19511+2306 CHE 162 AB

 
 
19h 50m 48.77s +23° 04' 47.1" P.A. 75.00 sep 23.1 mag 12.57,13.31
 
 
Coord 2000 19511+2306 Discov num CHE 162 Comp AB Coord arcsec 2000 19 50 48.77 +23 04 47.1
Date first 1907 Date last 2015 Obs 9
Pa first 75 Pa last 74.8 P.A. Now (θ) 74.8°
Sep first 22.9 Sep last 23.136 Sep. Now (ρ) 23.136"
Mag pri 12.57 Mag sec 13.31 delta mag (ΔM) 0.74 Spectral class
Pri motion ra -007 Sec motion ra -005
Pri motion dec -008 Sec motion dec +005
Notes N (See Notes)
rPM=1.237
This double is not physical.
 
 
19511+2306 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 50 49 +23 04 47 CHE 162 AB 2015 9 75 23.1 12.57 13.31 0.74 <===
Show 19 50 49 +23 04 47 BKO 999 AC 2015 8 359 7.4 12.40 14.90 2.50
Show 19 50 50 +23 04 53 BKO 999 BD 2015 4 170 5.8 12.10 13.50 1.40
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Gaia DR2 1828216639907894144
 
 
WDS 19511+2306 CHE 162 AB : NOTES
 
 
discov_num notes refcode
CHE 162 There was an error in Chevalier's coordinates due to incorrect Che1908
plate center coordinates. In addition, there was a trigonometric
error in deriving theta; the correct value is 180deg - theta. Hrt2012b
Berko's match was actually CHE 164. Bko2011c
 
 
REFERENCES
 
 
refcode metd author reference
Bko2011c C u Berko, E. ...................
Bko2011c Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042)
Che1908 Pa - Chevalier, Stanislas .
Che1908 Shanghai Obs. Zo-Se 4, 60, 1908 (corrections described in Bko2011c and Hrt2012b)
Hrt2012b E2 - Hartkopf, W.I. ...................
Hrt2012b Webb Soc., Double Star Circ. 20, 2012
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19511+2306 CHE 162 AB 2008 4 75 23.4 12.57 13.31 N 195048.77+230447.1
19511+2306 CHE 162 AB 2015 5 75 23.2 12.57 13.31 N 195048.77+230447.1

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WDS 19511+2306 CHE 162 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19511+2306 CHE 162 AB : MEASURES
 
 
No records found.

 
 
WDS 19511+2306 : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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WDS 19511+2306 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.