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37 Comae Berenices, som är stjärnans Flams … 37 Comae Berenices, som är stjärnans Flamsteed-beteckning, eller LU Comae Berenices, är en eruptiv variabel av RS Canum Venaticorum-typ (RS:) i stjärnbilden Berenikes hår. Den har en högsta skenbar magnitud på ca 4,88 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 4,7 mas, beräknas den befinna sig på ett avstånd på ca 690 ljusår (ca 210 parsek) från solen. Stjärnan rör sig närmare solen med en heliocentrisk radiell hastighet av ca -14 km/s. Den ligger på gränsen mellan stjärnbilderna Berenikes hår och Jakthundarna och fick byta tillhörighet vid översynen av gränser mellan stjärnbilderna år 1930. Den benämndes före översynen 13 Canum Venaticorum,mndes före översynen 13 Canum Venaticorum,
, 37 Волос Вероники (лат. 37 Comae Berenices … 37 Волос Вероники (лат. 37 Comae Berenices), 13 Гончих Псов (лат. 13 Canum Venaticorum), LU Волос Вероники (лат. LU Comae Berenices), HD 112989 — кратная звезда в созвездии Волосы Вероники на расстоянии приблизительно 694 световых лет (около 213 парсеков) от Солнца.етовых лет (около 213 парсеков) от Солнца.
, 37 Comae Berenices is a variable star syst … 37 Comae Berenices is a variable star system located around 690 light years away from the Sun in the northern constellation of Coma Berenices. It has the variable star designation LU Comae Berenices. 37 Comae Berenices was a later Flamsteed designation of 13 Canum Venaticorum. This object is visible to the naked eye as a faint, yellow-hued star with a baseline apparent visual magnitude of 4.88. It is drifting closer to the Earth with a heliocentric radial velocity of −14 km/s. Tokovinin (2008) catalogued this as a wide triple star system. The primary component is an aging giant star, currently in the Hertzsprung gap, with a stellar classification of G9 III CH-2 CN-1. It is a , a luminous giant star with a carbon abundance about a factor of 5 lower than is typical for such stars. This is a variable star most likely of the RS CVn type with an amplitude of 0.15 in magnitude, and it displays magnetic activity. It has 5.25 times the mass of the Sun and, having exhausted the supply of hydrogen at its core, has expanded to 38 times the Sun's radius.has expanded to 38 times the Sun's radius.
, 周鼎二 （37 Com / 后发座37）是后发座的一颗恒星，光谱型为G9III C。 又名BD+31 2434，HD 112989、SAO 63288、HR 4924，是后髮座的一颗恒星，视星等为4.9，位于銀經95.6，銀緯85.86，其B1900.0坐标为赤經12h 55m 29.3s，赤緯+31° 85.86′ 28″。
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37 Comae Berenices is a variable star syst … 37 Comae Berenices is a variable star system located around 690 light years away from the Sun in the northern constellation of Coma Berenices. It has the variable star designation LU Comae Berenices. 37 Comae Berenices was a later Flamsteed designation of 13 Canum Venaticorum. This object is visible to the naked eye as a faint, yellow-hued star with a baseline apparent visual magnitude of 4.88. It is drifting closer to the Earth with a heliocentric radial velocity of −14 km/s. heliocentric radial velocity of −14 km/s.
, 37 Волос Вероники (лат. 37 Comae Berenices … 37 Волос Вероники (лат. 37 Comae Berenices), 13 Гончих Псов (лат. 13 Canum Venaticorum), LU Волос Вероники (лат. LU Comae Berenices), HD 112989 — кратная звезда в созвездии Волосы Вероники на расстоянии приблизительно 694 световых лет (около 213 парсеков) от Солнца.етовых лет (около 213 парсеков) от Солнца.
, 37 Comae Berenices, som är stjärnans Flams … 37 Comae Berenices, som är stjärnans Flamsteed-beteckning, eller LU Comae Berenices, är en eruptiv variabel av RS Canum Venaticorum-typ (RS:) i stjärnbilden Berenikes hår. Den har en högsta skenbar magnitud på ca 4,88 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 4,7 mas, beräknas den befinna sig på ett avstånd på ca 690 ljusår (ca 210 parsek) från solen. Stjärnan rör sig närmare solen med en heliocentrisk radiell hastighet av ca -14 km/s. Den ligger på gränsen mellan stjärnbilderna Berenikes hår och Jakthundarna och fick byta tillhörighet vid översynen av gränser mellan stjärnbilderna år 1930. Den benämndes före översynen 13 Canum Venaticorum,mndes före översynen 13 Canum Venaticorum,
, 周鼎二 （37 Com / 后发座37）是后发座的一颗恒星，光谱型为G9III C。 又名BD+31 2434，HD 112989、SAO 63288、HR 4924，是后髮座的一颗恒星，视星等为4.9，位于銀經95.6，銀緯85.86，其B1900.0坐标为赤經12h 55m 29.3s，赤緯+31° 85.86′ 28″。
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37 Волос Вероники
, 37 Comae Berenices
, 周鼎二
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