19515+3726 ALI 640

 
 
19h 51m 29.06s +37 26' 19.9" P.A. 82 sep 6.4 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
2014
Obs
6
Pa first
75
Pa last
82
P.A. Now (θ)
82°
Sep first
7.1
Sep last
6.4
Sep. Now (ρ)
6.4"
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
82.3
Precise sep
6.372
Cdsa2 id
ALI 640
Constellation
Cygnus
Ra deg
19.858072222222223
De deg
37.43886111111111
last precise pa
82.3
last precise sep
6.372
 
 
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

If you need more information about this double, apply for a data request form to the WDS.