9 Equulei
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Equuleus |
Right ascension | 21h 21m 04.54s |
Declination | 07° 21′ 16.4″ |
Apparent magnitude (V) | 5.81 |
Characteristics | |
Spectral type | M2IIIa[1] |
B−V color index | 1.66 |
Astrometry | |
Radial velocity (Rv) | -22.35 ± 0.25[1] km/s |
Proper motion (μ) | RA: 42.79 ± 0.47[1] mas/yr Dec.: -17.12 ± 0.22[1] mas/yr |
Parallax (π) | 4.98 ± 0.41[1] mas |
Distance | 1058[2] ly (324.3 pc) |
Absolute magnitude (MV) | −1.75 |
Details | |
Mass | 1.2 M☉ |
Radius | approx 110 R☉ |
Luminosity | 1300 L☉ |
Temperature | 3300 K |
Other designations | |
9 Equulei is a M-type star in the constellation Equuleus. This star moves through the Milky Way at a speed relative to the Sun.
References
- 1 2 3 4 5 "9 Equulei, a red giant star in Equuleus", Ashland Astronomy Studio, retrieved 2012-08-19
- ↑ "HIP 105413", WolframAlpha, retrieved 2012-08-19
|
This article is issued from Wikipedia - version of the Monday, April 18, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.