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# This file is part of astro_metadata_translator. 

# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (http://www.lsst.org). 

# See the COPYRIGHT file at the top-level directory of this distribution 

# for details of code ownership. 

# 

# This program is free software: you can redistribute it and/or modify 

# it under the terms of the GNU General Public License as published by 

# the Free Software Foundation, either version 3 of the License, or 

# (at your option) any later version. 

# 

# This program is distributed in the hope that it will be useful, 

# but WITHOUT ANY WARRANTY; without even the implied warranty of 

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

# GNU General Public License for more details. 

# 

# You should have received a copy of the GNU General Public License 

# along with this program. If not, see <http://www.gnu.org/licenses/>. 

 

"""Properties calculated by this package. 

 

Defines all properties in one place so that both `ObservationInfo` and 

`MetadataTranslator` can use them. In particular, the translator 

base class can use knowledge of these properties to predefine translation 

stubs with documentation attached, and `ObservationInfo` can automatically 

define the getter methods. 

 

""" 

 

__all__ = ("PROPERTIES", ) 

 

 

PROPERTIES = {"telescope": ("Full name of the telescope.", "str"), 

"instrument": ("The instrument used to observe the exposure.", "str"), 

"location": ("Location of the observatory.", "astropy.coordinates.EarthLocation"), 

"exposure_id": ("Unique (with instrument) integer identifier for this observation.", "int"), 

"visit_id": ("""ID of the Visit this Exposure is associated with. 

 

Science observations should essentially always be 

associated with a visit, but calibration observations 

may not be.""", "int"), 

"physical_filter": ("The bandpass filter used for this observation.", "str"), 

"datetime_begin": ("Time of the start of the observation.", "astropy.time.Time"), 

"datetime_end": ("Time of the end of the observation.", "astropy.time.Time"), 

"exposure_time": ("Duration of the exposure with shutter open (seconds).", 

"astropy.units.Quantity"), 

"dark_time": ("Duration of the exposure with shutter closed (seconds).", 

"astropy.units.Quantity"), 

"boresight_airmass": ("Airmass of the boresight of the telescope.", "float"), 

"boresight_rotation_angle": ("Angle of the instrument in boresight_rotation_coord frame.", 

"astropy.coordinates.Angle"), 

"boresight_rotation_coord": ("Coordinate frame of the instrument rotation angle" 

" (options: sky, unknown).", "str"), 

"detector_num": ("Unique (for instrument) integer identifier for the sensor.", "int"), 

"detector_name": ("Name of the detector within the instrument (might not be unique).", 

"str"), 

"detector_serial": ("Serial number/string associated with this detector.", "str"), 

"detector_group": ("Collection name of which this detector is a part. " 

"Can be None if there are no detector groupings.", "str"), 

"detector_exposure_id": ("Unique integer identifier for this detector in this exposure.", 

"int"), 

"object": ("Object of interest or field name.", "str"), 

"temperature": ("Temperature outside the dome.", "astropy.units.Quantity"), 

"pressure": ("Atmospheric pressure outside the dome.", "astropy.units.Quantity"), 

"relative_humidity": ("Relative humidity outside the dome.", "float"), 

"tracking_radec": ("Requested RA/Dec to track.", "astropy.coordinates.SkyCoord"), 

"altaz_begin": ("Telescope boresight azimuth and elevation at start of observation.", 

"astropy.coordinates.AltAz"), 

"science_program": ("Observing program (survey or proposal) identifier.", "str"), 

"observation_type": ("Type of observation (currently: science, dark, flat, bias, focus).", 

"str"), 

"observation_id": ("Label uniquely identifying this observation " 

"(can be related to 'exposure_id').", 

"str")}