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
Constellation
Aquila
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.