18525+2253 GRV 242

 
 
18h 52m 32.42s +22 53' 50.4" P.A. 179 sep 26.3 mag 10.80,13.90
 
 
Coord 2000
18525+2253
Discov num
GRV 242
Comp
Coord arcsec 2000
18 52 32.42 +22 53 50.4
Date first
1951
Date last
2010
Obs
5
Pa first
180
Pa last
179
P.A. Now (θ)
179°
Sep first
27.2
Sep last
26.3
Sep. Now (ρ)
26.3"
Mag pri
10.80
Mag sec
13.90
delta mag (ΔM)
3.1
Spectral class
Pri motion ra
-010
Sec motion ra
-001
Pri motion dec
-026
Sec motion dec
-007
Notes
rPM=0.755
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
179.4
Precise sep
26.26
Constellation
Hercules
Tycho2
2109-02303-1
last precise pa
179.4
last precise sep
26.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18525+2253 GRV 242 2000 2 179 26.4 10.80 13.90 D 185232.42+225350.4
18525+2253 GRV 242 2001 3 180 26.4 10.80 13.90 D 185232.42+225350.4
18525+2253 GRV 242 2010 5 180 26.3 10.80 13.90 185232.42+225350.4

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