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Spectroscopic Classification of PSST Optical Transients

ATel #7756; M. Huber, K. C. Chambers, H. Flewelling, M. Willman, N. Primak, A. Schultz, B. Gibson, E. Magnier, C. Waters, J. Tonry, R. J. Wainscoat (IfA, Hawaii), K. W. Smith, D. Wright, S. J. Smartt (Queen's University Belfast), R. J. Foley (Illinois), S. W. Jha (Rutgers), A. Rest (STScI), D. Scolnic (Chicago/KICP)
on 3 Jul 2015; 09:06 UT
Credential Certification: Mark Huber (mhuber@ifa.hawaii.edu)

Subjects: Optical, Cataclysmic Variable, Supernovae, Transient

We report spectroscopic classification of objects from the Pan-STARRS Survey for Transients (PSST; Huber et al., ATel #7153; http://star.pst.qub.ac.uk/ps1threepi/ ). Observations were made with the SNIFS spectrograph on the UH 2.2m telescope (range 330-970nm, resolution R~1000) and the classification was done using SNID (Blondin and Tonry 2007, ApJ, 666, 1024) for supernova type.

 
Object  | RA (J2000)  | DEC (J2000) | Disc. Date | Mag(filt) | Spec. Date    | Type  | Redshift | Comments   
PS15baq | 18 36 31.84 | +51 28 31.8 |  20150629  |  17.88(i) | 2015-07-02.38 | SNIa  | 0.03     | 91bg-like, +3 days  
PS15ays | 17 17 48.46 | +26 03 42.0 |  20150627  |  18.76(i) | 2015-06-30.33 | SNIb  | 0.04     | near max 
PS15avy | 22 33 48.41 | -18 57 46.4 |  20150620  |  19.20(w) | 2015-06-29.54 | SNIa  | 0.07     | +30-40 days 
PS15asc | 16 09 13.00 | +23 28 00.7 |  20150611  |  19.71(r) | 2015-06-29.38 | SNIIP | 0.03     | +10-25 days  
PS15axr | 19 54 43.15 | -11 22 16.3 |  20150623  |  18.67(z) | 2015-06-26.60 | CV    |          | strong Balmer emission 
PS15axe | 15 01 25.66 | +05 21 55.1 |  20150622  |  18.27(i) | 2015-06-24.29 | SNIa  | 0.03     | possibly 91T-like, +20-50 days 
PS15awk | 16 18 53.16 | +07 04 27.2 |  20150620  |  17.89(w) | 2015-06-24.27 | CV    |          | strong Balmer emission