In [45]:

    

from ipyaladin import Aladin

from ipywidgets import Layout, Box, widgets

aladin = Aladin(layout=Layout(width='70%'), target='M 36', fov=0.3)
info = widgets.HTML()


box_layout = Layout(display='flex',
                    flex_flow='row',
                    align_items='stretch',
                    width='100%')
box = Box(children=[aladin, info], layout=box_layout)
box


    

    






 
 










    




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In [47]:

    

import requests
def process_result(data):
    info.value = ''
    ra = data['ra']
    dec = data['dec']
    radius = min(aladin.fov / 10, 5)
    query = """SELECT TOP 1 main_id, ra, dec, DISTANCE(POINT('ICRS', %f, %f), POINT('ICRS', ra, dec)) as d FROM basic
               WHERE CONTAINS(POINT('ICRS', ra, dec), CIRCLE('ICRS', %f, %f, %f))=1
               ORDER BY d ASC""" % (ra, dec, ra, dec, aladin.fov / 10)
    
    r = requests.get('http://simbad.u-strasbg.fr/simbad/sim-tap/sync', params={'query': query, 'request': 'doQuery', 'lang': 'adql', 'format': 'json', 'phase': 'run'})
    obj_name = ''
    obj_coo = None
    obj_data = r.json()['data']
    if len(obj_data)==0:
        return
    
    obj_name = obj_data[0][0]
    obj_coo = [obj_data[0][1], obj_data[0][2]]
        
    sed_img = '<img src="http://cdsportal.u-strasbg.fr/cgi-bin/PhotVizPreview/plot?ra=%f&dec=%f&radius_arcsec=5&w=200&h=150&point_size=4">' % (obj_coo[0], obj_coo[1])
    info.value =  '<h2>%s</h2><br><br>%s' % (obj_name, sed_img)
    
aladin.add_listener('click', process_result)


    

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