NGC 5749

NGC 5749
NGC 5749 with DECaPS
Observation data (J2000 epoch)
Right ascension14h 48m 49.(0)s[1]
Declination−54° 30′ 0(7)″[2]
Distance3,548 ly (1,087.9 pc)[1]
Apparent magnitude (V)11.23
Apparent dimensions (V)16.7′[1]
Physical characteristics
Mass20.8+24.0
−11.2 M☉[3] M☉
Radius11.7 ± 2.9 ly (3.6 ± 0.9 pc)[3] (tidal)
Estimated age27.0 Myr[4]
Other designationsNGC 5749, Cr 287, ESO 176-SC 004[5]
Associations
ConstellationLupus
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.[1] This is a poorly populated cluster that shows a low level of concentration;[6] the Trumpler class is IV1p.[7] 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.[7] NGC 5749 is 27[4] million years old with a tidal radius of 11.7 light years and a mass of ~21 M☉.[3] Polarization measurements suggest there is a dust cloud within the cluster.[1]

  1. ^ a b c d e Cite error: The named reference Cantat-Gaudin_Anders_2020 was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference ned was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference Piskunov_et_al_2008 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference Medhi_Tamura_2013 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Vergne_et_al_2007 was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference Claria_Lapasset_1992 was invoked but never defined (see the help page).