20211-6105 UC 4157

 
 
20h 21m 07.35s -61 04' 57.8" P.A. 22.00 sep 34.1 mag 11.58,12.31
 
 
Coord 2000
20211-6105
Discov num
UC 4157
Comp
Coord arcsec 2000
20 21 07.35 -61 04 57.8
Date first
1925
Date last
2015
Obs
6
Pa first
23
Pa last
22
P.A. Now (θ)
22°
Sep first
33.3
Sep last
34.1
Sep. Now (ρ)
34.1"
Mag pri
11.58
Mag sec
12.31
delta mag (ΔM)
0.73
Spectral class
Pri motion ra
+057
Sec motion ra
+058
Pri motion dec
-041
Sec motion dec
-044
Notes
V (Proper motion indicates physical)
rPM=0.043 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
21.7
Precise sep
34.075
Constellation
Pavo
Tycho2
9087-00839-1
Gaia DR2
6431097322510142720
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20211-6105 UC 4157 2000 2 22 34.1 11.60 12.30 V 202107.35-610457.8
20211-6105 UC 4157 2010 4 22 34.1 11.58 12.31 V 202107.35-610457.8
20211-6105 UC 4157 2015 5 22 34.1 11.58 12.31 V 202107.35-610457.8

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