Rho Pavonis

ρ Pavonis


Location of ρ Pavonis (circled)

Observation data
Epoch J2000      Equinox J2000
Constellation Pavo
Right ascension 20h 37m 35.31275s[1]
Declination −61° 31′ 47.7145″[1]
Apparent magnitude (V) 4.85 - 4.91[2]
Characteristics
Spectral type Fm δ Del[3]
U−B color index +0.19[2]
B−V color index +0.43[2]
Variable type δ Sct[4]
Astrometry
Radial velocity (Rv)+8.00[5] km/s
Proper motion (μ) RA: +59.61[1] mas/yr
Dec.: -72.69[1] mas/yr
Parallax (π)17.20 ± 0.24[1] mas
Distance190 ± 3 ly
(58.1 ± 0.8 pc)
Absolute magnitude (MV)1.04[6]
Details
Luminosity31.43[7] L☉
Temperature6,373[7] K
Rotational velocity (v sin i)45.0[8] km/s
Other designations
FK5 3647, GC 28668, HIP 101773, HR 7859, HD 195961, SAO 254835
Database references
SIMBADdata

Rho Pavonis (ρ Pav) is a class F[3] variable star in the constellation Pavo. Its apparent magnitude is 4.85, with total variations of about 0.055 magnitudes,[4] and it is approximately 190 light years away based on parallax.[1]

References

  1. 1 2 3 4 5 6 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. 1 2 3 Garcia, J. R.; Cebral, J. R.; Scoccimarro, E. R.; Wahnon, P.; Arena, R.; Bazterra, V.; Pellizza, L.; Risi, A.; Rodriguez, M. L.; Zimmermann, M. (1995). "A catalogue of variable stars in the lower instability strip". Astronomy and Astrophysics Supplement. 109. Bibcode:1995A&AS..109..201G.
  3. 1 2 Houk, N.; Cowley, A. P. (1975), "Michigan catalogue of two-dimensional spectral types for the HD stars", University of Michigan Catalogue of two-dimensional spectral types for the HD stars. Volume I. Declinations -90_ to -53_ƒ0, Ann Arbor: Dept. of Astronomy, University of Michigan, 1, Bibcode:1975MSS...C01....0H
  4. 1 2 Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.
  5. ↑ Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
  6. ↑ Anderson, E.; Francis, Ch. (May 2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331–346. arXiv:1108.4971Freely accessible. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. Vizier catalog entry
  7. 1 2 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. Vizier catalog entry
  8. ↑ Głȩbocki, R.; Gnaciński, P. (March 2005), "VizieR Online Data Catalog: Catalog of Stellar Rotational Velocities", VizieR On-line Data Catalog: III/244. Originally published in: Proceedings of the 13th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, 3244, Bibcode:2005yCat.3244....0G Vizier catalog entry
This article is issued from Wikipedia - version of the 10/10/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.