Source code for frb.surveys.tns_util

""" Created by Yuxin Dong """
from astropy import units as u
from astropy.coordinates import SkyCoord 
import requests
import json
from collections import OrderedDict


# For searches 

# ID of your Bot:
YOUR_BOT_ID=111031

# name of your Bot:
YOUR_BOT_NAME="Avon"

# API key of your Bot:
api_key="fc32024eaf71cad9e5b3880c833e8b83c676996f"






[docs]
def parse_coord(ra, dec):
    if (not (is_number(ra) and is_number(dec)) and
        (':' not in ra and ':' not in dec)):
        error = 'ERROR: cannot interpret: {ra} {dec}'
        print(error.format(ra=ra, dec=dec))
        return(None)

    if (':' in str(ra) and ':' in str(dec)):
        # Input RA/DEC are sexagesimal
        unit = (u.hourangle, u.deg)
    else:
        unit = (u.deg, u.deg)

    try:
        coord = SkyCoord(ra, dec, frame='icrs', unit=unit)
        return(coord)
    except ValueError:
        error = 'ERROR: Cannot parse coordinates: {ra} {dec}'
        print(error.format(ra=ra,dec=dec))
        return(None)


    


[docs]
def is_number(num):
    try:
        num = float(num)
    except ValueError:
        return(False)
    return(True)




### sarching for matching transients using TNS API and a specified radius ###

# function for changing data to json format


[docs]
def format_to_json(source):
    
    # change data to json format and return
    parsed = json.loads(source)   
    result = parsed['data']
    #print(result)
    result = parsed['data']['reply']
    return result





# function for search obj from tutorial