19403+0420 BU  977AC

 
 
19h 40m 16.67s +04 20' 15.5" P.A. 292 sep 49.8 mag 8.46,11.70 Sp F5
 
 
Coord 2000
19403+0420
Discov num
BU  977
Comp
AC
Coord arcsec 2000
19 40 16.67 +04 20 15.5
Date first
1914
Date last
2000
Obs
3
Pa first
289
Pa last
292
P.A. Now (θ)
292°
Sep first
49.0
Sep last
49.8
Sep. Now (ρ)
49.8"
Mag pri
8.46
Mag sec
11.70
delta mag (ΔM)
3.24
Spectral class
F5 (yellow-white)
Pri motion ra
-006
Sec motion ra
-015
Pri motion dec
-033
Sec motion dec
+029
Notes
rPM=1.868
This double is not physical.
 
 
19403+0420 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19403+0420 BU 977 AB 1880 1933 7 59 4.0 8.46 12.50 4.04
Show 19403+0420 BU 977 AC 1914 2000 3 292 49.8 8.46 11.70 3.24 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
291.5
Precise sep
49.785
Constellation
Aquila
Tycho2
0487-01245-1
HD
185700
last precise pa
291.5
last precise sep
49.785
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19403+0420 BU 977 AC 1999 2 292 49.8 8.46 11.70 F5 D 194016.67+042015.5
19403+0420 BU 977 AC 2000 3 292 49.8 8.46 11.70 F5 D 194016.67+042015.5

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