16495+3149 GRV 938

 
 
16h 49m 30.36s +31 49' 56.1" P.A. 239 sep 29.8 mag 9.54,12.51 Sp G5
 
 
Coord 2000
16495+3149
Discov num
GRV 938
Comp
Coord arcsec 2000
16 49 30.36 +31 49 56.1
Date first
1902
Date last
2010
Obs
6
Pa first
238
Pa last
239
P.A. Now (θ)
239°
Sep first
29.8
Sep last
29.8
Sep. Now (ρ)
29.8"
Mag pri
9.54
Mag sec
12.51
delta mag (ΔM)
2.97
Spectral class
G5 (yellow)
Pri motion ra
-011
Sec motion ra
-016
Pri motion dec
+023
Sec motion dec
+022
Notes
rPM=0.187 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
238.6
Precise sep
29.84
Constellation
Hercules
SAO
65580
Tycho2
2589-01244-1
last precise pa
238.6
last precise sep
29.84
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16495+3149 GRV 938 2000 5 239 29.7 9.30 12.30 D 164930.36+314956.1
16495+3149 GRV 938 2002 6 239 29.9 9.30 12.30 D 164930.36+314956.1
16495+3149 GRV 938 2010 6 239 29.9 9.54 12.51 G5 164930.36+314956.1

If you need more information about this double, apply for a data request form to the WDS.