HD 221246

HD 221246 or NGC 7686 1
Observation data Epoch J2000 Equinox J2000
Constellation	Andromeda
Right ascension	23^h 30^m 07.41387^s^[1]
Declination	+49° 07′ 59.3190″^[1]
Apparent magnitude (V)	6.17^[2]
Characteristics
Spectral type	K3III^[3]
U−B color index	1.71^[2]
B−V color index	1.46^[2]
Astrometry

Radial velocity (R_v)	+6.0^[4] km/s
Proper motion (μ)	RA: 7001289400000000000♠28.94±0.32^[1] mas/yr Dec.: 7000279999999999999♠2.80±0.41^[1] mas/yr
Parallax (π)	3.61 ± 0.50^[1] mas
Distance	approx. 900 ly (approx. 280 pc)

Details

Radius	48^[5] R_☉

Other designations
BD+48° 4070, FK5 3882, HD 221246, HIP 115996, HR 8925, NGC 7686 1, SAO 53088.
Database references
SIMBAD	data

HD 221246 or NGC 7686 1 is a giant star in open cluster NGC 7686, and it belongs to the northern constellation of Andromeda.

References

1 2 3 4 5 van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
1 2 3 Johnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory, 4 (99), Bibcode:1966CoLPL...4...99J
↑ Shenavrin, V. I.; et al. (2011). "Search for and study of hot circumstellar dust envelopes". Astronomy Reports. 55 (1): 31–81. Bibcode:2011ARep...55...31S. doi:10.1134/S1063772911010070.
↑ Wilson, R. E. (1953), General Catalogue of Stellar Radial Velocities, Carnegie Institute of Washington, D.C., Bibcode:1953GCRV..C......0W.
↑ Pasinetti Fracassini, L. E.; et al. (2001), "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics", Astronomy & Astrophysics, 367: 521–24, arXiv:astro-ph/0012289, Bibcode:2001A&A...367..521P, doi:10.1051/0004-6361:20000451

Bayer	α (Alpheratz) β (Mirach) γ (Almach) δ ε ζ η θ ι κ λ μ ν ξ (Adhil) ο π ρ σ τ υ (Titawin) φ χ ψ ω

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 49 51 55 56 58 59 60 62 63 64 65 66 6 Per

Variable	R S T U W X Y Z RR RS RT RU RV RW RX RY SS ST SU SW TU TW VX WZ XX XZ AB AC AD AE AF AR BM BX CC CG CN DS DX EG ET EU FF GO GP GR GY HN KK KX KZ LL LN LP LQ OP OS OU PX PY QR QX V385 V455 V529

HR	1 8 17 36 40 44 52 53 56 71 75 78 79 104 110 122 134 152 156 157 178 205 249 272 275 282 283 289 355 372 376 379 396 409 415 452 483 495 504 518 521 551 552 556 619 647 653 671 673 679 687 746 748 756 768 769 8744 8801 8837 8857 8875 8884 8925 8927 8941 8950 8955 8962 8973 8977 8986 9011 9053 9057 9074 9086 9105 9107

HD	800 8673 11884 13931 14633 15082 16175 217731 218365 218393 218915 222155

Other	ADS 48 Groombridge 34 (GX/GQ) HAT-P-6 HAT-P-16 HAT-P-19 HAT-P-28 HAT-P-32 M31V J004437.99+412923.6 NGC 44 PSR B2303+46 PSR J0218+4232 Ross 248 (HH) WASP-1 WISE 0146+4234

Planetary	M 1-1 NGC 7662

Messier	31 32 110

NGC	5 11 13 19 20 27 29 39 43 48 49 51 67 67A 68 69 70 71 72 72A 74 76 79 80 81 83 85 86 90 93 94 96 97 108 109 112 140 149 160 169 181 183 184 214 218 226 228 229 233 243 252 258 260 262 266 280 304 317 389 393 404 425 431 477 512 513 528 529 531 536 537 542 551 561 562 573 590 591 605 620 662 668 679 687 700 703 704 705 708 709 710 712 714 717 721 732 746 753 759 797 801 812 818 828 834 841 845 846 891 898 906 909 910 911 912 913 914 920 923 933 937 946 980 982 995 996 999 1000 7440 7445 7446 7449 7618 7640 7707 7831 7836

Other	Andromeda I Andromeda III Andromeda IV Andromeda V Andromeda VIII Andromeda IX Andromeda X Andromeda XI Andromeda XII Andromeda XXI B2 0206+35 3C 13 3C 46 3C 65 3C 66A 3C 66B IRAS 23365+3604 QSO B0133+476

Other

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