Table Description:
This table is available for ADQL queries and through the TAP endpoint.
Resource Description:
For a list of all services and tables belonging to this table's resource, see Information on resource 'H.E.S.S. DL3 public test data release 1'
Resource Reference URL: https://www.mpi-hd.mpg.de/hfm/HESS/pages/dl3-dr1/
To cite the table as such, we suggest the following BibTeX entry:
@MISC{vo:hess_dr_vo_obsco, year=2018, title={H.E.S.S. DL3 public test data release 1}, author={H.E.S.S. collaboration}, url={https://www.mpi-hd.mpg.de/hfm/HESS/pages/dl3-dr1/}, howpublished={{VO} resource provided by the {PADC} {TAP} Server on voparis-tap-astro.obspm.fr} }
Sorted by DB column index. [Sort alphabetically]
Name | Table Head | Description | Unit | UCD |
---|---|---|---|---|
dataproduct_type | Dataproduct_type | product type: spectrum or timeseries ... | N/A | meta.id;class |
dataproduct_subtype | Dataproduct_subtype | product subtype | N/A | meta.id;class |
calib_level | Calib_level | calibration level | N/A | meta.id |
obs_collection | Obs_collection | name of the data collection | N/A | meta.id |
obs_id | Obs_id | observation id | N/A | meta.id |
obs_publisher_did | Obs_publisher_did | dataset identifier given by the publisher | N/A | meta.id |
access_url | Access_url | URL used to access dataset | N/A | meta.ref.url |
access_format | Access_format | file content format | N/A | meta.id;class |
access_estsize | Access_estsize | estimated size of dataset | kbyte | phys.size;meta.file |
target_name | Target_name | name of target | N/A | meta.id;src |
s_ra | S_ra | right ascension of target (ICRS) | deg | pos.eq.ra |
s_dec | S_dec | declination of target (ICRS) | deg | pos.eq.dec |
s_fov | S_fov | average diameter of the covered region | deg | phys.angSize;obs.field |
s_region | S_region | region covered as specified in STC or ADQL | N/A | N/A |
s_resolution | S_resolution | spatial resolution of data as FWHM | arcsec | pos.angResolution |
t_min | T_min | start time | d | time.start;obs.exposure |
t_max | T_max | stop time | d | time.end;obs.exposure |
t_exptime | T_exptime | total exposure time | s | time.duration;obs.exposure |
t_resolution | T_resolution | temporal resolution FWHM | s | time.resolution |
em_min_tev | Em_min_tev | start in spectral coordinates in TeV | TeV | em.energy;stat.min |
em_max_tev | Em_max_tev | stop in spectral coordinates in TeV | TeV | em.energy;stat.max |
em_min | Em_min | start in spectral coordinates | m | em.wl;stat.min |
em_max | Em_max | stop in spectral coordinates | m | em.wl;stat.max |
em_res_power | Em_res_power | spectral resolving power | N/A | spect.resolution |
o_ucd | O_ucd | UCD of observable | N/A | meta.ucd |
pol_states | Pol_states | list of polarization states or NULL if N/A | N/A | phys.polarization |
facility_name | Facility_name | name of facility used for this observation | N/A | instr.obsty |
instrument_name | Instrument_name | name of the instrument used for this observation | N/A | meta.id;instr.name |
ra_pnt | Ra_pnt | Observation pointing right ascension | deg | pos.eq.ra |
dec_pnt | Dec_pnt | Observation pointing declination | deg | pos.eq.dec |
glon_pnt | Glon_pnt | Observation pointing Galactic longitude | deg | pos.gal.lon |
glat_pnt | Glat_pnt | Observation pointing Galactic latitude | deg | pos.gal.lat |
zen_pnt | Zen_pnt | Observation pointing zenith angle at observation mid-time TMID | deg | pos |
alt_pnt | Alt_pnt | Observation pointing altitude at observation mid-time TMID | deg | pos |
az_pnt | Az_pnt | Observation pointing azimuth at observation mid-time TMID | deg | pos |
object | Object | Primary target of the observation | N/A | meta.id;src |
ra_obj | Ra_obj | Right ascension of OBJECT | deg | pos.eq.ra |
dec_obj | Dec_obj | Declination of OBJECT | deg | pos.eq.dec |
offset_obj | Offset_obj | Distance between observation position and OBJECT | deg | instr.offset |
ontime | Ontime | Total observation time (including dead time). Equals TSTOP - TSTART | s | time.duration |
livetime | Livetime | Total livetime (observation minus dead time) | s | time |
deadc | Deadc | Dead time correction. It is defined such that LIVETIME = DEADC * ONTIME i.e. the fraction of time the telescope was actually able to take data. | N/A | arith.ratio |
tstart | Tstart | Start time of observation relative to the reference time | N/A | time.start |
tstop | Tstop | End time of observation relative to the reference time | N/A | time.end |
date_obs | Date_obs | Observation start date | N/A | time.start;obs.exposure |
time_obs | Time_obs | Observation start time | N/A | time.start;obs.exposure |
date_end | Date_end | Observation end date | N/A | time.end;obs.exposure |
time_end | Time_end | Observation end time | N/A | time.end;obs.exposure |
n_tels | N_tels | Number of participating telescopes | N/A | meta.number |
tellist | Tellist | Telescope IDs (e.g. ?1,2,3,4?) | N/A | meta.id;instr.tel |
quality | Quality | Observation data quality. The following levels of data quality are defined: -1 = unknown quality, 0 = best quality, suitable for spectral analysis, 1 = medium quality, suitable for detection, but not spectra (typically if the atmosphere was hazy), 2 = bad quality, usually not to be used for analysis. | N/A | meta.code.qual |
muoneff | Muoneff | Mean muon efficiency. Currently use definitions from analysis chain, since creating a unified specification is tricky. | N/A | N/A |
event_count | Event_count | Number of events | N/A | meta.number |
target_name_subset | Target_name_subset | The observation subset name | N/A | meta.id;src |
target_tag | Target_tag | Target tag | N/A | meta.id;src.class |
target_offset | Target_offset | Distance between observation position and target | deg | instr.offset |
safe_energy_lo | Safe_energy_lo | Low energy threshold | TeV | stat.min;em.energy |
safe_energy_hi | Safe_energy_hi | High energy threshold | TeV | stat.max;em.energy |
Columns that are parts of indices are marked like this.
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