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NGC 999

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Galaxy in the constellation Andromeda

NGC 999
DSS image of NGC 999
Observation data (J2000 epoch)
Constellation	Andromeda
Right ascension	02^h 38^m 47.46177^s^[1]
Declination	+41° 40′ 13.6652″^[1]
Redshift	0.015097^[2]
Heliocentric radial velocity	4492 km/s^[2]
Distance	195.0 Mly (59.80 Mpc)^[3]
Apparent magnitude (B)	14.5^[2]
Characteristics
Type	(R')SAB(s)a^[4]
Other designations
UGC 2127,MCG +07-06-047,PGC 10026,CGCG 539-066^[2]

NGC 999 is anintermediate spiral galaxy located in theconstellation Andromeda about 195 millionlight-years from theMilky Way.^[3] It was discovered by Frenchastronomer Edouard Stephan on 8 December 1871.^[5]

References

[edit]

^^a ^bBrown, 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.
^^a ^b ^c ^d"NGC 999".SIMBAD.Centre de données astronomiques de Strasbourg. Retrieved2020-06-03.
^^a ^bCrook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (2007). "Groups of Galaxies in the Two Micron All Sky Redshift Survey".The Astrophysical Journal.655 (2):790–813.arXiv:astro-ph/0610732.Bibcode:2007ApJ...655..790C.doi:10.1086/510201.S2CID 11672751.
^"Results for object NGC 0999 (NGC 999)".NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved2020-06-03.
^"Revised NGC Data for NGC 999".spider.seds.org. Retrieved2020-02-10.

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Astronomical catalog List of NGC objects (1–1000)

Constellation of Andromeda

Stars

Bayer	α (Alpheratz) β (Mirach) γ (Almach) δ ε ζ (Shimu) η (Kui) θ ι (Rasalnaqa) κ (Kaffalmusalsala) λ (Udkadua) μ ν ξ (Adhil) ο (Alfarasalkamil) π ρ σ τ υ (Titawin) φ (Junnanmen) χ ψ ω
Flamsteed	2 3 4 5 6 7 (Honores) 8 9 10 11 12 13 14 (Veritate) 15 18 22 23 26 28 32 36 39 41 44 45 47 49 (A) 51 (Nembus) 55 56 58 59 60 (b) 62 (c) 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	3765 16175 (Buna) 222155
Other	3XMM J004232.1+411314 ADS 48 Gliese 2 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	Andromeda Galaxy 32 110
NGC	11 13 19 20 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 Arp 273 Donatiello I IC 239 IERS B0125+487 QSO B0133+476 UGC 1840

Galaxy clusters	Abell 262 NGC 68 group

Astronomical events	GRB 101225A SN 1885A (S)

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See also

References