used in this work (http://goldmine.mib.infn.it). We acknowledge the constructive criticism from an unknown referee. The present study could not be conceived without the DR7 of SDSS. Funding for the Sloan Digital Sky Survey (SDSS) and SDSS-II has been provided by the Alfred P. Sloan Foundation, the Participating Institutions, the National Science Foundation, the U.S. Department of Energy, the National Aeronautics and Space Administration, the Japanese Monbukagakusho, and the Max Planck Society, and the Higher Education Funding Council for England. The SDSS Web site is http://www.sdss.org/. The SDSS is managed by the Astrophysical Research Consortium (ARC) for the Participating Institutions. The Participating Institutions are the American Museum of Natural History, Astrophysical Institute Potsdam, University of Basel, University of Cambridge, Case Western Reserve University, The University of Chicago, Drexel University,Australian Bali Nine member, Renae Lawrence, who served 13 years in an Indonesian prison for drug smuggling, has used Joko Widodo’s arrival in Australia to plead for clemency for the remaining five members of the group still in prison.

Lawrence, along with eight other Australians, was arrested in 2005 for attempting to smuggle 8kg of heroin from Bali to Australia, and in 2006 was sentenced to 20 years in prison.

In November 2018, Lawrence was released from prison for good behaviour and allowed to return to Australia, where she has maintained a very low profile, shunning the media.

But Widodo’s visit to Australia, where he will become only the second Indonesian leader to address the parliament on Monday, prompted Lawrence to seek out the public spotlight to plead on behalf of