Rho Pavonis

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ρ Pavonis
Pavo constellation map.svg
Red circle.svg

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]
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]
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
Distance 190 ± 3 ly
(58.1 ± 0.8 pc)
Absolute magnitude (MV) 1.04[6]
Luminosity 31.43[7] L
Temperature 6,373[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

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]


  1. ^ a b c d e f van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752Freely accessible. doi:10.1051/0004-6361:20078357.  Vizier catalog entry
  2. ^ a b c 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. ^ a b 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. ^ a b 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. Bibcode:2012AstL...38..331A. arXiv:1108.4971Freely accessible. doi:10.1134/S1063773712050015.  Vizier catalog entry
  7. ^ a b 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