20227-0319 UC 4161

 
 
20h 22m 42.59s -03 18' 35.7" P.A. 1 sep 30 mag 15.68,15.85
 
 
Coord 2000
20227-0319
Discov num
UC 4161
Comp
Coord arcsec 2000
20 22 42.59 -03 18 35.7
Date first
1998
Date last
2015
Obs
4
Pa first
1
Pa last
1
P.A. Now (θ)
Sep first
29.6
Sep last
30.0
Sep. Now (ρ)
30"
Mag pri
15.68
Mag sec
15.85
delta mag (ΔM)
0.17
Spectral class
Pri motion ra
-055
Sec motion ra
-063
Pri motion dec
+005
Sec motion dec
+011
Notes
U (Proper motion indicates non-physical)
rPM=0.156 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
1.3
Precise sep
29.986
Cdsa2 id
UC 4161
Constellation
Aquila
Ra deg
20.378497222222222
De deg
-3.3099166666666666
last precise pa
1.3
last precise sep
29.986
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20227-0319 UC 4161 2000 2 1 29.6 15.70 15.80 V 202242.59-031835.7
20227-0319 UC 4161 2010 3 1 30.0 15.68 15.85 V 202242.59-031835.7
20227-0319 UC 4161 2015 4 1 30.0 15.68 15.85 U 202242.59-031835.7

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