20490+2540 HDS 2966 (HD 198366)

 
 
20h 48m 59.70s +25° 40' 20.7" P.A. 229.00 sep 0.5 mag 8.00,11.56 Sp B9 dist. 340.14 pc (1109.54 l.y.)
 
 
Coord 2000 20490+2540 Discov num HDS2966 Comp Coord arcsec 2000 20 48 59.70 +25 40 20.7
Date first 1991 Date last 2016 Obs 4
Pa first 226 Pa last 229.4 P.A. Now (θ) 229.4°
Sep first 0.5 Sep last 0.518 Sep. Now (ρ) 0.518"
Mag pri 8.00 Mag sec 11.56 delta mag (ΔM) 3.56 Spectral class B9 (blue-white)
Pri motion ra +017 Sec motion ra
Pri motion dec +008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 198366 Constellation Vulpecula SAO 89161 HIP 102728
Tycho2 2175-01805-1 Gaia DR2 1843793622967665408 HD 198366 BD BD+25 4383
Distance 340.14 Distance ly 1109.54
 
 
WDS 20490+2540 HDS 2966 (HD 198366) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20490+2540 HDS2966 1991 1 226 0.5 8.00 11.56 B9 D 204859.70+254020.7
20490+2540 HDS2966 2016 3 229 0.5 8.00 11.56 B9 204859.70+254020.7

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WDS 20490+2540 HDS 2966 (HD 198366) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20490+2540 HDS 2966 (HD 198366) : MEASURES
 
 
No records found.

 
 
WDS 20490+2540 (HD 198366) : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
Components only
 
 
WDS 20490+2540 (HD 198366) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.