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
 
 
Precise pa
172.2
Precise sep
4.441
Constellation
Cygnus
last precise pa
172.2
last precise sep
4.441
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20441+5043 LEP 171 2016 6 172 4.4 17.20 18.30 V 204407.57+504233.1

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