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HD 222399

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Double star in the constellation Andromeda

HD 222399
Observation data Epoch J2000 Equinox J2000
Constellation	Andromeda
Right ascension	23^h 40^m 02.8166^s^[1]
Declination	+37° 39′ 09.5064″^[1]
Apparent magnitude (V)	6.57^[2]
Characteristics
Spectral type	F2IV^[3]
U−Bcolor index	+0.10^[2]
B−Vcolor index	+0.35^[2]
Astrometry

Radial velocity (R_v)	−21.0±0.6^[4] km/s
Proper motion (μ)	RA: −8.490±0.042 [1]mas/yr Dec.: −81.051±0.037 [1]mas/yr
Parallax (π)	10.7133±0.0351 mas^[1]
Distance	304.4 ± 1.0 ly (93.3 ± 0.3 pc)

Details

Mass	1.77^[5] `M`_☉
Surface gravity (log g)	3.78^[5] cgs
Metallicity [Fe/H]	−0.04^[5] dex
Rotational velocity (v sin i)	55^[6] km/s
Age	1.4^[5] Gyr

Other designations
BD+36° 5098,HD 222399,HIP 116781,HR 8973,SAO 73422.
Database references
SIMBAD	data
Database references
SIMBAD	data

HD 222399 is adouble star in the northernconstellation ofAndromeda. The magnitude 6.57^[2] primary is an F-typesubgiant star with astellar classification of F2IV.^[3] It has a magnitude 10.57 companion at anangular separation of 14.7″ along aposition angle of 162° (as of 2002).^[7]

References

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^^a ^b ^c ^d ^eBrown, A. G. A.; et al. (Gaia collaboration) (August 2018)."Gaia Data Release 2: Summary of the contents and survey properties".Astronomy & Astrophysics.616. A1.arXiv:1804.09365.Bibcode:2018A&A...616A...1G.doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source atVizieR.
^^a ^b ^c ^dDanziger, I. J.; Dickens, R. J. (July 1967), "Spectrophotometry of New Short-Period Variable Stars",Astrophysical Journal,149: 55,Bibcode:1967ApJ...149...55D,doi:10.1086/149231
^^a ^bCowley, Anne; Fraquelli, Dorothy (February 1974), "MK Spectral Types for Some Bright F Stars",Publications of the Astronomical Society of the Pacific,86 (509): 70,Bibcode:1974PASP...86...70C,doi:10.1086/129562.
^Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system".Astronomy Letters.32 (11):759–771.arXiv:1606.08053.Bibcode:2006AstL...32..759G.doi:10.1134/S1063773706110065.S2CID 119231169.
^^a ^b ^c ^dCasagrande, L.; et al. (2011). "New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s). Improved astrophysical parameters for the Geneva-Copenhagen Survey".Astronomy & Astrophysics.530 (A138): 21.arXiv:1103.4651.Bibcode:2011A&A...530A.138C.doi:10.1051/0004-6361/201016276.S2CID 56118016.
^Royer, F.; Zorec, J.; Gómez, A. E. (February 2007), "Rotational velocities of A-type stars. III. Velocity distributions",Astronomy and Astrophysics,463 (2):671–682,arXiv:astro-ph/0610785,Bibcode:2007A&A...463..671R,doi:10.1051/0004-6361:20065224,S2CID 18475298
^Mason, B. D.; et al. (2014),"The Washington Visual Double Star Catalog",The Astronomical Journal,122 (6): 3466,Bibcode:2001AJ....122.3466M,doi:10.1086/323920, retrieved2015-07-22

External links

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Image HD 222399

Constellation of Andromeda

Stars

Bayer	α (Alpheratz) β (Mirach) γ (Almach) δ ε ζ (Shimu) η θ ι κ λ μ ν ξ (Adhil) ο π ρ σ τ υ (Titawin) φ χ ψ ω A b c
Flamsteed	2 3 4 5 6 7 8 9 10 11 12 13 14 (Veritate) 15 18 22 23 26 28 32 36 39 41 44 45 47 51 (Nembus) 55 56 58 59 63 64 65 66 6 Per
Variable	R T U W Z RT RV RX SU SW TU TW WZ XZ AB AC AD AE AF AR BM BX CC CG CN DS DX EG ET EU FF GO GP GQ GX GR GY HH HN IW KK KX KZ LL LN LP LQ OP OS OU PX PY QR QV QX V385 V428 V439 V455 V529 V807
HR	1 40 56 78 104 122 134 178 275 282 283 289 379 410 483 687 746 748 8884 8925 8950 8962 8973 9011 9074 9075 9105
HD	16175 (Buna) 222155
Other	3XMM J004232.1+411314 ADS 48 HAT-P-6 (Sterrennacht) HAT-P-16 HAT-P-19 HAT-P-28 M31-RV KELT-1 NGC 82 NGC 84 NGC 91 NGC 162 NGC 464 Qatar-3 Qatar-4 Qatar-5 PA-99-N2 WASP-1 WISE 0146+4234 WISE J0005+3737 WISE J004945.61+215120.0

Exoplanets	14 Andromedae b κ Andromedae b υ Andromedae b c d Gliese 15 Ab c HD 13931 b HD 16175 b HAT-P-6b HAT-P-32b WASP-1b WASP-33b Qatar-4b Qatar-5b

Star
clusters

NGC	206 272 752 956 7686
Other	Mayall II RBC EXT8

Nebulae

NGC	7662

Galaxies

Messier	32 110
NGC	11 13 19 21 27 39 43 48 49 51 67 68 69 70 71 72 74 76 79 80 81 83 85 86 90 93 94 96 97 108 109 112 140 149 160 169 181 183 184 214 218 226 228 229 233 243 252 258 260 262 280 304 317 389 393 404 425 431 477 512 513 523 528 531 536 542 561 605 620 668 679 687 700 703 704 705 708 709 710 712 714 717 721 732 753 759 801 812 834 891 906 910 911 912 913 920 937 980 995 996 999 1000 7640 7836
Numbered	I II III IV V VIII IX X XI XVIII XIX XXI
Other	3C 66A 3C 66B Andromeda Galaxy Arp 273 Donatiello I IC 239 UGC 1840

Galaxy clusters	Abell 262 NGC 68 group

Astronomical events	GRB 101225A SN 1885A (S)