20507+3807 SEI 1275

 
 
20h 50m 41.97s +38° 08' 03.0" P.A. 196.00 sep 22.2 mag 12.13,11.36
 
 
Coord 2000 20507+3807 Discov num SEI1275 Comp Coord arcsec 2000 20 50 41.97 +38 08 03.0
Date first 1896 Date last 2015 Obs 13
Pa first 194 Pa last 196.3 P.A. Now (θ) 196.3°
Sep first 22.8 Sep last 22.177 Sep. Now (ρ) 22.177"
Mag pri 12.13 Mag sec 11.36 delta mag (ΔM) 0.77 Spectral class
Pri motion ra -005 Sec motion ra -011
Pri motion dec -005 Sec motion dec +007
Notes
rPM=1.029
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3167-00294-1 Gaia DR2 1871169680101954944
 
 
WDS 20507+3807 SEI 1275 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20507+3807 SEI1275 1998 7 197 22.3 12.45 11.36 D 205041.97+380803.0
20507+3807 SEI1275 2002 8 196 22.3 12.45 11.36 D 205041.97+380803.0
20507+3807 SEI1275 2010 9 197 22.2 12.13 11.36 205041.97+380803.0
20507+3807 SEI1275 2015 10 196 22.2 12.13 11.36 205041.97+380803.0

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WDS 20507+3807 SEI 1275 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20507+3807 SEI 1275 : MEASURES
 
 
No records found.

 
 
WDS 20507+3807 : VIRTUAL EYEPIECE
 
 

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Radius:
Components only
 
 
WDS 20507+3807 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.