| 词条 | Kepler-26 |
| 释义 |
| name = Kepler-26 }}{{Starbox observe | epoch = J2000 | constell = Lyra[1] | ra = {{RA|18|59|45.8407}} | dec = {{Dec|+46|33|59.438}} | appmag_v = 15.473[2] }}{{Starbox character | class = K[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|9.540|0.053}} | prop_mo_dec = {{val|−13.961|0.055}} | parallax = 2.9537 | p_error = 0.0270 | parallax_footnote = | absmag_v = }}{{Starbox detail | mass = {{nowrap|0.65}}[2] | radius = {{nowrap|0.59}}[2] | luminosity = {{nowrap|0.1}}[2] | habitable zone = {{nowrap|}}[2] | temperature = {{nowrap|4500}}[2] | metal_fe = {{nowrap|-0.21}}[2] | rotation = {{val|17.918|0.005|s= days}}[15] | rotational_velocity = {{nowrap|1.9}}[2] | age = }}{{Starbox catalog | names = KOI-250, KIC 9757613, 2MASS J18594583+4633595 }}{{Starbox reference | Simbad = Kepler-26 | KIC = 9757613 }}{{Starbox end}} Kepler-26 is a star in the northern constellation of Lyra. It is located at the celestial coordinates: Right Ascension {{RA|18|59|45.839}} Declination {{Dec|+46|33|59.54}}.[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 = 0.039 | period = 3.543919 | radius_earth = 1.07 }}{{OrbitboxPlanet | exoplanet = b | mass = 0.38 | semimajor = 0.085 | period = 12.2829 | radius_earth = 3.59 }}{{OrbitboxPlanet | exoplanet = c | mass = 0.38 | semimajor = 0.107 | period = 17.2513 | radius_earth = 3.58 }}{{OrbitboxPlanet | exoplanet = e | mass = | semimajor = 0.22 | period = 46.827915 | radius_earth = 2.41 }}{{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 7 8 {{citation | title=Kepler-26b | publisher=NASA Ames Research Center | url=http://kepler.nasa.gov/Mission/discoveries/kepler25b/ | accessdate=2011-12-06 }} 3. ^1 {{citation |first1=Jean |last1=Schneider |title=Star: Kepler-26 |work=Extrasolar Planets Encyclopaedia |publisher=Paris Observatory |url=http://exoplanet.eu/star.php?st=Kepler-26 |accessdate=2013-12-18 |deadurl=yes |archiveurl=https://web.archive.org/web/20120505101850/http://exoplanet.eu/star.php?st=Kepler-26 |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 | url=http://iopscience.iop.org/article/10.1088/2041-8205/775/1/L11/meta | 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|18|59|45.839|+|46|33|59.54}}{{Stars of Lyra}} 5 : Kepler-26|Lyra (constellation)|K-type main-sequence stars|Kepler Objects of Interest|Planetary transit variables |
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