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Creation date: 09.01.2022,   Archive date: 09.01.2022

An absolute calibration of the Period-Luminosity Relations for Type II Cepheids

Population II Cepheids are old population pulsating stars. They are less known than famous Classical Cepheids, … more An absolute calibration of the Period-Luminosity Relations for Type II Cepheids»

Creation date: 07.12.2021,   Archive date: 07.12.2021

SALT uncovers the nature of the jet-producing symbiotic binary St 2-22

Symbiotic stars are one of the most active classes of binary systems. They are composed of … more SALT uncovers the nature of the jet-producing symbiotic binary St 2-22»

Creation date: 22.11.2021,   Archive date: 22.11.2021

Warped accretion disc observed around a black hole

An international team of astrophysicists from the South African Astronomical Observatory (SAAO), the University of Southampton, … more Warped accretion disc observed around a black hole»

Creation date: 09.11.2021,   Archive date: 09.11.2021

ALMA view on the stellar-merger site in V838 Monocerotis

Shortly after its discovery at the beginning of 2002, V838 Monocerotis (or V838 Mon) became an … more ALMA view on the stellar-merger site in V838 Monocerotis»

Creation date: 10.08.2021,   Archive date: 10.08.2021

A dormant black hole inside HR 6819

HR 6819 was reported in Rivinius et al. (2020) to be a triple system composed of … more A dormant black hole inside HR 6819»

Creation date: 05.07.2021,   Archive date: 05.07.2021

Einstein Telescope on roadmap of the European Strategy Forum on Research Infrastructure

On June 30th, 2021, the European Strategy Forum on Research Infrastructures (ESFRI) decided to … more Einstein Telescope on roadmap of the European Strategy Forum on Research Infrastructure»

Creation date: 01.07.2021,   Archive date: 01.07.2021

Intermediate mass black holes and the case of GW190521

Intermediate-mass black holes (IMBHs) constitute a class of black holes with masses in the range 100-100,000 … more Intermediate mass black holes and the case of GW190521»

Creation date: 29.06.2021,   Archive date: 29.06.2021

Ultraluminous X-ray sources

Ultraluminous X-ray sources are bright point sources shining at above the Eddington limit for a 10 … more Ultraluminous X-ray sources»

Creation date: 14.05.2021,   Archive date: 14.05.2021

Spectral state transition in ultraluminous X-ray source Circinus ULX5

                   The biggest mystery of ultraluminous X- ray …
more Spectral state transition in ultraluminous X-ray source Circinus ULX5»

Creation date: 14.05.2021,   Archive date: 14.05.2021

Scrutinizing ancient stars of the Milky Way

Astronomers at the Nicolaus Copernicus Astronomical Centre (CAMK) have determined the surface temperature and gravity of … more Scrutinizing ancient stars of the Milky Way»

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