WASP-7

WASP-7
Observation data
Epoch J2000      Equinox J2000
Constellation Microscopium
Right ascension 20h 44m 10.2208s[1]
Declination −39° 13′ 30.850″[1]
Apparent magnitude (V) 9.51
Characteristics
Spectral type F5V[2]
Apparent magnitude (B) ~9.96[2]
Apparent magnitude (V) ~9.54[2]
Apparent magnitude (J) 8.648 ± 0.027[2]
Apparent magnitude (H) 8.414 ± 0.042[2]
Apparent magnitude (K) 8.396 ± 0.023[2]
Astrometry
Proper motion (μ) RA: 30.480±0.677[1] mas/yr
Dec.: 57.998±0.753[1] mas/yr
Parallax (π)6.32 ± 0.25 mas[1]
Distance520 ± 20 ly
(158 ± 6 pc)
Details
Mass1.28 −0.19+0.09 M☉
Radius1.236 −0.046+0.059 R☉
Temperature6400 ± 100 K
Metallicity0 ± 0.1
Other designations
HD 197286, CPD-39 8759, PPM 300547, CD-39 13941, GSC 07963-01570, TYC 7963-1570-1, CPC 18 10732, 2MASS J20441022-3913309, Gaia DR2 6681720724498802176[2]
Database references
SIMBADdata

WASP-7, also identified as HD 197286, is a type F star located about 520 light years away in the constellation Microscopium. This star is a little larger and about 28% more massive than the Sun and is also brighter and hotter. At magnitude 9 the star cannot be seen by the naked eye but is visible through a small telescope.[2]

  1. ^ a b c d e Cite error: The named reference Gaia2016 was invoked but never defined (see the help page).
  2. ^ a b c d e f g h "SIMBAD query result: HD 197286 -- Star". Centre de Données astronomiques de Strasbourg. Retrieved 2009-05-06.