19547+3831 ALI 907

 
 
19h 54m 43.33s +38 30' 46.5" P.A. 23 sep 14.6 mag 11.68,12.30
 
 
Coord 2000
19547+3831
Discov num
ALI 907
Comp
Coord arcsec 2000
19 54 43.33 +38 30 46.5
Date first
1929
Date last
2010
Obs
4
Pa first
26
Pa last
23
P.A. Now (θ)
23°
Sep first
14.3
Sep last
14.6
Sep. Now (ρ)
14.6"
Mag pri
11.68
Mag sec
12.30
delta mag (ΔM)
0.62
Spectral class
Pri motion ra
+001
Sec motion ra
+002
Pri motion dec
+000
Sec motion dec
+000
Notes
rPM=0.5
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
23.1
Precise sep
14.61
Cdsa2 id
ALI 907
Constellation
Cygnus
Ra deg
19.91203611111111
De deg
38.51291666666667
last precise pa
23.1
last precise sep
14.61
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19547+3831 ALI 907 1998 2 23 14.6 11.68 12.30 D 195443.33+383046.5
19547+3831 ALI 907 2002 3 24 14.6 11.68 12.30 D 195443.33+383046.5
19547+3831 ALI 907 2010 4 23 14.5 11.68 12.30 195443.33+383046.5

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