HR 753

HD 16160，又名BD+06 398，SAO 110636、HR 753，是一颗位於鯨魚座的恒星，视星等为5.82，位于銀經163.39，銀緯-47.62，其B1900.0坐标为赤經2^h 30^m 35.7^s，赤緯+6° -47.62′ 35″。

HR 753

HR 753 A(左)和C(右).
观测数据 曆元 J2000      分点 J2000
星座	鯨魚座
HR 753 A
赤经	02h 36m 04.89466s[1]
赤纬	+06° 53′ 12.7466″[1]
星等 (V)	5.83[2]
HR 753 B
赤经	02h 36m 15.357s[3]
赤纬	+06° 52′ 19.14″[3]
星等 (V)	11.670[4]
HR 753 C
赤经	02h 36m 04.66s[5]
赤纬	+06° 53′ 14.8″[5]
星等 (V)	16.77[5]
特性
光谱分类	K3 V[2] + M7 V[6]
U−B 色指数	+0.800[7]
B−V 色指数	+0.972[7]
天体测定
HR 753 A
徑向速度 (Rv)	25.8 ± 0.1[8] km/s
自行 (μ)	赤经：7003177858500000000♠1778.585±0.430[9] mas/yr 赤纬：7003147730600000000♠1477.306±0.248[9] mas/yr
视差 (π)	138.3400 ± 0.3177[9] mas
距离	23.58 ± 0.05 ly (7.23 ± 0.02 pc)
绝对星等 (MV)	6.50[10]
HR 753 B
自行 (μ)	赤经：7003180167100000000♠1801.671±0.043[11] mas/yr 赤纬：7003145048700000000♠1450.487±0.038[11] mas/yr
视差 (π)	138.4371 ± 0.0420[11] mas
距离	23.56 ± 0.05 ly (7.223 ± 0.002 pc)
軌道[12]
繞行週期 (P)	76.107 ± 1.820 yr
半長軸 (a)	17.0 ± 0.7 au
偏心率 (e)	0.641 ± 0.004
倾斜角 (i)	45.5 ± 2.8°
升交点黃經 (Ω)	122.5 ± 3.4°
近心点 曆元 (T)	JD 2430414 ± 669
近心點幅角 (ω) (primary)	133.4 ± 0.6°
半振幅 (K1) (primary)	711.7 ± 2.2 km/s
詳細資料
HR 753 A
質量	0.70 ± 0.10[13] M☉
半徑	0.650 ± 0.053[2] R☉
表面重力 (log g)	4.40 ± 0.24[14]
亮度 (bolometric)	0.26[13] L☉
溫度	4777 ± 91[14] K
金属量 [Fe/H]	−0.03 ± 0.09[14] dex
HR 753 B
質量	0.246 ± 0.025[4] M☉
半徑	0.278 ± 0.010[4] R☉
溫度	3284 ± 60[4] K
其他命名
268 G. Cet, Gl 105, CCDM J02361+0653, BD+06° 398
參考資料庫
SIMBAD	Gl 105
	Gl 105 A
	Gl 105 B
	Gl 105 C
Gliese 105 HR 753在鯨魚座的位置

参考文献

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