20431+3645 SEI 1227

 
 
20h 43m 02.60s +36° 44' 27.4" P.A. 168.00 sep 15.0 mag 10.92,10.48
 
 
Coord 2000 20431+3645 Discov num SEI1227 Comp Coord arcsec 2000 20 43 02.60 +36 44 27.4
Date first 1896 Date last 2015 Obs 21
Pa first 149 Pa last 168.2 P.A. Now (θ) 168.2°
Sep first 20.4 Sep last 14.984 Sep. Now (ρ) 14.984"
Mag pri 10.92 Mag sec 10.48 delta mag (ΔM) 0.44 Spectral class
Pri motion ra +056 Sec motion ra -006
Pri motion dec -020 Sec motion dec +001
Notes N L (See Notes, Linear solution)
rPM=1.101
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2699-01182-1 Gaia DR2 1870656036375681664
 
 
WDS 20431+3645 SEI 1227 : NOTES
 
 
discov_num notes refcode
SEI1227 B is BD+36@4205.
 
 
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
20431+3645 SEI1227 2007 7 167 15.2 10.92 10.48 NLD 204302.60+364427.4
20431+3645 SEI1227 2008 8 167 15.3 10.92 10.48 NLD 204302.60+364427.4
20431+3645 SEI1227 2010 9 167 14.9 10.92 10.48 NLD 204302.60+364427.4
20431+3645 SEI1227 2015 12 168 15.0 10.92 10.48 NL 204302.60+364427.4

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WDS 20431+3645 SEI 1227 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20431+3645 SEI 1227 : MEASURES
 
 
No records found.

 
 
WDS 20431+3645 : VIRTUAL EYEPIECE
 
 

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WDS 20431+3645 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.