18436-2013 DON 920 (HD 172933)

 
 
18h 43m 38.83s -20° 13' 01.0" P.A. 336.00 sep 1.4 mag 9.84,12.40 Sp F2V
 
 
Coord 2000 18436-2013 Discov num DON 920 Comp Coord arcsec 2000 18 43 38.83 -20 13 01.0
Date first 1930 Date last 2016 Obs 4
Pa first 334 Pa last 335.5 P.A. Now (θ) 335.5°
Sep first 1.0 Sep last 1.406 Sep. Now (ρ) 1.406"
Mag pri 9.84 Mag sec 12.40 delta mag (ΔM) 2.56 Spectral class F2V (yellow-white)
Pri motion ra +005 Sec motion ra
Pri motion dec -042 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172933 Constellation Sagittarius SAO 187195 Tycho2 6288-01720-1
Gaia DR2 4080197701199013632 HD 172933
 
 
WDS 18436-2013 DON 920 (HD 172933) : 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
18436-2013 DON 920 1941 2 337 1.2 9.84 12.40 F2V 184338.83-201301.0
18436-2013 DON 920 2015 3 335 1.4 9.84 12.40 F2V S 184338.83-201301.0
18436-2013 DON 920 2016 4 336 1.4 9.84 12.40 F2V S 184338.83-201301.0

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WDS 18436-2013 DON 920 (HD 172933) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18436-2013 DON 920 (HD 172933) : MEASURES
 
 
No records found.

 
 
WDS 18436-2013 (HD 172933) : VIRTUAL EYEPIECE
 
 

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Radius:
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WDS 18436-2013 (HD 172933) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.