19413+2944 SLE 668

 
 
19h 41m 16.60s +29 44' 24.7" P.A. 268 sep 10.4 mag 9.98,10.40 Sp B8
 
 
Coord 2000
19413+2944
Discov num
SLE 668
Comp
Coord arcsec 2000
19 41 16.60 +29 44 24.7
Date first
1895
Date last
2010
Obs
8
Pa first
267
Pa last
268
P.A. Now (θ)
268°
Sep first
11.1
Sep last
10.4
Sep. Now (ρ)
10.4"
Mag pri
9.98
Mag sec
10.40
delta mag (ΔM)
0.42
Spectral class
B8 (blue-white)
Pri motion ra
-001
Sec motion ra
+001
Pri motion dec
-005
Sec motion dec
-003
Notes
rPM=0.555
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
267.9
Precise sep
10.42
Constellation
Cygnus
Tycho2
2151-02205-1
HD
332382
last precise pa
267.9
last precise sep
10.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19413+2944 SLE 668 2007 5 268 10.8 9.98 10.40 D 194116.60+294424.7
19413+2944 SLE 668 2008 6 268 10.9 9.98 10.40 D 194116.60+294424.7
19413+2944 SLE 668 2010 8 273 11.8 9.98 10.40 B8 194116.60+294424.7

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