20187-3932 UC 4143

 
 
20h 18m 39.30s -39 31' 36.0" P.A. 351 sep 60.9 mag 15.90,16.00
 
 
Coord 2000
20187-3932
Discov num
UC 4143
Comp
Coord arcsec 2000
20 18 39.30 -39 31 36.0
Date first
1998
Date last
2015
Obs
3
Pa first
350
Pa last
351
P.A. Now (θ)
351°
Sep first
61.2
Sep last
60.9
Sep. Now (ρ)
60.9"
Mag pri
15.90
Mag sec
16.00
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+075
Sec motion ra
+080
Pri motion dec
-021
Sec motion dec
-026
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.084 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
350.6
Precise sep
60.906
Constellation
Sagittarius
Gaia DR2
92245462144
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20187-3932 UC 4143 1998 2 350 61.1 15.90 16.00 V 201839.30-393136.0
20187-3932 UC 4143 2000 2 350 61.3 15.90 16.00 V 201839.30-393136.0
20187-3932 UC 4143 2015 3 351 60.9 15.90 16.00 V R 201839.30-393136.0

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