Observations

class gammapy.data.Observations(observations=None)

Bases: collections.abc.MutableSequence

Container class that holds a list of observations.

Parameters

observationslist

A list of DataStoreObservation

Attributes Summary

ids	List of obs IDs (list)

Methods Summary

append(self, value)	S.append(value) – append value to the end of the sequence
clear(self)
count(self, value)
extend(self, values)	S.extend(iterable) – extend sequence by appending elements from the iterable
index(self, value[, start, stop])	Raises ValueError if the value is not present.
insert(self, idx, obs)	S.insert(index, value) – insert value before index
pop(self[, index])	Raise IndexError if list is empty or index is out of range.
remove(self, value)	S.remove(value) – remove first occurrence of value.
reverse(self)	S.reverse() – reverse IN PLACE
select_time(self, time_intervals)	Select a time interval of the observations.

Attributes Documentation

ids

List of obs IDs (list)

Methods Documentation

append(self, value)

S.append(value) – append value to the end of the sequence

clear(self)

count(self, value)

extend(self, values)

S.extend(iterable) – extend sequence by appending elements from the iterable

index(self, value, start=0, stop=None)

Raises ValueError if the value is not present.

Supporting start and stop arguments is optional, but recommended.

insert(self, idx, obs)

S.insert(index, value) – insert value before index

pop(self, index=-1)

Raise IndexError if list is empty or index is out of range.

remove(self, value)

S.remove(value) – remove first occurrence of value. Raise ValueError if the value is not present.

reverse(self)

S.reverse() – reverse IN PLACE

select_time(self, time_intervals)

Select a time interval of the observations.

Parameters

time_intervalsastropy.time.Time or list of astropy.time.Time

list of Start and stop time of the time intervals or one Time interval

Returns

new_observationsObservations

A new Observations instance of the specified time intervals