Table information for 'mascs_vnir.epn_core'

General

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

Resource Description: This table contains MESSENGER VIRS spectra collected in the visible wavelength, converted to reflectance and photometrically normalized as well as instrument engineering data. Detailed descriptions for the parameters defined below are contained in the CDR/DDR SIS document : virs_calibration_changes_pds11.pdf, virs_calibration_changes_pds9.pdf, virs_cdr_ddr_dap_sis.pdf, virs_dark_analysis_report_1.pdf, virs_dark_analysis_report_2.pdf, virs_flatfield_report.pdf. The complete column definitions are contained in an external file found in the LABEL directory of the archive volume. See https://pds-geosciences.wustl.edu/messenger/mess-e_v_h-mascs-3-virs-cdr-caldata-v1/messmas_2101/document/

For a list of all services and tables belonging to this table's resource, see Information on resource 'MESSENGER VIRS spectra of planet Mercury'

Citing this table

This table has an associated publication. If you use data from it, it may be appropriate to reference 10.1007/s11214-007-9264-5 either in addition to or instead of the service reference.

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

@MISC{vo:mascs_vnir_epn_c,
  year=2022,
  title={{MESSENGER} {VIRS} spectra of planet Mercury},
  author={Mario D'Amore},
  url={http://europlanet.dlr.de/tableinfo/mascs_vnir.epn_core},
  howpublished={{VO} resource provided by the {DLR} {DACHS} Service}
}

Columns

Sorted by DB column index. [Sort alphabetically]

NameTable Head DescriptionUnitUCD
granule_uid Granule_uid Internal table row index, which must be unique within the table. Can be alphanumeric. N/A meta.id
granule_gid Granule_gid Common to granules of same type (e.g. same map projection, or geometry data products). Can be alphanumeric. N/A meta.id
obs_id Obs_id Associates granules derived from the same data (e.g. various representations/processing levels). Can be alphanumeric, may be the ID of original observation. N/A meta.id;obs
dataproduct_type Dataproduct_type The high-level organization of the data product, from a controlled vocabulary (e.g., 'im' for image, sp for spectrum). Multiple terms may be used, separated by # characters. [Note et_prod] N/A meta.code.class
target_name Target_name Standard IAU name of target (from a list related to target class), case sensitive N/A meta.id;src
target_class Target_class Type of target, from a controlled vocabulary. N/A src.class
time_min Time_min Acquisition start time (in JD), as UTC at time_refposition d time.start;obs
time_max Time_max Acquisition stop time (in JD), as UTC at time_refposition d time.end;obs
time_sampling_step_min Time_sampling_step_min Sampling time for measurements of dynamical phenomena, lower limit. s time.resolution;stat.min
time_sampling_step_max Time_sampling_step_max Sampling time for measurements of dynamical phenomena, upper limit s time.resolution;stat.max
time_exp_min Time_exp_min Integration time of the measurement, lower limit. s time.duration;obs.exposure;stat.min
time_exp_max Time_exp_max Integration time of the measurement, upper limit s time.duration;obs.exposure;stat.max
spectral_range_min Spectral_range_min Spectral range (frequency), lower limit. Hz em.freq;stat.min
spectral_range_max Spectral_range_max Spectral range (frequency), upper limit Hz em.freq;stat.max
spectral_sampling_step_min Spectral_sampling_step_min Spectral sampling step, lower limit. Hz em.freq;spect.binSize;stat.min
spectral_sampling_step_max Spectral_sampling_step_max Spectral sampling step, upper limit Hz em.freq;spect.binSize;stat.max
spectral_resolution_min Spectral_resolution_min Spectral resolution, lower limit. N/A spect.resolution;stat.min
spectral_resolution_max Spectral_resolution_max Spectral resolution, upper limit N/A spect.resolution;stat.max
c1min C1min Longitude on body, lower limit. deg pos.bodyrc.lon;stat.min
c1max C1max Longitude on body, upper limit deg pos.bodyrc.lon;stat.max
c2min C2min Latitude on body, lower limit. deg pos.bodyrc.lat;stat.min
c2max C2max Latitude on body, upper limit deg pos.bodyrc.lat;stat.max
c3min C3min Altitude from reference surface, lower limit. km pos.bodyrc.alt;stat.min
c3max C3max Altitude from reference surface, upper limit km pos.bodyrc.alt;stat.max
s_region S_region ObsCore-like footprint, valid for celestial, spherical, or body-fixed frames N/A pos.outline;obs.field
c1_resol_min C1_resol_min Resolution in the first coordinate, lower limit. deg pos.angResolution;stat.min
c1_resol_max C1_resol_max Resolution in the first coordinate, upper limit deg pos.angResolution;stat.max
c2_resol_min C2_resol_min Resolution in the second coordinate, lower limit. deg pos.angResolution;stat.min
c2_resol_max C2_resol_max Resolution in the second coordinate, upper limit deg pos.angResolution;stat.max
c3_resol_min C3_resol_min Resolution in the third coordinate, lower limit. km pos.resolution;stat.min
c3_resol_max C3_resol_max Resolution in the third coordinate, upper limit km pos.resolution;stat.max
spatial_frame_type Spatial_frame_type Flavor of coordinate system, defines the nature of coordinates. From a controlled vocabulary, where 'none' means undefined. N/A meta.code.class;pos.frame
incidence_min Incidence_min Incidence angle (solar zenithal angle) during data acquisition, lower limit. deg pos.incidenceAng;stat.min
incidence_max Incidence_max Incidence angle (solar zenithal angle) during data acquisition, upper limit deg pos.incidenceAng;stat.max
emergence_min Emergence_min Emergence angle during data acquisition, lower limit. deg pos.emergenceAng;stat.min
emergence_max Emergence_max Emergence angle during data acquisition, upper limit deg pos.emergenceAng;stat.max
phase_min Phase_min Phase angle during data acquisition, lower limit. deg pos.phaseAng;stat.min
phase_max Phase_max Phase angle during data acquisition, upper limit deg pos.phaseAng;stat.max
instrument_host_name Instrument_host_name Standard name of the observatory or spacecraft N/A meta.id;instr.obsty
instrument_name Instrument_name Standard name of instrument N/A meta.id;instr
measurement_type Measurement_type UCD(s) defining the data, with multiple entries separated by hash (#) characters. N/A meta.ucd
processing_level Processing_level Dataset-related encoding, or simplified CODMAC calibration level [Note et_cal] N/A meta.calibLevel
creation_date Creation_date Date of first entry of this granule N/A time.creation
modification_date Modification_date Date of last modification (used to handle mirroring) N/A time.processing
release_date Release_date Start of public access period N/A time.release
service_title Service_title Title of resource (an acronym really, will be used to handle multiservice results) N/A meta.title
detector_name Detector_name Detector name N/A meta.id;instr.det
time_scale Time_scale Defaults to UTC in data services; takes values from http://www.ivoa.net/rdf/time_scale otherwise N/A time.scale
publisher Publisher A short string identifying the entity running the data service used N/A meta.curation
bib_reference Bib_reference Bibcode or DOI preferred if available, or other bibliographic identifier or URL N/A meta.bib
access_url Access_url URL of the data file, case sensitive. If present, then access_format and access_estsize are mandatory. N/A meta.ref.url;meta.file
access_format Access_format File format type (RFC 6838 Media Type a.k.a. MIME type) N/A meta.code.mime
access_estsize Access_estsize Estimated file size in kbyte. kbyte phys.size;meta.file
file_name File_name Name of the data file only, case sensitive N/A meta.id;meta.file
spatial_origin Spatial_origin Defines the frame origin N/A meta.ref;pos.frame
spatial_coordinate_description Spatial_coordinate_description ID of specific coordinate system and version or properties. N/A meta.code.class;pos.frame
across_track_footprint_size Across_track_footprint_size Instantaneous width of VIRS FOV across track at integration midpoint, accounting for jitter across surface. Unit = meters. m phys.size
along_track_footprint_size Along_track_footprint_size Instantaneous width of VIRS FOV along track at integration midpoint, accounting for jitter along surface. Unit = meters. m phys.size
int_count Int_count Total amount of integrations that will be taken. N/A N/A
mission_phase_name Mission_phase_name mission phase name as text, e.g. : 'MERCURY ORBIT YEAR 4' N/A meta.id
packet_subseconds Packet_subseconds Subsecond time that the telemetry packet was initiated. Unit = 5 milliseconds. s time.duration
product_version_id Product_version_id PDS data file or product version , e.g. : 'V1' N/A meta.id
product_id Product_id PDS data file or product name , e.g. : 'VIRSVD_OB4_14182_063500_DAT' N/A meta.id
site_id Site_id site ID N/A meta.id
software_version Software_version Version of calibration software used. Increments with reprocessing of DDRs. N/A meta.version
solar_distance Solar_distance Subsolar distance to footprint center on planet surface. Unit = ua. N/A pos.distance
spacecraft_clock_start_count Spacecraft_clock_start_count Spacecraft clock measurement stop count. Unit = second. N/A time.end
spectrum_met Spectrum_met Calculated mission elapsed time (in seconds) since launch or reset at the start of an individual VIRS spectrum. N/A time.interval
spectrum_number Spectrum_number Ordered number sequence for spectra in a given observation. Observations which span multiple science packets, the numbering sequence is continuous. N/A N/A
spectrum_subseconds Spectrum_subseconds The calculated subsecond time in milliseconds that a VIRS integration was started. N/A time.start
standard_data_product_id Standard_data_product_id standard_data_product_id N/A N/A
sc_time Sc_time Spacecraft time in integer seconds that is transmitted to MESSENGER subsystems by the Integrated Electronics Module. This is assigned to the first spectral observation contained in a science packet. All spectra contained in the science packet will be associated with this start time. Unit is in Mission Elapsed Time which is the number of seconds since launch. N/A N/A
spectrum_utc_time Spectrum_utc_time UTC time translated from spacecraft time and packet subseconds. N/A N/A
anomalous_pixels Anomalous_pixels Integer 0-9 = Indicates number of hot pixels found. Working Definition: The number of pixels with a noise spike (defined in DQI L, below). Procedure: The number of noise spike channels for spectra i. Repeat for all N spectra. N/A N/A
dark_saturation_flag Dark_saturation_flag Denotes that there are minimal unsaturated dark frames available for the polynomial fit of one or more pixels. 0 = All pixels in data record contain at least four unsaturated dark frames. 1 = One or more pixels in data record contain three or fewer unsaturated dark frames. N/A N/A
dark_scan_flag Dark_scan_flag denotes shutter commanded closed for dark observation. 0 = shutter not engaged 1 = shutter engaged N/A N/A
grating_temperature_flag Grating_temperature_flag 0 = Temperature does not exceed 15 deg C threshold. 1 = Temperature exceeds 15 deg C threshold but less than 25 deg C threshold. 2 = Temperature exceeds 25 deg C threshold but less than 40 deg C threshold. 3 = Temperature exceeds 40 deg C threshold. N/A N/A
high_vis_wavelength_uncertainty_flag High_vis_wavelength_uncertainty_flag (not yet implemented, set to 0) 0 = Uncertainty not above TBD threshold at high wavelengths. 1 = Uncertainty above TBD threshold at high wavelengths. N/A N/A
low_signal_level_flag Low_signal_level_flag 0 = Signal level not below -32768 threshold. 1 = Signal level below -32768 threshold. N/A N/A
low_vis_wavelength_uncertainty_flag Low_vis_wavelength_uncertainty_flag (not yet implemented, set to 0) 0 = Uncertainty not above TBD threshold at low wavelengths. 1 = Uncertainty above TBD threshold at low wavelengths. N/A N/A
partial_data_flag Partial_data_flag 0 = No partial data. 1 = Partial data exists. Working Definition: If any spectrum has nulls in the beginning or end, signifying data drop outs. Procedure: Given spectra i, evaluate first 10 channels and last 10 channels. If any channel has 0 value, set Partial Data Flag = 1. N/A N/A
saturation_flag Saturation_flag 0 = No pixels saturated. 1 = Saturated pixels exist. N/A N/A
spice_version_epoch_flag Spice_version_epoch_flag Indicates what SPICE is used to determine pointing fields in CDR. ‘Predict’ SPICE may change one or more times before settling on ‘Final’ pointing solutions about 2 weeks from data acquisition. 0 = No SPICE 1 = Predict 2 = Actual N/A N/A
temperature_1_flag Temperature_1_flag 0 = Temperature does not exceed 15 deg C threshold. 1 = Temperature exceeds 15 deg C threshold but less than 25 deg C threshold. 2 = Temperature exceeds 25 deg C threshold but less than 40 deg C threshold. 3 = Temperature exceeds 40 deg C threshold. N/A N/A
temperature_2_flag Temperature_2_flag 0 = Temperature does not exceed 15 deg C threshold. 1 = Temperature exceeds 15 deg C threshold but less than 25 deg C threshold. 2 = Temperature exceeds 25 deg C threshold but less than 40 deg C threshold. 3 = Temperature exceeds 40 deg C threshold. N/A N/A
uvvs_noise_spike_flag Uvvs_noise_spike_flag 0 = No noise spike detected. 1 = Noise spike detected. Working Definition: A noise spike is a data value in 1 or 2 channels that exceeds 3 standard deviations of the average for a given channel in a given observation. N/A N/A
uvvs_operating_flag Uvvs_operating_flag 0 = UVVS is not scanning during readout. 1 = UVVS is scanning during readout. N/A N/A
photom_iof_sp_300nm Photom_iof_sp_300nm Derived column of photometrically normalized reflectance-at-sensor spectra at 300nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
photom_iof_sp_350nm Photom_iof_sp_350nm Derived column of photometrically normalized reflectance-at-sensor spectra at 350nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
photom_iof_sp_400nm Photom_iof_sp_400nm Derived column of photometrically normalized reflectance-at-sensor spectra at 400nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
photom_iof_sp_450nm Photom_iof_sp_450nm Derived column of photometrically normalized reflectance-at-sensor spectra at 450nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
photom_iof_sp_500nm Photom_iof_sp_500nm Derived column of photometrically normalized reflectance-at-sensor spectra at 500nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
photom_iof_sp_550nm Photom_iof_sp_550nm Derived column of photometrically normalized reflectance-at-sensor spectra at 550nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
photom_iof_sp_600nm Photom_iof_sp_600nm Derived column of photometrically normalized reflectance-at-sensor spectra at 600nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
photom_iof_sp_650nm Photom_iof_sp_650nm Derived column of photometrically normalized reflectance-at-sensor spectra at 650nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
photom_iof_sp_700nm Photom_iof_sp_700nm Derived column of photometrically normalized reflectance-at-sensor spectra at 700nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
photom_iof_sp_750nm Photom_iof_sp_750nm Derived column of photometrically normalized reflectance-at-sensor spectra at 750nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
photom_iof_sp_800nm Photom_iof_sp_800nm Derived column of photometrically normalized reflectance-at-sensor spectra at 800nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
photom_iof_sp_850nm Photom_iof_sp_850nm Derived column of photometrically normalized reflectance-at-sensor spectra at 850nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
photom_iof_sp_900nm Photom_iof_sp_900nm Derived column of photometrically normalized reflectance-at-sensor spectra at 900nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
photom_iof_sp_950nm Photom_iof_sp_950nm Derived column of photometrically normalized reflectance-at-sensor spectra at 950nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
photom_iof_sp_1000nm Photom_iof_sp_1000nm Derived column of photometrically normalized reflectance-at-sensor spectra at 1000nm. One row per spectrum. Reflectance is a unitless parameter. Reflectance from saturated pixels, or binned pixels with one saturated element, are set to 1e32. N/A N/A
vis_ratio Vis_ratio Visibile to IR slope defined as Refl(415nm)/Refl(750nm). To reduce single spectra noise Refl[410nm:418nm]/Refl[746nm:754nm]. See VISr from Izenberg, et al (2014),Icarus, 228, 364–374. https://doi.org/10/f5m5xh . N/A N/A
uv_ratio Uv_ratio UV to Visible slope defined as Refl(310nm)/Refl(390nm). To reduce single spectra noise Refl[306nm:314nm]/Refl[386nm:394nm]. See UVr from Izenberg, et al (2014),Icarus, 228, 364–374. https://doi.org/10/f5m5xh . N/A N/A
temp_2 Temp_2 One of a redundant pair of array temperature sensors. C phys.temperature;instr
fov_center_longitude Fov_center_longitude FOV center longitude angle deg pos.bodyrc.lon
fov_center_latitude Fov_center_latitude FOV center latitude angle. deg pos.bodyrc.lat
fov_wkt Fov_wkt FOW as WKT Geometry as string N/A phot
cube_start_time Cube_start_time data cube/PDS product start time N/A time.start
cube_stop_time Cube_stop_time data cube/PDS product stop time N/A time.stop
sun_distance_min Sun_distance_min Max Subsolar distance to footprint center on planet surface. Unit = ua. N/A pos.distance
sun_distance_max Sun_distance_max Min Subsolar distance to footprint center on planet surface. Unit = ua. N/A pos.distance

Columns that are parts of indices are marked like this.

VOResource

VO nerds may sometimes need VOResource XML for this table.

Notes

Copyright and such: DLR PF Berlin