Table 1
Parameters associated with the interstellar scintillation of J1819+3845 collated from Dennett-Thorpe & de Bruyn (2003) and Macquart & de Bruyn (2007).
| Parameter | Value |
|
|
|
| D | 1−3 pc |
| SM | (2.5 ± 0.4) × 1017m−17/3 |
| = (8 ± 1) × 10-3m−20/3 kpc | |
| v α | 33.5 km s-1 |
| v δ | −13.5 km s-1 |
| R |
|
| β | 83° ± 4° (N through E) |
Notes. The parameters vα and vδ refer to the velocity of the scattering screen with respect to the heliocentre. Its velocity with respect to Earth changes during the course of the year. On 30 Jan. the velocity with respect to Earth is (v⊕ α,v⊕ δ) = (9.2, −31.9) km s-1.
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