18324+2221 J   807

 
 
18h 32m 22.69s +22 21' 22.7" P.A. 309 sep 3.7 mag 12.38,11.81 Sp G0
 
 
Coord 2000
18324+2221
Discov num
J   807
Comp
Coord arcsec 2000
18 32 22.69 +22 21 22.7
Date first
1894
Date last
2001
Obs
12
Pa first
309
Pa last
309
P.A. Now (θ)
309°
Sep first
3.6
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
12.38
Mag sec
11.81
delta mag (ΔM)
0.57
Spectral class
G0 (yellow)
Pri motion ra
+016
Sec motion ra
-013
Pri motion dec
-063
Sec motion dec
-034
Notes
rPM=0.631
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
309.4
Precise sep
3.742
Constellation
Hercules
Tycho2
1582-00289-1
HD
342503
last precise pa
309.4
last precise sep
3.742
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18324+2221 J 807 1999 11 309 3.8 12.38 11.81 G0 D 183222.69+222122.7
18324+2221 J 807 2001 12 309 3.7 12.38 11.81 G0 D 183222.69+222122.7

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