18031+4158 DOO  10

 
 
18h 02m 21.54s +41 49' 16.7" P.A. 292 sep 5 mag 9.20,11.00
 
 
Coord 2000
18031+4158
Discov num
DOO  10
Comp
Coord arcsec 2000
18 02 21.54 +41 49 16.7
Date first
1900
Date last
2003
Obs
3
Pa first
294
Pa last
292
P.A. Now (θ)
292°
Sep first
4.4
Sep last
5.0
Sep. Now (ρ)
5"
Mag pri
9.20
Mag sec
11.00
delta mag (ΔM)
1.8
Spectral class
Pri motion ra
+001
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
292.1
Precise sep
4.986
Constellation
Hercules
Tycho2
3110-01075-1
last precise pa
292.1
last precise sep
4.986
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18031+4158 DOO 10 1900 1 294 4.4 9.20 11.00 180360.00+415800.0
18031+4158 DOO 10 2000 2 293 5.0 9.20 11.00 180221.54+414916.7
18031+4158 DOO 10 2003 3 292 5.0 9.20 11.00 180221.54+414916.7

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