37 Aquilae
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
---|---|
Constellation | Aquila |
Right ascension | 19h 35m 07.2573s[1] |
Declination | −10° 33′ 37.598″[1] |
Apparent magnitude (V) | 5.137[1] |
Characteristics | |
Spectral type | G8IIIa[1] |
U−B color index | +0.89[2] |
B−V color index | +1.13[2] |
Astrometry | |
Radial velocity (Rv) | −30.8 ± 0.9[1] km/s |
Proper motion (μ) | RA: 6.87[1] mas/yr Dec.: −3.04[1] mas/yr |
Parallax (π) | 7.34 ± 0.76[1] mas |
Distance | approx. 440 ly (approx. 140 pc) |
Absolute magnitude (MV) | −0.5[3] |
Details | |
Radius | 13[4] R☉ |
Other designations | |
Database references | |
SIMBAD | data |
37 Aquilae (abbreviated 37 Aql) is a G-type giant star in the constellation of Aquila.[1] 37 Aquilae is its Flamsteed designation. It has an apparent visual magnitude of approximately 5.137.[1]
References
- 1 2 3 4 5 6 7 8 9 10 11 * 37 Aql -- Star, database entry, SIMBAD. Accessed on line November 18, 2009.
- 1 2 HR 7430, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line November 18, 2009.
- ↑ From apparent magnitude and parallax.
- ↑ Pasinetti-Fracassini, L. E.; et al. (February 2001), "Catalog of Apparent Diameters and Absolute Radii of Stars (CADARS)", Astronomy and Astrophysics (3rd ed.), 367: 521−524, Bibcode:2001A&A...367..521P, doi:10.1051/0004-6361:20000451, retrieved 2017-02-02.
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