Open Access
Table B.1
Keywords and values recognised by PIPPIN in the configuration file.
| PIPPIN configuration keywords | Recognised values | Description |
|---|---|---|
| Pre-processing options | ||
| run_pre_processing | bool | Set to False to only run PDI functions (True) |
| remove_data_products | bool | Remove reduced and sky-subtraction images (True) |
| split_observing_blocks | bool | Classification by observing ID (True) |
| y_pixel_range | [int,int] | Image cropping for more efficient reduction ([0,1024]) |
| Sky-subtraction | ||
| sky_subtraction_method | [dithering-offset,box-median] | Sky-subtraction method (dithering-offset) |
| sky_subtraction_min_offset | int | Minimum pixel offset between dithering positions or |
| box-median regions (100) | ||
| remove_horizontal_stripes | bool | Remove read-out pattern with more aggressive gradient fitting (False) |
| Centering | ||
| centering_method | [single-Moffat, double-Moffat,maximum] | Beam-fitting method (single-Moffat) |
| tied_offset | bool | Constrain the beam separation (False) |
| PDI options | ||
| size_to_crop | [int,int] | Height and width of final data products ([120,120]) |
| r_inner_IPS | [int,…] | Inner annulus radius for IP-subtraction ([3,6,9]) |
| r_outer_IPS | [int,…] | Outer annulus radius for IP-subtraction ([6,9,12]) |
| crosstalk_correction | bool | Correct for reduced U efficiency (False) |
| minimise_U_phi | bool | Minimise the Uϕ(False) |
| r_crosstalk | [int,int] | Inner and outer annulus radii to use for crosstalk-correction and Uϕ minimisation ([7,17]) |
| Object information | ||
| object_name | str | Object identifier in SIMBAD (derived from |
| directory-name) | ||
| disk_pos_angle | float | Disk position-angle in degrees (0.0) |
| disk_inclination | float | Disk inclination in degrees (0.0) |
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