16564-1904 GWP2680

 
 
16h 56m 24.84s -19 04' 00.8" P.A. 53 sep 20.7 mag 15.80,16.80
 
 
Coord 2000
16564-1904
Discov num
GWP2680
Comp
Coord arcsec 2000
16 56 24.84 -19 04 00.8
Date first
1991
Date last
2015
Obs
4
Pa first
54
Pa last
53
P.A. Now (θ)
53°
Sep first
21.0
Sep last
20.7
Sep. Now (ρ)
20.7"
Mag pri
15.80
Mag sec
16.80
delta mag (ΔM)
1
Spectral class
Pri motion ra
-084
Sec motion ra
-070
Pri motion dec
+018
Sec motion dec
+004
Notes
V (Proper motion indicates physical)
rPM=0.23 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
52.6
Precise sep
20.685
Constellation
Ophiuchus
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16564-1904 GWP2680 1998 2 52 20.7 15.80 16.80 V 165624.84-190400.8
16564-1904 GWP2680 2010 3 51 20.1 15.80 16.80 V 165624.84-190400.8
16564-1904 GWP2680 2015 4 53 20.7 15.80 16.80 V 165624.84-190400.8

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