HD 17092 b

HD 17092 b is an extrasolar planet located approximately 750 light years away in the constellation Perseus, orbiting the giant star HD 17092.

HD 17092 b

Discovery
Discovered by	A. Niedzielski et al.[1]
Discovery site	Poland
Discovery date	May 6, 2007
Detection method	Radial velocity
Orbital characteristics
Semi-major axis	1.29 ± 0.05 AU (193,000,000 ± 7,500,000 km)[1]
Eccentricity	0.166 ± 0.052[1]
Orbital period (sidereal)	359.9 ± 2.4[1] d
Time of periastron	2452969.5 ± 12.3[1]
Argument of periastron	347.4 ± 13.4[1]
Semi-amplitude	82.4 ± 3.2
Star	HD 17092
Physical characteristics
Mass	≥4.6[1] MJ

Discovery

In 2007 discovery of an extrasolar planet orbiting HD 17092 was announced by a team led by Andrzej Niedzielski of Polish Nicolaus Copernicus University and including astronomers from Penn State, the Spitzer Science Center, the Jet Propulsion Laboratory, and the University of Texas.^[1] The discovery was made using the Hobby-Eberly Telescope.

Characteristics

The planet, designated as HD 17092 b, has a minimum mass of 4.6 Jupiter masses. The mean distance of the planet from the star is more than distance between Earth and the Sun at 1.29 AU, and the eccentricity of the orbit is mild at 0.166.

External links

• The Extrasolar Planets Encyclopaedia: HD 17092 b

References

1. Niedzielski, A.; et al. (2007). "A Planetary‐Mass Companion to the K0 Giant HD 17092". The Astrophysical Journal. 669 (2): 1354–1358. arXiv:0705.0935. Bibcode:2007ApJ...669.1354N. doi:10.1086/521784. S2CID 14853462.