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NGC 1901

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Open cluster in the constellation Dorado

NGC 1901
Observation data Epoch J2000 Equinox J2000
The open cluster NGC 1901
Constellation	Dorado
Right ascension	05^h 18^m 11.0^s^[1]^[2]
Declination	−68° 27′ 00″^[1]^[2]
Characteristics
Astrometry

Radial velocity (R_v)	-1.354 km/s
Distance	1,354 ly (415^[3] pc)

Details

Age	0.6^[4] Gyr

Other designations
ESO 56-SC91, OCL 791

NGC 1901 is anopen cluster in theDorado Constellation. It has a bright middle and is a little rich, with stars from 7th magnitude downwards. The celestial object was discovered on 30 December 1836 by theBritish astronomer John Herschel.^[5] The cluster is sparsely populated withGAIA data suggesting a membership of around 80 stars.^[6] It is considered unlikely it will survive its next pass through theMilky Way’s galactic plane in about 18 million years time.^[6]

References

[edit]

^^a ^b"NGC 1901". Simbad.
^^a ^b"NED results for object NGC 1901". NASA/IPAC Extragalactic Database. Retrieved24 July 2016.
^"WEBDA page for open cluster NGC 1901". WEBDA. Retrieved24 July 2016.
^Pavani, D. B.; Bica, E.; Dutra, C. M.; Dottori, H.; Santiago, B. X.; Carranza, G.; Díaz, R. J. (August 2001). "Open clusters or their remnants: B and V photometry of NGC 1901 and NGC 1252".Astronomy & Astrophysics.374 (2):554–563.arXiv:astro-ph/0106026.Bibcode:2001A&A...374..554P.doi:10.1051/0004-6361:20010741.ISSN 0004-6361.S2CID 119447371.
^"NGC 1901". Retrieved24 July 2016.
^^a ^bKos, Janez; de Silva, Gayandhi; Buder, Sven; Bland-Hawthorn, Joss; Sharma, Sanjib; Asplund, Martin; D’Orazi, Valentina; Duong, Ly; Freeman, Ken (2018-08-13)."The GALAH survey and Gaia DR2: (non-)existence of five sparse high-latitude open clusters".Monthly Notices of the Royal Astronomical Society.480 (4):5242–5259.arXiv:1807.00822.Bibcode:2018MNRAS.480.5242K.doi:10.1093/mnras/sty2171.ISSN 0035-8711.

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Astronomical catalog List of NGC objects 1001–2000

Constellation of Dorado

Stars

Bayer	α β γ δ ε ζ η¹ η² θ κ λ ν π¹ π²
Variable	R (P) S WZ AB BB
HR	1859 1917 2102
HD	27274 28254 30177 32034 33579 37836 37974 38282 269810 271182
Other	B90 BAT99-7 BAT99-66 BAT99-68 BAT99-98 BAT99-104 BAT99-123 BI 253 Gliese 163 HE 0437−5439 HV 888 IRAS 05280−6910 LHA 120-S 79 LH 41-1042 LH 54-425 LMC195-1 MACHO 80.7443.1718 Melnick 34 Melnick 42 PSR J0523−7125 PSR J0537−6910 PSR J0540−6919 R85 R99 R136 a a1 a2 a3 b c R139 R145 SGR 0525−66 TOI-700 TOI-813 VFTS 102 VFTS 243 VFTS 352 VFTS 682 WASP-62 (Naledi) WOH G64

Exoplanets	Gliese 163 c HD 28254 b HD 30177 b TOI-700 d e TOI-813 b TOI-4127 b

Star
clusters

NGC	1712 1755 1761 1763 1783 1806 1818 1820 1846 1847 1850 1852 1854/1855 1856 1858 1859 1860 1866 1868 1869 1871 1872 1873 1898 1901 1903 1910 1929 1935 1955 1969 1971 1974 1978 1983 1984 1994 1997 2001 2002 2003 2004 2005 2009 2011 2027 2040 2041 2070 2074 2100 2108 2164 2197 2241 2257
Other	Hodge 301 LH 95

Nebulae

NGC	1934 1936 2014 2020 2029 2032 2060 2078 2080
Other	Henize 70 Honeycomb Nebula N119 N11 N41 N44 N49 N55 SNR 0509−67.5 Tarantula Nebula (30)

Galaxies

NGC	1515 1533 1546 1549 1553 1566 1578 1581 1596 1602 1617 1672 1703 1892 1947 2082
Other	IC 2082 Large Magellanic Cloud (partly inMensa andHydrus) LEDA 89996

Galaxy clusters	Dorado Group NGC 1566 Group

Astronomical events	GRB 790305b SN 1987A Sanduleak −69 202