Epoch J2000 Equinox J2000
|Right ascension||13h 57m 17.2375s|
|Declination||–56° 02′ 24.153″|
|Apparent magnitude (V)||7.6|
HD 121504 is an 8th magnitude star in the constellation of Centaurus. It is a yellow dwarf (spectral type G2V) and remarkably similar to our Sun, only slightly brighter like α Centauri A. However, it is located at a distance for about 140 light years and thus is not visible to the unaided eye; binoculars or small telescope is required to see this star.
Another component, designated as SAO 241323 has been proposed as a component of the system. However, the star is an optical binary component and in reality is a white giant star located thousands of light years away.
(in order from star)
|b||>1.22 MJ||0.33||63.33 ± 0.03||0.03 ± 0.01||—||—|
- "European Southern Observatory: Six Extrasolar Planets Discovered". SpaceRef Interactive Inc. 7 August 2000. Retrieved 15 August 2009.
- Mayor, M.; et al. (2004). "The CORALIE survey for southern extra-solar planets XII. Orbital solutions for 16 extra-solar planets discovered with CORALIE". Astronomy and Astrophysics 415 (1): 391–402. arXiv:astro-ph/0310316. Bibcode:2004A&A...415..391M. doi:10.1051/0004-6361:20034250.
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