21045+0746 BU 269 (HD 200643)

 
 
21h 04m 32.53s +07° 45' 36.5" P.A. 239.00 sep 1.2 mag 8.34,10.07 Sp F2 dist. 317.46 pc (1035.55 l.y.)
 
 
Coord 2000 21045+0746 Discov num BU  269 Comp Coord arcsec 2000 21 04 32.53 +07 45 36.5
Date first 1876 Date last 2016 Obs 32
Pa first 253 Pa last 238.5 P.A. Now (θ) 238.5°
Sep first 1.1 Sep last 1.17 Sep. Now (ρ) 1.17"
Mag pri 8.34 Mag sec 10.07 delta mag (ΔM) 1.73 Spectral class F2 (yellow-white)
Pri motion ra +001 Sec motion ra +001
Pri motion dec -023 Sec motion dec -023
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 200643 Constellation Equuleus SAO 126517 HIP 104028
Tycho2 1104-02271-1 Gaia DR2 1737206862691437952 HD 200643 BD BD+07 4617
Distance 317.46 Distance ly 1035.55
 
 
WDS 21045+0746 BU 269 (HD 200643) : NOTES
 
 
discov_num notes refcode
BU 269 H 1 62. MEv2010
BU 835. H I 62 probably same star with an error of 10@ in declination.
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21045+0746 BU 269 1991 29 240 1.1 8.34 10.07 F2 N D 210432.53+074536.5
21045+0746 BU 269 2011 30 238 1.2 8.34 10.07 F2 N 210432.53+074536.5
21045+0746 BU 269 2016 32 239 1.2 8.34 10.07 F2 N 210432.53+074536.5

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WDS 21045+0746 BU 269 (HD 200643) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21045+0746 BU 269 (HD 200643) : MEASURES
 
 
No records found.

 
 
WDS 21045+0746 (HD 200643) : VIRTUAL EYEPIECE
 
 

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WDS 21045+0746 (HD 200643) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.