19251+2213 COU 513

 
 
19h 25m 08.84s +22 12' 56.9" P.A. 3 sep 0.3 mag 9.22,9.92 Sp B9
 
 
Coord 2000
19251+2213
Discov num
COU 513
Comp
Coord arcsec 2000
19 25 08.84 +22 12 56.9
Date first
1970
Date last
2009
Obs
11
Pa first
340
Pa last
3
P.A. Now (θ)
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
9.22
Mag sec
9.92
delta mag (ΔM)
0.7
Spectral class
B9 (blue-white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
2.6
Precise sep
0.25
Constellation
Vulpecula
last precise pa
2.6
last precise sep
0.25
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19251+2213 COU 513 1996 9 359 0.2 9.22 9.92 B9 192508.84+221256.9
19251+2213 COU 513 2007 10 358 0.3 9.22 9.92 B9 192508.84+221256.9
19251+2213 COU 513 2009 11 3 0.3 9.22 9.92 B9 192508.84+221256.9

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