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
Cdsa2 id
LEP 171
Constellation
Cygnus
Ra deg
20.735436111111113
De deg
50.70919444444445
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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