20156+1526 HDS 2887 AB

 
 
20h 15m 33.68s +15° 26' 12.9" P.A. 244.00 sep 4.7 mag 8.85,13.18 Sp A0p... dist. 699.3 pc (2281.12 l.y.)
 
 
Coord 2000 20156+1526 Discov num HDS2887 Comp AB Coord arcsec 2000 20 15 33.68 +15 26 12.9
Date first 1991 Date last 1991 Obs 2
Pa first 244 Pa last 243.8 P.A. Now (θ) 243.8°
Sep first 4.7 Sep last 4.72 Sep. Now (ρ) 4.72"
Mag pri 8.85 Mag sec 13.18 delta mag (ΔM) 4.33 Spectral class A0p... (white)
Pri motion ra -001 Sec motion ra -001
Pri motion dec -011 Sec motion dec -011
Notes
Nature of this double is uncertain.
 
 
20156+1526 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 105902 20 15 34 +15 26 13 HDS 2887 AB 1991 2 244 4.7 8.85 13.18 4.33 <===
Show HD 192686 105902 20 15 34 +15 26 13 CHE 246 AC 2016 11 87 15.9 8.85 11.00 2.15
Show 105902 20 15 34 +15 26 13 CVP 1 AD 2016 8 340 39.7 8.85 12.75 3.90
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus SAO 105902 HIP 99857 Tycho2 1618-01698-1
Gaia DR2 1808316544571397760 HD 192686 BD BD+14 4240 Distance 699.3
Distance ly 2281.12
 
 
WDS 20156+1526 HDS 2887 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Che1908 Pa - Chevalier, Stanislas .
Che1908 Shanghai Obs. Zo-Se 4, 60, 1908 (corrections described in Bko2011c and Hrt2012b)
Che1909 Pa - Chevalier, Stanislas .
Che1909 Shanghai Obs. Zo-Se 5, 86, 1909 (corrections are described in Hrt2012b)
Che1910 Ma j Chevalier, Stanislas & Tsang Ziang-seng .
Che1910 +Pa Shanghai Obs. Zo-Se 6, O5, 1910 (corrections are described in Hrt2012b)
Che1911 Ma - Chevalier, Stanislas .
Che1911 +Pa Shanghai Obs. Zo-Se 7, B1, 1911 (corrections are described in Hrt2012b)
Che1925 Pa - Chevalier, Stanislas 1925JO......8...65G
Che1925 J. Obs. 8, 65, 1925
CvP2004 Ma u Cava, R.J. & Pascal, R.A., Jr. 2004DSO....10....3C
CvP2004 +Mb Double Star Observer 10, #3, 2004
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
20156+1526 HDS2887 AB 1991 2 244 4.7 8.85 13.18 A0p... 201533.68+152612.9

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WDS 20156+1526 HDS 2887 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20156+1526 HDS 2887 AB : MEASURES
 
 
No records found.

 
 
WDS 20156+1526 : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
Components only
 
 
WDS 20156+1526 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.