19556+4723 BU  831

 
 
19h 55m 35.00s +47 22' 41.1" P.A. 127 sep 0.9 mag 9.60,10.36 Sp F8
 
 
Coord 2000
19556+4723
Discov num
BU  831
Comp
Coord arcsec 2000
19 55 35.00 +47 22 41.1
Date first
1881
Date last
2016
Obs
15
Pa first
128
Pa last
127
P.A. Now (θ)
127°
Sep first
0.9
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
9.60
Mag sec
10.36
delta mag (ΔM)
0.76
Spectral class
F8 (yellow-white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-010
Sec motion dec
-010
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
127
Precise sep
0.94
Constellation
Cygnus
Tycho2
3562-01511-1
last precise pa
127
last precise sep
0.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19556+4723 BU 831 2001 14 120 0.7 9.60 10.36 F8 195535.00+472241.1
19556+4723 BU 831 2016 15 127 0.9 9.60 10.36 F8 195535.00+472241.1

If you need more information about this double, apply for a data request form to the WDS.