Archives of Photographic PLates for Astronomical USE

Photographic plates as physical objects (applause_dr2.plate)

The table has 51793 rows, 48 columns.

Description

The table contains data on photographic plates or films as physical objects. An entry in this table does not guarantee that a scan of the plate is available. Unique identifier: plate_id.

Columns

Name Type UCD Unit Description
plate_id int meta.id

Plate identification number

archive_id int meta.id

Archive identification number

plate_num char meta.record
instr.plate

Plate number in archive

plate_num_orig char meta.record
instr.plate

Original plate number in archive

wfpdb_id char meta.id

Plate identification in the Wide-Field Plate Database

plate_aid char meta.id

AID of the plate

preview_aid char meta.id

AID of the plate preview

series char meta.id

Plate series

plate_format char meta.code
phys.size
instr.plate

Plate format (cm x cm)

plate_size1 float phys.size
instr.plate
cm

Plate size along axis 1

plate_size2 float phys.size
instr.plate
cm

Plate size along axis 2

emulsion char instr.plate.emulsion

Name of the photographic emulsion

filter char instr.filter

Filter type used during the observation

spectral_band char instr.bandpass

Spectral bandpass

develop char meta.note

Plate development information (developer, time)

plate_quality char meta.code.qual

Quality of the plate

plate_notes char meta.note
instr.plate

Notes about the plate

date_orig char time.epoch
obs.exposure

Original recorded date

numexp short meta.number
obs.sequence

Number of exposures

observatory char meta.id
instr.obsty

Observatory name

site_name char
longitude_deg double pos.earth.lon
instr.obsty
deg

East longitude of the observing site, in decimal degrees

latitude_deg double pos.earth.lat
instr.obsty
deg

Latitude of the observing site, in decimal degrees

elevation float pos.earth.altitude
instr.obsty
m

Elevation of the observatory site

telescope char meta.id
instr.tel

Telescope name

tel_aper float stat.value
instr.tel
m

Clear aperture of the telescope

tel_foc float instr.tel.focalLength m

Focal length of the telescope

tel_scale float instr.scale arcsec\/mm

Plate scale of the telescope

instrument char meta.id
instr

Instrument name

method short meta.code

Observation method. A list of possible values is given in the WFPDB.

prism char meta.note
instr

Information about the objective prism used

prism_angle char stat.value

Angle of the objective prism (deg:mm)

dispersion float instr.dispersion 0.1nm/mm

Dispersion (Angstrom / mm)

grating char meta.note
instr

Information about the grating used

air_temperature float
calmness char obs.param
obs.atmos

Calmness (seeing conditions), scale 1-5 (German: Ruhe)

sharpness char obs.param
obs.atmos

Sharpness, scale 1-5 (German: Schärfe)

transparency char obs.param
obs.atmos

Transparency, scale 1-5 (German: Durchsicht, Klarheit)

sky_conditions char meta.note
obs.atmos

Notes on sky conditions (from logbook)

observer char obs.observer

Observer name

obs_notes char meta.note

Observer notes (from logbook)

notes char meta.note

Miscellaneous notes

bibcode char meta.bib.bibcode

Bibcode of related paper

filename_preview char meta.ref
meta.image

Name of the preview image file

filename_thumbnail char meta.ref
meta.file

Name of the thumbnail image file

filename_cover char meta.ref
meta.image

Name of the plate cover (envelope) image file

timestamp_insert char time.creation Time[yyyy-mm-dd hh:mm:ss]

Timestamp of insert

timestamp_update char time.creation Time[yyyy-mm-dd hh:mm:ss]

Timestamp of last update