type-Ia supernovae
Tully-Fisher distance measurements of spiral galaxies with well-observed type Ia supernovae
... and Type Ia Supernovae (SNe ...SNe Ia are bright so-called 'standard candles' (albeit with a well-known dependences on colour and the decline rate of their light curves) that are used to ...
203
Stehle, Matthias (2004): Abundance Tomography of Type Ia Supernovae. Dissertation, LMU München: Fakultät für Physik
... in type Ia events, is a typical sign of a thermonuclear explosion, because Si is the main element in the fusion reactions to 56 Ni and indicates thermonuclear carbon ...that type Ia ...
170
Using large spectroscopic surveys to test the double degenerate model for Type Ia supernovae
... An observational constraint on the contribution of double degenerates to Type Ia supernovae requires multiple radial velocity measurements of ideally thousands of white dwarfs. This is because only a ...
15
Using large spectroscopic surveys to test the double degenerate model for Type Ia supernovae
... An observational constraint on the contribution of double degenerates to Type Ia supernovae requires multiple radial velocity measurements of ideally thousands of white dwarfs. This is because only a ...
15
Understanding Type Ia Supernovae Through Their Host Galaxies Using the SDSS-II Supernova Survey
... of Type Ia ...of Type Ia supernovae and upcoming sur- veys plan to find thousands more, we are no longer limited by statistics, but are now being limited by systematic uncertainties in ...
130
Bogdan, Akos (2010): X-ray emission from nearby early-type galaxies and origin of Type Ia Supernovae. Dissertation, LMU München: Fakultät für Physik
... The X-ray radiation from the majority of galaxies is dominated by X-ray binaries (e.g. Fabbiano, 2006). In addition, extended emission is present in galaxies of all morphological types. At least part of this emission is ...
138
Type Ia supernovae: explosions and progenitors
... Universe, supernovae themselves have been studied well over the past 75 ...classes Type II, Type Ib and Type Ic have been attributed to these ...of supernovae, the thermonuclear ...
18
How good are type Ia supernovae as distance indicators?
... them supernovae (SNe hereafter; Zwicky, ...example, supernovae are not mentioned in Hubble’s The Realm of the Nebulae, 1936 (according to Zwicky, ...and supernovae was at first based on twelve ...
193
Detonation shock dynamics of type Ia supernovae
... The local curved detonation wave properties and the pre- computed front propagation for the several examples considered are intended to provide not only a priori bounds on the length- and time-scales which need to be ...
16
A Local Hubble Bubble from Type Ia Supernovae?
... To investigate further the possible cross-talk with bulk velocity, we generate synthetic data from a toy model whose ““ true ÏÏ velocity Ðeld is the same as our best-Ðt two-zone model, namely, a pure Hubble Ñow outside ...
10
Apparent cosmic acceleration from type Ia supernovae
... of type Ia super- novae (SneIa) are well matched to the expansion history of a spatial homogeneous and isotropic Friedmann-Lemaˆıtre- Robertson-Walker (FLRW) model only if the Universe be- gan an epoch of ...
17
Supernova Cosmology And How To Talk About It: New Approaches To Cosmological Parameter Inference With Type Ia Supernovae And An Assessment Of The Education And Public Outreach Program Of The Dark Energy Survey
... SNe Ia, a significant linear correlation ( & 3σ ) was found suggesting that more massive galaxies host overluminous SNe Ia; it is possible that the three studies that did not detect such a correlation ...
304
Precise cosmological analysis of Type Ia supernovae: the Hubble constant and dark energy
... SN Ia sample for cosmological study, and to determine the dispersion in the peak ...for supernovae, they imaged ∼ 25 fields covering ∼ 600 square degrees with photographic plates twice a month, physically ...
149
The Most Slowly Declining Type Ia Supernova 2011ay
... that Type Ia supernovae (SNe) are standardizable candles at optical wavelengths: there is a correlation between their absolute magnitudes at maximum light and the rate at which these objects ...
17
A Precise Distance Indicator: Type Ia Supernova Multicolor Light‐Curve Shapes
... SN Ia class has been better understood and more narrowly ...of Type II supernovae, which are signiÐcantly less luminous in the ...1940B, Type II supernovae were classiÐed by the ...
23
A new rare type of supernovae: hypervelocity stellar collisions at galactic centres
... standard supernovae. In terms of power and time-scales, collisional supernovae are similar to the so-called Type Ia supernovae, such as SN2002bj and SN2010X, which are believed to ...
6
CI Aql: a Type Ia supernova progenitor?
... Type Ia supernovae (SNIa) play a key role in modern cos- mology. The rate of decline of their light curves and their intrinsic luminosities are directly correlated (Phillips 1993) and so they provide ...
13
Deep recurrent neural networks for supernovae classification
... a type-Ia supernovae ( excluded from training ) to the pre-trained two-layer LSTM model discussed ...( type-Ia versus non-type-Ia ) is initially unsure of classi fi cation, ...
6
Blondin, Stephane (2005): Optical Spectra of Thermonuclear Supernovae in the Local and Distant Universe. Dissertation, LMU München: Fakultät für Physik
... that encountered for SN 2002bo – namely the contamination of the close SN background by a secondary point source – are extremely delicate to handle in a coherent way with standard spectral reduction packages and lead in ...
291
Neutrino-nucleus reactions in supernovae
... The significant role played by processes with neu- trinos in core-collapse supernovae is well known [1]. In the collapsing core, energy emission via neutrinos helps to maintain the low entropy and, as a result, ...
7