NGC 4755 in BinoSky, a guide to astronomy with binoculars.


BinoSky - best bets for stargazing with binoculars

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Open cluster NGC4755 in Crux

A map of the star field. Magnitudes are given without a decimal point, e.g. 67 is to be interpreted as magnitude 6.7.

Data (Janes, Duke, and Lynga, 1987)

RA 12 54

dec -60 22

total V magnitude 4.2

NGC number 4755

Trumpler class I 3 r

angular diameter 10'

distance ~1500 pc

age (Myr) 24

integrated B-V .31

observed stars 218

earliest sp. class B2

brightest star 7.0

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	A map of the star field. Magnitudes are given without a decimal point, e.g. 67 is to be interpreted as magnitude 6.7.

Data (Janes, Duke, and Lynga, 1987)
RA	12 54
dec	-60 22
total V magnitude	4.2
NGC number	4755
Trumpler class	I 3 r
angular diameter	10'
distance	~1500 pc
age (Myr)	24
integrated B-V	.31
observed stars	218
earliest sp. class	B2
brightest star	7.0