19433+3754 SEI 668

 
 
19h 43m 18.46s +37 54' 42.5" P.A. 339 sep 24.8 mag 11.15,12.18
 
 
Coord 2000
19433+3754
Discov num
SEI 668
Comp
Coord arcsec 2000
19 43 18.46 +37 54 42.5
Date first
1896
Date last
2010
Obs
8
Pa first
342
Pa last
339
P.A. Now (θ)
339°
Sep first
24.4
Sep last
24.8
Sep. Now (ρ)
24.8"
Mag pri
11.15
Mag sec
12.18
delta mag (ΔM)
1.03
Spectral class
Pri motion ra
+000
Sec motion ra
-006
Pri motion dec
-004
Sec motion dec
-008
Notes
rPM=0.721
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
338.6
Precise sep
24.83
Constellation
Cygnus
Tycho2
3136-00028-1
last precise pa
338.6
last precise sep
24.83
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19433+3754 SEI 668 1998 6 339 24.6 11.15 12.19 D 194318.46+375442.5
19433+3754 SEI 668 2002 7 339 24.7 11.15 12.19 D 194318.46+375442.5
19433+3754 SEI 668 2010 8 339 24.6 11.15 12.18 194318.46+375442.5

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