Table information for 'spire_blind.scat250'


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Resource Description: SPIRE catalogues from the Herschel Extragalactic Legacy Project.

For a list of all services and tables belonging to this table's resource, see Information on resource 'HELP SPIRE catalogues'

Citing this table

This table has an associated publication. If you use data from it, it may be appropriate to reference either in addition to or instead of the service reference.

Reference the Table

To cite the table as such, we suggest the following BibTeX entry:

  title={{HELP} {SPIRE} catalogues},
  author={Roehlly, Y.; et al},
  howpublished={{VO} resource provided by the The Virtual Observatory at susseX ({VOX})}


Sorted by DB column index. [Sort alphabetically]

NameTable Head DescriptionUnitUCD
Field Field Name of the field in the HerMES survey N/A;obs.field
IAU_name IAU name IAU name of the source N/A;meta.main
RA RA Right Ascension deg pos.eq.ra;meta.main
Dec Dec Declination deg pos.eq.dec;meta.main
F_SPIRE250 F_SPIRE250 Flux density at 250 micron mJy phot.flux;;meta.main
FErr_SPIRE250 FErr_SPIRE250 Error (inst.) in flux density at 250 micron mJy stat.error;phot.flux;
FErrTot_SPIRE250 FErrTot_SPIRE250 Total error (inst.+conf.) in flux density at 250 micron mJy stat.error;phot.flux;
Chi250 Chi250 Local reduced chi2 statistic of photometry fit in 11x11 pixel window N/A
gID gID ID of the segment where the source is N/A
gSize gSize Number of sources in the segment gID N/A meta.number
Bkg250 Bkg250 Background substracted from 250 micron map N/A instr.background;;
Flag Flag Flag giving additional information on the source [Note scatflag] N/A meta.code

Columns that are parts of indices are marked like this.


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Note scatflag

The source extracted from the deepest part of the CDFS-SWIRE map are flagged with "goods-s".

More Information on the Base Resource

The Herschel Extragalactic Legacy Project (HELP) intends to produce a multi-wavelength, comprehensive data set of the galaxy population at high redshift. The Herschel Space Observatory has the unique property of being able to probe the presence of star formation in extremely dusty galaxies through observations of the far infra-red and sub-millimetre portion of the electromagnetic spectrum. However, Herschel has relatively poor spatial resolution, making it difficult to disentangle which galaxies are responsible for what amount of flux.

HELP aims to robustly address this issue with the use of as many complimentary data sets as possible. With the inclusion of data at shorter wavelengths (such as the optical, radio and near-infra-red), which have much higher spatial resolution, the deblending of Herschel flux into component parts can be undertaken in a much more robust, informed manner. The ultimate goal of HELP is to produce a multi-wavelength data set, which will be easy to use so that astronomers not currently used to working with Herschel data or high redshift surveys could make use of the statistical samples found within the HELP catalogue.

These are the Herschel SPIRE catalogues from HELP.