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Št. zadetkov: 4
ǂThe ǂPeculiar extinction law of SN 2014J measured with the Hubble Space Telescope
R. Amanullah, T. Petrushevska
Izvirni znanstveni članek
Oznake: galaksije;supernova;izumrtje;prah;
The wavelength dependence of the extinction of Type Ia SN 2014J in the nearby galaxy M82 has been measured using UV to near-IR photometry obtained with the Hubble Space Telescope, the Nordic Optical Telescope, and the Mount Abu Infrared Telescope. This is the first time that the reddening of an SN ...
Leto: 2014 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Diversity in extinction laws of Type Ia supernovae measured between 0.2 and 2 [mu]m
R. Amanullah, T. Petrushevska
Izvirni znanstveni članek
Oznake: circumstellar matter;supernovae;SNe 2012cg;2012cu;dust;extinction;
We present ultraviolet (UV) observations of six nearby Type Ia supernovae (SNe Ia) obtained with the Hubble Space Telescope, three of which were also observed in the near-IR (NIR) with Wide-Field Camera 3. UV observations with the Swift satellite, as well as ground-based optical and NIR data provide ...
Leto: 2015 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
VizieR Online Data Catalog
R. Amanullah, T. Petrushevska
Raziskovalni podatki
Oznake: supernovae;photometry;HST;UBVRI;catalogs;
We obtained observations (Program DD-13621; PI: Goobar) of SN 2014J with HST in the four UV broadband filters F218W, F225W, F275W, and F336W for seven epochs using a total of seven HST orbits during Cycle 21. In addition to this we also obtained optical broad-, medium-, and narrowband photometry in ...
Leto: 2014 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
High-redshift supernova rates measured with the gravritational telescope A1689
T. Petrushevska, Ariel Goobar, R. Amanullah
Objavljeni povzetek znanstvenega prispevka na konferenci
Oznake: supernova;gravitational telescope;galaxy clusters;strong lensing;
Aims. We present a ground-based, near-infrared search for lensed supernovae behind the massive cluster Abell 1689 at z = 0.18, which is one of the most powerful gravitational telescopes that nature provides. Methods. Our survey was based on multi-epoch J-band observations with the HAWK-I instrument ...
Leto: 2016 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Št. zadetkov: 4
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