module_solar Namespace Reference

Functions
def	date2carrington
def	carrington2date
def	update_carrington

Variables
list	carrington_date_list
list	carrington_date_list_old
list	carrington_list = carrington_date_list[0::3]
list	begin_list = carrington_date_list[1::3]
list	end_list = carrington_date_list[2::3]

Function Documentation

def module_solar.carrington2date

(

ncar

)

Use the data list below the find the corresponding beginning date of a Carrington rotation.
Input: integer Carrington rotation.
Output: begin date of wanted carrington rotation in datetime type.

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def module_solar.date2carrington

(

date

)

Use the data list below the find the corresponding Carrington rotation.
Input: date in datetime type.
Output: integer Carrington rotation.

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def module_solar.update_carrington

(

)

Download an ALPO reference file for Carrington rotation dates (Association for Lunar and Planetary Observers/Solar Section).
Contains Carrington rotation from -10 to 3082.
Decode the file and build the carrington_updated_date_list structure.
File has this form:
    Rotation  ---- Udate ----   -- Year --   -- JuliDate -     UDate   UTime
    -0010    1853 01 13.9910   1853.03831   2397867.49132   1853-01-13 2347

Variable Documentation

list module_solar.begin_list = carrington_date_list[1::3]

list module_solar.carrington_date_list

list module_solar.carrington_date_list_old

list module_solar.carrington_list = carrington_date_list[0::3]

list module_solar.end_list = carrington_date_list[2::3]