19541+3740 ALI 645

 
 
19h 54m 08.56s +37 40' 06.3" P.A. 38 sep 6.8 mag 13.10,13.40
 
 
Coord 2000
19541+3740
Discov num
ALI 645
Comp
Coord arcsec 2000
19 54 08.56 +37 40 06.3
Date first
1929
Date last
2010
Obs
4
Pa first
42
Pa last
38
P.A. Now (θ)
38°
Sep first
7.2
Sep last
6.8
Sep. Now (ρ)
6.8"
Mag pri
13.10
Mag sec
13.40
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
+003
Sec motion ra
-006
Pri motion dec
-006
Sec motion dec
-004
Notes
rPM=1.279
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
37.6
Precise sep
6.79
Constellation
Cygnus
last precise pa
37.6
last precise sep
6.79
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19541+3740 ALI 645 1998 2 36 6.8 13.10 13.40 D 195408.56+374006.3
19541+3740 ALI 645 2002 3 36 6.8 13.10 13.40 D 195408.56+374006.3
19541+3740 ALI 645 2010 4 38 6.8 13.10 13.40 195408.56+374006.3

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