15 Andromedae

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15 Andromedae
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Andromeda
Right ascension 23h 34m 37.54s[1]
Declination +40° 14′ 11.2″[1]
Apparent magnitude (V) 5.59
Characteristics
Spectral type A1 III[2]
U−B color index 0.08
B−V color index 0.1
Variable type Delta Scuti variable[citation needed]
Astrometry
Radial velocity (Rv) 13 km/s
Proper motion (μ) RA: -17.74 ± 0.17[1] mas/yr
Dec.: -46.69 ± 0.15[1] mas/yr
Parallax (π) 12.45 ± 0.26[1] mas
Distance 262 ± 5 ly
(80 ± 2 pc)
Absolute magnitude (MV) 5.5[citation needed]
Details
Mass 2.7[2] M
Luminosity 27[2] L
Temperature 9,225[2] K
Age 130[2] Myr
Other designations
V340 And, BD +39° 5114, FK5 1616, HD 221756, HIP 116354, HR 8947, SAO 73346.
Database references
SIMBAD data

15 Andromedae is a star in the constellation Andromeda. Its apparent magnitude is 5.55. Its estimated distance from the Earth is 233.47 light years.

This system has an excess emission of infrared radiation that suggests the presence of an orbiting disk of dust at a distance of around 50 AU from the host star.[2]

References[edit]

  1. ^ a b c d e 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. ^ a b c d e f Wyatt, M. C. et al. (July 2007), Steady State Evolution of Debris Disks around A Stars, The Astrophysical Journal 663 (1): 365–382, arXiv:astro-ph/0703608, Bibcode:2007ApJ...663..365W, doi:10.1086/518404 

External links[edit]

Coordinates: Sky map 23h 34m 37.5s, 40° 14′ 11″