Table 1.
NOAA AR 2678 3D loop triangulation results.
| Earth | Position 1 | Position 2 | Height above | Inclination α | |
|---|---|---|---|---|---|
| (Lat./Long.) | (Lat./Long.) | (Lat./Long.) | photosphere | degrees | |
| Closed loop | |||||
| Point 1 | −10.7° / − 3.04° | −13.2° / − 3.13° | −12.7° /35.16° | 16.0 Mm | |
| Point 2 | −12.9° /5.2° | −16.6° / − 5.9° | −16.2° /36.40° | 76.1 Mm | 15.5° |
| Point 3 | −12.9° / − 12.2° | −15.6° / − 12.9° | −15.3° /26.2° | 29.6 Mm | |
| Open loop | |||||
| Point 4 | −10.9° / − 16.5° | −13.4° / − 17.24° | −13.2° /21.3° | 22.3 Mm | |
| Point 5 | −11.7° / − 17.5° | −14.8° / − 19.2° | −14.6° /21.4° | 55.1 Mm | 54.1° |
| Open loop | |||||
| Point 6 | −6.9° / − 18.5° | −9.6° / − 19.9° | −9.3° /20.02° | 48.8 Mm | |
| Point 7 | −3.2° / − 21.7° | −5.90° / − 24.7° | −5.7° /17.4° | 89.1 Mm | 55.5° |
Notes. Latitude, longitude, and height above the photosphere of the seven selected points in Fig. 4. Column 1 indicates the point number. Columns 2, 3, and 4 show the latitude and longitude from Earth, Position 1 viewpoint, and Position 2 viewpoint, respectively. Column 5 lists the height of the points above the photosphere, and Col. 6 shows the inclination angles α between either the open or closed coronal loop plane and the vertical to the solar surface. See text for the meaning of closed and open loops.
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