Trumpler 10

Trumpler 10
Observation data (J2000 epoch)
Right ascension08h 47m 54s[1][2]
Declination−42° 29′ 27″[1]
Distance1,100 ly (337.25 pc)
Apparent magnitude (V)4.6
Physical characteristics
Estimated age38-47 million years[citation needed]
Other designationsTrumpler 10, Cr 203, C 0846-423, Dunlop 490
Associations
ConstellationVela
See also: Open cluster, List of open clusters
Open star cluster Trumpler 10 and its surroundings

Trumpler 10 (also known as C 0846-423) is an open cluster located in the constellation Vela. It was possibly discovered by Nicolas Louis de Lacaille in 1751-52, as the cluster's location data matches well with No. II.6 in his catalog. The cluster was also officially discovered by James Dunlop in 1826 and rediscovered independently by R.J. Trumpler in 1903.[3]

A photometric investigation was performed in 1962 which studied 29 stars within the cluster and determined 19 additional possible members. In the study, a minimum age of 3×107 (30 million) years and a distance of 420 parsecs were derived.[4]

References

  1. ^ a b "Trumpler 10". WEBDA. Retrieved 10 March 2011.
  2. ^ "C 0846-423 -- Open (galactic) Cluster". SIMBAD. Retrieved 10 March 2011.
  3. ^ "Trumpler 10". SEDS. Retrieved 10 March 2011.
  4. ^ Levato, Hugo; Malaroda (February 1975). "Spectral Types in Trumpler 10". Publ. Astron. Soc. Pac. 87: 173–175. Bibcode:1975PASP...87..173L. doi:10.1086/129741.


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