19515+3726 ALI 640

 
 
19h 51m 29.06s +37 26' 19.9" P.A. 83 sep 6.5 mag 12.90,13.30
 
 
Coord 2000
19515+3726
Discov num
ALI 640
Comp
Coord arcsec 2000
19 51 29.06 +37 26 19.9
Date first
1929
Date last
2015
Obs
7
Pa first
75
Pa last
83
P.A. Now (θ)
83°
Sep first
7.1
Sep last
6.5
Sep. Now (ρ)
6.5"
Mag pri
12.90
Mag sec
13.30
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
+003
Sec motion ra
+009
Pri motion dec
+011
Sec motion dec
-002
Notes
rPM=1.256
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
83.1
Precise sep
6.502
Constellation
Cygnus
Tycho2
2681-00671-1
Gaia DR2
2072003244228451584
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19515+3726 ALI 640 1933 1 82 8.2 11.90 11.90 195129.56+372648.0
19515+3726 ALI 640 2002 4 82 6.6 12.90 13.30 195129.06+372619.9
19515+3726 ALI 640 2014 5 82 6.4 12.90 13.30 195129.06+372619.9
19515+3726 ALI 640 2015 7 83 6.5 12.90 13.30 195129.06+372619.9

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