Mu Aquilae
From Wikipedia, the free encyclopedia
Observation data Epoch J2000 |
|
---|---|
Constellation (pronunciation) |
Aquila |
Right ascension | 19h 34m 05.3529s |
Declination | +07° 22′ 44.189″ |
Apparent magnitude (V) | 4.45 |
Characteristics | |
Spectral type | K3IIIb |
U-B color index | 1.26 |
B-V color index | 1.17 |
Astrometry | |
Radial velocity (Rv) | -23.9 km/s |
Proper motion (μ) | RA: 212.76 mas/yr Dec.: -155.39 mas/yr |
Parallax (π) | 29.5 ± 0.78 mas |
Distance | 111 ± 3 ly (33.9 ± 0.9 pc) |
Absolute magnitude (MV) | 5.62 |
Details | |
Mass | ? M☉ |
Radius | ? R☉ |
Luminosity | ? L☉ |
Temperature | ? K |
Metallicity | ? |
Rotation | ? |
Age | ? years |
Visual binary orbit | |
Companion | μ Aquilae B |
Semimajor axis (a) | 31.2" |
Inclination (i) | 280° |
Visual binary orbit | |
Companion | μ Aquilae C |
Semimajor axis (a) | 31" |
Inclination (i) | 292° |
Visual binary orbit | |
Companion | μ Aquilae D |
Semimajor axis (a) | 66.6" |
Inclination (i) | 344° |
Visual binary orbit | |
Companion | μ Aquilae E |
Semimajor axis (a) | 177.4" |
Inclination (i) | 69° |
Visual binary orbit | |
Companion | μ Aquilae F |
Semimajor axis (a) | 5.1" |
Inclination (i) | 196° |
Visual binary orbit | |
Companion | μ Aquilae Aa |
Semimajor axis (a) | 38.4" |
Inclination (i) | 35° |
Other designations | |
NSV 12155, GCRV 11971, LF 1 +07° 207, mu. Aql, LSPM J1934+0722, TD1 24939, 38 Aql, GJ 9661, LTT 15709, TYC 490-5566-1, ADS 12607 A, GSC 00490-05566, 2MASS J19340535+0722442, UBV 16593, AG+07° 2673, HD 184406, N30 4334, UBV M 23879, ASCC 1072427, HIC 96229, NLTT 47945, USNO-B1.0 0973-00585871, BD+07° 4132, HIP 96229, PLX 4579, USNO 887, CCDM J19341+0723A, HR 7429, PMC 90-93 1072, uvby98 100184406, CSI+07° 4132 1, IDS 19292+0710 A, PPM 168141, YZ 7 9353, EIC 781, IRAS 19316+0716, RAFGL 5396S, FK5 1511, IRC +10430, ROT 2812, GC 27030, JP11 3114, SAO 124799.
|
|
Database references | |
SIMBAD | data |
Database references | |
SIMBAD | data |
Mu Aquilae (μ Aql / μ Aquilae) is a star system in the constellation Aquila. It is approximately 111 light years from Earth.
The primary component, μ Aquilae A, is an orange K-type giant with an apparent magnitude of +4.45. In addition to the primary, five other stars have been identified in the vicinity. At least two of these, μ Aquilae B and C, are optical companions.
[edit] Components
NAME | Right ascension | Declination | Apparent magnitude (V) | Spectral type | Database references |
---|---|---|---|---|---|
μ Aquilae B (BD+07 4132B) | 19h 34m 02.5s | +07° 22' 56 | 13.1 | Simbad | |
μ Aquilae C (BD+07 4132C) | 19h 34m 02.6s | +07° 23' 02 | 13.1 | Simbad | |
μ Aquilae D (BD+07 4132C) | 19h 34m 02.6s | +07° 23' 02 | 13.1 | Simbad | |
μ Aquilae E (BD+07 4132D) | 19h 34m 03.3s | +07° 23' 54 | 12.6 | Simbad | |
μ Aquilae F (BD+07 4132E) | 19h 34m 09.4s | +07° 23' 18 | 9.7 | Simbad | |
μ Aquilae Aa (BD+07 4132F) | 19h 34m 06.0s | +07° 23' 22 | 12.9 | Simbad |