17495-3200 COO 221 (HD 161889)

 
 
17h 49m 29.36s -32° 00' 28.7" P.A. 308.00 sep 9.2 mag 8.79,10.06 Sp A7V
 
 
Coord 2000 17495-3200 Discov num COO 221 Comp Coord arcsec 2000 17 49 29.36 -32 00 28.7
Date first 1911 Date last 2016 Obs 20
Pa first 310 Pa last 307.6 P.A. Now (θ) 307.6°
Sep first 9.3 Sep last 9.245 Sep. Now (ρ) 9.245"
Mag pri 8.79 Mag sec 10.06 delta mag (ΔM) 1.27 Spectral class A7V (white)
Pri motion ra +015 Sec motion ra -001
Pri motion dec -003 Sec motion dec +001
Notes
rPM=1.078
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 161889 Constellation Scorpius SAO 209314 Tycho2 7381-00334-1
Gaia DR2 4055551735753700096 HD 161889
 
 
WDS 17495-3200 COO 221 (HD 161889) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
CoO1927A T - Cordoba Obs. 1927sdsc.book......
CoO1927A cited in SDS (Southern Double Star Catalog), 1927
CoO9999 T - Cordoba Obs. ...................
CoO9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17495-3200 COO 221 1998 18 308 9.2 8.79 10.06 A7V D 174929.36-320028.7
17495-3200 COO 221 1999 19 307 9.2 8.79 10.06 A7V D 174929.36-320028.7
17495-3200 COO 221 2010 20 311 8.7 8.79 10.06 A7V 174929.36-320028.7
17495-3200 COO 221 2016 20 308 9.2 8.79 10.06 A7V 174929.36-320028.7

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WDS 17495-3200 COO 221 (HD 161889) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17495-3200 COO 221 (HD 161889) : MEASURES
 
 
No records found.

 
 
WDS 17495-3200 (HD 161889) : VIRTUAL EYEPIECE
 
 

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WDS 17495-3200 (HD 161889) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.