VizieR

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VizieR

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J/A+A/591/A149/higalpsw Hi-GAL. inner Milky Way: +68≥l≥70 (Molinari+, 2016)
PSW (SPIRE 250um) band HIGAL Herschel catalog (280143 rows)
  recno=27646
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ColumnValue  Explain   (UCD)
_RAJ200019 22 14.0304 "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+14 02 52.778 "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)
_RAB195019 19 55.8640 "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+13 57 05.604 "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)
_Glon048.9115022 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-00.2854202 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)
27646recno 27646  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

rowid 27646  Sequential number (meta.record)
NameHIGALPS048.9115-0.2854  Designation of the source (HIGALPXLLL.llll+B.bbbb) (Note G1)   (meta.id;meta.main)
GLON 48.911506 deg Galactic longitude (pos.galactic.lon)
GLAT-0.285424 deg Galactic latitude (pos.galactic.lat)
e_GLON 0.00 deg rms uncertainty on GLON (stat.error)
e_GLAT 0.04 deg rms uncertainty on GLAT (stat.error)
RAJ2000290.55846 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+14.047994 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
ImageHIGAL0482p012_250_RM.fits  Atlas image name (ATLAS_IMAGE) (meta.id;meta.file)
Xpos 508.500 pix X position (pos.cartesian.x;instr.det)
Ypos 709.361 pix Y position (pos.cartesian.y;instr.det)
e_Xpos 0.000 pix rms uncertainty on Xpos (stat.error;pos.cartesian.x)
e_Ypos 0.007 pix rms uncertainty on Ypos (stat.error;pos.cartesian.y)
Sourcel048_1777  Source identification (SOURCE_ID) (meta.id)
Fint 24.123 Jy Source-integrated flux measured from the fitting process, uncorrected (FINT_UNCORR) (phot.flux.density)
e_Fint 0.789 Jy Uncertainty on the integrated flux computed by multiplicating the fitted source residual rms (RMS_TOTAL) by the fitted source area as estimated by FWHMA and FWHMB (ERR_FINT) (stat.error)
Fpeak 1482.115 MJy/sr Source peak flux measured from the fitting process (FPEAK) (phot.flux.density)
e_Fpeak 48.470 MJy/sr Uncertainty on the peak flux (ERR_FPEAK) (stat.error)
FWHMA 36.00 arcsec Full width at half maximum of the source along axis a of the elliptical Gaussian as determined by fitting engine (phys.angSize)
FWHMB 16.96 arcsec Full width at half maximum of the source along axis b of the elliptical Gaussian as determined by fitting engine (phys.angSize)
e_FWHMA 0.00 arcsec rms uncertainty on FWHMA (ERR_FWHMA) (stat.error)
e_FWHMB 0.00 arcsec rms uncertainty on FWHMB (ERR_FWHMB) (stat.error)
PA-112.8 deg [] Position angle of the elliptical Gaussian (N E) (pos.posAng)
e_PA 1.9 deg rms uncertainty on PA (stat.error)
Bckg 3952.647 MJy/sr Background value determined at the source peak position (BACKGROUND) (instr.background)
Bckga 2305.75049 MJy/sr Coefficient a of the zero-order term of the background obtained by the fit at the source peak position (BACK_ACOEFF) (instr.background)
Bckgb -92.88741 MJy/sr Coefficient b of the first-order term x of the background obtained by the fit at the source peak position (BACK_BCOEFF) (instr.background)
Bckgc 300.73032 MJy/sr/pix Coefficient c of the first-order term y of the background obtained by the fit at the source peak position (BACK_CCOEFF) (instr.background)
Bckgd -0.20493 MJy/sr/pix2 Coefficient d of the second-order term x2 of the background obtained by the fit at the source peak position (BACK_DCOEFF) (instr.background)
Bckge -8.70965 MJy/sr/pix2 Coefficient e of the second-order term y2 of the background obtained by the fit at the source peak position (BACK_ECOEFF) (instr.background)
Bckgf 2.25606 MJy/sr/pix2 Coefficient f of the second-order term xy of the background obtained by the fit at the source peak position (BACK_FCOEFF) (instr.background)
rms 763.55800 MJy/sr Standard deviation, loc, of the residuals computed within the source area defined by FWHMA and FWHMB after subtracting the best fit (RMS_TOTAL) (stat.stdev;phot.flux.density;meta.modelled)
rmss 768.21200 MJy/sr Standard deviation, loc, of the residuals computed within the fitting window after subtracting the best fit, excluding both the pixels that belong to the source and the pixels belonging to other sources that fall within the fitting window (RMS_SURROUND) (stat.stdev)
SNR 1.92930  Signal-to-noise ratio obtained by dividing FPEAK by the residual rms over a source area with FWHMA and FWHMB as semi-axes (SNR) (stat.snr;meta.modelled)
detX 37.105  Relevance of the source in the second-derivative map along the x-axis defined as the ratio between the measured second derivative at source peak position and the adopted local threshold value (DET_X) (stat.fit.param)
detY 77.531  Relevance of the source in the second-derivative map along the y-axis defined as the ratio between the measured second derivative at source peak position and the adopted local threshold value (DET_Y) (stat.fit.param)
detX45 45.833  Relevance of the source in the second-derivative map along the bisector of the xy-axis defined as the ratio between the measured second derivative at source peak position and the adopted local threshold value (DET_X45) (stat.fit.param)
detY45 48.009  Relevance of the source in the second-derivative map along the bisector of the yx-axis defined as the ratio between the measured second derivative at source peak position and the adopted local threshold value (DET_Y45) (stat.fit.param)
detlimX 17.212 MJy/sr/pix2 Absolute value for the local detection limit threshold adopted for the second derivative along the x-axis coordinate (DETLIM_X) (stat.fit.param)
detlimY 13.745 MJy/sr/pix2 Absolute value for the local detection limit threshold adopted for the second derivative along the y-axis coordinate (DETLIM_Y) (stat.fit.param)
detlimx45 27.203 MJy/sr/pix2 Absolute value for the local detection limit threshold adopted for the second derivative along the bisector of the first and third quadrant (DETLIM_X45) (stat.fit.param)
detlimy45 28.170 MJy/sr/pix2 Absolute value for the local detection limit threshold adopted for the second derivative along the bisector of the second and fourth quadrant (DETLIM_Y45) (stat.fit.param)
Clump0  Flag for confusion at detection level (CLUMP_FLAG) (Note G3)   (meta.code)
Ncomp5  Number of Gaussian components used simultaneously in the fitting process (NCOMP) (Note G4)   (meta.number)
Xcent 508 pix The x-pixel coordinate of the centre of the source fitting window in the original image (XCENT) (pos.cartesian.x;instr.det)
Ycent 709 pix The y-pixel coordinate of the centre of the source fitting window in the original image (YCENT) (pos.cartesian.y;instr.det)
Xwin13 pix Half-width size of the source fitting window along x coordinate and centred at XCENT (XWINDOW) (pos.cartesian.x;instr.det)
Ywin14 pix Half-width size of the source fitting window along y coordinate and centred at YCENT (YWINDOW) (pos.cartesian.y;instr.det)
NCont 9  Number of other sources falling inside the fitting window whose presence is taken into account at fitting stage. Not all those other sources might have been fitted at the same time (NCONTAM) (meta.number)
Cent 1.50 pix Maximum variation in pixels for adjustment of the fit centre with respect to the position of detection, measured as the distance between the latter and the brightest local (within three pixels) pixel in the fitting window (CENT_TOL) (arith.rate;stat.max)
DOF 755  Degrees of freedom of the source Gaussian fit (stat.fit.dof)
Chi2 206000.000  chi2 determined by the fitting engine. (stat.fit.chi2)
Chi2O 71500.000  Estimator of the fidelity between the fit and the data computed as phi=(O(i)-F(i))2/F(i), where O(i) is the observed data in the i pixel of the fitting window and F(i) is the fitted value in the same position (CHI2OPP) (stat.fit.chi2)
fitst1   [0/4] Flag returned from the fitting engine (FIT_STATUS) (Note G5)   (meta.code)
GuessC2   [ABC 0123456789] Flag on quality of guessed source parameters as determined at the detection stage (GUESS_FLAG) (Note G6)   (meta.code.qual)
Group 89253   [ABC 0123456789] Flag on quality of guessed source parameters as determined at the detection stage (GROUP_FLAG) (Note G6)   (meta.code.qual)
Constr3  Flag indicating the number of parameters that reached the tolerance limits allowed to the fit process (CONSTRAINS) (Note G8)   (meta.code)
rd2dx 1.121  Ratio between the second-derivative value along x direction expected by the fitted model of the source and the second derivative derivative measured at the detection stage (RDETP2DX) (Note G9)   (stat.fit.param)
rd2dy 0.405  Ratio between the second-derivative value along y direction expected by the fitted model of the source and the second derivative measured at the detection stage. (RDETP2DY) (stat.fit.param)
rd2dx45 1.080  Ratio between the second-derivative value along the bisector of the xy direction expected by the fitted model of the source and the second derivative measured at the detection stage. (RDETP2DX45) (stat.fit.param)
rd2dy45 0.795  Ratio between the second-derivative value along the bisector of the yx direction expected by the fitted model of the source and the second derivative measured at the detection stage. (RDETP2DY45) (stat.fit.param)
ovlapH  Flag to indicate whether the source has been detected and extracted in one or more adjacent tiles (OVERLAP_FLAG) (Note G10)   (meta.code)
ovflux 0  Flag to indicate which flux values were adopted if detected and extracted in two adjacent tiles (OVFLUX_FLAG) (Note G11)   (meta.code)
  
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