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Special Notice #392: ASASSN-14lp = Type Ia Supernova in NGC 4666 (Virgo)

December 11, 2014: T. W.-S. Holoien et al. announce in The Astronomer's Telegram (ATel) #6795 (http://www.astronomerstelegram.org/?read=6795) the discovery of a transient in NGC 4666 at magnitude 14.3 V on 2014 December 9.61 UT. The discovery was made in the course of the All Sky Automated Survey for SuperNovae (ASASSN) search, and the object assigned the name ASASSN-14lp. ASASSN-14lp was not seen (<15.3 V) in poor-quality ASASSN images obtained on 2104 Dec. 08.35 UT.

J. Thorstensen et al. announce in ATel #6801 (http://www.astronomerstelegram.org/?read=6801) that ASASSN-14lp is a Type-Ia supernova a few days before maximum.

Observations are requested of this Type-Ia supernova.

Coordinates: RA 12:45:09.101  Dec. -00:27:32.49 (2000.0)

ASASSN-14lp is located 12" from the center of NGC 4666. It is currently a pre-dawn target, but will become more favorably positioned as the outburst progresses.

A finder chart for ASASSN-14lp with sequence may be created using the AAVSO Variable Star Plotter (VSX, http://www.aavso.org/vsp).

Please submit observations to the AAVSO International Database using the name ASASSN-14lp. Once a supernova ID has been assigned by the Central Bureau for Astronomical Telegrams, please use that name.

This AAVSO Special Notice was compiled by Elizabeth O. Waagen.

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