A big γ-ray burst at a redshift of z ≈ 8.2 (2009)
Tanvir, N. R., Fox, D. B., Levan, A. J., Berger, E., Wiersema, K., Fynbo, J. P. U., ...
4 pages, 3 figures.-- ArXiv pre-print available at: http://arxiv.org/abs/0906.1577
A γ-ray burst at a redshift of z ≈ 8.2 (2009)
Tanvir, N. R., Fox , D. B., Levan, A. J., Berger, E., Wiersema, K., Fynbo, J. P. U., ...
Long-duration γ-ray bursts (GRBs) are thought to result from the explosions of certain massive stars, and some are bright enough that they should be observable out to redshifts of z > 20 using...
VLT Spectropolarimetry of the fast expanding Type Ia SN2006X (2009)
Patat, F., Baade, D., Hoeflich, P., Maund, J. R., Wang, L., Wheeler, J. C.
Using VLT-FORS1 we performed optical spectropolarimetric observations of the Type Ia SN2006X on 7 pre-maximum epochs (day -10 to day -1) and one post-maximum epoch (+39 days). The SN shows strong...
The Early Asymmetries of Supernova 2008D / XRF 080109 (2009)
Maund, J. R., Wheeler, J. C., Baade, D., Patat, F., Hoflich, P. A., Wang, L., ...
Spectropolarimetry of the Type Ib SN 2008D, associated with the XRF 080109, at two separate epochs, are presented. The epochs of these observations correspond to V-band light curve maximum and 15...
Patat, F., Maund, J. R., Cappellaro, E., Harutyunyan, A., Turatto, M.
AIMS: The main goal of this work is to study possible signs of asymmetry in the bright optical transient in NGC300, with the aim of getting independent information on the explosion mechanism, the...
The normal Type Ia SN 2003hv out to very late phases (2009)
Leloudas, G., Stritzinger, M. D., Sollerman, J., Burns, C. R., Kozma, C., Krisciunas, K., ...
An extensive dataset for SN 2003hv that covers the flux evolution from maximum light to day +786 is presented. The data are combined with published nebular-phase infrared spectra, and the...
A glimpse of the end of the dark ages: the gamma-ray burst of 23 April 2009 at redshift 8.3 (2009)
Tanvir, N. R., Fox, D. B., Levan, A. J., Berger, E., Wiersema, K., Fynbo, J. P. U., ...
It is thought that the first generations of massive stars in the Universe were an important, and quite possibly dominant, source of the ultra-violet radiation that reionized the hydrogen gas in the...
SN 2005cs in M51 – II. Complete evolution in the optical and the near-infrared (2009)
Pastorello, A., Valenti, S., Zampieri, L., Navasardyan, H., Taubenberger, S., Smartt, S. J., ...
We present the results of the one-year long observational campaign of the type II plateau SN 2005cs, which exploded in the nearby spiral galaxy M51 (the Whirlpool galaxy). This extensive data set...
SN 1999ga: a low-luminosity linear type II supernova? (2009)
Pastorello, A., Crockett, R. M., Martin, R., Smartt, S. J., Altavilla, G., Benetti, S., ...
Type II-linear supernovae are thought to arise from progenitors that have lost most of their H envelope by the time of the explosion, and they are poorly understood because they are only occasionally...
SN 2005cs in M51 II. Complete Evolution in the Optical and the Near-Infrared (2009)
Pastorello, A., Valenti, S., Zampieri, L., Navasardyan, H., Taubenberger, S., Smartt, S. J., ...
We present the results of the one year long observational campaign of the type II-plateau SN 2005cs, which exploded in the nearby spiral galaxy M51 (the Whirlpool Galaxy). This extensive dataset...
SN 2005cs in M51 – II. Complete evolution in the optical and the near-infrared (2009)
Pastorello, A., Valenti, S., Zampieri, L., Navasardyan, H., Taubenberger, S., Smartt, S. J., ...
SN 1999ga: a low-luminosity linear type II supernova? (2009)
Pastorello, A., Crockett, R. M., Martin, R., Smartt, S. J., Altavilla, G., Benetti, S., ...
The normal type Ia SN 2003hv out to very late phases (2009)
Leloudas, G., Stritzinger, M. D., Sollerman, J., Burns, C. R., Kozma, C., Krisciunas, K., ...
Smartt, S. J., Eldridge, J. J., Crockett, R. M., Maund, J. R.
We present the results of a 10.5 yr, volume limited (28 Mpc) search for supernova (SN) progenitor stars. We compile all SNe discovered within this volume (132, of which 27% are type Ia) and determine...
VLT detection of a red supergiant progenitor of the type IIP supernova 2008bk (2008)
Mattila, S., Smartt, S. J., Eldridge, J. J., Maund, J. R., Crockett, R. M., Danziger, I. J.
We report the identification of a source coincident with the position of the nearby type II-P supernova (SN) 2008bk in high quality optical and near-infrared pre-explosion images from the ESO Very...
The type IIb SN 2008ax: the nature of the progenitor (2008)
Crockett, R. M., Eldridge, J. J., Smartt, S. J., Pastorello, A., Gal-Yam, A., Fox, D. B., ...
A source coincident with the position of the type IIb supernova (SN) 2008ax is identified in pre-explosion Hubble Space Telescope (HST) Wide Field Planetary Camera 2 observations in three optical...
Optical spectropolarimetry with incomplete data sets (2008)
Linear spectropolarimetry is a ``photon-hungry'' observing technique, requiring a specific sequence of observations to determine the Stokes Q and U parameters. For dual-beam spectropolarimeters, the...
Spectropolarimetry of the Type IIb Supernova 2001ig (2007)
Maund, J. R., Wheeler, J. C., Patat, F., Wang, L., Baade, D., Hoflich, P. A.
We present spectropolarimetric observations of the Type IIb SN 2001ig in NGC 7424; conducted with the ESO VLT FORS1 on 2001 Dec 16, 2002 Jan 3 and 2002 Aug 16 or 13, 31 and 256 days post-explosion....
Spectropolarimetry of the Type Ib/c SN 2005bf (2007)
Maund, J. R., Wheeler, J. C., Patat, F., Baade, D., Wang, L., Hoflich, P.
We present spectropolarimetric observations of the peculiar Type Ib/c SN 2005bf, in MCG+00-27-005, from 3600-8550\AA. The SN was observed on 2005 April 30.9, 18 days after the first B-band...
A deeper search for the progenitor of the Type Ic Supernova 2002ap (2007)
Crockett, R. M., Smartt, S. J., Eldridge, J. J., Mattila, S., Young, D. R., Pastorello, A., ...
(Abridged) We present a search for the progenitor star of the Type Ic Supernova 2002ap in deep, high quality pre-explosion observations taken with the Canada-France-Hawaii Telescope (CFHT). Aligning...
SN 2004A: another Type II-P supernova with a red supergiant progenitor (2006)
Henrdy, M. A., Smartt, S. J., Crockett, R. M., Maund, J. R., Gal-Yam, A., ...
We present a monitoring study of SN 2004A and probable discovery of a progenitor star in pre-explosion Hubble Space Telescope (HST) images. The photometric and spectroscopic monitoring of SN 2004A...
SN 2004A: Another Type II-P Supernova with a Red Supergiant Progenitor (2006)
Hendry, M. A., Smartt, S. J., Crockett, R. M., Maund, J. R., Gal-Yam, A., ...
We present a monitoring study of SN 2004A and probable discovery of a progenitor star in pre-explosion HST images. The photometric and spectroscopic monitoring of SN 2004A show that it was a normal...
Faint Supernovae and Supernova Impostors: Case studies of SN2002kg/NGC2403-V37 and SN 2003gm (2006)
Maund, J. R., Smartt, S. J., Pastorello, A., Nelemans, G., Bresolin, F., ...
Photometric and spectroscopic observations of the faint Supernovae (SNe) 2002kg and 2003gm, and their precursors, in NGC 2403 and NGC 5334 respectively, are presented. The properties of these SNe are...
The Progenitor of SN 2005cs in the Whirlpool Galaxy (2005)
Maund, J. R., Smartt, S. J., Danziger, I. J.
The progenitor of SN 2005cs, in the galaxy M51, is identified in pre-explosion HST ACS WFC imaging. Differential astrometry, with post-explosion ACS HRC F555W images, permitted the identification of...
A Study of the Type II-P Supernova 2003gd in M74 (2005)
Hendry, M. A., Smartt, S. J., Maund, J. R., Pastorello, A., Zampieri, L., Benetti, S., ...
We present photometric and spectroscopic data of the type II-P supernova 2003gd, which was discovered in M74 close to the end of its plateau phase. SN 2003gd is the first type II supernova to have a...
Detection of a red supergiant progenitor star of a type II-plateau supernova (2004)
Smartt, S. J., Maund, J. R., Hendry, M. A., Tout, C. A., Gilmore, G. F., Mattila, S., ...
We present the discovery of a red supergiant star that exploded as supernova 2003gd in the nearby spiral galaxy M74. The Hubble Space Telescope (HST) and the Gemini Telescope imaged this galaxy 6 to...
The massive binary companion star to the progenitor of supernova 1993J (2004)
Maund, J. R., Smartt, S. J., Kudritzki, R. P., Podsiadlowski, Ph., Gilmore, G. F.
The massive star which underwent core-collapse to produce SN1993J was identified as a non-variable red supergiant star in images of the galaxy M81 taken before explosion. However the stellar source...
Detection of a red supergiant progenitor star of a Type II-plateau supernova (2004)
Smartt, S.J., Maund, J.R., Hendry, M.A., Tout, C.A., Gilmore, G.F., Mattila, S., ...
We present the discovery of a red supergiant star that exploded as supernova 2003gd in the nearby spiral galaxy M74. The Hubble Space Telescope (HST) and the Gemini Telescope imaged this galaxy 6 to...
Mass limits for the progenitor star of supernova 2001du and other type II-P supernovae (2003)
Smartt, S. J., Maund, J. R., Gilmore, G. F., Tout, C. A., Kilkenny, D., Benetti, S.
The supernova SN2001du in the galaxy NGC1365 (19+/-2Mpc), is a core-collapse event of type II-P. Images of this galaxy, have been taken with HST approximately 6.6 years before discovery and include...
Detection of a red supergiant progenitor star of a Type II-plateau supernova
Smartt, S.J., Maund, J.R., Hendry, M.A., Tout, C.A., Gilmore, G.F., Mattila, S., ...
We present the discovery of a red supergiant star that exploded as supernova 2003gd in the nearby spiral galaxy M74. The Hubble Space Telescope (HST) and the Gemini Telescope imaged this galaxy 6 to...
Detection of a red supergiant progenitor star of a Type II-plateau supernova
Smartt, S.J., Maund, J.R., Hendry, M.A., Tout, C.A., Gilmore, G.F., Mattila, S., ...
We present the discovery of a red supergiant star that exploded as supernova 2003gd in the nearby spiral galaxy M74. The Hubble Space Telescope (HST) and the Gemini Telescope imaged this galaxy 6 to...