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
Cdsa2 id
GRV 241
Constellation
Hercules
Ra deg
18.81741111111111
De deg
22.233138888888888
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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