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 (Sbkɡ,Sbkɡinterp,Sbkɡfit)$\left( {{S_{bkg}},S_{bkg}^{interp},S_{bkg}^{fit}} \right)$ Jy/beam Sum of background brightness extrapolated over source pixels from median, interpolation, and polynomial fit methods
47 Serrbkɡ$S_{err}^{bk}$ Jy/beam Estimated uncertainty on S bkg
48 Serrnoise$S_{err}^{noise}$ 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 (Stotnested,Stot,errnested)$\left( {S_{tot}^{nested},S_{tot,err}^{nested}} \right)$ Jy/beam Sum of pixel brightness of point-like/compact sources (with background subtracted) found inside this source and its uncertainty
56-57 (StotnoPS,Stot,errnoPS)$\left( {S_{tot}^{noPS},S_{tot{\rm{,}}err}^{noPS}} \right)$ Jy/beam Sum of source pixel brightness (with background and nested compact sources subtracted) and its uncertainty
58-59 (FnoPS,FerrnoPS)$\left( {{F^{noPS}},F_{err}^{noPS}} \right)$ 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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