Zeta Serpentis

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ζ Serpentis
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Serpens
Right ascension 18h 00m 29.0s[1]
Declination −03° 41′ 25″[1]
Apparent magnitude (V) +4.62
Distance 75.7 ± 1.3 ly
(23.2 ± 0.4 pc)
Spectral type F3V
Other designations
57 Serpentis, HR 6710,
HD 164259, SAO 142025,
HIP 88175

Zeta Serpentis (ζ Ser, ζ Serpentis) is a star in the constellation Serpens.

Zeta Serpentis is a yellow-white F-type main sequence dwarf with an apparent magnitude of +4.62. It is approximately 75.7 light years from Earth. This star has nearly double the radius of the Sun and is radiating 6.3 times the Sun's luminosity from its outer atmosphere at an effective temperature of 6,529 K.[1]


  1. ^ a b c Boyajian, Tabetha S. et al. (February 2012), "Stellar Diameters and Temperatures. I. Main-sequence A, F, and G Stars", The Astrophysical Journal 746 (1): 101, arXiv:1112.3316, Bibcode:2012ApJ...746..101B, doi:10.1088/0004-637X/746/1/101 . See Table 10.