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| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 04m 57.6717s |
| Declination | -04° 01′ 53.112″ |
| Apparent magnitude (V) | 5.409 |
| Characteristics | |
| Spectral type | K1III |
| U-B color index | 1.01 |
| B-V color index | 1.12 |
| Astrometry | |
| Radial velocity (Rv) | -17.7 km/s |
| Proper motion (μ) | RA: 20.76 mas/yr Dec.: -26.73 mas/yr |
| Parallax (π) | 10.04 ± 0.76 mas |
| Distance | 320 ± 20 ly (100 ± 8 pc) |
| Absolute magnitude (MV) | 6.53 |
| Details | |
| Mass | ? M☉ |
| Radius | ? R☉ |
| Luminosity | ? L☉ |
| Temperature | ? K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Orbit | |
| Companion | 15 Aquilae B |
| Semimajor axis (a) | 38.5" |
| Inclination (i) | 209° |
| Other designations | |
|
h Aql, IRC +00410, TYC 5136-44-1, 15 Aql, GSC 05136-00044, 2MASS J19045767-0401530, UBV M 23461, ADS 12007 A, HD 177463, PLX 4430, UBV 16178, BD-04° 4684, HIC 93717, PPM 202509, YZ 94 6458, CCDM J19050-0402A, HIP 93717, ROT 2715, AAVSO 1859-04, GC 26237, HR 7225, SAO 142996, GCRV 11534, IDS 18597-0411 A.
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| Database references | |
| SIMBAD | data |
| Database references | |
| SIMBAD | data |
15 Aquilae (h Aquilae) is a double star in the constellation Aquila. Its apparent magnitude is 5.40. It's composed of a magnitude 5 yellow star and a magnitude 7 star, already resolvable by a small telescope.
Components
| NAME | Right ascension | Declination | Apparent magnitude (V) | Spectral type | Database references |
|---|---|---|---|---|---|
| 15 Aquilae B (HD 177442) | 19h 04m 56.3764s | -04° 02' 27.147 | 6.97 | K0 | Simbad |
References
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