18231+4100 COU1602

 
 
18h 23m 06.60s +41 00' 46.5" P.A. 98 sep 0.2 mag 11.80,11.80
 
 
Coord 2000
18231+4100
Discov num
COU1602
Comp
Coord arcsec 2000
18 23 06.60 +41 00 46.5
Date first
1977
Date last
2008
Obs
3
Pa first
96
Pa last
98
P.A. Now (θ)
98°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
11.80
Mag sec
11.80
delta mag (ΔM)
0
Spectral class
Pri motion ra
-005
Sec motion ra
Pri motion dec
+030
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
98
Precise sep
0.237
Constellation
Lyra
Tycho2
3108-00729-1
last precise pa
98
last precise sep
0.237
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18231+4100 COU1602 1977 1 96 0.3 11.80 11.80 182306.60+410046.5
18231+4100 COU1602 2006 2 108 0.2 11.80 11.80 182306.60+410046.5
18231+4100 COU1602 2008 3 98 0.2 11.80 11.80 182306.60+410046.5

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