2010A&A...518L..20V -
Astronomy and Astrophysics, volume 518, L20-20 (2010/7-2)
The HerMES SPIRE submillimeter local luminosity function.
VACCARI M., MARCHETTI L., FRANCESCHINI A., ALTIERI B., AMBLARD A., ARUMUGAM V., AULD R., AUSSEL H., BABBEDGE T., BLAIN A., BOCK J., BOSELLI A., BUAT V., BURGARELLA D., CASTRO-RODRIGUEZ N., CAVA A., CHANIAL P., CLEMENTS D.L., CONLEY A., CONVERSI L., COORAY A., DOWELL C.D., DWEK E., DYE S., EALES S., ELBAZ D., FARRAH D., FOX M., GEAR W., GLENN J., GONZALEZ-SOLARES E.A., GRIFFIN M., HALPERN M., HATZIMINAOGLOU E., HUANG J., IBAR E., ISAAK K., IVISON R.J., LAGACHE G., LEVENSON L., LU N., MADDEN S., MAFFEI B., MAINETTI G., MORTIER A.M.J., NGUYEN H.T., O'HALLORAN B., OLIVER S.J., OMONT A., PAGE M.J., PANUZZO P., PAPAGEORGIOU A., PEARSON C.P., PEREZ-FOURNON I., POHLEN M., RAWLINGS J.I., RAYMOND G., RIGOPOULOU D., RIZZO D., RODIGHIERO G., ROSEBOOM I.G., ROWAN-ROBINSON M., SANCHEZ PORTAL M., SCHULZ B., SCOTT D., SEYMOUR N., SHUPE D.L., SMITH A.J., STEVENS J.A., SYMEONIDIS M., TRICHAS M., TUGWELL K.E., VALIANTE E., VALTCHANOV I., VIGROUX L., WANG L., WARD R., WRIGHT G., XU C.K. and ZEMCOV M.
Abstract (from CDS):
Local luminosity functions are fundamental benchmarks for high-redshift galaxy formation and evolution studies as well as for models describing these processes. Determining the local luminosity function in the submillimeter range can help to better constrain in particular the bolometric luminosity density in the local Universe, and Herschel offers the first opportunity to do so in an unbiased way by imaging large sky areas at several submillimeter wavelengths. We present the first Herschel measurement of the submillimeter 0<z<0.2 local luminosity function and infrared bolometric (8-1000µm) local luminosity density based on SPIRE data from the HerMES Herschel key program over 14.7 deg2. Flux measurements in the three SPIRE channels at 250, 350 and 500µm are combined with Spitzer photometry and archival data. We fit the observed optical-to-submillimeter spectral energy distribution of SPIRE sources and use the 1/Vmax estimator to provide the first constraints on the monochromatic 250, 350 and 500µm as well as on the infrared bolometric (8-1000µm) local luminosity function based on Herschel data. We compare our results with modeling predictions and find a slightly more abundant local submillimeter population than predicted by a number of models. Our measurement of the infrared bolometric (8-1000µm) local luminosity function suggests a flat slope at low luminosity, and the inferred local luminosity density, 1.31–0.21+0.24x108L☉/Mpc3, is consistent with the range of values reported in recent literature.
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Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
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Grey values are increasing the original precision due to the computation of frame transformations
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[error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
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Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
ra dec : right ascension and declination (unit and frame defined according to your Output Options)
Grey values are increasing the original precision due to the computation of frame transformations
(wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
[error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
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A : VLBI, Hipparcos
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10 41 51.0 +58 15 47
[
]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
ra dec : right ascension and declination (unit and frame defined according to your Output Options)
Grey values are increasing the original precision due to the computation of frame transformations
(wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
[error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
position angle (in degrees North celestial pole to East)
quality : flag of quality
E ≥ 10"
D : 1-10" (and some old data)
C : 0.1-1"
B : 0.01-0.1" + 2MASS, Tyc
A : VLBI, Hipparcos
bibcode : bibcode of the coordinates reference
Gal
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(ep=J2000) :
149.7686 +52.0314
[
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', {sourceSize:12, color:'#30a090'})); aladin.on('objectClicked', function(object) { var objName=object.data.MAIN_ID; aladin.showPopup(object.ra,object.dec,'',''+ objName+''); });" title="Show Simbad objects">
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