19403+0420 BU  977AB

 
 
19h 40m 16.67s +04 20' 15.5" P.A. 59 sep 4 mag 8.46,12.50 Sp F5
 
 
Coord 2000
19403+0420
Discov num
BU  977
Comp
AB
Coord arcsec 2000
19 40 16.67 +04 20 15.5
Date first
1880
Date last
1933
Obs
7
Pa first
59
Pa last
59
P.A. Now (θ)
59°
Sep first
3.8
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
8.46
Mag sec
12.50
delta mag (ΔM)
4.04
Spectral class
F5 (yellow-white)
Pri motion ra
+008
Sec motion ra
Pri motion dec
-031
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
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
58.5
Precise sep
3.98
Cdsa2 id
BU 977 AB
Constellation
Aquila
Ra deg
19.671297222222222
De deg
4.337638888888889
last precise pa
58.5
last precise sep
3.98
 
 
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 AB 1933 7 59 4.0 8.46 12.50 F5 194016.67+042015.5

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