Lynga catalogue
Field Data
Cluster number (IAU) C2322+613
Old Cluster NGC
notation 7654
OCL number/Lund number 260 1034
Right ascension (1950.0) 23 22.0
Declination (1950.0) +61 19
10 year prec. RA/Dec .45 3.3
Galactic longitude 112.76
Galactic latitude .46
Sky survey POSS
Chart type and number O 1173
Centre of chart (RA,Dec) 23 28 60
Pos. on chart x,y mm 236 217
Tr. cl. (ref. 19/320=a/b) II 2 r :b
Membership (320) 100
Angular diameter (320) 15
Selected angular diameter 12 ( 38)
Distance, weight 1421
Distance, reference 1470 ( 120)
E(B-V), v=var. 0.646
Turn-off col.,weight (jdl) -.06 w= 1
Derived log(age) 7.764
log(age), reference 7.55 ( 304)
Fe/H (jdl)
Radial velocity, weight -35 w= 2
References 209 / 172
used by
Janes, Duke
and Lynga (jdl)
Number of member 1 Of star
stars with 5 Be stars
peculiar 1 Cepheid
spectral
types
References for 409 / 410
peculiar 102 / 338
stars
Total V magnitude 6.9 ( 422)
Integrated B-V (422) .70
Number of obs. stars (422) 173
Richness class (265) 2
Earliest sp. cl. (50,37) B 6 B 7
Mag of brightest star (50) 11.0
Galactic R and z 9210 12
Linear diameter 5.6
Comment