18478+3954 GRV 240

 
 
18h 47m 48.08s +39 54' 35.0" P.A. 43 sep 15.6 mag 11.10,11.80
 
 
Coord 2000
18478+3954
Discov num
GRV 240
Comp
Coord arcsec 2000
18 47 48.08 +39 54 35.0
Date first
1894
Date last
2010
Obs
6
Pa first
44
Pa last
43
P.A. Now (θ)
43°
Sep first
15.2
Sep last
15.6
Sep. Now (ρ)
15.6"
Mag pri
11.10
Mag sec
11.80
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
+019
Sec motion ra
+018
Pri motion dec
+029
Sec motion dec
+031
Notes
rPM=0.062 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
43
Precise sep
15.6
Constellation
Lyra
Tycho2
3122-00278-1
last precise pa
43
last precise sep
15.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18478+3954 GRV 240 2000 5 43 15.6 11.10 11.80 D 184748.08+395435.0
18478+3954 GRV 240 2002 6 43 15.6 11.10 11.80 D 184748.08+395435.0
18478+3954 GRV 240 2010 6 43 15.5 11.10 11.80 184748.08+395435.0

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