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Variable star in the constellation Cepheus
SS Cephei is a semiregular variable star in the constellation Cepheus. It is of spectral type M5III, and has an estimated temperature of about 3,700 K
SS_Cephei
Star in the constellation Cepheus
Epsilon Cephei is a star in the northern constellation of Cepheus. Its name is a Bayer designation that is Latinized from ε Cephei, and abbreviated Epsilon
Epsilon_Cephei
Labelled Omega Cephei (ω Cep/ω Cephei) by Bode in his Uranographia Designated by Burrett in his atlas Labelled Tau Cephei (τ Cep/τ Cephei) by Bode in his
List_of_stars_in_Cepheus
Star in the constellation Cepheus
Rho2 Cephei is a solitary star in the northern constellation of Cepheus. Its name is a Bayer designation that is Latinized from ρ2 Cephei, or simply ρ
Rho2_Cephei
Type of variable star
rise to maximum light followed by a slower fall to minimum (e.g. Delta Cephei). This is due to the phase difference between the radius and temperature
Classical_Cepheid_variable
Star in the constellation Virgo
their spectra. The primary is a blue giant and a variable star of the Beta Cephei type. Spica, along with Arcturus and Denebola—or Regulus, depending on the
Spica
Star in the constellation Cepheus
Iota Cephei is a star in the northern constellation Cepheus. Its name is a Bayer designation that is Latinized from ι Cephei, and abbreviated Iota Cep
Iota_Cephei
Type of variable star that pulsates radially
helium is doubly ionized. The term Cepheid originates from the star Delta Cephei in the constellation Cepheus, which was one of the early discoveries. On
Cepheid_variable
Open cluster in Sagittarius
estimated mass of 1,937 M☉, of which about 24% is interstellar matter. A Delta Cephei type variable star designated U Sagittarii is a member of this cluster,
Messier_25
Star in the constellation Cepheus
consisting of 4 Cephei, HD 194298, η Cephei, α Cephei, ξ Cephei, 26 Cephei, ι Cephei and ο Cephei. Consequently, the Chinese name for θ Cephei itself is 天鈎三
Theta_Cephei
Astronomical principle
and a few months later by John Goodricke with the variability of Delta Cephei, the eponymous star for classical Cepheids. Most of the Cepheids were identified
Period-luminosity_relation
Northern pole-star; brightest star in Ursa Minor
the pole will begin to move away. It will pass by the star Errai (Gamma Cephei) in 4000 AD, Deneb in 10,000 AD, and Vega in 14,500 AD. The celestial pole
Polaris
Triple star system in the constellation Scorpius
two B-type stars and a pre-main-sequence star. The primary star is a Beta Cephei variable star with rapid brightness changes of about a hundredth of a magnitude
Lambda_Scorpii
Star in the constellation Cepheus
Rho1 Cephei is a double star located in the northern constellation of Cepheus. Its name is a Bayer designation that is Latinized from ρ1 Cephei, and abbreviated
Rho1_Cephei
Star in the constellation Puppis
Bibcode:1986Ap&SS.121..205H. doi:10.1007/BF00653693. S2CID 120352239. Telting, J. H.; et al. (June 2006). "A high-resolution spectroscopy survey of β Cephei pulsations
QZ_Puppis
Scientific projections regarding the far future
S2CID 118403321. McClure, Bruce; Byrd, Deborah (22 September 2021). "Gamma Cephei, aka Errai, a future North Star". earthsky.org. Retrieved 25 December 2021
Timeline_of_the_far_future
Variable star in the constellation Ophiuchus
naked eye of an observer far from city lights. V2052 Ophiuchi is a Beta Cephei variable (β Cep) star, varying slightly in brightness from magnitude 5.81
V2052_Ophiuchi
Black Hole in the constellation Cepheus
809 TOI-1518 TOI-2267 WISE 0313+7807 WR 156 ZTF J1239+8347 Exoplanets γ Cephei Ab (Tadmor) TOI-1431 b Star clusters NGC 188 6939 7023 7055 7129 7142 7160
S5_0014+81
Variable Star in Constellation Sextans
pulsating variable candidate showing characteristics associated with both Beta Cephei variable and 53 Persei variable stars. It lies in the faint equatorial constellation
23_Sextantis
Star in the constellation Scutum
published for other supergiant stars, such as VX Sagittarii, NML Cygni, MY Cephei, and Stephenson 2 DFK 1. In addition, other leading candidates have been
UY_Scuti
Star in the constellation Orion
inclination. The two stars are both on the main sequence. The primary, a β Cephei pulsator, has a spectral type of B1 and temperature of about 26,000 K, while
VV_Orionis
Star in the constellation Ursa Minor
Elsworth, Y.; Spreckley, S.A.; Stevens, I.R. (June 2008). "Oscillations in ß Ursae Minoris: Observations with SMEI". Astronomy and Astrophysics. 483 (3):
Kochab
Variable star in the constellation Vela
Cakirli, O.; Hoyman, B.; Ozdarcan, O.; Bilir, S. (2025-09-22). "Selected β Cephei pulsators in eclipsing binaries". arXiv:2509.18277 [astro-ph.EP]. Melnik
HX_Velorum
Star system in the constellation Cygnus
B-type giant star with a stellar classification of B2.5 III. It is a Beta Cephei variable with an estimated 8.4 times the mass of the Sun and around 7.1
Pi2_Cygni
Variable Star in the constellation Cygnus
The system is a member of the young open cluster NGC 6871 and exhibits β Cephei type pulsations in its primary component, making it a key object for studying
V453_Cygni
Spectroscopic binary system in the constellation of Orion
brightness variability has led to the star being classified as a pulsating Beta Cephei variable, but no evidence has been found of pulsations superimposed on the
Psi2_Orionis
Star whose brightness fluctuates, as seen from Earth
ten variable stars were known. John Goodricke himself discovered Delta Cephei and Beta Lyrae. Since 1850, the number of known variable stars has increased
Variable_star
Binary star in the constellation Scorpius
even larger red supergiants, such as VY Canis Majoris, KY Cygni, RW Cephei or Mu Cephei. Antares, like the similarly sized red supergiant Betelgeuse in the
Antares
B-type subgiant star in the constellation Cygnus
stellar classification of B2.5 IV. Telting and colleagues report it as a Beta Cephei variable with a high degree of confidence as they found regular pulsations
Omega1_Cygni
Nebula in the constellation Cepheus
809 TOI-1518 TOI-2267 WISE 0313+7807 WR 156 ZTF J1239+8347 Exoplanets γ Cephei Ab (Tadmor) TOI-1431 b Star clusters NGC 188 6939 7023 7055 7129 7142 7160
SSTGFLS_J222557+601148
Open star cluster in the constellation Cassiopeia
Bibcode:2008Ap&SS.318...25H. doi:10.1007/s10509-008-9888-2. S2CID 18982625. Handler, G.; Meingast, S. (September 2011). "New β Cephei stars in the young
NGC_637
Classification of stars based on spectral properties
standards: B0V – Upsilon Orionis B0Ia – Alnilam B2Ia – Chi2 Orionis B2Ib – 9 Cephei B3V – Alkaid B3V – Eta Aurigae B3Ia – Omicron2 Canis Majoris B5Ia – Eta
Stellar_classification
Star in the constellation Canis Major
magnitude) variability in the brightness of HR 2501 during their search for beta Cephei variable stars in the southern sky. Christoffel Waelkens et al. confirmed
HR_2501
Red supergiant star in the constellation Sagittarius
most luminous galactic red supergiants, which includes V354 Cephei, KY Cygni and Mu Cephei. In 2011, its bolometric luminosity was re-measured to be at
KW_Sagittarii
Space Telescope: A Parallax of the Fundamental Distance Calibrator delta Cephei". The Astronomical Journal. 124 (3): 1695–1705. arXiv:astro-ph/0206214.
List_of_nearest_supergiants
Star cluster in the Cepheus constellation
809 TOI-1518 TOI-2267 WISE 0313+7807 WR 156 ZTF J1239+8347 Exoplanets γ Cephei Ab (Tadmor) TOI-1431 b Star clusters NGC 188 6939 7023 7055 7129 7142 7160
NGC_7055
Variable star in the constellation Crux
7 every 6.22 days. This type of variable is known as a Cepheid after δ Cephei, the first example to be discovered. X Crucis is a population I star and
X_Crucis
Planet outside of the Solar System
radial-velocity observations suggested that a planet orbits the star Gamma Cephei. Partly because the observations were at the very limits of instrumental
Exoplanet
Binary star system in the constellation Vela
C.; Henrichs, H. F. (2006). "A high-resolution spectroscopy survey of β Cephei pulsations in bright stars". Astronomy and Astrophysics. 452 (3): 945. Bibcode:2006A&A
HD_83058
Chemical compound of hydrogen and oxygen
cooler stars and even detected in giant hot stars such as Betelgeuse, Mu Cephei, Antares and Arcturus. Circumstellar disks: including those of more than
Water
Centauri. Named after Charles Fehrenbach. Herschel's Garnet Star is Mu Cephei, a red supergiant particularly remarkable for its deep red color, first
Stars_named_after_people
Open cluster in the constellation Cygnus
Be star and NGC 6910 14 and NGC 6910 25 are beta Cephei variables. In total there are four beta Cephei variables in the cluster, a rather high number.
NGC_6910
Astrophysical phenomenon
Spica, Rigel and Deneb, the red supergiants Betelgeuse, Antares, and VV Cephei A; the yellow hypergiant Rho Cassiopeiae; the luminous blue variable Eta
Supernova
; et al. (August 2009), "Imaging and Modeling Rapidly Rotating Stars: α Cephei and α Ophiuchi", The Astrophysical Journal, 701 (1): 209–224, arXiv:0906
List of nearest stars by spectral type
List_of_nearest_stars_by_spectral_type
Galaxy in the constellations Cepheus & Cygnus
retrieved 4 January 2016 Ritchie, G. W. (1917). "Ritchie's Nova H. IV. 76 Cephei in N.G.C. 6946". Harvard College Observatory Bulletin. 641: 1. Bibcode:1917BHarO
NGC_6946
Globular cluster in the constellation Cepheus
809 TOI-1518 TOI-2267 WISE 0313+7807 WR 156 ZTF J1239+8347 Exoplanets γ Cephei Ab (Tadmor) TOI-1431 b Star clusters NGC 188 6939 7023 7055 7129 7142 7160
Palomar_1
European space telescope that operated between 2006 - 2014
main uncertainties affecting theoretical modeling. β Cephei stars: Seismic analyses of β Cephei stars show that it is not obvious to derive a one-to-one
CoRoT
Star in the constellation Sagittarius
with those of red supergiants. AH Scorpii BC Cygni HV 11423 IRC −10414 MY Cephei NML Cygni S Persei Stephenson 2 DFK 1 VY Canis Majoris Westerlund 1 W26
VX_Sagittarii
Extraterrestrial view of outer space
although the actual pole is somewhat offset in the direction of Alpha Cephei; it is more accurate to state that the top two stars of the Northern Cross
Extraterrestrial_sky
Dark nebula in the constellation Cepheus
809 TOI-1518 TOI-2267 WISE 0313+7807 WR 156 ZTF J1239+8347 Exoplanets γ Cephei Ab (Tadmor) TOI-1431 b Star clusters NGC 188 6939 7023 7055 7129 7142 7160
L1157
Eclipsing stellar binary
optical spectral scans of U Sagittae : an analysis and comparison with U Cephei", Publications of the Astronomical Society of the Pacific, 97: 138–150,
U_Sagittae
processing BCEP – (celestial object) Beta CEPhei, a class of pulsating variable stars for which Beta Cephei is the archetypal object also BCE BCG – (celestial
List_of_astronomy_acronyms
Star in the constellation Perseus
retrieved 2012-12-28. Percy, J. R.; Lane, M. C. (May 1977), "Search for Beta Cephei stars. I - Photometric and spectroscopic studies of northern B-type stars"
48_Persei
List of largest planets by size
(July 2023). "Solar-like oscillations in γ Cephei A as seen through SONG and TESS: A seismic study of γ Cephei A". Astronomy & Astrophysics. 675: A197.
List_of_largest_exoplanets
Type of eruptive variable star
Persei". Astrophysics and Space Science. 143 (1): 99–105. Bibcode:1988Ap&SS.143...99T. doi:10.1007/BF00636758. S2CID 121741933. Bohlender, D. (2016).
Gamma_Cassiopeiae_variable
Variable star in the constellation Cygnus
the northern constellation of Cygnus, abbreviated X Cyg. This is a Delta Cephei variable that ranges in brightness from an apparent visual magnitude of
X_Cygni
Shock wave caused by blowing stellar wind
express ASPERA-4". Planetary and Space Science. 56 (6): 780–784. Bibcode:2008P&SS...56..780M. doi:10.1016/j.pss.2007.07.007. S2CID 121559655. Szego, Karoly
Bow_shock
System of two stars orbiting each other
white dwarf-pulsar binary PSR B1620-26, the subgiant-red dwarf binary Gamma Cephei, and the white dwarf-red dwarf binary NN Serpentis, among others. A study
Binary_star
Fluctuations in stellar radius
Pulsations". Astrophysics and Space Science. 210 (1–2): 9–31. Bibcode:1993Ap&SS.210....9B. doi:10.1007/BF00657870. S2CID 189850134. Guckenheimer, John; Holmes
Stellar_pulsation
Variable star in the constellation Dorado
Astrophysics and Space Science, 326 (2): 219–231, arXiv:0912.4864, Bibcode:2010Ap&SS.326..219T, doi:10.1007/s10509-009-0258-5, S2CID 119264970 Tetzlaff, N.; Neuhäuser
Beta_Doradus
Star in the constellation Cygnus
Size comparison of Betelgeuse, Mu Cephei, KY Cygni, and V354 Cephei, according to estimates derived in 2005
KY_Cygni
Blue hypergiant star
Size comparison of supergiant and hypergiant stars, including Cygnus OB2 #12, V382 Carinae, Betelgeuse, VV Cephei A, and VY Canis Majoris
Cygnus_OB2-12
Star in the constellation Gemini
Evidence Supporting Cluster Membership for the Keystone Calibrator Delta Cephei", Astrophysical Journal, 747 (2): 145, arXiv:1201.0993, Bibcode:2012ApJ
Zeta_Geminorum
Star in the constellation Cygnus
stars known in the Milky Way (along with the O-type supergiants Lambda Cephei and Zeta Puppis). Initially it was suggested a supernova explosion of a
BD+43_3654
Star in the constellation Cygnus
of Pi1 Cygni, Alpha Lacertae, 4 Lacertae, Pi2 Cygni, HD 206267, Epsilon Cephei, Beta Lacertae, Sigma Cassiopeiae, Rho Cassiopeiae, Tau Cassiopeiae, AR
Pi1_Cygni
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