Blog page 167

16 Cephei

16 Cephei is a single star located about 119 light years away from the Sun in the constellation of Cepheus. It is visible to the naked eye as a faint, yellow-white hued star with an apparent visual magnitude of 5.036. The star has a relatively hi ...

19 Cephei

19 Cephei is a supergiant star in the northern circumpolar constellation of Cepheus. It has a spectral class of O9 and is a member of Cep OB2, an OB association of massive stars located about 615 parsecs from the Sun. The spectrum of 19 Cephei sh ...

24 Cephei

24 Cephei is a single, yellow-hued star in the northern circumpolar constellation of Cepheus. With an apparent visual magnitude of 4.79, it is faintly visible to the naked eye. The distance to this star, based upon an annual parallax shift of 8.3 ...

Beta Cephei

Beta Cephei is a triple star system of the third magnitude in the constellation of Cepheus. Based on parallax measurements obtained during the Hipparcos mission, it is approximately 690 light-years distant from the Sun. It is the prototype of the ...

Cepheus OB1

Cepheus OB1 is an OB association around the cluster NGC 7380. The region is approximately 1.600 parsecs from Earth in the constellation of Cepheus. Cepheus OB1 contains dozens of O and B class stars, but the brightest members are cool supergiants ...

Delta Cephei

Delta Cephei is the Bayer designation for a quadruple star system located approximately 887 light-years away in the northern circumpolar constellation of Cepheus, the King. At this distance, the visual magnitude of the star is diminished by 0.23 ...

Elephants Trunk Nebula

The Elephants Trunk Nebula is a concentration of interstellar gas and dust within the much larger ionized gas region IC 1396 located in the constellation Cepheus about 2.400 light years away from Earth. The piece of the nebula shown here is the d ...

Epsilon Cephei

Epsilon Cephei, Latinized from ε Cephei, is a star in the northern constellation of Cepheus. Based upon an annual parallax shift of 38.17 mas as seen from the Earth, it is located about 85 light years from the Sun. The star is visible to the nake ...

Eta Cephei

Eta Cephei is a star in the northern circumpolar constellation of Cepheus. It shares the name Al Kidr with θ Cep, although the meaning of this name is unknown. With an apparent visual magnitude of 3.4, this is a third magnitude star that, accordi ...

Ghost Nebula

The Ghost Nebula is a reflection nebula located in the constellation Cepheus. It lies near the cluster NGC 7023. Looking at the adjacent image, the nebulas name is easily understood. The Ghost nebula is referred to as a globule cataloged CB230 an ...

Gliese 809

Gliese 809 is a red dwarf star in the constellation Cepheus, forming the primary component of a multi-star system. A visual magnitude of 8.55 makes it too faint to see with the naked eye. It is part of the Gliese Catalogue of Nearby Stars and is ...

HD 12467

HD 12467 is a single star in the northern circumpolar constellation of Cepheus. It has a white hue and is barely visible to the naked eye with an apparent visual magnitude of 6.05. The distance to this object is 231 light years based on parallax, ...

HD 204521

HD 204521 is a star in the northern constellation of Cepheus. In the sky it positioned just to the west of the magnitude 3.2 star Beta Cephei. This object has a yellow hue similar to the Sun but is too faint to be visible to the naked eye with an ...

HD 206267

HD 206267A is a hierarchical triple star system in the northern circumpolar constellation of Cepheus. Two of the members form a spectroscopic binary that orbit each other with a period of 3.7 days, while a third member lies further away - it is u ...

HD 217382

HD 217382 is a suspected binary star system in the northern circumpolar constellation of Cepheus. It is faintly visible to the naked eye with an apparent visual magnitude of 4.70. The distance to HD 217382 is around 319 light years, as determined ...

HD 221525

HD 221525 is a single star near the north celestial pole in the constellation Cepheus. At an apparent magnitude of 5.56, it can be seen with the naked eye under dark skies. It is about 30 times fainter than the nearby prominent star Polaris. Base ...

HR 7955

HR 7955 is a binary star system in the northern circumpolar constellation of Cepheus, near the constellation border with Cygnus. It has a yellow-white hue and is faintly visible to the naked eye with a combined apparent visual magnitude of 4.51. ...

HR 8442

HR 8442 is a spectroscopic binary star in the constellation Cepheus. The primary is a G type giant star while the secondarys spectral type is unknown. The spectroscopic binary nature of the star was first noticed by Jose Renan de Medeiros and Mic ...

HR 9038

HR 9038 is a triple star system located thirty-five light-years away, in the constellation Cepheus. Component A is a spectroscopic binary system with an orbital period of 7.753 days and a combined stellar classification of K3 V. Component B is a ...

Kappa Cephei

Kappa Cephei, Latinized from κ Cephei, is a binary star system in the northern circumpolar constellation of Cepheus. It is visible to the naked eye as a faint, blue white-hued point of light with an apparent visual magnitude is 4.39. The system i ...

L1157

L 1157 is a dark nebula in the constellation Cepheus. It was catalogued in 1962 by U.S. astronomer Beverly T. Lynds in her Catalogue of Dark Nebulae, becoming the 1157th entry in the table; hence the designation. The cloud contains an estimated 3 ...

Lambda Cephei

Lambda Cephei is a fifth magnitude blue supergiant star in the constellation Cepheus, one of the hottest and most luminous visible to the naked eye.

Mu Cephei

Mu Cephei, also known as Herschels Garnet Star, is a red supergiant or hypergiant star in the constellation Cepheus. It appears garnet red and is located at the edge of the IC 1396 nebula. Since 1943, the spectrum of this star has served as the M ...

NGC 7129

NGC 7129 is a reflection nebula located 3.300 light years away in the constellation Cepheus. A young open cluster is responsible for illuminating the surrounding nebula. A recent survey indicates the cluster contains more than 130 stars less than ...

NGC 7142

NGC 7142 is an open cluster about 6.200 light-years away in the constellation Cepheus. Due to the observational difficulties NGC 7142 presents, it has been an infrequent topic of research. Current known studies include only work being done at the ...

NGC 7419

NGC 7419 is an open cluster in the constellation Cepheus. It is heavily reddened and notable for containing five red supergiants, the highest number known in any cluster until the end of the 20th century, but probably no blue supergiants.

NGC 7510

NGC 7510 is an open cluster of stars located around 11.400 light years away in the constellation Cepheus, near the border with Cassiopeia. At this distance, the light from the cluster has undergone extinction from interstellar gas and dust equal ...

NGC 7538

NGC 7538, near the more famous Bubble Nebula, is located in the constellation Cepheus. It is located about 9.100 light-years from Earth. It is home to the biggest yet discovered protostar which is about 300 times the size of the Solar System. It ...

Nu Cephei

Nu Cephei is a class A2, fourth-magnitude supergiant star in the constellation Cepheus. It is a white pulsating α Cygni variable star located about 4.700 light-years from Earth. ν Cephei is a member of the Cepheus OB2 stellar association, which i ...

Omicron Cephei

Omicron Cephei, Latinized from ο Cephei, is a binary star in the constellation of Cepheus. It consists of a less massive F-type main sequence star in orbit with a more massive G-type giant star. The overall apparent visual magnitude of the system ...

Pi Cephei

Pi Cephei is a trinary star located in the constellation Cepheus. With a combined apparent magnitude of about 4.4, the system is faintly visible to the naked eye. The inner pair of stars orbits in 1.5 years while the outer companion completes one ...

PV Cephei

PV Cephei is variable star of Orion type located in the constellation of Cepheus at a distance of over 1600 light-years from Earth. Although the terms Orion variable/Orion type are now no longer used by most astronomers. The term Young Stellar Ob ...

Rho1 Cephei

Rho 1 Cephei is a double star located in the northern constellation of Cepheus. As of 2014, the pair had an angular separation of 0.29 arc seconds along a position angle of 211.1°. This corresponds to a projected separation of 18.1 AU. Rho 1 Ceph ...

Rho2 Cephei

Rho 2 Cephei, Latinized from ρ 2 Cephei, or simply ρ Cephei, is a solitary star in the northern constellation of Cepheus. With an apparent visual magnitude of 5.50, it is faintly visible to the naked eye, forming an optical pair with Rho 1 Cephei ...

RW Cephei

RW Cephei is an orange hypergiant star in the constellation Cepheus, at the edge of the Sharpless 132 HII region and close to the small open cluster Berkeley 94. One of the largest stars known, RW Cephei is between 981 and 1.758 solar radii, whic ...

T Cephei

T Cephei is a Mira variable star in the constellation Cepheus. Located approximately 570 ± 40 light-years distant, it varies between magnitudes 5.2 and 11.3 over a period of around 388 days.

Theta Cephei

Theta Cephei, Latinized from θ Cephei, is a stellar class A7, fourth-magnitude star in the constellation Cepheus. It is a white-hued, single-lined spectroscopic binary system, located about 206 light-years from Earth. The pair have an orbital per ...

V Cephei

V Cephei is a white main sequence star in the constellation Cepheus. It only varies slightly by 0.03 of a magnitude. It was suspected of being variable by American astronomer Seth Carlo Chandler noting in 1890 that it varied by 0.7 magnitude but ...

V354 Cephei

V354 Cephei is a red supergiant star located within the Milky Way. It is an irregular variable located approximately 9.000 light-years away from the Sun, and is currently considered one of the largest known stars and one of most luminous of its t ...

V381 Cephei

V381 Cephei is a triple star system in the northern constellation of Cepheus. Its apparent magnitude is slightly variable between 5.5 and 5.7.

V419 Cephei

Given its distance, V419 Cepheis Hipparcos -measured parallax of 0.63 ± 0.29 milliarcseconds is not constrained to evaluate its distance. Its most likely distance is 1085 ± 320 parsecs, equal to 3.540 ± 1.035 light years. It is a member of the st ...

VV Cephei

VV Cephei, also known as HD 208816, is an eclipsing binary star system located in the constellation Cepheus, approximately 5.000 light years from Earth. It is both a B star and shell star. VV Cephei is an eclipsing binary with the second longest ...

VW Cephei

VW Cephei is an eclipsing contact binary of W Ursae Majoris-type located roughly at 90.6 light years from the Sun, whose two component stars share a common outer layer. Because the two components share their outer layers, as the components of W U ...

W Cephei

W Cephei is a spectroscopic binary and variable star located in the constellation Cepheus. It is thought to be a member of the Cep OB1 stellar association at about 8.000 light years.

WR 156

WR 156 is a young massive and luminous Wolf–Rayet star in the constellation of Cepheus. Although it shows a WR spectrum, it is thought to be a young star still fusing hydrogen in its core.

WZ Cephei

WZ Cephei is an eclipsing binary star of W Ursae Majoris-type in the constellation of Cepheus, located 880 light years away from the Sun. The stars orbit around a common orbital barycenter every 0.41744 days. Timing analyses have revealed the pos ...

Xi Cephei

Xi Cephei is a multiple star system in the constellation of Cepheus. It is approximately 86 light-years from Earth. It consists of two binary stars, designated Xi Cephei A and B, together with a more distant companion, Xi Cephei C. As two compone ...

Zeta Cephei

Zeta Cephei is a star in the constellation of Cepheus. Zeta Cephei marks the left shoulder of Cepheus, the King of Joppa. It is one of the fundamental stars of the MK spectral sequence, defined as type K1.5 Ib. Zeta Cephei is an orange supergiant ...

1 Ceti

1 Ceti is a star in the constellation of Cetus. With an apparent magnitude of about 6.2, the star is barely visible to the naked eye. Parallax estimates put it at a distance of about 535 light-years away from the Earth. It is moving further from ...

2 Ceti

2 Ceti is a single star in the equatorial constellation of Cetus, near the border with Aquarius. It is visible to the naked eye with an apparent visual magnitude of 4.483. The distance to 2 Ceti can be estimated from its annual parallax shift of ...