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
Cdsa2 id
BU 977 AC
Constellation
Aquila
Ra deg
19.671297222222222
De deg
4.337638888888889
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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