18490+2213 GRV 241

 
 
18h 49m 02.68s +22 13' 59.3" P.A. 175 sep 27.2 mag 12.00,12.70
 
 
Coord 2000
18490+2213
Discov num
GRV 241
Comp
Coord arcsec 2000
18 49 02.68 +22 13 59.3
Date first
1951
Date last
2010
Obs
6
Pa first
173
Pa last
175
P.A. Now (θ)
175°
Sep first
28.2
Sep last
27.2
Sep. Now (ρ)
27.2"
Mag pri
12.00
Mag sec
12.70
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
+014
Sec motion ra
+011
Pri motion dec
-028
Sec motion dec
-018
Notes
U (Proper motion indicates non-physical)
rPM=0.334
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
175.1
Precise sep
27.22
Constellation
Hercules
last precise pa
175.1
last precise sep
27.22
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18490+2213 GRV 241 2000 2 175 27.4 12.00 12.70 D 184902.68+221359.3
18490+2213 GRV 241 2001 3 175 27.4 12.00 12.70 D 184902.68+221359.3
18490+2213 GRV 241 2010 6 175 27.2 12.00 12.70 U 184902.68+221359.3

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