Padova-Asiago Supernova Group
Asiago Classification Program
CSS151031:104809+094237 in CGCG66-19   Discovered by: CRTS
Object type   SN   Ia
download fits file

Reference:   ATEL8251  

The Asiago Transient Classification Program (Tomasella et al. 2014, AN, 335, 841) reports the spectroscopic classification of CSS151031:104809+094237 in the galaxy CGCG066-019 discovered by Catalina Real-Tima Transient Survey.

Informations on this transient are also available from the "Bright Supernova" website ( The observation was performed with the Asiago 1.82 m Copernico Telescope (+AFOSC; range 340-820 nm; resolution 1.4 nm).

Name                      | Discovery      | z       |   Type   | Phase       | Notes
CSS151031:104809+094237   | 2015-10-31     | 0.031   |    Ia    | ~1 month    | (1)  

(1) Best match with several Type Ia SNe about 1-2 months after B-band maximum light.

Classification was done with GELATO (Harutyunyan et al. 2008, A&A, 488, 383) and SNID (Blondin and Tonry 2007, ApJ, 666, 1024). The Asiago classification spectra are posted at the website