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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
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
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 ... 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
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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