15 Aquilae
Appearance
This article includes a list of general references, but it lacks sufficient corresponding inline citations. (April 2009) |
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 |
Semi-major 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. | |
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, resolvable in a small telescope.
Components
NAME | Right ascension | Declination | Apparent magnitude (V) | Spectral type | Database references |
---|---|---|---|---|---|
15 Aquilae A | |||||
15 Aquilae B (HD 177442) | 19h 04m 56.3764s | -04° 02' 27.147 | 6.97 | K0 | Simbad |