KEGS (Kepler Extra-Galactic Survey) Brad E. Tucker.

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Presentation transcript:

KEGS (Kepler Extra-Galactic Survey) Brad E. Tucker

The KEGS Core Team – The KEGGERS Brad Tucker Dan Kasen Armin Rest Peter Garnavich Rob Olling Ed Shaya Richard Mushostsky Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

Kepler Transiting planets around bright stars 105 sq. degree field in Cygnus ~100K targets ( ~3k GO) 1 min + 30 min cadences Only selected pixels downloaded Monitored 500 galaxies Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

Supernova with Kepler – The Good 30 Minute light-curve Continuous monitoring Pre-Explosion 4000 Data points per SN! Photometry ~ ppm Olling+ (Nature, in press) Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

Supernova with Kepler – The Bad ~4” pixels Data downloaded 3 months late => SN already happened Must pre-select which galaxies to monitor/download => Need to predict the future Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

Supernova with Kepler – The Ugly Systematic Nightmare! Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

SN with Kepler 6 SN from Ia’s (Olling+, Nature, in press) 2 II-P (Tucker+, Nature, in prep) 1 IIn/Ia-csm (Garnavich+, in prep) Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

Type Ia SN with Kepler Olling+ (Nature, in press) Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

Type Ia Supernova Progenitors Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

Detecting the Donor Star Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015 The blue object is the donor star, with the yellow shock wave and front The donor star interferes with the ejecta from the explosion After ~3 days the eject fills the hole creating by the donor star (b) Kasen (2010)

Signs of the Donor Star Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015 Most of the interaction is in the ultraviolet t < ~5 days in B band for a Red Giant shows a significant bump Optical bands only suffer a slight modification to their light curve rise time Kasen (2010)

Limits on Progenitors on Ia Progenitors Olling+ (Nature, in press) Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

Kepler Cosmology Olling+ (Nature, in press) Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

Core-Collapse SN Tucker+ (Nature, in prep) Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

Core-Collapse SN Tucker+ (Nature, in prep) Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015 Tucker+ (Nature, in prep)

Core-Collapse SN Garnavich+ ( in prep) Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

K2 Fields Kepler 1 Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

Campaign 4 ~3000 Galaxies 7 February – 24 April 2015 Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

Campaign Galaxies 26 April – 11 July 2015 Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

Fast and Faint Image Credit : Mansi Kasliwal KEGS Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

Active Galactic Nuclei Mushotzky+11 ~3% of galaxies low level AGN Sensitivity ~0.01% Aiming to find 300 – 500 new AGN QSO’s Too Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015

KEGS Plan + Goals 2 – 3 Fields per year (Galactic Cap Fields), 3-5K galaxies per field 3 – 10 SN per field, SN Shock break-out + subtle features Fast, faint transients AGN, QSO’s Improving cosmological samples Need Ground Based Follow-up to type objects Talk to me if you’re thirsty for data and want some KEGS Brad E. Tucker Hot-Wiring the Transient Universe IV 12 May 2015