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Further access options are discussed below

Information on Service 'Magic Public Spectra Web Interface'

The MAGIC project observes the VHE sky (GeV~TeV) through Cherenkov radiation events. The project is operating since 2004 and with the support from the Spain-VO team they provide data access through a VO-SSAP and web services. Our goal here is to provide the same kind of service with the difference that the data is transformed and homogeneized in its flux units, to values in 'erg/(s.cm2)', and photon energy values in equivalent 'Hz' frequency values.

For a list of all services and tables belonging to this service's resource, see Information on resource 'MAGIC test'

Overview

You can access this service using:

This service is published as follows:

local means it is listed on our front page, ivo_managed means it has a record in the VO registry, gavo means it is within GAVO's service registry.

Other services provided on the underlying data include:

Input Fields

The following fields are available to provide input to the service (with some renderers, some of these fields may be unavailable):

NameTable Head DescriptionUnitUCD
ssa_dateObs Date Obs. Midpoint of exposure d time.epoch
ssa_location Location ICRS location of aperture center deg pos.eq

Default Output Fields

The following fields are contained in the output by default. More fields may be available for selection; these would be given below in the VOTable output fields.

NameTable Head DescriptionUnitUCD
accref Product key Access key for the data N/A meta.ref.url;meta.dataset
asdc_link Asdc_link N/A N/A N/A
location_dec Dec N/A deg pos.eq.dec;meta.main
location_ra RA N/A deg pos.eq.ra;meta.main
mime Type MIME type of the file served N/A N/A
ssa_dateObs Date Obs. Midpoint of exposure d time.epoch
ssa_length Length Number of points in the spectrum N/A N/A
ssa_reference Reference N/A N/A N/A
ssa_specend Band end Upper value of spectral coordinate m em.wl;stat.max
ssa_specstart Band start Lower value of spectral coordinate m em.wl;stat.min
ssa_targname Object Common name of object observed. N/A meta.id;src
ssa_timeExt Exp. Time Exposure duration s time.duration

VOTable Output Fields

The following fields are available in VOTable output. The verbosity level is a number intended to represent the relative importance of the field on a scale of 1 to 30. The services take a VERB argument. A field is included in the output if their verbosity level is less or equal VERB*10.

NameTable Head DescriptionUnitUCD Verb. Level
asdc_link Asdc_link N/A N/A N/A 1
accref Product key Access key for the data N/A meta.ref.url;meta.dataset 1
ssa_dateObs Date Obs. Midpoint of exposure d time.epoch 5
ssa_timeExt Exp. Time Exposure duration s time.duration 5
ssa_length Length Number of points in the spectrum N/A N/A 5
ssa_location Location ICRS location of aperture center deg pos.eq 5
ebl_corrected Ebl_corrected N/A N/A N/A 10
accsize File size Size of the data in bytes byte VOX:Image_FileSize 11
location_ra RA N/A deg pos.eq.ra;meta.main 15
location_dec Dec N/A deg pos.eq.dec;meta.main 15
ssa_specstart Band start Lower value of spectral coordinate m em.wl;stat.min 15
ssa_specend Band end Upper value of spectral coordinate m em.wl;stat.max 15
ssa_targname Object Common name of object observed. N/A meta.id;src 15
ssa_dstitle Title Title or the dataset (usually, spectrum) N/A meta.title;meta.dataset 15
ssa_creatorDID C. DID Dataset identifier assigned by the creator N/A meta.id 15
ssa_pubDID P. DID Dataset identifier assigned by the publisher N/A N/A 15
ssa_cdate Proc. Date Processing/Creation date N/A time;meta.dataset 15
ssa_pdate Pub. Date Date last published. N/A N/A 15
ssa_bandpass Bandpass Bandpass (i.e., rough spectral location) of this dataset; use something generic like 'Optical' here. N/A instr.bandpass 15
ssa_cversion C. Version Creator assigned version for this dataset (will be incremented when this particular item is changed). N/A meta.version;meta.dataset 15
ssa_targclass Ob. cls Object class (star, QSO,...; use Simbad object classification http://simbad.u-strasbg.fr/simbad/sim-display?data=otypes if at all possible) N/A src.class 15
ssa_redshift z Redshift of target object N/A src.redshift 15
ssa_targetpos Obj. pos Equatorial (ICRS) position of the target object. N/A pos.eq;src 15
ssa_snr SNR Signal-to-noise ratio estimated for this dataset N/A stat.snr 15
ssa_aperture Aperture Angular diameter of aperture deg instr.fov 15
ssa_specmid Mid. Band Midpoint of region covered in this dataset m em.wl;instr.bandpass 15
ssa_specext Bandwidth Width of the spectrum m em.wl;instr.bandwidth 15
ssa_reference Reference N/A N/A N/A 20
mime Type MIME type of the file served N/A N/A 20
reference_doi Article N/A N/A N/A 20
ra_j2000 RA_J2000 Right Ascension deg pos.eq.ra 20
dec_j2000 DEC_J2000 Declination deg pos.eq.dec 20
owner Owner Owner of the data N/A N/A 25
embargo Embargo ends Date the data will become/became public a N/A 25

VOResource XML (that's something exclusively for VO nerds)