20449+3839 ALI 951

 
 
20h 44m 53.93s +38° 38' 48.9" P.A. 49.00 sep 11.1 mag 9.79,12.90
 
 
Coord 2000 20449+3839 Discov num ALI 951 Comp Coord arcsec 2000 20 44 53.93 +38 38 48.9
Date first 1928 Date last 2015 Obs 8
Pa first 49 Pa last 49.1 P.A. Now (θ) 49.1°
Sep first 12.2 Sep last 11.126 Sep. Now (ρ) 11.126"
Mag pri 9.79 Mag sec 12.90 delta mag (ΔM) 3.11 Spectral class
Pri motion ra -001 Sec motion ra +002
Pri motion dec +000 Sec motion dec -003
Notes
rPM=1.177
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3166-00608-1 Gaia DR2 2063436296286781440
 
 
WDS 20449+3839 ALI 951 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ali1949 Pa - Ali, A. 1949AJ.....54..199A
Ali1949 AJ 54, 199, 1949
Ali1950 Pa - Ali, A. 1950AJ.....55..209A
Ali1950 AJ 55, 208, 1950
Ali1952 Pa - Ali, A. 1952AJ.....57..146A
Ali1952 AJ 57, 146, 1952
Ali1955 Pa - Ali, A. .
Ali1955 Pub. Nizamiah Obs. 13, Pt. 2, 1955
Ali9999 Pa - Ali, A. ...................
Ali9999 +Po Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20449+3839 ALI 951 1998 2 49 11.3 9.79 12.90 D 204453.93+383848.9
20449+3839 ALI 951 2002 3 49 11.2 9.79 12.90 D 204453.93+383848.9
20449+3839 ALI 951 2015 4 49 11.1 9.79 12.90 204453.93+383848.9

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WDS 20449+3839 ALI 951 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20449+3839 ALI 951 : MEASURES
 
 
No records found.

 
 
WDS 20449+3839 : VIRTUAL EYEPIECE
 
 

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Radius:
Components only
 
 
WDS 20449+3839 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.