24-28 May 2004Interop Meeting1 Realization of UCD1+ Andrea Preite Martinez Sébastien Derriere CDS.

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Presentation transcript:

24-28 May 2004Interop Meeting1 Realization of UCD1+ Andrea Preite Martinez Sébastien Derriere CDS

24-28 May 2004Interop Meeting2 From UCD1 to UCD1+ Summary –Procedure –Results –Structure of the tree –Open problems Doc.: WD-UCD WD-UCDlist WD-EMSpectrum

24-28 May 2004Interop Meeting3 From UCD1 to UCD1+ (1/4) Select UCD1 Get summary info (UCD1 browser) Consistency test (titles/c.names/units) –Y: define (1) UCD1+ –N: Get detailed descriptions (tab/col/paper) –define (n) UCD1+

24-28 May 2004Interop Meeting4 ex: %1 POS_EQ_DEC_MAIN %2 pos.eq.dec;meta.main %1 POS_EQ_RA_MAIN %2 pos.eq.ra;meta.main %1 POS_EQ_PMDEC %2 pos.pm.dec %1 POS_EQ_PMRA %2 pos.pm.ra %1 PHOT_FLUX_DENSITY %2 phot.fluxDens;em.radio MHz %1 PHOT_FLUX_DENSITY %2 phot.fluxDens;em.IR.4-8um %1 PHOT_FLUX_DENSITY %2 phot.fluxDens;em.IR.8-15um (11 columns in 10 tables) %1 POS_EQ_RA_CORR %2 time.expo %1 POS_EQ_RA_CORR %2 pos.eq.ra;arith.diff (13 columns in 11 tables)

24-28 May 2004Interop Meeting5 %1 PHOT_FLUX_X %2 phot.flux;em.opt %1 PHOT_FLUX_X %2 phot.fluxDens;em.radio MHz %1 PHOT_FLUX_X %2 phot.fluxDens;em.IR.4-8um %1 PHOT_FLUX_X %2 phot.flux;em.UV %1 PHOT_FLUX_X %2 phot.fluxDens;em.UV %1 PHOT_FLUX_X %2 phot.flux;arith.ratio %1 PHOT_FLUX_X %2 phot.flux;em.X-ray %1 PHOT_FLUX_X %2 phot.flux;em.X-ray.soft %1 PHOT_FLUX_X %2 phot.flux;em.X-ray.med %1 PHOT_FLUX_X %2 phot.flux;em.gamma.hard %1 PHOT_FLUX_X %2 phot.fluxDens;em.X-ray.soft %1 PHOT_FLUX_X %2 phot.fluxDens;em.X-ray.soft;stat.max %1 PHOT_FLUX_X %2 phot.fluxDens;em.X-ray.med %1 PHOT_FLUX_X %2 phot.fluxDens;em.gamma.hard %1 PHOT_FLUX_X %2 phot.fluxDens;em.X-ray.med;stat.max %1 PHOT_FLUX_X %2 phot.fluxDens;em.X-ray (328 columns in 140 tables)

24-28 May 2004Interop Meeting6 From UCD1 to UCD1+ (4/4) Results: –UCD1-UCD1+ table (1 to n), with n≥ 1 in 160 cases –Lists of UCD1+: atoms –error, mag, phot, stat words –phot.mag stat.error composed words –stat.error;phot.mag

24-28 May 2004Interop Meeting7 The UCD1+ tree arith6arithmetics em51electromagnetic spectrum instr38instrument meta33metadata obs7observation phot46photometry phys95physics (under revision) pos52positional data spect14spectral data src49source stat23statistics time14time

24-28 May 2004Interop Meeting8 arith –concepts involving or indicating some math operation performed on the primary concept: diff, ratio, gradient, rate em –description of the e.m. spectrum in bands: radio, mm, ir, opt, UV, x-ray, gamma –proposal: lines by name (Halpha, Br-alpha,..) instr –quantities related to instumentation: detector (plate, CCD), spectrograph, telescope, mission

24-28 May 2004Interop Meeting9 meta –all information not coming directly from a measurement (bib, code, id, main, record, ref, unit, …) obs –quantities describing an observation: observer, observing conditions,.. phot –photometric measurements: flux density, flux, magnitude, color(=mag diff, or flux ratio)

24-28 May 2004Interop Meeting10 phys –at + mol data (under revision) –basic phys. quantities (mass, temperature, dimension, luminosity,..) pos –quantities related to the position of an object (coordinates, proper motion, precession, parallaxes) spect –spectrophotometric data (kept for historical reasons)

24-28 May 2004Interop Meeting11 src –source classification, + variability, velocity and orbital data stat –statistical information on measurement (error, stdev, snr, mean, max, min,..), data fitting,.. time –time, date, age data

24-28 May 2004Interop Meeting12 statistics … UCD1: 1459 leaves (>1700 entries) UCD1+: –atoms: 356, including em_bands –words: 428 (not all of them are ucd1+) –UCD1+: 601 composed with >1 word: 267

24-28 May 2004Interop Meeting13 … syntax … which word is carrying the basic meaning? –words in first position: 347 –words in secondary positions: 121 “syntax“ flag: –P words (always primary) : 46 –S words (always secondary) : 10+em_bands –Q words : all the rest

24-28 May 2004Interop Meeting14 … and tools P_words Q_words S_words syntax description find_wordbuild_ucd1+ “standard error of proper motion in declination” P stat.error Q pos.pm.dec stat.error;pos.pm.dec

24-28 May 2004Interop Meeting15 > fwpqs main declination Q pos.eq.dec S meta.main > fwpqs main declination | b-ucd ucd1+ : pos.eq.dec;meta.main > fwpqs offset in declination | b-ucd ucd1+ : pos.eq.dec;arith.diff > fwpqs optical V magnitude Q phot.mag S em.opt S em.opt.V > fwpqs optical V magnitude | b-ucd ucd1+ : phot.mag;em.opt.V > fwpqs normalized Halpha line intensity | b-ucd ucd1+ : spect.line.intensity;em.line.Halpha;arith.ratio > fwpqs peak flux density at 21cm | b-ucd ucd1+ : phot.fluxDens;em.radio MHz;stat.max > fwpqs error in flux density at 21cm | b-ucd ucd1+ : stat.error;phot.fluxDens;em.radio MHz

24-28 May 2004Interop Meeting16 > fwpqs time Q time Q time.age Q time.crossing Q time.epoch Q time.expo Q time.interval Q time.phase Q time.relax Q time.resolution Q time.scale > fwpqs time | b-ucd ucd1+ : time > fwpqs time of observation Q time.epoch > fwpqs observing time Q time.expo > fwpqs photon counts at 6.5kev | b-ucd ucd1+ : phot.count;em.X-ray.medium

24-28 May 2004Interop Meeting17 Open problems: 1. control atomswordsUCD1+ control syntax tools rule s vocabulary

24-28 May 2004Interop Meeting18 em.x-ray.soft, em.x-ray.medium –(hard?) em.gamma.hard –(soft?) ERROR (3606 col.s, 262 units) => stat.error (;…..) meta.fits pos.ee (error ellipse) 2. incomplete complete with WD-EMSpectrum FITS -> UCD1+

24-28 May 2004Interop Meeting19 3. too generic obs.param stat.param stat.fit.param stat.value stat.error, stat.stdev phot.color phot.color.opt-ir (ad hoc patch!) –hardness/softness ratio => phot.flux;arith.ratio ??

24-28 May 2004Interop Meeting20 4. hierarchy (?) phot.color.V-I.cous but: phot.color.U-B phot.color.U-B.JHN phot.color.U-B.gen

24-28 May 2004Interop Meeting21 5. choices em –bands (WD-EMSpectrum) –continuum (like sky coo) –specific instr. bands em –em.opt.B.Hbeta –em.line.Hbeta(better because of redshift) f_phot f_band

24-28 May 2004Interop Meeting22 6. bull…. cryptic data meta.cryptic –PHOT_BRIGHTNESS-SLOPE : Spatial brightness distribution slope Col: Slope parameter in b-band Note: The slope parameter is defined as the slope of the logarithmic brightness residuals of each image against a polynomial representing the standard stellar profile. –FIT_RATIO : Ratio of Measurement to Theoretical Value Col: Ratio of I*lam to g*A Note: Ratio of I*lam to g*A, where I is the line intensity, lam is the line wavelength, g is the statistical weight of upper level and A is the transition probability. Ilam/gA should be the same for each set of lines with a common upper level.