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|
HD 37289, also known as HR 1916, is a soli … HD 37289, also known as HR 1916, is a solitary, orange hued star located in the northern circumpolar constellation Camelopardalis. It has an apparent magnitude of 5.61, making it faintly visible to the naked eye under ideal conditions. Based on parallax measurements from the Gaia spacecraft, the object is estimated to be 308 light years distant. It appears to be approaching the Sun, having a heliocentric radial velocity of −20.7 km/s. HD 37289 has a stellar classification of K5 III, indicating that it is an evolved red giant. Gaia DR3 stellar evolution models place it on the red giant branch. This means that it is currently fusing a hydrogen shell around an inert helium core. At present it has 3.3 times the mass of the Sun and at the age of 293 million years, it has expanded to a radius of 13.6 R☉. It radiates at 70 times the luminosity of the Sun from its enlarged photosphere at an effective temperature of 4,360 K. HD 37289 has been calculated to have a metallicity approximately around solar level.allicity approximately around solar level.
, HD 37289，又名BD+65 485，SAO 13570、HR 1916，是一颗恒星，视星等为5.6，位于銀經147.32，銀緯17.88，其B1900.0坐标为赤經5h 32m 25s，赤緯+65° 17.88′ 37″。
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+1.01
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293
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5.61
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+1.24
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K5 III
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J2000.0
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2.29
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3.3
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0
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0.0594
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10.5949
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−21.572
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−0.243
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−20.7
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13.57
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4360
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| rdfs:comment |
HD 37289，又名BD+65 485，SAO 13570、HR 1916，是一颗恒星，视星等为5.6，位于銀經147.32，銀緯17.88，其B1900.0坐标为赤經5h 32m 25s，赤緯+65° 17.88′ 37″。
, HD 37289, also known as HR 1916, is a soli … HD 37289, also known as HR 1916, is a solitary, orange hued star located in the northern circumpolar constellation Camelopardalis. It has an apparent magnitude of 5.61, making it faintly visible to the naked eye under ideal conditions. Based on parallax measurements from the Gaia spacecraft, the object is estimated to be 308 light years distant. It appears to be approaching the Sun, having a heliocentric radial velocity of −20.7 km/s.eliocentric radial velocity of −20.7 km/s.
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| rdfs:label |
HD 37289
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