17274-4416 DON 839

 
 
17h 27m 23.07s -44° 16' 14.5" P.A. 274.00 sep 2.4 mag 11.11,12.40 Sp A3
 
 
Coord 2000 17274-4416 Discov num DON 839 Comp Coord arcsec 2000 17 27 23.07 -44 16 14.5
Date first 1932 Date last 2015 Obs 4
Pa first 273 Pa last 274.3 P.A. Now (θ) 274.3°
Sep first 2.0 Sep last 2.441 Sep. Now (ρ) 2.441"
Mag pri 11.11 Mag sec 12.40 delta mag (ΔM) 1.29 Spectral class A3 (white)
Pri motion ra +021 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius Tycho2 7895-00533-1 Gaia DR2 5952573541307063040
 
 
WDS 17274-4416 DON 839 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Don1937 Ma j Donner, H.F. 1937MmRAS..65...51R
Don1937 MemRAS 65, 51, 1937
Don1955 Ma - Donner, H.F. 1955POMic..11....1R
Don1955 Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964 Ma j Donner, H.F. 1964POMic...9...73R
Don1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17274-4416 DON 839 1948 2 273 2.1 11.11 12.40 A3 172723.07-441614.5
17274-4416 DON 839 2000 3 275 2.6 11.11 12.40 A3 172723.07-441614.5
17274-4416 DON 839 2015 5 274 2.4 11.11 12.40 A3 172723.07-441614.5

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WDS 17274-4416 DON 839 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17274-4416 DON 839 : MEASURES
 
 
No records found.

 
 
WDS 17274-4416 : VIRTUAL EYEPIECE
 
 

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WDS 17274-4416 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.