VizieR

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VizieR

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J/A+A/591/A149/higalblu Hi-GAL. inner Milky Way: +68≥l≥70 (Molinari+, 2016)
Blue (PACS 70um) band HIGAL Herschel catalog (120581 rows)
  recno=9091
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ColumnValue  Explain   (UCD)
_RAJ200019 10 11.9952 "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+09 06 29.261 "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 07 48.3859 "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+09 01 32.081 "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)
_Glon043.1677729 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+00.0184377 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)
9091recno 9091  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

rowid 9091  Sequential number (meta.record)
NameHIGALPB043.1678+0.0184  Designation of the source (HIGALPXLLL.llll+B.bbbb) (Note G1)   (meta.id;meta.main)
GLON 43.167778 deg Galactic longitude (pos.galactic.lon)
GLAT 0.018433 deg Galactic latitude (pos.galactic.lat)
e_GLON 0.01 deg rms uncertainty on GLON (stat.error)
e_GLAT 0.00 deg rms uncertainty on GLAT (stat.error)
RAJ2000287.54998 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+09.108128 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
ImageHIGAL0419n013_070_RM.fits  Atlas image name (ATLAS_IMAGE) (meta.id;meta.file)
Xpos 296.443 pix X position (pos.cartesian.x;instr.det)
Ypos1777.090 pix Y position (pos.cartesian.y;instr.det)
e_Xpos 0.004 pix rms uncertainty on Xpos (stat.error;pos.cartesian.x)
e_Ypos 0.000 pix rms uncertainty on Ypos (stat.error;pos.cartesian.y)
Sourcel041_0859  Source identification (SOURCE_ID) (meta.id)
Fint 1166.100 Jy Source-integrated flux measured from the fitting process, uncorrected (FINT_UNCORR) (phot.flux.density)
Fintc 1426.0600000 Jy Source-integrated flux measured from the fitting process after applying photometric corrections as a function of the source size, to account for source non-Gaussianity and for scan speed (FINT) (phot.flux.density)
e_Fintc 3.050 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 59523.688 MJy/sr Source peak flux measured from the fitting process (FPEAK) (phot.flux.density)
e_Fpeak 109.596 MJy/sr Uncertainty on the peak flux (ERR_FPEAK) (stat.error)
FWHMA 39.57 arcsec Full width at half maximum of the source along axis a of the elliptical Gaussian as determined by fitting engine (phys.angSize)
FWHMB 18.58 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 0.03 arcsec rms uncertainty on FWHMB (ERR_FWHMB) (stat.error)
PA-268.4 deg [] Position angle of the elliptical Gaussian (N E) (pos.posAng)
e_PA 0.1 deg rms uncertainty on PA (stat.error)
Bckg 79967.164 MJy/sr Background value determined at the source peak position (BACKGROUND) (instr.background)
Bckga 205784.25000 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 2622.81421 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-30697.38086 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 171.13329 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 1308.29150 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 -477.79358 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 19697.90000 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 25988.20000 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 2.29041  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 7.664  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 12.965  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 14.123  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 2.998  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 623.594 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 465.155 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 913.868 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 970.326 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)
Ncomp 1  Number of Gaussian components used simultaneously in the fitting process (NCOMP) (Note G4)   (meta.number)
Xcent 294 pix The x-pixel coordinate of the centre of the source fitting window in the original image (XCENT) (pos.cartesian.x;instr.det)
Ycent1778 pix The y-pixel coordinate of the centre of the source fitting window in the original image (YCENT) (pos.cartesian.y;instr.det)
Xwin 8 pix Half-width size of the source fitting window along x coordinate and centred at XCENT (XWINDOW) (pos.cartesian.x;instr.det)
Ywin 8 pix Half-width size of the source fitting window along y coordinate and centred at YCENT (YWINDOW) (pos.cartesian.y;instr.det)
NCont 7  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 1.91 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 277  Degrees of freedom of the source Gaussian fit (stat.fit.dof)
Chi2 3620000.0  chi2 determined by the fitting engine. (stat.fit.chi2)
Chi2O 574000.00  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)
GuessB1   [ABC 0123456789] Flag on quality of guessed source parameters as determined at the detection stage (GUESS_FLAG) (Note G6)   (meta.code.qual)
Group 0   [ABC 0123456789] Flag on quality of guessed source parameters as determined at the detection stage (GROUP_FLAG) (Note G6)   (meta.code.qual)
Constr2  Flag indicating the number of parameters that reached the tolerance limits allowed to the fit process (CONSTRAINS) (Note G8)   (meta.code)
rd2dx -0.229  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 0.813  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 0.489  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 0.403  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)
ovlapE  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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