Delta Phoenicis

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δ Phoenicis
Phoenix constellation map.svg
Red circle.svg

Location of δ Phoenicis (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Phoenix
Right ascension 01h 31m 15.10475s[1]
Declination −49° 04′ 21.7308″[1]
Apparent magnitude (V) 3.93[2]
Characteristics
Spectral type G8.5IIIb[2]
U−B color index +0.70[3]
B−V color index +0.99[3]
Astrometry
Radial velocity (Rv) -7.30[4] km/s
Proper motion (μ) RA: +138.38[1] mas/yr
Dec.: +153.89[1] mas/yr
Parallax (π) 22.95 ± 0.19[1] mas
Distance 142 ± 1 ly
(43.6 ± 0.4 pc)
Absolute magnitude (MV) 0.73[2]
Details
Mass 1.84[5] M
Luminosity 60.14[2] L
Surface gravity (log g) 2.61[5] cgs
Temperature 4,754[5] K
Metallicity [Fe/H] -0.28[5] dex
Rotational velocity (v sin i) < 1.0[6] km/s
Other designations
FK5 1044, GC 1847, HIP 7083, HR 440, HD 9362, SAO 215536
Database references
SIMBAD data

Delta Phoenicis (δ Phe) is a class G8.5III[2] (yellow giant) star in the constellation Phoenix. Its apparent magnitude is 3.93[2] and it is approximately 142.1 light years away based on parallax.[1]

References[edit]

  1. ^ a b c d e f Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. Bibcode:2007A&A...474..653V. arXiv:0708.1752Freely accessible. doi:10.1051/0004-6361:20078357.  Vizier catalog entry
  2. ^ a b c d e f Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. Bibcode:2012AstL...38..331A. arXiv:1108.4971Freely accessible. doi:10.1134/S1063773712050015.  Vizier catalog entry
  3. ^ a b Mallama, A. (2014). "Sloan Magnitudes for the Brightest Stars". The Journal of the American Association of Variable Star Observers. 42: 443. Bibcode:2014JAVSO..42..443M. Vizier catalog entry
  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. ^ a b c d Liu, Y. J.; Zhao, G.; Shi, J. R.; Pietrzynski, G.; Gieren, W. (2007). "The abundances of nearby red clump giants". Monthly Notices of the Royal Astronomical Society. 382 (2): 553. Bibcode:2007MNRAS.382..553L. doi:10.1111/j.1365-2966.2007.11852.x. 
  6. ^ De Medeiros, J. R.; Alves, S.; Udry, S.; Andersen, J.; Nordström, B.; Mayor, M. (2014). "A catalog of rotational and radial velocities for evolved stars". Astronomy & Astrophysics. 561: A126. Bibcode:2014A&A...561A.126D. arXiv:1312.3474Freely accessible. doi:10.1051/0004-6361/201220762.  Vizier catalog entry