19518+3815 ALI 904

 
 
19h 51m 45.80s +38 15' 51.0" P.A. 107 sep 10.8 mag 11.90,12.60
 
 
Coord 2000
19518+3815
Discov num
ALI 904
Comp
Coord arcsec 2000
19 51 45.80 +38 15 51.0
Date first
1928
Date last
2002
Obs
5
Pa first
109
Pa last
107
P.A. Now (θ)
107°
Sep first
11.1
Sep last
10.8
Sep. Now (ρ)
10.8"
Mag pri
11.90
Mag sec
12.60
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
+000
Sec motion ra
-002
Pri motion dec
-013
Sec motion dec
-005
Notes
rPM=0.634
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
106.8
Precise sep
10.836
Constellation
Cygnus
last precise pa
106.8
last precise sep
10.836
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19518+3815 ALI 904 1998 4 106 10.8 11.90 12.60 D 195145.80+381551.0
19518+3815 ALI 904 2002 5 107 10.8 11.90 12.60 D 195145.80+381551.0

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