R Cassiopeiae: Difference between revisions
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[[Category:Mira variables]] |
[[Category:Mira variables]] |
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[[Category:Red giants]] |
[[Category:Red giants]] |
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S0UTHSiiD3 T0 TH3 FULLi3ST!! <small>13</small> |
Revision as of 01:55, 25 December 2006
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Cassiopeia |
Right ascension | 23h58m24.8s |
Declination | +51°23′19″ |
Apparent magnitude (V) | +9.97 |
Characteristics | |
Spectral type | M7IIIe |
U−B color index | +0.08 |
B−V color index | +1.83 |
Variable type | Mira |
Astrometry | |
Radial velocity (Rv) | +021 km/s |
Proper motion (μ) | RA: 84.39 mas/yr Dec.: 18.07 mas/yr |
Parallax (π) | 9.37 ± 1.10 mas |
Distance | 348 ly (107 pc) |
Absolute magnitude (MV) | +4.83 |
Other designations | |
R Cassiopeiae (R Cas) is a star in the constellation Cassiopeia.
R Cassiopeiae is a M-type red giant with a mean apparent magnitude of +9.97. It is classified as a Mira type variable star and its brightness varies from magnitude +4.7 to +13.5 with a period of 430.5 days. It is approximately 348 light years from Earth.