Jump to content

15 Aquilae

From Wikipedia, the free encyclopedia

This is an old revision of this page, as edited by 70.29.209.91 (talk) at 06:49, 29 October 2009. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

15 Aquilae
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
Distance320 ± 20 ly
(100 ± 8 pc)
Absolute magnitude (MV)6.53
Details
MassM
RadiusR
LuminosityL
TemperatureK
Metallicity?
Rotation?
Age? years
Orbit
Companion15 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
SIMBADdata
Database references
SIMBADdata

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 A
15 Aquilae B (HD 177442) 19h 04m 56.3764s -04° 02' 27.147 6.97 K0 Simbad

References

Template:Binary-star-stub