CS Camelopardalis (CS Cam; HD 21291) is a

binary star A binary star is a system of two stars that are gravitationally bound to and in orbit around each other. Binary stars in the night sky that are seen as a single object to the naked eye are often resolved using a telescope as separate stars, in wh ...

reflection nebula Reflection or reflexion may refer to: Science and technology * Reflection (physics), a common wave phenomenon ** Specular reflection, reflection from a smooth surface *** Mirror image, a reflection in a mirror or in water ** Signal reflection, in s ...

VdB 14, in the

constellation A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. The origins of the e ...

Camelopardalis Camelopardalis is a large but faint constellation of the northern sky representing a giraffe. The constellation was introduced in 1612 or 1613 by Petrus Plancius. Some older astronomy books give Camelopardalus or Camelopardus as alternative for ...

. It forms a group of stars known as the Camelopardalis R1 association, part of the

Cam OB1 association Camelopardalis OB1 (Cam OB1) is a group of young stars that share a common origin and a similar motion through space, but, as a whole, are no longer gravitationally bound. The name indicates this stellar association is located in the area of the ...

. The near-identical supergiant

CE Camelopardalis HD 21389 is a supergiant variable star in reflection nebula VdB 15, in the constellation Camelopardalis. It has the variable star designation CE Camelopardalis, abbreviated CE Cam. This object is part of the Camelopardalis OB1 as ...

is located half a degree to the south. CSCamLightCurve

The primary component, CS Camelopardalis A, is a blue-white B-type supergiant with a mean apparent magnitude of 4.21^m. It is classified as an Alpha Cygni type variable star and its brightness varies from magnitude 4.19^m to 4.23^m. Its companion, CS Camelopardalis B, is a magnitude 8.7^m star located 2.4

arcsecond A minute of arc, arcminute (arcmin), arc minute, or minute arc, denoted by the symbol , is a unit of angular measurement equal to of one degree. Since one degree is of a turn (or complete rotation), one minute of arc is of a turn. The na ...

s from the primary.

References

External links

Image CS Camelopardalis

Nebula vdB 14

{{DEFAULTSORT:CS Camelopardalis 021291 016228 Alpha Cygni variables Binary stars B-type supergiants Camelopardalis Camelopardalis, CS

1035 Year 1035 ( MXXXV) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Europe * c. July 3 – 8-year-old William I becomes duke of Normandy after his father Robert ...

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