18328+1054 HEI 561

 
 
18h 32m 44.61s +10 54' 04.7" P.A. 190 sep 2.5 mag 10.83,11.09
 
 
Coord 2000
18328+1054
Discov num
HEI 561
Comp
Coord arcsec 2000
18 32 44.61 +10 54 04.7
Date first
1989
Date last
2007
Obs
4
Pa first
193
Pa last
190
P.A. Now (θ)
190°
Sep first
2.0
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
10.83
Mag sec
11.09
delta mag (ΔM)
0.26
Spectral class
Pri motion ra
+012
Sec motion ra
+012
Pri motion dec
+016
Sec motion dec
+016
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
190
Precise sep
2.46
Constellation
Ophiuchus
Tycho2
1028-00211-1
last precise pa
190
last precise sep
2.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18328+1054 HEI 561 2007 4 190 2.4 10.83 11.09 183244.61+105404.7

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