18502+1131 BU  265

 
 
18h 50m 14.94s +11 31' 21.5" P.A. 231 sep 1.4 mag 7.37,9.24 Sp A1V+G:III
 
 
Coord 2000
18502+1131
Discov num
BU  265
Comp
Coord arcsec 2000
18 50 14.94 +11 31 21.5
Date first
1875
Date last
2015
Obs
64
Pa first
236
Pa last
231
P.A. Now (θ)
231°
Sep first
1.5
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
7.37
Mag sec
9.24
delta mag (ΔM)
1.87
Spectral class
A1V+G:III (white/yellow)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
+005
Sec motion dec
+005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
230.8
Precise sep
1.39
Cdsa2 id
BU 265
Constellation
Aquila
Tycho2
1034-01320-1
HD
174485
Ra deg
18.83748333333333
De deg
11.52263888888889
last precise pa
230.8
last precise sep
1.39
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18502+1131 BU 265 1996 62 227 1.4 7.37 9.24 A1V+G:III D 185014.94+113121.5
18502+1131 BU 265 2006 64 228 1.4 7.37 9.24 A1V+G:III D 185014.94+113121.5
18502+1131 BU 265 2008 65 228 1.4 7.37 9.24 A1V+G:III D 185014.94+113121.5
18502+1131 BU 265 2011 66 228 1.4 7.37 9.24 A1V G:III 185014.94+113121.5
18502+1131 BU 265 2015 64 231 1.4 7.37 9.24 A1V+G:III 185014.94+113121.5

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