29 Aquarii
From Wikipedia, the free encyclopedia
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 02m 26.419s |
| Declination | -16° 57′ 52.39″ |
| Apparent magnitude (V) | 6.37 |
| Characteristics | |
| Spectral type | A0V/A1V |
| B-V color index | 0.42 |
| Variable type | Variable star |
| Astrometry | |
| Radial velocity (Rv) | 15 km/s |
| Proper motion (μ) | RA: 30.1 mas/yr Dec.: 15.0 mas/yr |
| Parallax (π) | 5.715 ± 0.56 mas |
| Distance | 570 ± 60 ly (170 ± 20 pc) |
| Absolute magnitude (MV) | 6.79 |
| Details | |
| Mass | 3,1 M☉ |
| Radius | 2,1 R☉ |
| Luminosity | 40 L☉ |
| Temperature | 7,500–10,000 K |
| Metallicity | ? |
| Rotation | 0,0025873 Year |
| Age | ? years |
| Orbit | |
| Companion | 29 Aquarii B |
| Semimajor axis (a) | 3,7" |
| Inclination (i) | 246° |
| Orbit | |
| Companion | 29 Aquarii C |
| Semimajor axis (a) | 143" |
| Inclination (i) | 291° |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
|
29 Aquarii or DX Aquarii is a white main-sequence star (A2V) in the constellation Aquarius. Its apparent magnitude is 6.39. It is approximately 471.33 light years from Earth. Its companion in binary star system is an orange giant (K0III).
[edit] Components
| NAME | Right ascension | Declination | Apparent magnitude (V) | Spectral type | Database references |
|---|---|---|---|---|---|
| 29 Aquarii B (CCDM J22024-1658AB) | 22h 02m 26.2489s | -16° 57' 53.41 | 6.6 | Simbad | |
| 29 Aquarii C (BD-17 6422B) | 22h 02m 26.3s | -16° 57' 53.8 | 7.4 | Simbad | |
| 29 Aquarii D (BD-17 6422C) | 22h 02m 17.1s | -16° 56' 58 | 11.7 | Simbad |
[edit] References
|
||||||||
 |
This binary or multiple star system–related article is a stub. You can help Wikipedia by expanding it. |
 |
This variable star–related article is a stub. You can help Wikipedia by expanding it. |
