A. V. Filippenko, D. C. Leonard, and A. G. Riess, University of California at Berkeley, report that a Keck-II spectrum (range 540-910 nm) of SN 1999B obtained on Jan. 18 UT confirms that this is a type-II supernova (cf. IAUC 7088). The spectrum exhibits strong, broad H-alpha emission, and a few weak absorption lines.
International Astronomical Union Circular
- Pub Date:
- January 1999