19451+2359 J   492AB

 
 
19h 45m 06.39s +23 58' 34.6" P.A. 296.00 sep 5.0 mag 10.79,11.52 Sp B
 
 
Coord 2000
19451+2359
Discov num
J   492
Comp
AB
Coord arcsec 2000
19 45 06.39 +23 58 34.6
Date first
1892
Date last
2018
Obs
14
Pa first
297
Pa last
296
P.A. Now (θ)
296°
Sep first
4.9
Sep last
5.0
Sep. Now (ρ)
5"
Mag pri
10.79
Mag sec
11.52
delta mag (ΔM)
0.73
Spectral class
B (blue-white)
Pri motion ra
+000
Sec motion ra
-002
Pri motion dec
-004
Sec motion dec
-003
Notes
U (Proper motion indicates non-physical)
Visually invisible, K-band or other infrared star rPM=0.559
This double is not physical.
 
 
19451+2359 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 87671 19451+2359 J 492 AB 1892 2018 14 296 5.0 10.79 11.52 0.73 <===
Show 87671 19451+2359 J 492 AC 1915 2015 7 281 15.1 10.79 16.50 5.71
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
296.3
Precise sep
5.009
Constellation
Vulpecula
SAO
87671
Tycho2
2139-01669-1
Gaia DR2
96369672448
HD
344876
 
 
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 AB 2000 9 297 4.9 10.79 11.52 B D 194506.39+235834.6
19451+2359 J 492 AB 2008 10 296 4.8 10.79 11.52 B D 194506.39+235834.6
19451+2359 J 492 AB 2015 13 299 4.8 10.79 11.52 B U 194506.39+235834.6
19451+2359 J 492 AB 2018 14 296 5.0 10.79 11.52 B U 194506.39+235834.6

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