17192+3221 BU  630

 
 
17h 19m 15.09s +32 20' 15.1" P.A. 220 sep 1.6 mag 9.60,11.60
 
 
Coord 2000
17192+3221
Discov num
BU  630
Comp
Coord arcsec 2000
17 19 15.09 +32 20 15.1
Date first
1878
Date last
2009
Obs
29
Pa first
225
Pa last
220
P.A. Now (θ)
220°
Sep first
1.7
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
9.60
Mag sec
11.60
delta mag (ΔM)
2
Spectral class
Pri motion ra
-001
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
220.3
Precise sep
1.556
Constellation
Hercules
Tycho2
2596-00453-1
last precise pa
220.3
last precise sep
1.556
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17192+3221 BU 630 2005 25 223 1.5 9.60 11.60 171915.09+322015.1
17192+3221 BU 630 2007 27 224 1.4 9.60 11.60 171915.09+322015.1
17192+3221 BU 630 2009 28 220 1.6 9.60 11.60 171915.09+322015.1

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