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Unique identifier given to variable stars
In astronomy, a variable-star designation is a unique identifier given to variable stars. It extends the Bayer designation format, with an identifying
Variable-star_designation
Type of variable star
In astronomy, a semiregular variable star, a type of variable star, is a giant or supergiant of intermediate and late (cooler) spectral type. It shows
Semiregular_variable_star
Star naming system
A Bayer designation is a stellar designation in which a specific star is identified by a Greek or Latin letter followed by the genitive form of its parent
Bayer_designation
Recurrent nova in the constellation Corona Borealis
Cor Bor) is the star's variable star designation and is its most commonly used name. It also has the Bright Star Catalogue designation HR 5958 and the
T_Coronae_Borealis
Sextuple star system in Gemini
the WGSN; which included Castor for the star α Geminorum Aa. Castor C also has the variable-star designation YY Geminorum. The Castor AB pair resolved
Castor_(star)
Star in the constellation Centaurus
M. Corben et al. announced that the star is a variable star, in 1972. It was given its variable star designation, V821 Centauri, in 1981. Jeffery, C.
HD_124448
Binary star in the constellation Cetus
component stars are both flare stars with the variable star designations BL Ceti and UV Ceti. The star system was discovered in 1948 by Willem Jacob Luyten
Gliese_65
Variable star in the constellation Sagitta
variability of this star, in 1902. It appeared with its variable star designation in Annie Jump Cannon's 1907 work Second catalogue of variable stars. There
V_Sagittae
Star in the constellation Aries
is a variable star in the northern constellation of Aries. 53 Arietis is the Flamsteed designation; it also bears the variable star designation UW Arietis
53_Arietis
Variable star in the constellation Cepheus
be a variable star in 1972 by N. Kameswara Rao, using the Lick Observatory's 24 inch telescope. The star was given the variable star designation LZ Cephei
LZ_Cephei
Star in the constellation Auriga
Although the star was first found to be variable by Joel Stebbins and Charles Morse Huffer in 1928, it was not given its variable star designation until 1977
PU_Aurigae
Red dwarf star in the constellation Ophiuchus
showing that Barnard's Star is a flare star. Barnard's Star has the variable star designation V2500 Ophiuchi. In 2003, Barnard's Star presented the first
Barnard's_Star
Variable star in the constellation Orion
V901 Orionis is a variable star in the equatorial constellation of Orion. It is sometimes known as Landstreet's Star and has the designation HD 37776 from
V901_Orionis
Quadruple star system in the constellation Triangulum
pair is variable. It was discovered to be a variable star in 1980, by Douglas S. Hall et al. It has been given the variable star designation TZ Trianguli
Iota_Trianguli
Binary star in the Pleiades star cluster
Pleione is a binary star system in the Pleiades star cluster, within the constellation of Taurus. It has the variable star designation BU Tauri (BU Tau)
Pleione_(star)
Star in the constellation of Sagittarius
is a single, variable star in the constellation of Sagittarius. It has the Bayer designation c Sagittarii and the variable star designation V3872 Sagittarii
62_Sagittarii
Star in the constellation Aquarius
occultations. The star's variability was first detected in the Hipparcos satellite data, and it was given its variable star designation in 1999.
LP_Aquarii
Star in the constellation Taurus
Scuti variable, and has been given the variable star designation V480 Tauri. 97 Tauri forms an optical double with the faint G-type main-sequence star HD
97_Tauri
Star in the constellation Centaurus
James Cousins announced that the star, then called g Centauri, is a variable star. It was given its variable star designation, V806 Centauri, in 1978. It is
2_Centauri
Star in the constellation Scutum
suggesting that it was a new variable star. In accordance with the international standard for designation of variable stars, it was called UY Scuti,
UY_Scuti
Star in the constellation Sagitta
high-velocity Wolf–Rayet star. In 1982, Anthony Moffat et al. discovered that WR 124 is a variable star. It was given its variable star designation, QR Sagittae,
WR_124
B-type subgiant star in the constellation Taurus
0.01 magnitudes during each pulsation cycle. It is given the variable star designation of V971 Tauri. The period of variability is stable at 0.49 days
Merope_(star)
Star whose brightness fluctuates, as seen from Earth
A variable star is a star whose brightness as seen from Earth (its apparent magnitude) changes systematically with time. This variation may be caused
Variable_star
Binary pulsar system in the constellation Scorpius
Charles Pickering announced the discovery of this variable star. It was given its variable star designation, AR Scorpii, in 1914. AR Scorpii is the first
AR_Scorpii
Quintuple star system in the constellation Ursa Major
secondary minimum of 9.58 every 1.31 days. It has been given the variable star designation V441 Ursae Majoris. J093010B is a contact (W UMa-type) eclipsing
1SWASP_J093010.78+533859.5
Star in the constellation Aquila
solitary variable star in the equatorial constellation of Aquila. It has the variable star designation V1288 Aql; 21 Aquilae is its Flamsteed designation. This
21_Aquilae
Star in the constellation of Cygnus
listed as a Wolf–Rayet variable star whose visual brightness varies very slightly, and it has been given the variable star designation V1687 Cyg in the General
WR_140
Star in the constellation Coma Berenices
21 Comae Berenices is a variable star in the northern constellation of Coma Berenices. It has the variable star designation UU Comae Berenices, while
21_Comae_Berenices
Transitional stellar stage before becoming a white dwarf
The first known star of this type is also PG 1159-035, which was found to be variable in 1979, and was given the variable star designation GW Virginis in
PG_1159_star
Star in the constellation Ursa Minor
Pickering announced that the star, at that time unnamed, is a variable star. It was listed with its variable star designation, R Ursae Minoris, in Annie
R_Ursae_Minoris
Luminous variable star in the constellation Carina
this star, then called CPD−59°2860, is a variable star, based on photographic plates taken in 1911 and 1914. It was given its variable star designation, AG
AG_Carinae
Variable star in the constellation Orion
The name FU Orionis is a variable star designation in the Argelander system, which are assigned sequentially as new variables are discovered. FU Orionis
FU_Orionis
Binary star in the constellation Cancer
28 Cancri is a star system in the zodiac constellation of Cancer. It is a variable star with the designation CX Cancri, and is close to the lower limit
28_Cancri
Variable star in constellation Vela
77475) is a bluish-white hued variable star in the southern constellation of Vela. It has the variable-star designation IZ Velorum (abbreviated to IZ
HR_3600
Red supergiant star in the constellation Cassiopeia
Hipparcos satellite data showed that the star is variable, and because of that it was given the variable-star designation V762 Cassiopeiae, in 1999. The variability
V762_Cassiopeiae
Star in the constellation Capricornus
It has the variable star designation of AG Capricorni and a Bayer designation of c2 Capricorni; 47 Capricorni is the Flamsteed designation. This object
47_Capricorni
Index of articles associated with the same name
The designations W Centauri and w Centauri refer to two different stars in the constellation Centaurus. W Centauri, the variable star designation for
W_Centauri
Star in the constellation Perseus
Leavitt discovered that the star's brightness varies by examining photographic plates. It was given its variable star designation, SU Persei in 1908. List
SU_Persei
Star
in the southern constellation Lupus, the wolf. IL Lupi is its variable star designation. It has an apparent magnitude that fluctuates between 14.6 and
4U_1543−475
Star in the constellation Aries
is a variable star in the northern constellation of Aries. 26 Arietis is the Flamsteed designation; it also bears the variable star designation UU Arietis
26_Arietis
Star in the constellation Vulpecula
1988. A few days later a star, variable in visible light, was identified at its position. It received its variable star designation, QZ Vulpeculae, in 1989
GS_2000+25
Star in the constellation Aquarius
HD 213637 is a solitary variable star in the zodiac constellation of Aquarius. It has the variable star designation MM Aquarii. With an apparent visual
HD_213637
Variable star in the constellation Canis Major
a variable star located about 707 light years away from the Sun in the southern constellation of Canis Major. It has the variable star designation HK Canis
12_Canis_Majoris
Variable star in the constellation Canis Major
variable star in the southern constellation of Canis Major, located roughly 1,200 light years away from the Sun. It has the variable star designation
15_Canis_Majoris
Star in the constellation Virgo
Virginis is a variable star in the zodiac constellation of Virgo, located 175 light-years from the Sun. It has the variable star designation CW Virginis
78_Virginis
Star in the constellation Ara
The Hipparcos data revealed that HD 158220 is a variable star. It was given its variable star designation, V862 Arae, in 1999. "MAST: Barbara A. Mikulski
HD_158220
Young sun-like star in the constellation Centaurus
As such designations can be unwieldy, researchers simply call the star "J1407". The star was given the official variable star designation V1400 Centauri
V1400_Centauri
Star in the constellation Lyra
Lyrae, also known by its Flamsteed designation 13 Lyrae and named Niandao, is a 4th magnitude semiregular variable star in the constellation Lyra, approximately
R_Lyrae
Variable star
starspots. It was given its variable star designation in the year 2000. Periodic radial velocity variations in the young star V1094 Scorpii had at first
V1094_Scorpii
Star in the constellation Corona Australis
in the southern constellation of Corona Australis. It has the variable star designation V694 Coronae Australis (sometimes abbreviated to V694 CrA). With
HD_166473
Triple star system in the constellation Eridanus
for multiple star systems, and adopted by the International Astronomical Union (IAU). 40 Eridani C also bears the variable star designation DY Eridani.
40_Eridani
Star in the constellation Ara
photometer at the Royal Observatory in South Africa. It was given its variable star designation, V626 Arae, in 1973. With a stellar classification of M3 III,
HD_160342
Variable star in the constellation Lacerta
revealed that EW Lacertae was a variable star, and it was given its variable star designation in the General Catalogue of Variable Stars. The complex variations
EW_Lacertae
Variable star in the constellation Centaurus
variability and peculiar spectrum of this star, then known as DM −44° 8539. It was given its variable star designation, UY Centauri, in 1912. In 1952, S. Gaposchkin
UY_Centauri
Triple-star system in the constellation Coma Berenices
announced that the star is a variable star, in 1999. It was given its variable star designation in 2003. This is a variable star most likely of the RS
37_Comae_Berenices
Star in the constellation Cancer
α2 CVn-type variable star in the zodiac constellation of Cancer, located around 700 light years away. It has the variable star designation BM Cancri (BM
15_Cancri
Red giant star in the constellation Cancer
Latinised from μ1 Cancri, is a variable star in the zodiac constellation of Cancer. Its name is a Bayer designation that is Latinized from μ1 Cancri
Mu1_Cancri
Hypergiant star in Sagittarius
luminosity making it a candidate luminous blue variable about 1.6 million L☉ (one third as luminous as the binary star system Eta Carinae), hence a radius of
Pistol_Star
of a Constellation from a Position". Retrieved 2006-12-26. "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014.
List_of_stars_in_Ursa_Minor
Active galaxy in the constellation Lacerta
thought to be an irregular variable star in the Milky Way galaxy and so was given a variable star designation. In 1968, the "star" was identified by John
BL_Lacertae
White dwarf in Pisces
constellation Pisces. A variable star, it bears the variable-star designation ZZ Piscium, and makes part of the DAV (or ZZ Ceti) variable type. Such stars display
G_29-38
Star in the constellation Hercules
solitary variable star located around 560 light years away from the Sun in the northern constellation of Hercules. It has the variable star designation V669
104_Herculis
Variable star in the constellation Cepheus
type of M4III. Aernout de Sitter discovered the star in 1933. It was given its variable star designation, AR Cephei, in 1939. AR Cephei is located approximately
AR_Cephei
Star in the constellation Camelopardalis
determined by parallax. It has the variable star designation BV Camelopardalis; 11 Camelopardalis is the Flamsteed designation. This object is visible to the
11_Camelopardalis
Herbig Ae/Be star in the constellation Chamaleon
Orion variable. It was given the variable star designation CU Chamaeleontis in 1981. Its spectrum is also variable. The spectral class is usually given
HD_97048
(GCVS database, version 2012Feb)". Retrieved 8 April 2012. "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014.
List_of_stars_in_Capricornus
Star in the constellation Ara
variable star. It was given its variable star designation, V854 Arae, in 1999. It's an irregular variable that changes brightness over an amplitude range
HD_155035
Star in the constellation of Boötes
visual magnitude of the star is diminished by an extinction of 0.49±0.02 due to interstellar dust. It has the variable star designation W Boötis; 34 Boötis
34_Boötis
Variable star in the constellation Ara
referred to the star as "(5949) Arae", its designation as an unconfirmed variable star in Seth Carlo Chandler's catalog of variable stars. It was listed
R_Arae
Star in the constellation Pictor
low-resolution spectrum revealed this is a cataclysmic variable, and it was assigned the variable star designation TW Pictoris. It was initially proposed to be
TW_Pictoris
Small number of stars that orbit each other
ways are given different designations (for example, discoverer designations for visual binary stars and variable star designations for eclipsing binary stars)
Star_system
Star in the constellation Lepus
naked eye as a faint star. The variable star designation for this system is SS Leporis, while 17 Leporis is the Flamsteed designation. Parallax measurements
17_Leporis
Binary star system in the constellation Cetus
Mira, pronounced /ˈmaɪrə/, is a binary star system in the constellation Cetus. It has the Bayer designation Omicron Ceti, which is Latinized from ο Ceti
Mira
Variable star in the constellation Apus
included the star, with its variable star designation S Apodis, in her 1907 Second Catalogue of Variable Stars. However, its nature as a carbon star was not
S_Apodis
Variable star in the constellation Canis Major
Plata Observatory. The star was given the variable star designation FY Canis Majoris in 1973. During an outburst in 2009, the star brightened to magnitude
FY_Canis_Majoris
Variable star in the constellation Ara
10361, is a variable. It was listed with its modern variable star designation, S Arae, in Annie Jump Cannon's 1907 Second Catalogue of Variable Stars. It
S_Arae
Star in the constellation Camelopardalis
measurements. It has the variable star designation BC Camelopardalis; 49 Camelopardalis is the Flamsteed designation. This star is a challenge to view with
49_Camelopardalis
Star in the constellation Aquarius
Aqr) is a variable star in the equatorial constellation of Aquarius. 3 Aquarii is the Flamsteed designation; it also bears the Bayer designation k Aquarii
3_Aquarii
Star in the constellation Canis Major
MWC 137 is a supergiant star in the equatorial constellation of Orion. It has the variable star designation V1308 Ori; MWC 137 is from the Mount Wilson
MWC_137
Variable star in the constellation Carina
also known by its Bayer designation of z2 Carinae and the variable star designation of V371 Carinae, is a blue supergiant star in the constellation Carina
HD_96919
White dwarf whose luminosity is variable
in 1972, it was given the variable star designation ZZ Ceti. The name ZZ Ceti also refers to this class of pulsating variable white dwarfs, which, as it
Pulsating_white_dwarf
2012Feb)". Retrieved 3 April 2012. "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014. "Naming Stars". Retrieved 13 December
List_of_stars_in_Aries
Star in the constellation Cancer
paper that showed that 49 Cancri was probably a variable star. It was given its variable star designation, BI Cancri, in 1962. Its brightness changes from
49_Cancri
Star system in the constellation Boötes
optical spectrum displays only lines of helium. It was given its variable star designation, CR Boötis, in 1987, in literature up until that time it was called
CR_Boötis
Archived from the original on 2012-02-27. Retrieved 2010-07-16. "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014.
List_of_stars_in_Pictor
Single, variable star in the constellation Aries
single variable star in the northern constellation of Aries. 15 Arietis is the Flamsteed designation; it also bears the variable star designation AV Arietis
15_Arietis
Star in the constellation Andromeda
single, variable star in the northern constellation of Andromeda. 15 Andromedae is the Flamsteed designation, while its variable star designation is V340
15_Andromedae
Nova that occurred in 2025
Retrieved 19 June 2025. "VSX: Detail for V0462 Lup". International Variable Star Index. AAVSO. Retrieved 20 June 2025. Pearce, A.; Stanek, K. Z.; McNaught
V462_Lupi
White dwarf in the constellation Vulpecula
G 185-32, also known by the variable star designation PY Vulpeculae, is a white dwarf in the constellation Vulpecula. Located approximately 18.3 parsecs
G_185-32
Star in the constellation Hydra
the PV Telescopii variables. In 2000, this star was given the variable star designation V361 Hydrae and in 2008 a new class of variable stars was formally
V361_Hydrae
Variable star in the constellation Taurus
variable star, in 1967. He reported that the amplitude varied by 0.02 magnitudes with a period of 1.5 hours. In 1972, it was given the variable star designation
57_Tauri
Star in the constellation Aquila
A Aquilae, and the variable star designation V1208 Aquilae. It has an apparent visual magnitude is 5.5, making this a faint star that requires dark suburban
28_Aquilae
Binary star in the constellation Scorpius
Charles Pickering announced the discovery of this variable star. It was given its variable star designation, AK Scorpii, in 1912. AK Scorpii is about 18 million
AK_Scorpii
Binary star in the constellation Scorpius
of Variable Stars, but as a Bayer-designated star it does not have a separate variable star designation. Its traditional name Antares derives from the
Antares
Variable star in the constellation Eridanus
determined its period to be 1.374±0.006 days. In 1978 the star was given the variable star designation DZ Eridani. Ermanno Borra et al. reported in 1983 the
HD_28843
Binary star in the constellation Camelopardalis
Camelopardalis, close to the border with Perseus. It has the variable-star designation DD Camelopardalis (sometimes abbreviated to DD Cam). With a mean
HD_24733
Star in the constellation Canis Major
range of 9.5 to 11.5. It was given the variable star designation VY Canis Majoris in 1939, the 43rd variable star of the constellation Canis Major. Combining
VY_Canis_Majoris
Variable star in the constellation Microscopium
discovered that the star is a variable star, based on photographs taken from 1888 through 1895. It was listed with its variable star designation, T Microscopii
T_Microscopii
Star in the constellation Auriga
is a single variable star located about 1030 light years away from the Sun in the constellation Auriga. It has the variable star designation V444 Aurigae
36_Aurigae
Star in the constellation Aquarius
red giant star. 14 Aquarii is the Flamsteed designation; it also bears the variable star designation IW Aquarii. It is a semiregular variable with an amplitude
14_Aquarii
VARIABLE STAR-DESIGNATION
VARIABLE STAR-DESIGNATION
Male
French
French and Spanish form of Roman Latin Cæsar, CÉSAR means "severed."
Girl/Female
English Latin
Star.
Girl/Female
British, English
Star
Girl/Female
American, Australian, British, Christian, English, Greek, Jamaican, Latin
Star; Esther; Stella; Inspiring
Male
Russian
(СтаÑ) Russian pet form of Slavic Stanislav, STAS means "glorious government."
Surname or Lastname
English
English : nickname from Middle English sterre, starre ‘star’. The word was also used in a transferred sense of a patch of white hair on the forehead of a horse, and so perhaps the name denoted someone with a streak of white hair. It is possibly also a habitational name, for someone who lived at a house distinguished by the sign of a star.Jewish (Ashkenazic) : variant of Star 1 and 3.
Girl/Female
British, English, Jamaican
Star
Boy/Male
Arabic, Pakistani, Russian
Truthful
Surname or Lastname
English
English : habitational name from any of the various minor places, for example Start Point in Devon, named from Old English steort ‘tail’, in the transferred sense of a promontory or spur of a hill.
Surname or Lastname
English
English : from the feminine personal name Mirabel, equated in medieval records with Latin mirabilis ‘marvellous’, ‘wonderful’ (in the sense ‘extraordinary’).
Boy/Male
Gujarati, Indian, Kannada
Holy Star
Male
Spanish
Spanish form of Old High German Ansgar, ÓSCAR means "god-spear."
Boy/Male
Anglo, Australian, British, English
Star
Female
Babylonian
, star.
Male
English
Short form of English Stanley, STAN means "stone clearing," and other names containing Old English stan, meaning "stone."
Girl/Female
English American
Star.
Female
English
Variant spelling of English Star, STARR means "star."
Boy/Male
Anglo, British, English
Variable
Male
Icelandic
Icelandic form of Old Norse Ãsgeirr, ÓSKAR means "god-spear."
Girl/Female
American, Australian, British, Christian, English, Greek, Latin
Star; Esther; Stella; Inspiring
VARIABLE STAR-DESIGNATION
VARIABLE STAR-DESIGNATION
Girl/Female
Hindu
Goddess Lakshmi, Foremost, Best, First, Night
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Mythological, Oriya, Punjabi, Sikh, Tamil, Traditional
Krishna's Brother
Girl/Female
Australian, Japanese
Child of Mari
Girl/Female
Bengali, Hindu, Indian
Dusk Lamp Beneath Tulsi Plant; Basil
Girl/Female
Indian, Tamil
Beautiful
Girl/Female
Muslim
Aspirations
Girl/Female
Arabic, Gujarati, Hindu, Indian, Kannada, Muslim
Star
Boy/Male
Hindu, Indian
The King of Gold
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Sindhi, Telugu, Traditional
Full of Love
Girl/Female
Muslim/Islamic
Fairy flower
VARIABLE STAR-DESIGNATION
VARIABLE STAR-DESIGNATION
VARIABLE STAR-DESIGNATION
VARIABLE STAR-DESIGNATION
VARIABLE STAR-DESIGNATION
n.
That which is variable; that which varies, or is subject to change.
n.
The polestar; the north star.
n.
That which resembles the figure of a star, as an ornament worn on the breast to indicate rank or honor.
a.
Worthy; estimable; deserving esteem; as, a valuable friend; a valuable companion.
a.
Arable; tillable.
a.
Having the capacity of varying or changing; capable of alternation in any manner; changeable; as, variable winds or seasons; a variable quantity.
adv.
In a variable manner.
a.
Having value or worth; possessing qualities which are useful and esteemed; precious; costly; as, a valuable horse; valuable land; a valuable cargo.
n.
The morning star; the star which ushers in the day.
n.
A quantity which may increase or decrease; a quantity which admits of an infinite number of values in the same expression; a variable quantity; as, in the equation x2 - y2 = R2, x and y are variables.
a.
Invariable.
n.
Doctrine or knowledge of the stars; star lore; astrology; astronomy.
n.
An invariable quantity; a constant.
a.
Liable to vary; too susceptible of change; mutable; fickle; unsteady; inconstant; as, the affections of men are variable; passions are variable.
n.
A remarkable variable star in the constellation Cetus (/ Ceti).
v. i.
To be bright, or attract attention, as a star; to shine like a star; to be brilliant or prominent; to play a part as a theatrical star.
v. t.
To represent by parable.
a.
Friendly; kindly; sweet; gracious; as, an amiable temper or mood; amiable ideas.