TrES-3b
Sign in to saveAlso known as TrES-3 b, Umbäässa
TrES-3b is an extrasolar planet orbiting the star GSC 03089-00929. It has an orbital period of just 31 hours and nearly twice the mass of Jupiter.
Astronomical data · SIMBAD
- Object type
- Pl
- Distance
- 757 light-years
- Coordinates
- RA 268.0292° · Dec 37.5462°
View on SIMBAD →
via SIMBAD · CDS Strasbourg
Key facts
- Planet.name
- TrES-3b / Umbäässa
- Planet.image
- Exoplanet Comparison TrES-3 b.png
- Planet.caption
- Size comparison of TrES-3b with Jupiter.
- Planet.discoverer
- O'Donovan et al.
- Planet.discovery_site
- United States
- Planet.discovered
- 2007
- Planet.discovery_method
- Transit
- Planet.apsis
- astron
- Planet.period
- 1.30619 ± 0.00005 d
- Planet.inclination
- 82.15
- Planet.star
- GSC 03089-00929
- Planet.mean_radius
- 1.341 ± 0.081
- Planet.mass
- 1.92 ± 0.23
- Planet.surface_grav
- 2.7 g
- Planet.single_temperature
- 1555 K
via Wikipedia infobox
Wikidata facts
- Constellation
- Hercules
- Parent body
- GSC 03089-00928
- Diameter
- 1290000
- Radius
- 1.305
- Mass
- 1.91
- Orbital period
- 1.306186348
- Image
- Exoplanet Comparison TrES-3 b.png
Show 22 more facts
- catalog code
- TIC 116264089b
- Commons category
- TrES-3 b
- time of discovery or invention
- 2007-07-00
- right ascension
- 268.02924376528460
- declination
- 37.54617694502361
- effective temperature
- 5720.0
- semi-major axis of an orbit
- 0.0226
- epoch
- J2000.0
- stellar rotational velocity
- 1.3
- metallicity
- -0.10
- surface gravity
- 28184
- name
- Umbäässa
- orbital eccentricity
- 0.17
- orbital inclination
- 82
- discovery method
- transit method
- right ascension component of proper motion
- -24.529
- declination component of proper motion
- 34.809
- albedo
- 0.0
- parallax
- 4.2939
- spectral class
- G
- apparent magnitude
- 12.4
- argument of periapsis
- 270.5
via Wikidata · CC0
~2 min read
Encyclopedic overview
5 sectionsContents
- Discovery
- Characteristics
- See also
- References
- External links
TrES-3b is an extrasolar planet orbiting the star GSC 03089-00929. It has an orbital period of just 31 hours and nearly twice the mass of Jupiter.
The planet TrES-3b is named Umbäässa. The name was selected in the NameExoWorlds campaign by Liechtenstein, during the 100th anniversary of the IAU. In the local dialect of southern Liechtenstein, Umbäässa is a small and barely visible ant.
Excerpted from Wikipedia’s “TrES-3b” article, available under the CC BY-SA 4.0 licence.