| 词条 | HD 87883 |
| 释义 |
| name = HD 87883 }}{{Starbox observe | epoch = J2000.0 | constell = Leo Minor | ra = {{RA|10|08|43.140}}[1] | dec = {{DEC|+34|14|32.13}}[1] | appmag_v = 7.56 }}{{Starbox character | class = K0V | appmag_1_passband = B | appmag_1 = 8.53 | appmag_2_passband = J | appmag_2 = 5.839 | appmag_3_passband = H | appmag_3 = 5.441 | appmag_4_passband = K | appmag_4 = 5.314 | r-i = | v-r = | b-v = 0.97 | u-b = | variable = }}{{Starbox astrometry | radial_v = +9.1 | prop_mo_ra = {{val|-64.04|0.53}}[1] | prop_mo_dec = {{val|-60.51|0.34}}[1] | parallax = 54.93 | p_error = 0.54 | parallax_footnote = [1] | absmag_v = 6.28 }}{{Starbox detail | mass = {{val|0.82|0.04}} | radius = {{val|0.76|0.03}} | gravity = 4.47 | luminosity = 0.32 | temperature = {{val|4980|44}} | metal_fe = {{val|0.093|0.04}} | age_gyr = 9.8 | rotation = }}{{Starbox catalog | names = BD+34°2089, HIP 49699, PPM 75021, SAO 61890 }}{{Starbox reference | Simbad = HD+87883 | ARICNS = 05698 | NSTED = HD+87883 | EPE = HD+87883 }}{{Starbox end}}HD 87883 is an 8th magnitude K-type main sequence star located approximately 59 light years away in the constellation Leo Minor. The age of this star is 9.8 billion years, compared with 4.6 billion years for our Sun. In August 2009, this star was found to have a radial velocity planet.{{OrbitboxPlanet begin | table_ref = }}{{OrbitboxPlanet | exoplanet = b | mass = ≥ {{val|1.78|0.34}} | period = {{val|2754|87}} | semimajor = {{val|3.6|0.08}} | eccentricity = {{val|0.53|0.12}} }}{{Orbitbox end}} See also
References1. ^1 2 3 4 5 {{cite journal | title=Validation of the new Hipparcos reduction | url=http://www.aanda.org/articles/aa/full/2007/41/aa8357-07/aa8357-07.html | last1=van Leeuwen | first1=F. | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653–664 | date=2007 | arxiv=0708.1752 | bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 }}Vizier catalog entry [1]}}{{Sky|10|08|43.1395|+|34|14|32.135|59.0}}{{Stars of Leo Minor}}{{main-star-stub}}{{extrasolar-planet-stub}} 6 : K-type main-sequence stars|Henry Draper Catalogue objects|Hipparcos objects|Leo Minor|Planetary systems|Durchmusterung objects |
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