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iPTF16fnl: Likely Tidal Disruption Event at 65 Mpc

Gezari, S. and Blagorodnova, N. and Neill, J. D. and Yan, Lin and Kulkarni, S. R. and Cenko, S. B. and Arcavi, Iair and Hosseinzadeh, G. and Horesh, A. and Gal-Yam, A. and Leloudas, G. and Walters, R. and Ben-Ami, Sagi and Cao, Y. and Miller, A. and Masci, Frank J. and Nugent, P. (2016) iPTF16fnl: Likely Tidal Disruption Event at 65 Mpc. Astronomers Telegram, 9433. .

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We report the detection of a nuclear transient, iPTF16fnl, discovered on UT 26 August 2016 in a nearby galaxy (Mrk 950) at z=0.0163. The transient was detected with g=17.4 mag, and is rising, with a blue color (g-r ~ -0.3 mag). A classification spectrum was taken with the robotic SED Machine (spectral range 350-950 nm, spectral resolution R=100) on the Palomar 60-in telescope on UT 30 August 2016, which detected a blue continuum, and a strong, broad He II 4686 emission line, which together with its quiescent host galaxy, are consistent with a tidal disruption event (TDE). Spectroscopic monitoring is also being conducted with the LCOGT. Swift and VLA observations have been triggered. Further follow-up observations are encouraged for what may be the closest TDE ever discovered at a distance of only ~65 Mpc. The co-ordinates are: iPTF16fnl 00:29:57.04 +32:53:37.5 (J2000)

Item Type:Report or Paper (Discussion Paper)
Related URLs:
URLURL TypeDescription Paper
Gezari, S.0000-0003-3703-5154
Blagorodnova, N.0000-0003-0901-1606
Neill, J. D.0000-0002-0466-1119
Yan, Lin0000-0003-1710-9339
Kulkarni, S. R.0000-0001-5390-8563
Cenko, S. B.0000-0003-1673-970X
Arcavi, Iair0000-0001-7090-4898
Hosseinzadeh, G.0000-0002-0832-2974
Horesh, A.0000-0002-5936-1156
Gal-Yam, A.0000-0002-3653-5598
Leloudas, G.0000-0002-8597-0756
Walters, R.0000-0002-1835-6078
Ben-Ami, Sagi0000-0001-6760-3074
Cao, Y.0000-0002-8036-8491
Miller, A.0000-0001-9515-478X
Masci, Frank J.0000-0002-8532-9395
Nugent, P.0000-0002-3389-0586
Group:Palomar Transient Factory, Infrared Processing and Analysis Center (IPAC)
Series Name:Astronomers Telegram
Issue or Number:9433
Record Number:CaltechAUTHORS:20190528-155235362
Persistent URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:95836
Deposited By: Joy Painter
Deposited On:28 May 2019 23:00
Last Modified:22 Nov 2019 22:42

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