WDS 02217+3441 PTT 4 BC : 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Unpublished, manuscript or reference not found.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 |
| 02217+3441 |
PTT 4 |
BC |
2006 |
5 |
143 |
1.9 |
11.52 |
11.50 |
|
|
022143.70+344113.8 |
| 02217+3441 |
PTT 4 |
BC |
2009 |
6 |
148 |
1.8 |
11.52 |
11.50 |
|
|
022143.70+344113.8 |
| 02217+3441 |
PTT 4 |
BC |
2015 |
7 |
148 |
1.8 |
11.52 |
11.50 |
|
|
022143.70+344113.8 |
| 02217+3441 |
PTT 4 |
BC |
2016 |
8 |
148 |
1.8 |
11.52 |
11.50 |
|
|
022143.70+344113.8 |
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