Astrophysics (Index)About

supernova

(SN)
(stellar explosion larger than a nova)

A supernova (SN) is a stellar explosion substantially more energetic than an ordinary nova. It is often briefly brighter than an entire galaxy, and fades away over a period of weeks or months. Energy emitted can be on the order of that of the Sun's entire lifetime. The explosion ejects most of the star's material at up to 10% of the speed of light, sweeping up interstellar gas and dust, which is called a supernova remnant. Classification:

Type I - very little or no hydrogen:

Type II - has hydrogen, broad emission lines:

Type Ia supernovae are thought to result from a white dwarf gaining sufficient matter to make it collapse enough to trigger a burst of fusion (a thermonuclear supernovae). All the others are thought to be the core collapses of various types of large stars (a core collapse supernovae).

The absolute brightness of a Type Ia supernova is thought to be determinable from its spectrum and fade time. These factors plus its apparent brightness are used to estimate distance to the supernova and thus to its galaxy and it can serve as a standard candle.


(stars,event type,transient type)
Further reading:
http://en.wikipedia.org/wiki/Supernova
http://en.wikipedia.org/wiki/Type_Ia_supernova
PrefixExample  
SNSN UDS10Wil 

Referenced by pages:
absorption line
abundances
alpha process
anisotropy
All Sky Automated Survey for SuperNovae (ASAS-SN)
Astrocats
Big Bang nucleosynthesis (BBN)
blastwave
Asiago Supernova Catalog (B/SN)
cadence
Calán/Tololo Survey
calcium-rich gap transient
Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS)
Cassiopeia A
CFHTLS
cosmic gamma ray background (CGB)
Chandrasekhar limit
common envelope
computational astrophysics
Cooper pair
core collapse
core collapse supernova (CCSN)
cosmic dust
cosmic rays (CR)
cosmological time dilation
Carnegie Supernova Project (CSP)
dark energy
Dark Energy Survey (DES)
Deep Lens Survey (DLS)
Eddington luminosity
ejection
electron capture
EROS
ESSENCE
star formation feedback
FIRE Simulations
foe
fusion
gamma-ray burst (GRB)
guest star
gravitational wave (GW)
GW170817
gravitational wave spectrum
habitable zone (HZ)
high-energy astrophysics (HEA)
high-velocity star
Hubble diagram
hydrodynamics
interstellar medium (ISM)
ITEP-SAI Supernova Light Curve Catalogue
Kamioka Observatory
kilonova (KN)
luminous blue variable (LBV)
light curve
light echo
Lick Observatory Supernova Search (LOSS)
luminous red nova (LRN)
low-surface-brightness galaxy (LSB galaxy)
LaSilla-QUEST Variability Survey (LSQ)
Rubin Observatory (VRO)
Crab Nebula (M1)
Messier 100 (M100)
Messier 74 (M74)
magnesium (Mg)
mass transfer
Medium Deep Survey (MDS)
metal
Milky Way
Milky Way chemical evolution
near-Earth supernova
neon (Ne)
neutrino (ν)
neutronization
NGC 6946
nickel (Ni)
nitrogen (N)
nova (N)
Nearby Supernova Factory (NSNF)
nucleosynthesis
pair production
Pan-STARRS
Pantheon
PHOENIX stellar model
pipeline
plate
post-main-sequence star
p-process
PROMETHEUS/VERTEX
Palomar Transient Factory (PTF)
Puppis A
pulsar wind nebula (PWN)
radioactive decay
radio supernova (RSN)
redshift survey
relic
rp-process
RT instability
Supernova Cosmology Project (SCP)
shell
silicon (Si)
superluminous supernova (SLSN)
SN 1987A (1987A)
SN 2014J
supernova designator
supernova impostor
supernova light curve (SN light curve)
Supernova Legacy Survey (SNLS)
supernova progenitor
supernova remnant (SNR)
supernova survey
Swope Supernova Survey (SSS)
star count
star formation (SF)
stellar age determination
stellar population
subgrid-scale physics
sulfur (S)
supershell
templates
Transiting Exoplanet Survey Satellite (TESS)
thermal dust emission
three dimensional model
tired light
Transient Name Server (TNS)
transient
transient astronomy
turbulent pressure
Type Ia supernova
ULTRASAT
Vela supernova remnant
velocity-metallicity relation
WISeREP

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