{"aspect_id":"AS47","aspect_name":"luminous-efficacy","aspect_reference":null,"aspect_symbol":"\\nu_\\mathrm{V}","name":"luminous-efficacy candela steradian per watt","scale_id":"SC1356","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"\\nu_\\mathrm{V} cd.sr.W-1","unit_id":"UN1268","unit_name":"candela steradian per watt","unit_reference":null,"unit_symbol":"cd.sr.W-1"}