Articles by Tomasz Nowakowski
Phys.org / DESI maps C-19, an extremely metal-poor Milky Way stellar stream
Using the Mayall 4-meter telescope at Kitt Peak National Observatory, an international team of astronomers has observed C-19—an extremely metal-poor stellar stream in the Milky Way's halo. Results of the observational campaign, ...
Phys.org / Astronomers discover long-period radio transient of unknown origin
Using the Australian SKA Pathfinder (ASKAP), astronomers have discovered a new long-period radio transient source, which received the designation ASKAP J142431.2–612611 (ASKAP J1424 for short). The newfound transient has ...
Phys.org / Globular cluster NGC 5824 is embedded in a dark matter halo, study suggests
Using data from the Magellan Clay telescope and the Canada-France-Hawaii Telescope (CFHT), astronomers have investigated a galactic globular cluster known as NGC 5824. Results of the new study, available in a paper published ...
Phys.org / TESS discovers a super-Earth exoplanet orbiting nearby star
Using the Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered a new super-Earth exoplanet orbiting a star located about 83 light years away. The newfound alien world is slightly larger than Earth and ...
Phys.org / ATCA observations probe peculiar pulsar wind nebula Vela X
Astronomers have employed the Australia Telescope Compact Array (ATCA) to investigate a peculiar pulsar wind nebula known as Vela X. Results of the new observations, published March 2 on the arXiv pre-print server, provide ...
Phys.org / Dry ice detected in a planetary nebula for the first time
An international team of astronomers has employed the James Webb Space Telescope (JWST) to observe a complex planetary nebula known as NGC 6302. The observations, detailed in a paper published Feb. 25 on the arXiv pre-print ...
Phys.org / Multi-wavelength observations track bright gamma-ray blazar's three-year cycle
By analyzing the data from various space observatories and ground-based telescopes, European astronomers have performed a multiwavelength study of a bright gamma-ray blazar known as S5 1044+71. The new study, published Feb. ...
Phys.org / V615 Vul shows rare hybrid nova signature after rapid two-day rise
Italian astronomers have performed extensive spectroscopic monitoring of a recently discovered nova known as Vulpeculae 2024, also known as V615 Vul. Results of the new observations, presented in a paper published in the ...
Phys.org / Binary star population of open cluster NGC 2158 explored with Hubble
Astronomers have analyzed the images collected by the Hubble Space Telescope (HST) to investigate a galactic open cluster known as NGC 2158. Results of the study, published Feb. 25 on the arXiv pre-print server, provide essential ...
Phys.org / Astronomers discover TOI-5734 b, a hot sub-Neptune twice Earth's size
Using the Transiting Exoplanet Survey Satellite (TESS) and High Accuracy Radial velocity Planet Searcher for the Northern Hemisphere (HARPS-N), an international team of astronomers has discovered a hot sub-Neptune exoplanet ...
Phys.org / Rare Type Icn supernova SN 2024abvb is among the most luminous known
An international team of astronomers has carried out photometric and spectroscopic observations of SN 2024abvb—a recently discovered supernova of a rare Type Icn. The new observational campaign yields important information ...
Phys.org / Russian astronomers observe the eruptive behavior of a young star
Russian astronomers from Moscow State University have performed photometric, polarimetric, and spectroscopic observations of a young star designated IRAS 21204+4913. Results of the new observations, which were published February ...
Phys.org / ALMA explores giant molecular clouds in nearby galaxy NGC 1387
An international team of astronomers has employed the Atacama Large Millimeter/submillimeter Array (ALMA) to investigate molecular gas in a nearby galaxy known as NGC 1387. Results of the observational campaign, published ...
Phys.org / Astronomers inspect ultraluminous X-ray pulsar's magnetic field evolution in the Whale galaxy
Indian astronomers have investigated an ultraluminous X-ray pulsar in the galaxy NGC 4631, designated X-8. The new study, described in a paper published Feb. 16 on the arXiv preprint server, provides essential information ...
Phys.org / Astronomers discover rare super-Jupiter orbiting distant star
Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new exoplanet orbiting a distant star known as TIC-65910228. The newfound alien world is slightly larger and ...