Table information for 'maidanak.reduced'


Table Description: Reduced frames of lensed quasar observations from Maidanak Observatory. See the referenceURL for details on the reduction procedure and calibration data.

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

Resource Description: Observations of (mainly) lensed quasars from Maidanak Observatory, Uzbekhistan

For a list of all services and tables belonging to this table's resource, see Information on resource 'Maidanak Observatory Lens Images'

Citing this table

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

  title={Maidanak Observatory Lens Images},
  author={{GAVO} Data Centre},
  howpublished={{VO} resource provided by the {GAVO} Data Center}


Sorted by DB column index. [Sort alphabetically]

NameTable Head DescriptionUnitUCD
accref Product key Access key for the data N/A meta.ref.url
owner Owner Owner of the data N/A N/A
embargo Embargo ends Date the data will become/became public a N/A
mime Type MIME type of the file served N/A meta.code.mime
accsize File size Size of the data in bytes byte VOX:Image_FileSize
centerAlpha Ctr. RA Approximate center of image, RA deg pos.eq.ra
centerDelta Ctr. Dec Approximate center of image, Dec deg pos.eq.dec
imageTitle Title Synthetic name of the image N/A meta.title
instId Instrument Identifier of the originating instrument N/A;instr
dateObs Obs. date Epoch at midpoint of observation d time;obs.exposure
nAxes #axes Number of axes in data N/A pos.wcs.naxes
pixelSize Axes Lengths Number of pixels along each of the axes pixel pos.wcs.naxis
pixelScale Scales The pixel scale on each image axis deg/pixel pos.wcs.scale
refFrame Ref. Frame Coordinate system reference frame N/A pos.frame
wcs_equinox Equinox Equinox of the given coordinates yr time.equinox
wcs_projection Proj. FITS WCS projection type N/A pos.wcs.ctype
wcs_refPixel Ref. pixel WCS reference pixel pixel pos.wcs.crpix
wcs_refValues Ref. values World coordinates at WCS reference pixel deg pos.wcs.crval
wcs_cdmatrix CD matrix FITS WCS CDij matrix deg/pixel pos.wcs.cdmatrix
bandpassId Bandpass Freeform name of the bandpass used N/A instr.bandpass
bandpassUnit Bandpass unit Unit of bandpass specifications (always m). N/A N/A
bandpassRefval Band Ref. Characteristic quantity for the bandpass of the image m instr.bandpass;stat.median
bandpassHi Band upper Upper limit of the bandpass (in BandPass_Unit units) m instr.bandpass;stat.max
bandpassLo Band lower Lower limit of the bandpass (in BandPass_Unit units) m instr.bandpass;stat.min
pixflags P. Flags Flags specifying the processing done (C-original; F-resampled; Z-fluxes valid; X-not resampled; V-for display only N/A meta.code
coverage Coverage Field covered by the image deg N/A
filename Original Filename File name as supplied by the observatory -- unreliable N/A
type Obs. Type Type of observation (science, flat, bias, calib...) N/A meta.code.class
object Target Object Object being observed, Simbad-resolvable form N/A;meta.main
raw_object Target Object (Header) Target object as supplied by the observatory N/A
observatory Observed at Observatory the image was obtained at N/A;instr.obsty
telescope Telescope Telescope used to obtain the image N/A
instrument Instrument Identifier of the detecting instrument N/A instr.setup
detector Detector Internal detector ID N/A;instr.det
exposure Exp. time Exposure time s time.duration;obs.exposure
startTime UT at start Start of exposure in UT N/A time.start
endTime UT at end End of exposure in UT N/A time.end
chipid Chip Detector Chip N/A;instr.det
p_dewar Dewar pressure Dewar Pressure (unreliable) N/A phys.pressure;instr.param
ari_raw Object (Raw) Raw object name assigned at ARI N/A
pub_did PubDID Publisher dataset Identifier N/A meta.ref.ivoid

Columns that are parts of indices are marked like this.


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Copyright and such: The data from Maydanak observatory have been obtained in a German-Uzbek collaboration (Heidelberg, Potsdam, Tashkent) and are not in the public domain. If you want to use the data for your research, send a request to Robert Schmidt at the Astronomisches Rechen-Institut/Zentrum für Astronomie der Universität Heidelberg, rschmidt(AT)