Iota Lyrae

Iota Lyrae
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Lyra
Right ascension 19h 07m 18.13s[1]
Declination +36° 06 00.6[1]
Apparent magnitude (V) 5.22[2]
Characteristics
Spectral type B6IV + ?[2]
Astrometry
Radial velocity (Rv)-26.00 ± 4.6[3] km/s
Proper motion (μ) RA: -1.04 ± 0.16[1] mas/yr
Dec.: -4.29 ± 0.20[1] mas/yr
Parallax (π)3.64 ± 0.20[1] mas
Distance900 ± 50 ly
(270 ± 20 pc)
Other designations
Iota Lyrae, 18 Lyrae, HR 7262, BD+35°3485, HD 178475, SAO 67834, HIP 93903, GC 26338, GSC 02652-01709

Iota Lyrae is a binary star in the constellation Lyra. Its apparent magnitude is 5.22.[2] Located around 275 parsecs (900 ly) distant,[1] it is composed of a blue subgiant primary of spectral type B6IV and an unknown secondary separated by 0.08 arcseconds.[2]

References

  1. 1 2 3 4 5 6 van Leeuwen, F. (November 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.
  2. 1 2 3 4 Eggleton, P. P.; Tokovinin, A. A. (September 2008). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society 389 (2): 869–879. arXiv:0806.2878. Bibcode:2008MNRAS.389..869E. doi:10.1111/j.1365-2966.2008.13596.x.
  3. 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.


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