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
Constellation
Cygnus
Tycho2
3137-00709-1
HD
226608
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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