20553+4218 OSO 137 AD

 
 
20h 55m 16.75s +42° 18' 00.6" P.A. 276.00 sep 14.3 mag 10.27,18.70 Sp G5
 
 
Coord 2000 20553+4218 Discov num OSO 137 Comp AD Coord arcsec 2000 20 55 16.75 +42 18 00.6
Date first 1995 Date last 2000 Obs 2
Pa first 269 Pa last 276.1 P.A. Now (θ) 276.1°
Sep first 14.0 Sep last 14.29 Sep. Now (ρ) 14.29"
Mag pri 10.27 Mag sec 18.70 delta mag (ΔM) 8.43 Spectral class G5 (yellow)
Pri motion ra +057 Sec motion ra
Pri motion dec -390 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20553+4218 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 55 17 +42 18 01 OSO 137 AB 2000 2 116 10.8 10.27 18.50 8.23
Show 20 55 17 +42 18 01 OSO 137 AC 2000 2 225 11.6 10.27 18.40 8.13
Show 20 55 17 +42 18 01 OSO 137 AD 2000 2 276 14.3 10.27 18.70 8.43 <===
Show 20 55 17 +42 18 01 OSO 137 AE 2000 2 295 14.9 10.27 18.90 8.63
Show 20 55 17 +42 18 01 OSO 137 AF 2000 2 137 16.8 10.27 17.90 7.63
Show 20 55 17 +42 18 01 OSO 137 AG 2000 2 346 25.0 10.27 17.50 7.23
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3175-00128-1
 
 
WDS 20553+4218 OSO 137 AD : NOTES
 
 
discov_num notes refcode
OSO 137 G212-007. AB, AC, AD, AF and AG are not common proper motion pairs,
based on comparison with POSS2 red plates Oso2004
 
 
REFERENCES
 
 
refcode metd author reference
Oso2004 C j Zapatero Osorio, M.R. & Martin, E.L. 2004A&A...419..167Z
Oso2004 +Pa A&A 419, 167, 2004
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20553+4218 OSO 137 AD 1995 1 269 14.0 10.27 18.70 N D 205516.75+421800.6
20553+4218 OSO 137 AD 2000 2 276 14.3 10.27 18.70 N D 205516.75+421800.6

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20553+4218 OSO 137 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20553+4218 OSO 137 AD : MEASURES
 
 
No records found.

 
 
WDS 20553+4218 : VIRTUAL EYEPIECE
 
 

virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 20553+4218 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.