Open Access
Table B.1
Format of the SMGPS extended source catalogue (64 data columns per source).
Col. Num. | Name | Unit | Description |
1 | tile_name | - | Tile image name |
2 | sname | - | Source name |
3 | sname_iau | - | Source name in IAU format |
4 | npix | - | Number of pixels in island |
5 | nnested | - | Number of child (nested) sources |
6 | Nnested_ext | - | Number of extended nested sources |
7 | nested_ext | - | Source name of the extended nested sources |
8 | morph_type | - | Morphology tag {0=EXTENDED, 1=DIFFUSE} |
9-10 | (bbox_x, bbox_y) | - | Source bounding box centre in pixels |
11-12 | (bbox_w, bbox_h) | - | Source bounding box width and height in pixels |
13-14 | (bbox_rot_x, bbox_rot_y) | -,- | Source rotated bounding box centre in pixels |
15-16 | (bbox_rot_w, bbox_rot_h) | -,- | Source rotated bounding box width, height in pixels and rotation angle |
17 | bbox_theta | deg | Source rotated bounding box angle |
18-19 | (x,y) | - | Source centroid position in pixels |
20-21 | (l, b) | deg,deg | Source centroid position in Galactic coordinates |
22-23 | (α,δ) | deg,deg | Source centroid position in J2000 Equatorial coordinates |
24-25 | (x_w,y_w) | - | Source flux-weighted centroid position in pixels |
26-27 | (l_w,b_w) | deg,deg | Source flux-weighted centroid position in Galactic coordinates |
28 | radius | - | Half the diagonal in pixels of the source bounding box |
29 | radius_wcs | arcmin | Half the diagonal of the source bounding box |
30-31 | (x_minCircle,y_minCircle) | - | Minimum circle centroid position in pixels |
32 | radius_minCircle | - | Radius in pixels of source minimum bounding circle |
33-34 | (x_minCircle_wcs, y _minCircle_wcs) | deg,deg | Minimum circle centroid position in Galactic coordinates |
35 | radius_minCircle_wcs | arcmin | Radius of source minimum bounding circle |
36-37 | (minSize_wcs,maxSize_wcs) | arcmin | Source angular minimum and maximum size obtained from minimum bounding rectangle |
38 | S | Jy/beam | Sum of source pixel brightness |
39-40 | (Smin,Smax) | Jy/beam | Minimum and maximum pixel brightness in source |
41-43 | (Smean,Smedian, Srms) | Jy/beam | Mean, median and standard deviation of source pixel brightness |
44-46 | ![]() |
Jy/beam | Sum of background brightness extrapolated over source pixels from median, interpolation, and polynomial fit methods |
47 | ![]() |
Jy/beam | Estimated uncertainty on S bkg |
48 | ![]() |
Jy/beam | Estimated uncertainty on S |
49 | Snoise | Jy/beam | Sum of background noise rms extrapolated over number of beams in source |
50-51 | (Stot, Stot,err) | Jy/beam | Sum of source pixel brightness with background subtracted and its uncertainty |
52-53 | (F, Ferr) | Jy | Source measured flux density (with background subtracted) and its statistical uncertainty |
54-55 | ![]() |
Jy/beam | Sum of pixel brightness of point-like/compact sources (with background subtracted) found inside this source and its uncertainty |
56-57 | ![]() |
Jy/beam | Sum of source pixel brightness (with background and nested compact sources subtracted) and its uncertainty |
58-59 | ![]() |
Jy | Source measured flux density (with background and nested compact sources subtracted) and its statistical uncertainty |
60 | is_flux_reliable | - | Flux density is likely reliable considering theoretical spatial filtering {0=NO, 1=YES} |
61 | border | - | Source is in the tile border {0=NO, 1=YES} |
62 | classname | - | Source classification label in string format |
63 | classid | - | Source classification id{−1=MULTICLASS, 0=UNCLASSIFIED, 1=LBV/WR, 2=GALAXY, 3=PN, 4=SNR, 6=HII} |
64 | objname | - | Matched catalogue object name(s) |
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