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View article: Interstellar comet 3I/ATLAS: discovery and physical description
Interstellar comet 3I/ATLAS: discovery and physical description Open
We present the characteristics of interstellar comet 3I/Asteroid Terrestrial-impact Last Alert System (ATLAS), discovered on 2025 July 1 by the ATLAS. The comet has eccentricity $\simeq$6.1 and velocity at infinity $\simeq$57 km s−1, indic…
View article: Limits on the Ejecta Mass During the Search for Kilonovae Associated with Neutron Star-Black Hole Mergers: A case study of S230518h, GW230529, S230627c and the Low-Significance Candidate S240422ed
Limits on the Ejecta Mass During the Search for Kilonovae Associated with Neutron Star-Black Hole Mergers: A case study of S230518h, GW230529, S230627c and the Low-Significance Candidate S240422ed Open
Neutron star-black hole (NSBH) mergers, detectable via their gravitational-wave (GW) emission, are expected to produce kilonovae (KNe). Four NSBH candidates have been identified and followed-up by more than fifty instruments since the star…
View article: Multiwavelength classification of X-ray selected galaxy cluster candidates in the X-CLASS survey
Multiwavelength classification of X-ray selected galaxy cluster candidates in the X-CLASS survey Open
Classification dataset used in Kosiba et al. 2020 (10.1093/mnras/staa1723) Training and testing images and corresponding labels low-z (clusters, 00.3), nearby galaxy, point source (point, double source, star/AGN), and other (artefact, edge)
View article: Multiwavelength classification of X-ray selected galaxy cluster candidates using convolutional neural networks
Multiwavelength classification of X-ray selected galaxy cluster candidates using convolutional neural networks Open
Classification dataset used in Kosiba et al. 2020 (10.1093/mnras/staa1723) consisting of candidate clusters in the XCLASS survey Training and testing images and corresponding labels low-z (clusters, 00.3), nearby galaxy, point source (poin…
View article: Multiwavelength classification of X-ray selected galaxy cluster candidates using convolutional neural networks
Multiwavelength classification of X-ray selected galaxy cluster candidates using convolutional neural networks Open
Classification dataset used in Kosiba et al. 2020 (10.1093/mnras/staa1723) consisting of candidate clusters in the XCLASS survey Training and testing images and corresponding labels low-z (clusters, 00.3), nearby galaxy, point source (poin…
View article: Multiwavelength classification of X-ray selected galaxy cluster candidates using convolutional neural networks
Multiwavelength classification of X-ray selected galaxy cluster candidates using convolutional neural networks Open
Galaxy clusters appear as extended sources in XMM–Newton images, but not all extended sources are clusters. So, their proper classification requires visual inspection with optical images, which is a slow process with biases that are almost…
View article: X-ray properties of the X-CLASS-redMaPPer galaxy cluster sample: the luminosity–temperature relation
X-ray properties of the X-CLASS-redMaPPer galaxy cluster sample: the luminosity–temperature relation Open
This article presents the results of a spectroscopic analysis of the X-CLASS-redMaPPer (XC1-RM) galaxy cluster sample. X-CLASS is a serendipitous search for clusters in X-ray wavebands based on the XMM–Newton archive, whereas redMaPPer is …
View article: The 3XMM/SDSS Stripe 82 Galaxy Cluster Survey – II. X-ray and optical properties of the cluster sample
The 3XMM/SDSS Stripe 82 Galaxy Cluster Survey – II. X-ray and optical properties of the cluster sample Open
We present X-ray and optical properties of the optically confirmed galaxy cluster sample from the 3XMM/SDSS Stripe 82 cluster survey. The sample includes 54 galaxy clusters in the redshift range of 0.05–1.2, with a median redshift of 0.36.…