All Sky Automated Survey for SuperNovae
The All Sky Automated Survey for SuperNovae or ASAS-SN is an automated program to search for new supernovae. It has robotic telescopes in both the northern and southern hemispheres. It can survey the entire sky every two days.[1]
There are four telescopes at Haleakala and another four at Cerro Tololo, an LCOGT site. All the telescopes (Nikon telephoto f400/2.8 lenses) have a diameter of 14 cm and ProLine PL230 CCD cameras. The pixels in the cameras are 7.8 arc seconds wide, so that follow up observations on other telescopes are required to get a more accurate location.[2]
The main goal of the project is to look for bright supernovae. However other transient objects are frequently discovered, including nearby tidal disruption events, cataclysmic variables, and stellar flares, including several largest flares ever seen. It can detect new objects with magnitudes between 17 and 8.[2]
Objects discovered receive designations starting with ASASSN followed by a dash, a two digit year and letters, for example ASASSN-15lh.
References
- ↑ Dong, S.; Shappee, B. J.; Prieto, J. L.; Jha, S. W.; Stanek, K. Z.; Holoien, T. W.- S.; Kochanek, C. S.; Thompson, T. A.; Morrell, N.; Thompson, I. B.; et al. (January 15, 2016). "ASASSN-15lh: A highly super-luminous supernova". Science 351 (6270): 257–260. arXiv:1507.03010. Bibcode:2016Sci...351..257D. doi:10.1126/science.aac9613.
- 1 2 Holoien, Tom; Stanek, Kris (5 January 2016). "ASAS-SN's (Assassin's) Homepage". www.astronomy.ohio-state.edu. Retrieved 19 January 2016.
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