20012+3811 ALI 652

 
 
20h 01m 12.91s +38 10' 23.6" P.A. 55 sep 9.3 mag 13.20,14.00
 
 
Coord 2000
20012+3811
Discov num
ALI 652
Comp
Coord arcsec 2000
20 01 12.91 +38 10 23.6
Date first
1928
Date last
2010
Obs
4
Pa first
70
Pa last
55
P.A. Now (θ)
55°
Sep first
7.7
Sep last
9.3
Sep. Now (ρ)
9.3"
Mag pri
13.20
Mag sec
14.00
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
-002
Sec motion ra
+010
Pri motion dec
-008
Sec motion dec
+025
Notes
rPM=1.304
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
55.1
Precise sep
9.34
Constellation
Cygnus
last precise pa
55.1
last precise sep
9.34
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20012+3811 ALI 652 2000 2 57 9.0 13.20 14.00 D 200112.91+381023.6
20012+3811 ALI 652 2002 3 56 9.1 13.20 14.00 D 200112.91+381023.6
20012+3811 ALI 652 2010 4 56 8.9 13.20 14.00 200112.91+381023.6

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