HD 23127 b is a jovian extrasolar planet orbiting the star HD 23127 at the distance of 2.29 AU, taking 3.32 years to orbit. The orbit is very eccentric...
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exoplanet named HD 21749 b; and an Earth-sized exoplanet named HD 21749 c. These exoplanets were discovered by the TESS spacecraft. HD 21749 is a K-type...
12 KB (1,091 words) - 03:20, 23 August 2024
HD 23127 is a star in the southern constellation of Reticulum. With an apparent visual magnitude of +8.58 it is not visible to the naked eye, but can be...
6 KB (437 words) - 20:07, 22 December 2023
in Australia using the method Doppler spectroscopy, along with HD 23127 b and HD 159868 b. The orbit had not yet been completely observed, so the values...
3 KB (204 words) - 19:29, 22 December 2023
Dutch-American astronomer Willem Jacob Luyten proposed that the G3V star HD 24293 formed a third component of this system, based upon similar proper motions...
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two-dimensional spectral types for the HD stars", University of Michigan Catalogue of two-dimensional spectral types for the HD stars. Volume I. Declinations -90_...
11 KB (846 words) - 21:26, 16 July 2024
P. (1979), Michigan catalogue of two-dimensional spectral types for the HD stars, vol. 1, Ann Arbor, Michigan: Dept. of Astronomy, University of Michigan...
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Horner, C.G. Tinney, R.P. Butler, H.R.A. Jones, Mikko Tuomi, G.S. Salter, B.D. Carter, F. Elliott Koch, S.J. O'Toole, J. Bailey, D. Wright Anglo-Australian...
5 KB (313 words) - 03:23, 24 November 2023
actually a lower limit. (See Minimum mass for more information) The companion to HD 131664 (discovered in 2008) has been shown to have a true mass much greater...
54 KB (1,040 words) - 03:31, 28 July 2024
P. (1979), Michigan catalogue of two-dimensional spectral types for the HD stars, vol. 1, Ann Arbor, Michigan: Dept. of Astronomy, University of Michigan...
8 KB (545 words) - 00:49, 23 August 2024
P. (1979), Michigan catalogue of two-dimensional spectral types for the HD stars, vol. 1, Ann Arbor, Michigan: Dept. of Astronomy, University of Michigan...
7 KB (555 words) - 20:41, 17 July 2024
P. (1978), Michigan catalogue of two-dimensional spectral types for the HD stars, vol. 1, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode:1975mcts...
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most massive exoplanet candidate is HD 217786 b, which masses 12.98 MJ; the least massive confirmed planet is HD 10180 b, which masses 0.004 MJ or 3.1 M🜨...
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Theta Reticuli (category B-type subgiants)
designated component A, has a stellar classification of B9IV, matching a B-type subgiant. It is 166 million years old with 3.4 times the mass of the...
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Hipparcos and Tycho Catalogues". Retrieved 2006-12-26. Kostjuk, N. D. (2002). "HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index". Retrieved 2006-12-26. Roman, N...
9 KB (140 words) - 12:14, 14 May 2023