Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.naic.edu/~astro/chicago2/talks/Stockdale-Future_of_Radio_SN_Observations.pdf Дата изменения: Tue Aug 22 00:12:58 2006 Дата индексирования: Sun Dec 23 00:59:30 2007 Кодировка: Поисковые слова: neptune

The Future of Radio Supernova Observations

Chris Stockdale Marquette University
K.W. Weiler (NRL), R.A. Sramek (NRAO), J.M. Marcaide (Valencia), N. Panagia (STScI), S.D. Van Dyk (Spitzer)


Evolution of Historical Supernovae using the VLBA
SNe 1979C(IIL), 1986J(II?), 1987A(IIP), 1993J(IIb), 2001gd(IIb) Science: Explosion Dynamics

& Evolution of the Circumstellar Medium (CSM) Needs: Sensitivity, High Resolution (~1 mas), Repetitive Monitoring


Early Density Structure of the CSM & Absorption Mechanisms
20cm-cyan 6cm-blue 3.5cm-green 2cm-red 1.3cm-black

SN 1994I - type Ic Synchrotron Self Absorption Science: Progenitor

Mass-Loss Rates & Evolution of the Circumstellar Medium (CSM) Needs: Sensitivity, ~1" Resolution, Repetitive Monitoring, Rapid Response, MultiSpectral


Late Density Structure of the CSM & Final Stage of Progenitor
SN 1979-type IIL
(Montes et al. 2000)

SN 2001gd-type IIb

(Stockdale et al. 2003) Science: Binary Systems, Progenitor Mass & Mass-Loss Evolution Needs: Sensitivity, ~1" Resolution, Repetitive Monitoring, Long-Term Monitoring, Multispectral


Interstellar Scintillation
GRB970508 (Waxman Kulkarni & Frail 1998) Science: Determine

Size of Emitting Region Needs: Sensitivity, ~1" Resolution, Repetitive Monitoring, Rapid Response, Multispectral


X-Ray/Radio Connection
SN 2006bp-type II (Immler et al. &
Kelley et al. 2006) Science: Determine Nature of X-Ray Emission Mechanisms Needs: Sensitivity, ~1" Resolution, Rapid Response, Multi-spectral


Supernova to Supernova Remnant
SNe 1923A(II), 1950B(II), and 1957D(II) in M83
(Stockdale et al. 2006) Science: Chart the Evolution as the Blastwave Transitions from Interaction with CSM to ISM

Needs:

Improved Sensitivity, ~1" Resolution, Long-Term Monitoring, Multi-spectral


Supernova-GRB Connection
SN 1998bw-type Ic
(Weiler Panagia & Montes 2001)

Science:
Long Bursts: SN Ib/c ­ CSM Structure & Evolution Short Bursts: SN Ia??? ­ Progenitor & CSM Evolution Needs: Improved Sensitivity, ~1" Res., Repetitive Monitoring, Very Rapid Response, Multi-spectral


Hidden Supernovae
SN 1986J (II)
(Bietenholz, Bartel, & Rupen 2002)

Arp 299
(Neff, Ulvestad, & Teng 2004) Science: Star Forming Rates & Neutron Star Formation Needs: Sensitivity, 1mas -1" Resolution, Repetitive Monitoring, Multi-spectral, Pipeline Mapping/Survey Capability


Cosmology Supernovae Ia
Radio Search for Supernovae Ia
(Panagia et al. 2006) SN 2006X (Stockdale & Immler et al. 2006) Science: Determine Nature of Progenitor, Mass Loss Rates, & Evolution Needs: High Sensitivity, ~1" Resolution,Very Rapid Response


Cosmology & Supernovae II
Luminosity - Time to Peak Relation
(Weiler et al. 1998)

Science: Standard
Distance Candle

Needs: Sensitivity, ~1"
Resolution, Repetitive Monitoring


The Future Needs
Improved Sensitivity 1" Resolution Always Available Improved Frequency Coverage Rapid ToO Response Early, Repetitive Monitoring Long-Term Monitoring Search Capability Automated, Rapid Mapping
(and a Galactic SN during my lifetime, please!)