19557+3824 ALI 908

 
 
19h 55m 42.81s +38 24' 10.8" P.A. 63 sep 12.3 mag 11.14,13.00 Sp B5
 
 
Coord 2000
19557+3824
Discov num
ALI 908
Comp
Coord arcsec 2000
19 55 42.81 +38 24 10.8
Date first
1929
Date last
2010
Obs
4
Pa first
67
Pa last
63
P.A. Now (θ)
63°
Sep first
12.3
Sep last
12.3
Sep. Now (ρ)
12.3"
Mag pri
11.14
Mag sec
13.00
delta mag (ΔM)
1.86
Spectral class
B5 (blue-white)
Pri motion ra
-004
Sec motion ra
-003
Pri motion dec
-008
Sec motion dec
-003
Notes
rPM=0.57
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
62.7
Precise sep
12.27
Cdsa2 id
ALI 908
Constellation
Cygnus
Ra deg
19.928558333333335
De deg
38.403
last precise pa
62.7
last precise sep
12.27
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19557+3824 ALI 908 1998 2 63 12.0 11.14 13.00 D 195542.81+382410.8
19557+3824 ALI 908 2002 3 63 12.0 11.14 13.00 D 195542.81+382410.8
19557+3824 ALI 908 2010 4 63 12.1 11.14 13.00 B5 195542.81+382410.8

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