Kappa Serpentis

Kappa Serpentis
Observation data
Epoch J2000      Equinox J2000
Constellation Serpens
Right ascension 15h 48m 44.37676s [1]
Declination 18° 08′ 29.6342″ [1]
Apparent magnitude (V) 4.09 [2]
Characteristics
Spectral type M0.5III [3]
U−B color index +1.95 [2]
B−V color index +1.62 [2]
Astrometry
Radial velocity (Rv)-38.48[4] km/s
Proper motion (μ) RA: -51.88[1] mas/yr
Dec.: -88.10[1] mas/yr
Parallax (π)8.54 ± 0.23[1] mas
Distance380 ± 10 ly
(117 ± 3 pc)
Absolute magnitude (MV)-1.25[5]
Other designations
Gudja, 35 Ser, FK5 584, HD 141477, HIP 77450, HR 5879, SAO 101752[3]
Database references
SIMBADdata

Kappa Serpentis, Latinized from κ Serpentis, is a star in the constellation Serpens, in its head (Serpens Caput). It is a red M-type giant[3] with an apparent magnitude of +4.09.[2] It is approximately 382 light years from Earth.[1] It has proper name Gudja since 10 August 2018[6]

Nomenclature

κ Serpentis (Latinised to Kappa Serpentis) is the star's Bayer designation.

The star bore the traditional name Gudja in the culture of the Wardaman people of the Northern territory of Australia, meaning water goanna[7]. In 2016, the IAU organized a Working Group on Star Names (WGSN)[8] to catalog and standardize proper names for stars. The WGSN approved the name Gudja for this star on 10 August 2018 and it is now so included in the List of IAU-approved Star Names.[6]

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:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. 1 2 3 4 Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237: 0. Bibcode:2002yCat.2237....0D.
  3. 1 2 3 "Kappa Serpentis". SIMBAD Astronomical Database. Retrieved 2015-10-17.
  4. ↑ Famaey, B.; Pourbaix, D.; Frankowski, A.; Van Eck, S.; Mayor, M.; Udry, S.; Jorissen, A. (2009). "Spectroscopic binaries among Hipparcos M giants,. I. Data, orbits, and intrinsic variations". Astronomy and Astrophysics. 498 (2): 627–640. arXiv:0901.0934. Bibcode:2009A&A...498..627F. doi:10.1051/0004-6361/200810698.
  5. ↑ Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters, 38 (5): 331, arXiv:1108.4971, Bibcode:2012AstL...38..331A, doi:10.1134/S1063773712050015.
  6. 1 2 "IAU Catalog of Star Names". International Astronomical Union. Retrieved 2018-09-17.
  7. ↑ "IAU Working Group on Star Names (WGSN)" (Press release). IAU.org.
  8. ↑ "IAU Working Group on Star Names (WGSN)". Retrieved 17 September 2018.


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