词条 | Kepler-24 |
释义 |
| name = Kepler-24 }}
}-> {{Starbox observe| epoch = J2000 | constell = Lyra[1] | ra = {{RA|19|21|39.1858}} | dec = {{DEC|+38|20|37.450}} | appmag_v = 15.5[2] }}{{Starbox character | class = G5[3] | appmag_1_passband = | appmag_1 = | appmag_2_passband = | appmag_2 = | appmag_3_passband = | appmag_3 = | appmag_4_passband = | appmag_4 = | appmag_5_passband = | appmag_5 = | r-i = | v-r = | b-v = | u-b = | variable = }}{{Starbox astrometry | radial_v = | prop_mo_ra = {{val|−2.227|0.044}} | prop_mo_dec = {{val|−1.825|0.042}} | parallax = 0.8361 | p_error = 0.0238 | parallax_footnote = | absmag_v = }}{{Starbox detail | mass = {{nowrap|1.11}}[2] | radius = {{nowrap|1.07 ± 0.16}}[2] | luminosity = {{nowrap|0.79 ± 0.04}}[2] | temperature = {{nowrap|5800 ± 200}}[2] | metal_fe = {{nowrap|–0.24 ± 0.40}}[2] | rotation = {{val|10.080|0.154|s= days}}[14] | age = }}{{Starbox catalog | names = KOI-1102, KIC 3231341, 2MASS J19213918+3820375 }}{{Starbox reference | Simbad = Kepler-24 | KIC = 3231341 }}{{Starbox end}} Kepler-24 is a star in the northern constellation of Lyra. It is located at the celestial coordinates: Right Ascension {{RA|19|21|39.0}}, Declination {{DEC|+38|20|37}}.[4] With an apparent visual magnitude of 15.5,[2] this star is too faint to be seen with the naked eye. {{OrbitboxPlanet begin| table_ref = [3] }}{{OrbitboxPlanet | exoplanet = d | mass = | semimajor = 0.051 | period = 4.244384 | radius_earth = 1.67 }}{{OrbitboxPlanet | exoplanet = b | mass = < 1.6 | semimajor = 0.106 | period = 8.1453 | radius_earth = 2.4 }}{{OrbitboxPlanet | exoplanet = c | mass = < 1.6 | semimajor = 0.068 | period = 12.3335 | radius_earth = 2.8 }}{{OrbitboxPlanet | exoplanet = e | mass = | semimajor = 0.138 | period = 18.998355 | radius_earth = 2.78 }}{{Orbitbox end}} References1. ^{{citation | contribution=Lyra – constellation boundary | title=The Constellations | publisher=International Astronomical Union | url=http://www.iau.org/public/constellations/#lyr | accessdate=2011-12-15 }} Gaia Data Release 2 Vizier catalog entry[5]2. ^1 2 3 4 5 6 {{citation | title=Kepler-24b | publisher=NASA Ames Research Center | url=http://kepler.nasa.gov/Mission/discoveries/kepler24b/ | accessdate=2011-12-06 }} 3. ^1 {{citation |first1=Jean |last1=Schneider |title=Star: Kepler-24 |work=Extrasolar Planets Encyclopaedia |publisher=Paris Observatory |url=http://exoplanet.eu/star.php?st=Kepler-24 |accessdate=2013-12-18 |deadurl=yes |archiveurl=https://web.archive.org/web/20120505102332/http://exoplanet.eu/star.php?st=Kepler-24 |archivedate=2012-05-05 |df= }} 4. ^{{cite web |title=Kepler Discoveries |date=2011-12-05 |url=http://kepler.nasa.gov/Mission/discoveries/ }} 5. ^1 {{cite journal | title=Stellar Rotation Periods of The Kepler objects of Interest: A Dearth of Close-In Planets Around Fast Rotators | last1=McQuillan | first1=A. | last2=Mazeh | first2=T. | last3=Aigrain | first3=S. | journal=The Astrophysical Journal Letters | volume=775 | issue=1 | at=L11 | year=2013 | arxiv=1308.1845 | bibcode=2013ApJ...775L..11M | doi=10.1088/2041-8205/775/1/L11 }} }}{{Sky|19|21|39.0|+|38|20|37}}{{Stars of Lyra}}{{main-star-stub}} 6 : Kepler-24|Lyra (constellation)|G-type main-sequence stars|Kepler Objects of Interest|Planetary transit variables|Planetary systems with four confirmed planets |
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