WASP-7
Sign in to saveWASP-7, also identified as HD 197286, is a type F star located about 527 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 9.5 the star cannot be seen by the naked eye but is visible through a small telescope.
Wikidata facts
- Constellation
- Microscopium
- Child body
- WASP-7 b
- Distance from Earth
- 140
- Radius
- 1.432
- Mass
- 1.276
Show 16 more facts
- spectral class
- F8
- catalog code
- TIC 389352124
- apparent magnitude
- 9.383678
- effective temperature
- 6400
- parallax
- 6.164
- radial velocity
- -26.94
- epoch
- J2000.0
- metallicity
- -0.04
- stellar rotational velocity
- 17.48
- declination component of proper motion
- -57.355
- surface gravity
- 14960
- luminosity
- 3.442041
- right ascension component of proper motion
- 30.394
- right ascension
- 311.04258685937
- declination
- -39.22523774489
- age estimated by a dating method
- 2.4
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Encyclopedic overview
3 sectionsContents
- Planetary system
- References
- External links
WASP-7, also identified as HD 197286, is a type F star located about 527 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 9.5 the star cannot be seen by the naked eye but is visible through a small telescope.
==Planetary system== The SuperWASP project announced an extrasolar planet, WASP-7b, orbiting this star in 2008. The planet appears to be another hot Jupiter, a low-density planet with Jupiter's mass orbiting very close to a hot star and thus emitting enough heat to glow.
Excerpted from Wikipedia’s “WASP-7” article, available under the CC BY-SA 4.0 licence.