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
Cdsa2 id
SLE 668
Constellation
Cygnus
Ra deg
19.687944444444444
De deg
29.740194444444445
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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