Supernova PTF 11kly / SN 2011fe in Pinwheel galaxy

            Type Ia supernova, visible from earth -- the brightest visible supernova from our perspective in 40 years. The supernova was discovered by the Palomar Transient Factory (PTF) survey on 24 August 2011. The now-exploded star, formerly a white dwarf, is located in Messier 101, the Pinwheel Galaxy, 21 million light years from Earth. As I took this shot, the supernova was nearing the brightness of 2.5 billion suns.

Type Ia supernova events occur when a white dwarf star accretes enough additional matter to exceed the Chandrasekhar limit and collapse, triggering runaway fusion and a supernova explosion. Because this collapse happens at a consistent mass, the resulting explosions have very uniform characteristics, and are used as "standard candles" to measure the distance to their host galaxies.

Canon EOS 50D, Canon EF85mm ƒ/1.8, tripod, single frame, untracked.

Taken in: United States / Montana / Glasgow (show map)

Taken on: September 8, 2011

Tags:

supernova

pinwheel

20110908

fyngyrz

PTF

11kly

PTF11kly

SN2011

SN2011fe « less

Sets appears in: • All Images • Astro (untracked) more » • EF 85mm ƒ/1.8 • EOS50D « less

Camera: Canon EOS 50D, f/1.8, 4 sec, 85mm, ISO 3200 (more info) (hide info)

Camera:	Canon EOS 50D
Aperture:	f/1.8
Exposure Time:	4
Focal Length:	85mm
ISO:	3200
Exposure Bias:	0 EV
Flash:	Off, Did not fire
Exposure Program:	Manual
Exposure Mode:	Manual
Metering Mode:	Spot
White Balance:	Manual
Color Space:	sRGB
Software:	Aperture 3.1.2
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