41 Cygni
Appearance
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Cygnus |
Right ascension | 20h 29m 23.73561s[1] |
Declination | +30° 22′ 06.7968″[1] |
Apparent magnitude (V) | 4.02[2] |
Characteristics | |
Spectral type | F5II[3] |
B−V color index | +0.38[2] |
Astrometry | |
Radial velocity (Rv) | −18.20[4] km/s |
Proper motion (μ) | RA: 6.89[1] mas/yr Dec.: −0.87[1] mas/yr |
Parallax (π) | 4.24 ± 0.16 mas[1] |
Distance | 770 ± 30 ly (236 ± 9 pc) |
Absolute magnitude (MV) | −3.32[5] |
Details | |
Mass | 5.3[6] M☉ |
Luminosity | 1,057[7] L☉ |
Surface gravity (log g) | 2.32[6] cgs |
Temperature | 6,570[6] K |
Age | 85[6] Myr |
Other designations | |
Database references | |
SIMBAD | data |
41 Cygni (41 Cyg) is a star in the constellation Cygnus. Its apparent magnitude is 3.99.
References
- ^ a b c d e Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- ^ a b Luck, R. Earle (2014). "Parameters and Abundances in Luminous Stars". The Astronomical Journal. 147 (6): 137. Bibcode:2014AJ....147..137L. doi:10.1088/0004-6256/147/6/137.
- ^ . Bibcode:2011MNRAS.410..190T.
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(help) - ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
- ^ Kovtyukh, V. V.; Gorlova, N. I.; Belik, S. I. (2012). "Accurate luminosities from the oxygen λ7771-4 Å triplet and the fundamental parameters of F-G supergiants". Monthly Notices of the Royal Astronomical Society. 423 (4): 3268. arXiv:1204.4115. Bibcode:2012MNRAS.423.3268K. doi:10.1111/j.1365-2966.2012.21117.x.
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: CS1 maint: unflagged free DOI (link) - ^ a b c d . arXiv:0911.1335. Bibcode:2010MNRAS.402.1369L.
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(help) - ^ . Bibcode:2012MNRAS.427..343M.
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