QS Aquilae

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QS Aquilae
Observation data
Epoch J2000      Equinox J2000
Constellation Aquila
Right ascension 19h 41m 05.528s[1]
Declination +13° 48′ 56.45″[1]
Apparent magnitude (V) 5.988
Spectral type B5V
U−B color index −0.52
B−V color index −0.08
Variable type Algol variable
Radial velocity (Rv) −14.2 ± 2 km/s
Proper motion (μ) RA: −0.04 ± 0.60[1] mas/yr
Dec.: −11.47 ± 0.43[1] mas/yr
Parallax (π) 0.49 ± 0.62[1] mas
Other designations
2MASS J19410553+1348565, GSC 01069-03884, PPM 136767, HD 185936, SAO 105132, WDS J19411+1349, BD+13° 4098, WDS J19412+1349, CCDM J19411+1349AB, WDS J1941.1+1349, FK5 3574, HIP 96840, HR 7486.
Database references
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

QS Aquilae is eclipsing binary of Algol type in the constellation Aquila. The two stars orbit each other every 61.72 years and have a combined mass around 27 times that of the Sun.[2]


  1. ^ a b c d e van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. ^ Cvetkovic, Z.; Ninkovic, S. (2010). "On the Component Masses of Visual Binaries". Serbian Astronomical Journal. 180: 71–80. Bibcode:2010SerAJ.180...71C. doi:10.2298/SAJ1080071C.