Release 11.12 ("Hergest Ridge")


Gclusters :: Bibliographic item "gc402"

Article ID: gc402
AuthorAlcaino, G.
TitleThe globular cluster NGC 4833.
JournalAstronomy and Astrophysics, Vol. 13, p. 287 - 292
Year of publication1971 (on gclusters from 2013-11-12 18:02:07 )
AbstractA BV photometric investigation on the previously unstudied globular cluster NGC 4833 was carried out at the Cerro Tololo Inter-American Observatory with the 1.5 meter reflector. Forty-seven stars were observed photoelectrically to apparent magnitude V = 15.79. With this sequence 261 stars were calibrated photographically. The apparent distance modulus is (m-M)app=14.70. The reddening is E(B-V)=0.40. The true distance modulus is (m-M)0=13.50. The distance is 5012 pc from the Sun and 697 pc from the galactic plane. The gian branch rises 2.95 magnitude above the horizontal branch at (B-V)0=1.4, characteristic of a metal poor object.
CM diagram
TagsNGC 4833

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