19513+3758 ALI 639

 
 
19h 51m 20.58s +37 58' 25.8" P.A. 178 sep 12.3 mag 11.89,12.60
 
 
Coord 2000
19513+3758
Discov num
ALI 639
Comp
Coord arcsec 2000
19 51 20.58 +37 58 25.8
Date first
1929
Date last
2010
Obs
4
Pa first
179
Pa last
178
P.A. Now (θ)
178°
Sep first
12.6
Sep last
12.3
Sep. Now (ρ)
12.3"
Mag pri
11.89
Mag sec
12.60
delta mag (ΔM)
0.71
Spectral class
Pri motion ra
-005
Sec motion ra
+002
Pri motion dec
-001
Sec motion dec
-009
Notes
rPM=1.153
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
177.5
Precise sep
12.31
Cdsa2 id
ALI 639
Constellation
Cygnus
Ra deg
19.85571666666667
De deg
37.97383333333334
last precise pa
177.5
last precise sep
12.31
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19513+3758 ALI 639 1998 2 178 12.7 11.89 12.60 D 195120.58+375825.8
19513+3758 ALI 639 2002 3 178 12.7 11.89 12.60 D 195120.58+375825.8
19513+3758 ALI 639 2010 4 177 11.6 11.89 12.60 195120.58+375825.8

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