| J/MNRAS/474/5008/spidxcat | Radio spectral index 147-1400MHz (de Gasperin+, 2018) *Spectral index catalogue (1396515 rows) | recno=396402 |
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 00 06 04.49898408 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) |
| _DEJ2000 | +18 08 45.4130232 | "d:m:s" | Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) |
| _RAB1950 | 00 03 30.27375749 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) |
| _DEB1950 | +17 52 03.6724180 | "d:m:s" | Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) |
| _Glon | 108.02660149787 | deg | Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) |
| _Glat | -43.40902903063 | deg | Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) |
| 396402recno | 396402 | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) | |
| RAJ2000 | 001.518745767 | deg | (i) Right Ascension (J2000) (weighted average of NVSS and TGSS detections for Scode=SMCI) (pos.eq.ra;meta.main) |
| DEJ2000 | +18.145948062 | deg | (i) Declination (J2000) (weighted average (pos.eq.dec;meta.main) |
| FtotNVSS | 0.32 | Jy | NVSS 1.4GHz total flux (sum of detections fluxes for Scode=I, set to 0 for Scode=U) (phot.flux.density;em.radio.750-1500MHz) |
| e_FtotNVSS | 0.001 | Jy | rms uncertainty on FtotNVSS (quadratic mean of detection errors for Scode=I, set to 0 for Scode=U) (stat.error) |
| FpeakNVSS | 0.23 | Jy/beam | NVSS 1.4GHz peak flux (maximum of detections peak fluxes for Scode=I, set to 0 for Scode=U) (phot.flux.density;em.radio.750-1500MHz) |
| e_FpeakNVSS | 0.001 | Jy/beam | rms uncertainty on FpeakNVSS (error relative to the maximum of detections peak fluxes for Scode=I, set to 0 for Scode=U) (stat.error) |
| rmsNVSS | 0.000512 | Jy/beam | NVSS local rms noise (instr.det.noise) |
| FtotTGSS | 3.00 | Jy | TGSS 147MHz total flux (sum of detections fluxes for Scode=I, set to 0 for Scode=L) (phot.flux.density;em.radio.100-200MHz) |
| e_FtotTGSS | 0.015 | Jy | rms uncertainty on FtotTGSS (quadratic mean of detections error for Scode=I, set to 0 for Scode=L) (stat.error) |
| FpeakTGSS | 2.26 | Jy/beam | TGSS 147MHz peak flux (maximum of detections peak fluxes for Scode=I, set to 0 for Scode=L) (phot.flux.density;em.radio.100-200MHz) |
| e_FpeakTGSS | 0.006 | Jy/beam | rms uncertainty on FpeakTGSS (error relative to the maximum of detections peak fluxes for Scode=I, set to 0 for Scode=L) (stat.error) |
| rmsTGSS | 0.006181 | Jy/beam | Local rms noise (instr.det.noise) |
| SpIndex | -0.987508 | Spectral index between 147MHz and 1.4GHz (spect.index;em.radio.100-200MHz) | |
| e_SpIndex | 0.002898 | Spectral index error (set to 0 for Scode=LU) (stat.error) | |
| s2n | 578.37 | Peak flux over Island rms (phot.flux;arith.ratio) | |
| Scode | S | [SMCILU] Source code (Note 1) (meta.code) | |
| Nmatch | 1 | Number of matched sources in the same island (meta.number) | |
| NunmaNVSS | 0 | Number of NVSS unmatched sources in the same island (meta.number) | |
| NunmaTGSS | 0 | Number of TGSS unmatched sources in the same island (meta.number) | |
| IslId | 1341510 | [30/1855370] Island identification number (meta.id) | |
| SourceId | 396401 | [0/1396514] Unique source identification number (meta.id;meta.main) | |
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