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 mas[1] |
| 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
- ^ a b c d e f g h i j k * 37 Aql -- Star, database entry, SIMBAD. Accessed on line November 18, 2009.
- ^ a b 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, 367 (3rd ed.): 521–524, arXiv:astro-ph/0012289, Bibcode:2001A&A...367..521P, doi:10.1051/0004-6361:20000451, retrieved 2017-02-02.
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