18505+4335 COU1930

 
 
18h 50m 31.06s +43 35' 10.0" P.A. 326 sep 0.4 mag 10.32,10.14 Sp G0
 
 
Coord 2000
18505+4335
Discov num
COU1930
Comp
Coord arcsec 2000
18 50 31.06 +43 35 10.0
Date first
1981
Date last
2016
Obs
9
Pa first
318
Pa last
326
P.A. Now (θ)
326°
Sep first
0.6
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.32
Mag sec
10.14
delta mag (ΔM)
0.18
Spectral class
G0 (yellow)
Pri motion ra
+027
Sec motion ra
+027
Pri motion dec
+026
Sec motion dec
+026
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
325.9
Precise sep
0.42
Constellation
Lyra
SAO
47845
Tycho2
3131-00662-1
last precise pa
325.9
last precise sep
0.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18505+4335 COU1930 1997 7 321 0.5 10.32 10.14 G0 185031.06+433510.0
18505+4335 COU1930 2008 8 320 0.5 10.32 10.14 G0 185031.06+433510.0
18505+4335 COU1930 2016 9 326 0.4 10.32 10.14 G0 185031.06+433510.0

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