19397-1713 GWP2877

 
 
19h 39m 39.45s -17 12' 44.1" P.A. 31 sep 138.4 mag 17.10,18.00
 
 
Coord 2000
19397-1713
Discov num
GWP2877
Comp
Coord arcsec 2000
19 39 39.45 -17 12 44.1
Date first
1985
Date last
2010
Obs
3
Pa first
32
Pa last
31
P.A. Now (θ)
31°
Sep first
138.0
Sep last
138.4
Sep. Now (ρ)
138.4"
Mag pri
17.10
Mag sec
18.00
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
-034
Sec motion ra
-028
Pri motion dec
-048
Sec motion dec
-050
Notes
V (Proper motion indicates physical)
rPM=0.108 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
31.3
Precise sep
138.4
Constellation
Sagittarius
last precise pa
31.3
last precise sep
138.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19397-1713 GWP2877 1998 2 31 138.2 17.10 18.00 V 193939.45-171244.1
19397-1713 GWP2877 2010 3 31 138.4 17.10 18.00 V 193939.45-171244.1

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