Lynga catalogue
Field Data
Cluster number (IAU) C0920-509
Old Cluster NGC
notation 2866
OCL number/Lund number 774 504
Right ascension (1950.0) 9 20.6
Declination (1950.0) -50 55
10 year prec. RA/Dec .34 -2.5
Galactic longitude 273.15
Galactic latitude -.78
Sky survey SERC
Chart type and number J 212
Centre of chart (RA,Dec) 9 30 -50
Pos. on chart x,y mm 253 123
Tr. cl. (ref. 19/320=a/b) I 2 m :b
Membership (320) 30
Angular diameter (320) 2.0
Selected angular diameter 2.0 ( 382)
Distance, weight 1901
Distance, reference 2600 ( 89)
E(B-V), v=var. 0.628
Turn-off col.,weight (jdl) -.08 w= 2
Derived log(age) 7.656
log(age), reference 7.80 ( 502)
Fe/H (jdl)
Radial velocity, weight
References 501 / 89
used by
Janes, Duke
and Lynga (jdl)
Number of member
stars with
peculiar
spectral
types
References for
peculiar
stars
Total V magnitude 10.2 ( 422)
Integrated B-V (422) .57
Number of obs. stars (422) 23
Richness class (265) 1
Earliest sp. cl. (50,37)
Mag of brightest star (50) 12.0
Galactic R and z 8800 -38
Linear diameter 1.5
Comment