18505+2002 KU  121

 
 
18h 50m 28.45s +20 01' 57.6" P.A. 312 sep 31.6 mag 10.01,11.58 Sp A2
 
 
Coord 2000
18505+2002
Discov num
KU  121
Comp
Coord arcsec 2000
18 50 28.45 +20 01 57.6
Date first
1895
Date last
2013
Obs
9
Pa first
312
Pa last
312
P.A. Now (θ)
312°
Sep first
31.4
Sep last
31.6
Sep. Now (ρ)
31.6"
Mag pri
10.01
Mag sec
11.58
delta mag (ΔM)
1.57
Spectral class
A2 (white)
Pri motion ra
+002
Sec motion ra
+004
Pri motion dec
-001
Sec motion dec
+004
Notes
rPM=0.952
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
312.1
Precise sep
31.63
Constellation
Hercules
Tycho2
1592-00991-1
HD
349451
last precise pa
312.1
last precise sep
31.63
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18505+2002 KU 121 1999 6 312 31.5 10.01 11.58 A2 D 185028.45+200157.6
18505+2002 KU 121 2001 7 312 31.7 10.01 11.58 A2 D 185028.45+200157.6
18505+2002 KU 121 2013 8 312 31.6 10.01 11.58 A2 185028.45+200157.6

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