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NGC 1755

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Open cluster in the constellation Dorado

NGC 1755
NGC 1755 (Hubble)
Observation data (J2000epoch)
Right ascension	04^h 55^m 16.390^s^[1]
Declination	−68° 12′ 23.12″^[1]
Distance	160,000^[2] ly (49,000 pc)
Absolute magnitude (V)	9.9^[3]
Apparent dimensions (V)	2.6′^[3]
Physical characteristics
Estimated age	80^[4] Myr
Other designations	ESO 56-SC28
Associations
Constellation	Dorado
See also:Open cluster,List of open clusters

NGC 1755 (also known asESO 56-SC28)^[3] is anopen star cluster in theLarge Magellanic Cloud in theDorado constellation. It is about 120 light years across and due to its size could be aglobular cluster.^[2] It has a diameter of 2.6′ and an apparent magnitude of 9.9.^[3] It was discovered byJames Dunlop in 1826.^[2]

References

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^^a ^b"NGC 1755".SIMBAD.Centre de données astronomiques de Strasbourg. Retrieved13 February 2021.
^^a ^b ^c"NGC 1755 (= an OCL in the LMC)". cseligman. Retrieved28 July 2015.
^^a ^b ^c ^d"Open cluster NGC 1755". dso-browser. Archived fromthe original on 24 October 2017. Retrieved28 July 2016.
^Milone, A. P.; Marino, A. F.; d'Antona, F.; Bedin, L. R.; Da Costa, G. S.; Jerjen, H.; MacKey, A. D. (2016)."Multiple stellar populations in Magellanic Cloud clusters. IV. The double main sequence of the young cluster NGC 1755".Monthly Notices of the Royal Astronomical Society.458 (4): 4368.arXiv:1603.03493.Bibcode:2016MNRAS.458.4368M.doi:10.1093/mnras/stw608.

External links

[edit]

Media related toNGC 1755 at Wikimedia Commons

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1601 to 1700	1602 1614 1616 1617 1620 1624 1633 1637 1642 1643 1647 1662 1664 1667/1689 1672 1683 1700
1701 to 1800	1701 1703 1705 1712 1714 1719 1721 1723 1725 1728 1741 1744 1746 1755 1761 1763 1783 1784 1788 1792
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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 (G) 2102
HD	27274 28254 30177 32034 33579 37836 37974 38029 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 LMC X-1 LMC X-3 LMC X-4 MACHO*05:34:41.3−69:31:39 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 R145 RX J0439.8−6809 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 1786 1806 1818 1820 1846 1847 1850 1852 1854 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 2210 2241 2257
Other	Hodge 301 LH 95

Nebulae

NGC	1714 1934 1936 1970 2014 2020 2029 2032 2035 2060 2078 2080 2081
Other	Henize 70 Honeycomb Nebula N11 N41 N44 N49 N55 N79 N119 SNR 0509−67.5 SNR 0519−69.0 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

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