Table information for 'alma_fits.alma_fits'

General

Table Description: The resource contains the recommendations and requirements for ALMA FITS products of the Inter-ARC ALMA Science Archive Working Group (ASAWG) with the view to including a metadataset that is complete and easily accessible by the ChiVO Data Provider (CDP) and ALMA Archives.

This table is available for ADQL queries and through the TAP endpoint.

Resource Description: The resource contains the recommendations and requirements for ALMA FITS products of the Inter-ARC ALMA Science Archive Working Group (ASAWG) with the view to including a metadataset that is complete and easily accessible by the ChiVO Data Provider (CDP).

For a list of all services and tables belonging to this table's resource, see Information on resource 'ChiVO Data Provider for ALMA FITS'

Citing this table

Reference the Table

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

@MISC{vo:alma_fits_alma_fits,
  year=2017,
  title={{ChiVO} Data Provider for {ALMA} {FITS}},
  author={{ChiVO} Team},
  url={https://vo.chivo.cl/tableinfo/alma_fits.alma_fits},
  howpublished={{VO} resource provided by the {ChiVO}}
}

Fields

Sorted alphabetically. [Sort by DB column index]

NameTable Head DescriptionUnitUCD
access_url URL Download. URL of the data file. N/A meta.ref.url;meta.main
accref Product key Access key for the data N/A N/A
accsize File size Size of the data in bytes byte VOX:Image_FileSize
bandpassHi Band upper Upper limit of the bandpass (in BandPass_Unit units) m VOX:BandPass_HiLimit
bandpassId Bandpass Freeform name of the bandpass used N/A VOX:BandPass_ID
bandpassLo Band lower Lower limit of the bandpass (in BandPass_Unit units) m VOX:BandPass_LoLimit
bandpassRefval Band Ref. Characteristic quantity for the bandpass of the image m VOX:BandPass_RefValue
bandpassUnit Bandpass unit Unit of bandpass specifications (always m). N/A VOX:BandPass_Unit
centerAlpha Ctr. RA Approximate center of image, RA deg POS_EQ_RA_MAIN
centerDelta Ctr. Dec Approximate center of image, Dec deg POS_EQ_DEC_MAIN
coverage Coverage Field covered by the image deg N/A
date_obs DATE-OBS Observation start time. N/A time.epoch;meta.main
dateObs Obs. date Epoch at midpoint of observation d VOX:Image_MJDateObs
embargo Embargo ends Date the data will become/became public a N/A
file_name Name File Name of the file FITS. N/A meta.id;meta.file;meta.main
gous GOUS Group observing unit set status uid. N/A meta.gous;meta.main
imageTitle Title Synthetic name of the image N/A VOX:Image_Title
instId Instrument Identifier of the originating instrument N/A INST_ID
instrument_name INSTRUME The receiver band used for the image observations. N/A meta.id;instr;meta.main
latpole LATPOLE Latitude in the coordinate system of celestial system’s north pole. N/A meta.latpole;meta.main
lonpole LONPOLE Longitude in the coordinate system of celestial system’s north pole. N/A meta.lonpole;meta.main
mime Type MIME type of the file served N/A N/A
mous MOUS Member observing unit set status uid. N/A meta.mous;meta.main
nAxes #axes Number of axes in data N/A VOX:Image_Naxes
naxis NAXIS Number of axes in the associated data array. N/A pos.wcs.naxis;meta.main
naxisn NAXISn Number of elements along axis n of a data array (n = 1-NAXIS). ASA data must have four NAXIS terms. N/A pos.wcs.naxisn;meta.main
obsgeo_x OBSGEO-X X−coordinate in cartesian geocentric terrestrial reference frame, specifying the location the observation took place at time given in MJD-AVG. N/A pos.cartesian.x;meta.main
obsgeo_y OBSGEO-Y Y−coordinate in cartesian geocentric terrestrial reference frame, specifying the location the observation took place at time given in MJD-AVG. N/A pos.cartesian.y;meta.main
obsgeo_z OBSGEO-Z Z−coordinate in cartesian geocentric terrestrial reference frame, specifying the location the observation took place at time given in MJD-AVG. N/A pos.cartesian.y;meta.main
owner Owner Owner of the data N/A N/A
pixelScale Scales The pixel scale on each image axis deg/pix VOX:Image_Scale
pixelSize Axes Lengths Number of pixels along each of the axes pix VOX:Image_Naxis
pixflags P. Flags Flags specifying the processing done (C-original; F-resampled; Z-fluxes valid; X-not resampled; V-for display only N/A VOX:Image_PixFlags
radesys RADESYS Name of the reference frame of equatorial or ecliptic coordinates. N/A pos.eq.radesys;meta.main
refFrame Ref. Frame Coordinate system reference frame N/A VOX:STC_CoordRefFrame
restfrq RESTFRQ ontingent on the type of measurements being made: For transition line measurements: the rest frequency of the of the spectral feature of interest in Hz. For continuum measurements: the centre of the band of the spectral window. N/A pos.eq.restfrq;meta.main
s_dec DEC The Declination coordinate of image center, in the in the system specified in EQUINOX and RADESYS. N/A pos.eq.dec;meta.main
s_ra RA The Right Ascension coordinate of image center, in the system specified in EQUINOX and RADESYS. N/A pos.eq.ra;meta.main
specsys SPECSYS Reference frame for freq axis. N/A pos.eq.specsys;meta.main
target_name Target Name Name for source observed. N/A meta.id;meta.main
wcs_cdmatrix CD matrix FITS WCS CDij matrix deg/pix VOX:WCS_CDMatrix
wcs_equinox Equinox Equinox of the given coordinates yr VOX:STC_CoordEquinox
wcs_projection Proj. FITS WCS projection type N/A VOX:WCS_CoordProjection
wcs_refPixel Ref. pixel WCS reference pixel pix VOX:WCS_CoordRefPixel
wcs_refValues Ref. values World coordinates at WCS reference pixel deg VOX:WCS_CoordRefValue

Columns that are parts of indices are marked like this.

Other

The following services may use the data contained in this table:

VOResource

VO nerds may sometimes need VOResource XML for this table.

Copyright and such: MIT License.