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| Exoplanetary Scratchpad|
OGLE-TR-10 System Web Pages
OGLE-TR-10 System In the News
Transit Detection of Planet b (2002)
The OGLE-III survey (Optical Gravitational Lensing Experiment) announced the detection of 54 short period multi-transiting objects in the Galactic bulge, including OGLE-TR-10 b and OGLE-TR-58 b.
Dopplar Follow Up on Planet b (2004)
Radial followup to determine planet's mass and other characteristics
Planet b Confirmed (Apr 2005)
Planets existance was confirmed with dopplar spectrometry
Planet b Losing Atmosphere (May 2005)
Theories show that Planet b is in a state of "classical hydrodynamical blow-off" and loses its atmosphere at a higher rate than most transiting exoplanets.
Planet b Not Inflated (Jun 2005)
Additional transits yield a smaller radius than previously announced, at 1.06 MJ
Planet b Really Is Inflated (Jan 2006)
Further analysis reveal that Planet b is infact an inflated Hot Jupiter with a radius of 1.22 RJ.
Chemical Abundance of Parent Star Measured (2005-2006)
Surface Gravity Found to Be Less Than Earth (2007)
OGLE-TR-10 System Fun Links
- About 5000 ly away
- In Sagitarius, towards the Galactic Center
- Apparent magnitude of 14.93
- Older than 1.1 Gigayears
OGLE-TR-10 Star Factoids
- Star is so far and dim that it wasn't catalogued prior to the discovery of the planet.
- A yellow or orange dwarf (G or K)
- Slightly more massive than the Sun (1.18 MS)
- Slightly larger than the Sun (1.18 RS)
Planet b Factoids
- Less massive than Jupiter (0.63MJ), but bloated to be larger (1.26 MJ)
- Has the weakest surface gravity of any measured exoplanet, less than the Earth.
- Discovered in 2004.