41 Cygni

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41 Cygni
Cygnus constellation map.svg
Red circle.svg

Location of 41 Cyg (circled)
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[1] mas
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
41 Cyg, HR 7834, BD+29°4057, HD 195295, SAO 70095, FK5 1534, HIP 101076
Database references
SIMBAD data

41 Cygni (41 Cyg) is a star in the constellation Cygnus. Its apparent magnitude is 3.99.

References[edit]

  1. ^ 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. 
  2. ^ 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. 
  3. ^ Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. (2011). "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun". Monthly Notices of the Royal Astronomical Society 410: 190. Bibcode:2011MNRAS.410..190T. doi:10.1111/j.1365-2966.2010.17434.x. 
  4. ^ 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. 
  5. ^ 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. 
  6. ^ a b c d Lyubimkov, Leonid S.; Lambert, David L.; Rostopchin, Sergey I.; Rachkovskaya, Tamara M.; Poklad, Dmitry B. (2010). "Accurate fundamental parameters for A-, F- and G-type Supergiants in the solar neighbourhood". Monthly Notices of the Royal Astronomical Society 402 (2): 1369. arXiv:0911.1335. Bibcode:2010MNRAS.402.1369L. doi:10.1111/j.1365-2966.2009.15979.x. 
  7. ^ McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental parameters and infrared excesses of Hipparcos stars". Monthly Notices of the Royal Astronomical Society 427: 343. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.