20169+5717 TDT 2139

 
 
20h 16m 52.09s +57° 16' 53.9" P.A. 101.00 sep 3.2 mag 11.75,12.66
 
 
Coord 2000 20169+5717 Discov num TDT2139 Comp Coord arcsec 2000 20 16 52.09 +57 16 53.9
Date first 1991 Date last 2016 Obs 5
Pa first 100 Pa last 101.1 P.A. Now (θ) 101.1°
Sep first 3.2 Sep last 3.21 Sep. Now (ρ) 3.21"
Mag pri 11.75 Mag sec 12.66 delta mag (ΔM) 0.91 Spectral class
Pri motion ra -011 Sec motion ra -011
Pri motion dec +005 Sec motion dec -001
Notes
rPM=0.497
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3945-00862-1 Gaia DR2 2187947943646016896
 
 
WDS 20169+5717 TDT 2139 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20169+5717 TDT2139 1991 1 100 3.2 11.75 12.66 201652.09+571653.9
20169+5717 TDT2139 2003 2 101 3.2 11.75 12.66 201652.09+571653.9
20169+5717 TDT2139 2015 3 101 3.2 11.75 12.66 201652.09+571653.9
20169+5717 TDT2139 2016 5 101 3.2 11.75 12.66 201652.09+571653.9

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WDS 20169+5717 TDT 2139 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20169+5717 TDT 2139 : MEASURES
 
 
No records found.

 
 
WDS 20169+5717 : VIRTUAL EYEPIECE
 
 

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WDS 20169+5717 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.