HR 2096 - Misplaced Pages

Star in the constellation Auriga

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HD 40325
Observation data Epoch J2000 Equinox J2000
Constellation	Auriga
Right ascension	06 00 18.8991
Declination	+44° 35′ 31.246″
Apparent magnitude (V)	6.233
Characteristics
Spectral type	K2III+K0III
Astrometry

Radial velocity (R_v)	1.7 km/s
Proper motion (μ)	RA: -31.17 mas/yr Dec.: -38.71 mas/yr
Parallax (π)	8.94 ± 0.82 mas
Distance	360 ± 30 ly (110 ± 10 pc)
Absolute magnitude (M_V)	7.388

Details

Mass	0.8 `M`_☉
Radius	0.9 `R`_☉
Luminosity	0.4 `L`_☉
Temperature	3,500–5,000 K

Other designations
HIP 28438, HD 40325, SAO 40769, BD+44° 1332.
Database references
SIMBAD	data

HR 2096, also known as HD 40325 is a double star in the constellation Auriga. It is composed of two ageing orange giants of spectral types K0III and K2III. It is not a member of any known moving group of stars.

References

Stephenson, C. B. (1960). "A study of visual binaries having primaries above the main sequence". Astronomical Journal. 65: 60–79. Bibcode:1960AJ.....65...60S. doi:10.1086/108191.
Famaey, B.; Jorissen, A.; Luri, X.; Mayor, M.; Udry, S.; Dejonghe, H.; Turon, C. (2005). "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters". Astronomy and Astrophysics. 430: 165–186. arXiv:astro-ph/0409579. Bibcode:2005A&A...430..165F. doi:10.1051/0004-6361:20041272. S2CID 17804304.

Components

NAME	Right ascension	Declination	Apparent magnitude (V)	Spectral type	Database references
ADS 4576 C	06 00 17.5327	+44° 36' 03.07	10.2		Simbad

Constellation of Auriga

Stars

Bayer	α (Capella) β (Menkalinan) γ (Elnath) δ ε (Almaaz) ζ (Saclateni) η (Haedus) θ (Mahasim) ι (Hassaleh) κ λ (Alhurr) μ ν ξ ο π ρ σ τ υ φ χ ψ ψ ψ ψ ψ ψ ψ ψ ψ ω
Flamsteed	2 5 6 9 12 14 16 18 19 22 26 28 36 38 39 40 41 42 43 45 47 49 51 53 54 59 60 62 63 64 65 66 35 Cam
Variable	R T RT (48) RW SU UU WW AB AE AR (17) EO IQ IU LY MZ NO NY PU QZ V352 V361 V394 V420 V433 V538
HR	1558 1615 1738 1752 1794 1795 1822 1825 1866 1884 1938 1945 2028 2096 2137
HD	33203 33463 35619 43691 45350 (Lucilinburhuc) 49674 (Nervia)
Other	Gliese 268 HAT-P-9 (Tevel) KELT-2 MWC 480 SGR 0501+4516 UGPS J0521+3640 WASP-12

Exoplanets	HAT-P-9b (Alef) HD 40979 b HD 43691 b HD 45350 b HD 49674 b KELT-2Ab WASP-12b

Star
clusters

NGC	1664 1893 1907 1931 2240 2281
Other	Messier 36 Messier 37 Messier 38 Palomar 2

Nebulae

NGC	1985 2242
Other	IC 405 IC 2149 Westbrook Nebula

Galaxies	3C 147 4C +41.17 DA 193 MCG +08-11-011

Galaxy clusters	MACS J0717.5+3745