NGC 5749 - Misplaced Pages

Open cluster in the constellation Lupus

NGC 5749
NGC 5749 with DECaPS
Observation data (J2000 epoch)
Right ascension	14 48 49.(0)
Declination	−54° 30′ 0(7)″
Distance	3,548 ly (1,087.9 pc)
Apparent magnitude (V)	11.23
Apparent dimensions (V)	16.7′
Physical characteristics
Mass	20.8+24.0 −11.2 M_☉ `M`_☉
Radius	11.7 ± 2.9 ly (3.6 ± 0.9 pc) (tidal)
Estimated age	27.0 Myr
Other designations	NGC 5749, Cr 287, ESO 176-SC 004
Associations
Constellation	Lupus
See also: Open cluster, List of open clusters

NGC 5749 is an open cluster of stars positioned near the southwest border of the southern constellation of Lupus. It is located at a distance of 3,548 light years from the Sun. This is a poorly populated cluster that shows a low level of concentration; the Trumpler class is IV1p. There are 112 stars brighter than magnitude 14.4 within an angular radius of ~15′ of the cluster center, but only about 30% of these are members. NGC 5749 is 27 million years old with a tidal radius of 11.7 light years and a mass of ~21 M_☉. Polarization measurements suggest there is a dust cloud within the cluster.

References

^ Cantat-Gaudin, T.; Anders, F. (January 2020). "Clusters and mirages: cataloguing stellar aggregates in the Milky Way". Astronomy & Astrophysics. 633: 22. arXiv:1911.07075. Bibcode:2020A&A...633A..99C. doi:10.1051/0004-6361/201936691. S2CID 208138247. A99.
"NASA/IPAC Extragalactic Database". Results for NGC 5749. Retrieved 2007-04-06.
^ Piskunov, A. E.; et al. (January 2008). "Tidal radii and masses of open clusters". Astronomy and Astrophysics. 477 (1): 165–172. Bibcode:2008A&A...477..165P. doi:10.1051/0004-6361:20078525.
^ Medhi, Biman J.; Tamura, Motohide (April 2013). "Cluster membership probability: polarimetric approach". Monthly Notices of the Royal Astronomical Society. 430 (2): 1334–1343. arXiv:1212.6840. Bibcode:2013MNRAS.430.1334M. doi:10.1093/mnras/sts714.
"NGC 5749". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-12-28.
Vergne, M. M.; et al. (February 2007). "Optical multicolor polarization observations in the region of the open cluster NGC 5749". Astronomy and Astrophysics. 462 (2): 621–626. Bibcode:2007A&A...462..621V. doi:10.1051/0004-6361:20042124. hdl:11336/44582.
^ Claria, Juan J.; Lapasset, E. (October 1992). "New Color-Magnitude Diagrams and Basic Parameters of the Open Cluster NGC 5749". Acta Astronomica. 42: 343–353. Bibcode:1992AcA....42..343C.

External links

NGC 5749 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

v t e New General Catalogue 5500 to 5999
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Astronomical catalog List of NGC objects 5001–6000

New General Catalogue 5500 to 5999

Constellation of Lupus

Stars

Bayer	α β γ δ ε ζ η θ ι κ κ λ μ ν ν ξ ξ ο π ρ σ τ τ υ φ φ χ ψ ψ ω
Flamsteed	1 (i) 2 (f)
Variable	RU EX GG GQ HR II IL IM KT (d) V407
HR	5364 5401 5651 (e) 5724 (k) 5825 (g) 5943 5967
HD	134004 142527
Other	Gliese 588 HIP 70849 Lupus-TR-3 SAO 206462 SSSPM J1549-3544 WASP-132

Exoplanets	GQ Lupi b HIP 70849 b Lupus-TR-3b WASP-178b

Star clusters	NGC 5749 NGC 5822 NGC 5824 NGC 5927 NGC 5986

Nebulae	IC 4406 NGC 5882

Galaxies	NGC 5643