16 Lacertae

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
16 Lacertae
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Lacerta
Right ascension 22h 56m 23.62966s[1]
Declination +41° 36′ 13.9438″[1]
Apparent magnitude (V) +5.58
Spectral type B2 IV
Variable type β Cep[2]
Proper motion (μ) RA: -1.66 ± 0.17[1] mas/yr
Dec.: -5.38 ± 0.23[1] mas/yr
Parallax (π)2.56 ± 0.30[1] mas
Distanceapprox. 1,300 ly
(approx. 390 pc)
Other designations
16 Lacertae, EN Lacertae, HR 8725, HD 216916, BD+40° 4949, HIP 113281, SAO 52512.
Database references

16 Lacertae is a star in the constellation Lacerta. It is a blue-white B-type subgiant with a mean apparent magnitude of +5.58. It is approximately 1300 light years from Earth.[1] It is classified as a Beta Cephei type variable star.[2]


  1. ^ a b c d e f van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Archived from the original on 2016-04-02.  Vizier catalog entry
  2. ^ a b Jerzykiewicz, M.; et al. (2015). "The 2003–2004 multisite photometric campaign for the β Cephei and eclipsing star 16 (EN) Lacertae with an appendix on 2 Andromedae, the variable comparison star". Monthly Notices of the Royal Astronomical Society. 454 (1): 724–740. arXiv:1508.05250Freely accessible. Bibcode:2015MNRAS.454..724J. doi:10.1093/mnras/stv1958.