20188+3507 BU 986 AB,C (HD 228849)

 
 
20h 18m 45.81s +35° 06' 42.8" P.A. 240.00 sep 4.2 mag 8.57,11.00
 
 
Coord 2000 20188+3507 Discov num BU  986 Comp AB,C Coord arcsec 2000 20 18 45.81 +35 06 42.8
Date first 1880 Date last 2019 Obs 16
Pa first 242 Pa last 240.1 P.A. Now (θ) 240.1°
Sep first 4.4 Sep last 4.187 Sep. Now (ρ) 4.187"
Mag pri 8.57 Mag sec 11.00 delta mag (ΔM) 2.43 Spectral class
Pri motion ra -002 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20188+3507 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 69809 20 18 46 +35 06 43 A 286 AB 2014 19 41 0.1 9.40 9.40 0.00
Show HD 228849 69809 20 18 46 +35 06 43 BU 986 AB,C 2019 16 240 4.2 8.57 11.00 2.43 <===
Show 69809 20 18 46 +35 06 43 FOX 253 AB,D 2019 9 341 46.6 8.57 11.41 2.84
Show 69809 20 18 46 +35 06 43 FYM 178 AB,E 2013 3 75 12.7 8.57 13.96 5.39
Show 69809 20 18 46 +35 06 43 FYM 178 AB,F 2013 3 289 27.8 8.57 14.02 5.45
Sextuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228849 Constellation Cygnus SAO 69809 Tycho2 2680-00908-1
Gaia DR2 2057121423049163136 HD 228849
 
 
WDS 20188+3507 BU 986 AB,C (HD 228849) : NOTES
 
 
discov_num notes refcode
A 286 AB: Rectilinear solution by Rica & Zirm (2012). FMR2012i
 
 
REFERENCES
 
 
refcode metd author reference
FMR2012i orb - Rica Romero, F.M. & Zirm, H. 2012IAUDS.177Q...1R
FMR2012i Inf. Circ. 177, 1, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
312 BU Burnham, S.W. (BU 1 - 81)
490 FOX Fox, P.
501 FYM Fay, M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20188+3507 BU 986 AB,C 1999 12 241 4.2 8.57 11.00 D 201845.81+350642.8
20188+3507 BU 986 AB,C 2019 13 241 4.2 8.57 11.00 201845.81+350642.8

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WDS 20188+3507 BU 986 AB,C (HD 228849) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20188+3507 BU 986 AB,C (HD 228849) : MEASURES
 
 
No records found.

 
 
WDS 20188+3507 (HD 228849) : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
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WDS 20188+3507 (HD 228849) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.