HD 87822
From Wikipedia, the free encyclopedia
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| Observation data Epoch J2000 |
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|---|---|
| Constellation (pronunciation) |
Leo Minor |
| Right ascension | 10h 08m 15.8875s |
| Declination | +31° 36' 14.59"' |
| Apparent magnitude (V) | 6.236 |
| Characteristics | |
| Spectral type | F4V |
| U-B color index | 0.01 |
| B-V color index | 0.45 |
| Variable type | None |
| Astrometry | |
| Radial velocity (Rv) | -8 km/s |
| Proper motion (μ) | RA: -79.91 mas/yr Dec.: -91.81 mas/yr |
| Parallax (π) | 15.80 ± 0.82 mas |
| Distance | 210 ± 10 ly (63 ± 3 pc) |
| Absolute magnitude (MV) | 6.649 |
| Details | |
| Mass | ? M☉ |
| Radius | ? R☉ |
| Surface gravity (log g) | ? |
| Luminosity | ? L☉ |
| Temperature | ? K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Visual binary orbit | |
| Companion | HD 87822 B |
| Semimajor axis (a) | 0.1" |
| Visual binary orbit | |
| Companion | HD 87822 C |
| Semimajor axis (a) | 27.6" |
| Inclination (i) | 172° |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 87822 is triple star.
[edit] Reference
[edit] Components
| NAME | Right ascension | Declination | Apparent magnitude (V) | Spectral type | Database references |
|---|---|---|---|---|---|
| HD 87822 B (ADS 7651 Aa) | 10h 08m 15.8875 s | +31° 36' 14.59 | Simbad | ||
| HD 87822 C (BD+32 1982C) | 10h 08m 16.3 s | +31° 35' 51 | 13.7 | Simbad |

