PointingObservation

class ctapointing.observation.PointingObservation(prefix=None, **fields)

Bases: Container

Class storing information about a pointing observation

uuid

UUID

Type:: Field(default=None, type=str)

target_name

target name

Type:: Field(default=, type=str)

start_time

start time of exposure

Type:: Field(default=None, type=Time)

duration

exposure duration

Type:: Field(default=nan s, unit=s)

target_pos_ra

target position (right ascension)

Type:: Field(default=nan deg, unit=deg)

target_pos_dec

target position (declination)

Type:: Field(default=nan deg, unit=deg)

location_x

geocentric location (x)

Type:: Field(default=nan m, unit=m)

location_y

geocentric location (y)

Type:: Field(default=nan m, unit=m)

location_z

geocentric location (z)

Type:: Field(default=nan m, unit=m)

ambient_pressure

atmospheric pressure

Type:: Field(default=nan mbar, unit=mbar)

ambient_temperature

atmospheric temperature

Type:: Field(default=nan deg_C, unit=deg_C)

meta

dict of attached metadata

Type:: dict

prefix

Prefix attached to column names when saved to a table or file

Type:: str

Attributes Summary

`altazframe`	Return AltAz frame, using currently available meta information.
`ambient_pressure`
`ambient_temperature`
`default_prefix`
`duration`
`fields`
`location_x`
`location_y`
`location_z`
`mean_observation_time`	Return time of mean time of observation.
`meta`
`prefix`
`start_time`
`target_name`
`target_pos_altaz`	Return AltAz telescope pointing, i.e. the telescope orientation at the time of mean exposure.
`target_pos_dec`
`target_pos_ra`
`uuid`

Methods Summary

from_name(name, **kwargs)

Load PointingObservation from HDF5 file or database. See `ctapointing.io.from_name()`for details.

Attributes Documentation

altazframe: Return AltAz frame, using currently available meta information.

ambient_pressure

ambient_temperature

default_prefix = 'pointingobservation'

duration

fields = {'ambient_pressure': Field(default=nan mbar, unit=mbar), 'ambient_temperature': Field(default=nan deg_C, unit=deg_C), 'duration': Field(default=nan s, unit=s), 'location_x': Field(default=nan m, unit=m), 'location_y': Field(default=nan m, unit=m), 'location_z': Field(default=nan m, unit=m), 'start_time': Field(default=None, type=Time), 'target_name': Field(default=, type=str), 'target_pos_dec': Field(default=nan deg, unit=deg), 'target_pos_ra': Field(default=nan deg, unit=deg), 'uuid': Field(default=None, type=str)}

location_x

location_y

location_z

mean_observation_time

Return time of mean time of observation.

Returns:: mean observation time
Return type:: astropy.Time

meta

prefix

start_time

target_name

target_pos_altaz: Return AltAz telescope pointing, i.e. the telescope orientation at the time of mean exposure.

target_pos_dec

target_pos_ra

uuid

Methods Documentation

classmethod from_name(name, **kwargs): Load PointingObservation from HDF5 file or database. See `ctapointing.io.from_name()`for details.

__init__(prefix=None, **fields)

property altazframe: Return AltAz frame, using currently available meta information.

classmethod from_name(name, **kwargs): Load PointingObservation from HDF5 file or database. See `ctapointing.io.from_name()`for details.

property mean_observation_time

Return time of mean time of observation.

Returns:: mean observation time
Return type:: astropy.Time

property target_pos_altaz: Return AltAz telescope pointing, i.e. the telescope orientation at the time of mean exposure.