20441+5043 LEP 171

 
 
20H 44M 07.57S +50 42' 33.1" P.A. 172 SEP 4.4 MAG 17.20,18.30
 
 
Coord 2000
20441+5043
Discov num
LEP 171
Comp
Coord arcsec 2000
20 44 07.57 +50 42 33.1
Date first
1954
Date last
2016
Obs
6
Pa first
171
Pa last
172
P.A. Now (θ)
172°
Sep first
4.1
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
17.20
Mag sec
18.30
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
-103
Sec motion ra
-096
Pri motion dec
+122
Sec motion dec
+121
Notes
V (Proper motion indicates physical)
rPM=0.044 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
172.2
last precise sep
4.441