| Discovery | |
|---|---|
| Discovered by | Anderson et al.[1] |
| Discovery site | La Silla Observatory |
| Discovery date | Published 16 May 2011 |
| Doppler spectroscopy | |
| Orbital characteristics | |
| Epoch J2000 | |
| 0.03473 (± 0.00041)[2] AU | |
| 2.423807±0.000003[3] d | |
| Inclination | 86.02 +1.11 −0.86[2] |
| Star | WASP-44 |
| Physical characteristics | |
| 1.002 (± 0.11)[4] RJ | |
| Mass | 0.889 (± 0.062)[2] MJ |
Mean density | 0.61 +0.23 −0.15[1] g cm−3 |
| Temperature | 1343 (± 64)[1] |
WASP-44b is a closely orbiting Jupiter-sized planet found in the orbit of the sunlike star WASP-44 by the SuperWASP program, which searches for transiting planets that cross in front of their host stars as seen from Earth. After follow-up observations using radial velocity, the planet was confirmed. Use of another telescope at the same observatory detected WASP-44 transiting its star. The planet completes an orbit around its star every two and a half days, and orbits at roughly 0.03 AU from its host star. WASP-44b's discovery was reported by the Royal Astronomical Society in May 2011.
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