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HAT-P-36

HAT-P-36 / Tuiren
Diagram showing star positions and boundaries of the Canes Venatici constellation and its surroundings
Location of HAT-P-36 (circled) within Canes Venatici
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Canes Venatici[1]
Right ascension 12h 33m 03.9061s[2]
Declination +44° 54′ 55.196″[2]
Apparent magnitude (V) 12.26
Characteristics
Spectral type G
Astrometry
Radial velocity (Rv)−16.434 km/s
Proper motion (μ) RA: −11.622(8) mas/yr[2]
Dec.: 8.138(10) mas/yr[2]
Parallax (π)3.4055 ± 0.0110 mas[2]
Distance958 ± 3 ly
(293.6 ± 0.9 pc)
Details
Mass1.022 ± 0.049 M☉
Radius1.096 ± 0.056 R☉
Temperature5580 ± 100.0 K
Metallicity [Fe/H]0.26 ± 0.08 dex
Age6.6 ± 1.8 Gyr
Other designations
Tuiren, Gaia DR3 1541532207133249920, TYC 3020-2221-1, 2MASS J12330390+4454552[3]
Database references
SIMBADdata

HAT-P-36, also referred to as Tuiren[4] is a 12th magnitude G-type main-sequence star estimated to be approximately 958 light-years away from Earth[2] in the constellation Canes Venatici. HAT-P-36 is too faint to be seen with the naked eye, but it is possible to view it with binoculars or a small telescope. In 2012 a hot Jupiter-type exoplanet was discovered orbiting HAT-P-36 with an orbital period of about 1.3 Earth days.[5] In December 2019, HAT-P-36 was named Tuiren and its planetary companion, HAT-P-36b, was named Bran as a result of Ireland's contribution to the 2019 NameExoWorlds campaign.[6] Bran has a mass approximately 1.8 times that of Jupiter and a radius 1.2 times larger.

  1. ^ Cite error: The named reference Roman1987 was invoked but never defined (see the help page).
  2. ^ a b c d e Cite error: The named reference Gaia DR3 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Simbad was invoked but never defined (see the help page).
  4. ^ "IAU100 NameExoWorlds Approved Names" (PDF). NameExoWorlds. International Astronomical Union. Retrieved 24 July 2020.
  5. ^ "HAT-P-36". Open Exoplanet Catalogue. Retrieved 24 July 2020.
  6. ^ Smith, Niall (29 September 2019). "Sky Matters: Ireland has the chance to name a star and a planet - any ideas?". Irish Examiner. Retrieved 24 July 2020.

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