Next meeting:
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4 years ago
Title: A massive open cluster hiding in full sight
Link: https://arxiv.org/abs/2104.08778
Description:
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Votes: 1
4 years ago
Title:
1I/'Oumuamua as an N2 ice fragment of an exo-Pluto surface: I. size and
compositional constraints
(View PDF)
Author:
Alan P. Jackson, Steven J. Desch
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Votes: 1
4 years ago
Title:
On the origin of the asymmetry of the ejecta structure and explosion of
G350.1$-$0.3
(View PDF)
Author:
Tomoya Tsuchioka, Yasunobu Uchiyama, Ryota Higurashi, Hiroyoshi Iwasaki, Shumpei Otsuka, Shinya Yamada, Toshiki SATO
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Votes: 1
4 years ago
Title:
Searching for local counterparts of high-redshift post-starburst
galaxies in integral field unit spectroscopic surveys of nearby galaxies
(View PDF)
Author:
Po-Feng Wu
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Votes: 1
4 years ago
Title:
Modeling the Galactic Neutron Star Population for Use in Continuous
Gravitational Wave Searches
(View PDF)
Author:
Brendan T. Reed, Alex Deibel, C. J. Horowitz
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Votes: 1
4 years ago Author:
Daniel Kasen, S. E. Woosley
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4 years ago
Title: Accurate 3D fireball trajectory and orbit calculation using the 3D-FireTOC automatic Python code
Link: https://arxiv.org/abs/2103.13758
Description:
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4 years ago
Title: Probing the existence of a rich galaxy overdensity at z = 5.2
Link: https://arxiv.org/pdf/2101.02747.pdf
Description: We report the results of a pilot spectroscopic program of a region at z = 5.2 in the GOODS-N field containing an overdensity of galaxies around the well-known submillimeter galaxy HDF850.1. We have selected candidate cluster members from the optical 25 medium-band photometric catalog of the project SHARDS (Survey for High-z Absorption Red and Dead Sources). 17 rest-frame UV selected galaxies (LAEs and LBGs) with 5.15<zphot<5.27, candidates to be physically associated with the overdensity, have been observed with the instrument OSIRIS at the GranTeCan telescope. 13 out of these 17 (76 per cent) sources have secure spectroscopic confirmations via the Lyα line at the redshift of the galaxy protocluster PCl−HDF850.1, demonstrating the high reliabilty of our photometric redshift method. 10 out of 13 sources are newly confirmed members. Thus, we increase the number of confirmed members in this overdensity from 13 to 23 objects. In order to fully characterize this structure we combined our da
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Votes: 1
4 years ago Author:
Carlos A. R. Herdeiro, Eugen Radu, Kunihito Uzawa
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4 years ago
Title: A Bispectral Analysis of the Radio Emissions of Pulsar J0437-4715
Link: https://www.worldscientific.com/doi/abs/10.1142/S225117172050018X
Description: A combination of the very low signal-to-noise ratio and the very large parameter space spanned by pulsar emissions makes pulsar detection a challenging task. Currently, brute force parameter searches are often used for pulsar detection and a cyclostationary Gaussian model is assumed for pulsar emissions. Higher-Order spectra offer high signal-to-noise ratio domains in problems where the desired signal is polluted by Gaussian noise. The presence of nonzero higher-order spectral components in pulsar bursts may offer alternative detection methods. This work presents a review of higher-order statistics and offers a motivation for their use in the characterization of pulsar bursts. A dish from the MeerKAT telescope was used to acquire recorded radio bursts from pulsar J0437-4715. These bursts were found to contain nonzero bispectral components that were dispersed in the same way as the components of the power spectrum.
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