| 词条 | HD 199442 |
| 释义 |
| name=HD 199442 }}{{Starbox observe | epoch=J2000 | ra={{RA|20|57|10.57663}} | dec={{DEC|+00|27|49.6073}} | appmag_v=6.065[3] | constell=Aquarius }}{{Starbox character | class=K2III[3] | b-v=+1.22[5] | u-b=+1.29[5] | variable= }}{{Starbox astrometry | radial_v=−26.47[3] | prop_mo_ra=+10.70 | prop_mo_dec=−62.77 | parallax=10.64 | p_error=0.44 | parallax_footnote= | absmag_v= }}{{Starbox detail | mass=1.20[3] | radius= | luminosity=1.65[3] | temperature=4,605[3] | metal_fe=0.19[3] | gravity=2.49[3] | rotational_velocity=2.7[16] | age_gyr= }}{{Starbox catalog | }}{{Starbox reference | Simbad=HD+199442 }}{{Starbox end}} HD 199442 is a giant star situated in the Aquarius constellation. It is located about 310 light years from the solar system. References1. ^1 2 3 4 5 6 7 8 {{citation | last1=Luck | first1=R. Earle | last2=Heiter | first2=Ulrike | title=Giants in the Local Region | journal=The Astronomical Journal | volume=133 | issue=6 | pages=2464–2486 | date=June 2007 | doi=10.1086/513194 | bibcode=2007AJ....133.2464L}} [1][2][3]2. ^1 {{citation | display-authors=1 | last1=Massarotti | first1=Alessandro | last2=Latham | first2=David W. | last3=Stefanik | first3=Robert P. | last4=Fogel | first4=Jeffrey | title=Rotational and radial velocities for a sample of 761 HIPPARCOS giants and the role of binarity | journal=The Astronomical Journal | volume=135 | issue=1 | pages=209–231 | date=January 2008 | doi=10.1088/0004-6256/135/1/209 | bibcode=2008AJ....135..209M}} 3. ^1 2 {{citation | last1=Mermilliod | first1=J.-C. | title=Compilation of Eggen's UBV data, transformed to UBV (unpublished) | journal=Catalogue of Eggen's UBV data. SIMBAD | date=1986 | bibcode=1986EgUBV........0M}} }} External links
6 : Aquarius (constellation)|Henry Draper Catalogue objects|Hipparcos objects|K-type giants|HR objects|Durchmusterung objects |
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