19403+0420 BU  977AC

 
 
19h 40m 16.67s +04° 20' 15.5" P.A. 292.00 sep 49.9 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
2015
Obs
4
Pa first
289
Pa last
292
P.A. Now (θ)
292°
Sep first
49.0
Sep last
49.9
Sep. Now (ρ)
49.9"
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 wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 40 17 +04 20 16 BU 977 AB 2015 8 54 4.1 8.46 12.50 4.04
Show 19 40 17 +04 20 16 BU 977 AC 2015 4 292 49.9 8.46 11.70 3.24 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
292.3
Precise sep
49.853
Constellation
Aquila
Tycho2
0487-01245-1
Gaia DR2
4290200745612559488
HD
185700
 
 
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
19403+0420 BU 977 AC 2015 4 292 49.9 8.46 11.70 F5 194016.67+042015.5

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