20249+1309 J 841 AB,C

 
 
20h 24m 56.07s +13° 08' 58.0" P.A. 82.00 sep 8.4 mag 10.00,10.70 Sp F8
 
 
Coord 2000 20249+1309 Discov num J   841 Comp AB,C Coord arcsec 2000 20 24 56.07 +13 08 58.0
Date first 1906 Date last 2018 Obs 21
Pa first 81 Pa last 82 P.A. Now (θ) 82°
Sep first 7.9 Sep last 8.388 Sep. Now (ρ) 8.388"
Mag pri 10.00 Mag sec 10.70 delta mag (ΔM) 0.7 Spectral class F8 (yellow-white)
Pri motion ra +004 Sec motion ra +011
Pri motion dec -001 Sec motion dec -001
Notes N (See Notes)
rPM=0.634
Nature of this double is uncertain.
 
 
20249+1309 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 24 56 +13 08 58 J 841 AB 2013 4 133 0.2 10.40 11.40 1.00
Show 20 24 56 +13 08 58 J 841 AB,C 2018 21 82 8.4 10.00 10.70 0.70 <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1086-01442-1 Gaia DR2 1804015147699315456
 
 
WDS 20249+1309 J 841 AB,C : NOTES
 
 
discov_num notes refcode
J 841 Not seen by any observer other than Jonckheere since discovery. J__1912g
 
 
REFERENCES
 
 
refcode metd author reference
J__1912g Ma j Jonckheere, R. ...................
J__1912g Journal Astronomique 2, no. 25, 1, 1912
 
 
DISCOVERER
 
 
idgroup discov author
1 J Jonckheere, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20249+1309 J 841 AB,C 1997 12 83 8.3 10.10 10.50 N D 202456.07+130858.0
20249+1309 J 841 AB,C 2011 13 82 8.4 10.10 10.50 N D 202456.07+130858.0
20249+1309 J 841 AB,C 2012 15 82 8.4 10.10 10.50 N D 202456.07+130858.0
20249+1309 J 841 AB,C 2018 16 83 8.4 10.00 10.70 F8 N 202456.07+130858.0

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WDS 20249+1309 J 841 AB,C : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20249+1309 J 841 AB,C : MEASURES
 
 
No records found.

 
 
WDS 20249+1309 : VIRTUAL EYEPIECE
 
 

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WDS 20249+1309 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.