18416+3503 GRV 237

 
 
18h 41m 40.31s +35 03' 24.9" P.A. 176 sep 57.9 mag 12.20,13.40
 
 
Coord 2000
18416+3503
Discov num
GRV 237
Comp
Coord arcsec 2000
18 41 40.31 +35 03 24.9
Date first
1945
Date last
2013
Obs
5
Pa first
175
Pa last
176
P.A. Now (θ)
176°
Sep first
59.3
Sep last
57.9
Sep. Now (ρ)
57.9"
Mag pri
12.20
Mag sec
13.40
delta mag (ΔM)
1.2
Spectral class
Pri motion ra
+016
Sec motion ra
+013
Pri motion dec
-027
Sec motion dec
-017
Notes
rPM=0.333
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
175.5
Precise sep
57.89
Constellation
Lyra
last precise pa
175.5
last precise sep
57.89
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18416+3503 GRV 237 2000 3 175 58.4 12.20 13.40 D 184140.31+350324.9
18416+3503 GRV 237 2002 4 175 58.3 12.20 13.40 D 184140.31+350324.9
18416+3503 GRV 237 2013 4 176 57.9 12.20 13.40 184140.31+350324.9

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