19451+2359 J   492AC

 
 
19h 45m 06.39s +23 58' 34.6" P.A. 281 sep 15 mag 10.79,16.50 Sp B
 
 
Coord 2000
19451+2359
Discov num
J   492
Comp
AC
Coord arcsec 2000
19 45 06.39 +23 58 34.6
Date first
1915
Date last
2008
Obs
4
Pa first
275
Pa last
281
P.A. Now (θ)
281°
Sep first
9.1
Sep last
15.0
Sep. Now (ρ)
15"
Mag pri
10.79
Mag sec
16.50
delta mag (ΔM)
5.71
Spectral class
B (blue-white)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19451+2359 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19451+2359 J 492 AB 1892 2008 11 296 4.8 10.79 11.52 0.73
Show 19451+2359 J 492 AC 1915 2008 4 281 15.0 10.79 16.50 5.71 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
281.4
Precise sep
15.04
Constellation
Vulpecula
Tycho2
2139-01669-1
HD
344876
last precise pa
281.4
last precise sep
15.04
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19451+2359 J 492 AC 1999 3 280 10.8 10.79 16.50 B D 194506.39+235834.6
19451+2359 J 492 AC 2008 4 281 15.0 10.79 16.50 B D 194506.39+235834.6

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