Lynga catalogue
Field Data
Cluster number (IAU) C1744-301
Old Cluster Ruprecht
notation 130
OCL number/Lund number 034 775
Right ascension (1950.0) 17 44.4
Declination (1950.0) -30 06
10 year prec. RA/Dec .64 -.1
Galactic longitude 359.22
Galactic latitude -.98
Sky survey POSS
Chart type and number SO 90
Centre of chart (RA,Dec) 17 46 -30
Pos. on chart x,y mm 246 172
Tr. cl. (ref. 19/320=a/b) II 1 p :b
Membership (320) 20
Angular diameter (320) 3.0
Selected angular diameter 3.9 ( 396)
Distance, weight 2100
Distance, reference
E(B-V), v=var. 1.20
Turn-off col.,weight (jdl)
Derived log(age) 7.70
log(age), reference
Fe/H (jdl)
Radial velocity, weight
References
used by
Janes, Duke
and Lynga (jdl)
Number of member
stars with
peculiar
spectral
types
References for
peculiar
stars
Total V magnitude
Integrated B-V (422)
Number of obs. stars (422)
Richness class (265)
Earliest sp. cl. (50,37)
Mag of brightest star (50) 14.0
Galactic R and z
Linear diameter
Comment