WDS 08212+3758 PTT 21 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ptt1917 Ma - Pettit, E. 1917AJ.....30..167P
Ptt1917 AJ 30, 167, 1917
Ptt1921 Ma - Pettit, E. 1921AJ.....33..150P
Ptt1921 AJ 33, 150, 1921
Ptt1958 Zw - Pettit, E. 1958AJ.....63..324P
Ptt1958 AJ 63, 324, 1958
Ptt1958 (Visual measures with wedge photometer on 60in Mt. Wilson reflector)
Ptt9999 Ma - Pettit, E. ...................
Ptt9999 Unpublished, manuscript or reference not found.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
08212+3758 PTT 21 2004 8 183 4.5 10.45 10.73 D 082112.43+375800.1
08212+3758 PTT 21 2010 10 183 4.4 10.45 10.73 082112.43+375800.1
08212+3758 PTT 21 2017 12 183 4.5 10.45 10.73 W 082112.43+375800.1
08212+3758 PTT 21 2018 13 183 4.5 10.45 10.73 W 082112.43+375800.1

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