TrES-1
| Orbital Elements | |
|---|---|
| Semi-Major Axis (a) | 0.0393 ± 0.0007 AU |
| Eccentricity (e) | 0.135 ± 0.096 |
| Orbital Period (P) | 3.030065 ± 0.000008 d |
| Inclination (i) | 88.2 ± 1° |
| Longitude of Periastron (ϖ) | ?° |
| Time of Periastron (τ) | 2,453,186.8060 ± 0.002 JD |
| Physical Characteristics | |
| Mass | 0.61 ± 0.06 MJ |
| Radius | 1.08 +0.18-0.04 RJ |
| Density | ? kg/m³ |
| Temperature | 1,060 ± 50 K |
| Discovery | |
| Discoverers | Alonso, Brown, Torres et al. |
| Discovery Date | 2004 |
The planet, dubbed TrES-1 was discovered by the Trans-Atlantic Exoplanet Survey (TrES). It was published at arXiv.org at Mon, 23 Aug 2004 22:18:33 GMT by Timothy M. Brown. The team leaders are David Charbonneau, Timothy Brown, and Edward W. Dunham. The discovery was confirmed by the Keck Observatory. It orbits the star GSC 02652–01324, aka 2MASS 19040985+3637574, located at 19:04:09.85 right ascension +36:37:57.4 declination, 500 light years distant. The name has not yet been officially accepted. The lead author of the paper is graduate student Roi Alonso of the Astrophysical Institute of the Canaries in Spain. The results were publised in the Astrophyscial Journal Letters.
It was discovered using the transit method, with the smallest scope to date (2004), 4 inches in diameter.
On March 22, 2005, NASA released news that the Spitzer Space Telescope measured the infrared light reflecting off the planet, measured its albedo as 0.3, and determined its temperature, and which had never been done before.1
See also
External links
- "SIMBAD query result for TrES-1 planet." SIMBAD. Accessed on April 4, 2005.
- Harvard-Smithsonian Centre for Astrophysics press release
- FULL TEXT journal publication at arXiv
- Keck Observatory press release
- "Tiny "David" Telescope Finds "Goliath" Planet." Science Daily. Accessed on April 2, 2005.
- Slashdot
- Artist's Impression
- Glow of Alien Planets Detected in 'Milestone' Observations
- Note 1: "NASA's Spitzer Marks Beginning of New Age of Planetary Science." JPL. Accessed on April 2, 2005.
Categories: Extrasolar planets