20125-0217 UC 4121

 
 
20h 12m 31.72s -02 16' 34.6" P.A. 198 sep 9.5 mag 12.90,15.10
 
 
Coord 2000
20125-0217
Discov num
UC 4121
Comp
Coord arcsec 2000
20 12 31.72 -02 16 34.6
Date first
1998
Date last
2015
Obs
3
Pa first
201
Pa last
198
P.A. Now (θ)
198°
Sep first
9.4
Sep last
9.5
Sep. Now (ρ)
9.5"
Mag pri
12.90
Mag sec
15.10
delta mag (ΔM)
2.2
Spectral class
Pri motion ra
+019
Sec motion ra
+010
Pri motion dec
+050
Sec motion dec
+065
Notes
V (Proper motion indicates physical)
rPM=0.266 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
197.6
Precise sep
9.507
Constellation
Aquila
Gaia DR2
49433683200
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20125-0217 UC 4121 2000 2 201 9.4 12.90 15.10 V 201231.72-021634.6
20125-0217 UC 4121 2015 3 198 9.5 12.90 15.10 V 201231.72-021634.6

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