1. 'Hidden black hole' devouring curious star exposed by new X-ray space ...
2 dagen geleden · XRISM studied Cygnus X-3 for around 18 hours in March 2024 using its Resolve instrument. This allowed it to obtain a high-resolution spectrum ...
"For XRISM, Cygnus X-3 is a Goldilocks target."
2. APOD: 2024 August 28 – Tulip Nebula and Black Hole Cygnus X 1 - NASA
28 aug 2024 · ... direction. The complex and beautiful Tulip Nebula blossoms about 8,000 light-years away toward the constellation of Cygnus the Swan.
A different astronomy and space science related image is featured each day, along with a brief explanation.
3. XRISM mission looks deeply into 'hidden' stellar system - Space Daily
2 dagen geleden · Observing Cygnus X-3 for 18 hours in late March, Resolve acquired a high-resolution spectrum that allows astronomers to better understand the ...
Greenbelt MD (SPX) Nov 26, 2024 - The Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) observatory has captured the most detailed portrait yet of gases flowing within Cygnus X-3, one of the most studied sources in the X-ray
4. 'Hidden black hole' devouring curious star exposed by new X-ray space ...
2 dagen geleden · XRISM studied Cygnus X-3 for around 18 hours in March 2024 using its Resolve instrument. This allowed it to obtain a high-resolution spectrum ...
In a "rite of passage," the JAXA/NASA X-ray telescope XRISM has mapped in detail Cygnus X-3, a curious binary system with a potential black hole feasting stellar winds blowing from a massive star.
5. Ultrasoft state of microquasar Cygnus X-3: X-ray polarimetry reveals the ...
Cygnus X-3 is an enigmatic X-ray binary that is both an exceptional accreting system and a cornerstone for population synthesis studies.
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6. APOD: Tulip Nebula and Black Hole Cygnus X-1 (2024 Aug 28)
28 aug 2024 · Tulip Nebula and Black Hole Cygnus X-1. Explanation: When can you see a black hole, a tulip, and a swan all at once?
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7. The fourth giant flare of Cygnus X-3 in 2024 - Ратан 600
Already we have detected the activity from the microquasar Cygnus X-3 on 13-29 February, 27 March - 1 May, and 25 June - 16 July with maxima fluxes 15-20 Jy at ...
Опубликовано: 07 / 2024
8. Long term variability of Cygnus X-1 - VIII. A spectral-timing look at low ...
In Cyg X-1, we find that the variability at low and high energies is overall highly coherent in the hard and intermediate states. The high coherence shows that ...
Astronomy & Astrophysics (A&A) is an international journal which publishes papers on all aspects of astronomy and astrophysics
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10. Uncovering the innermost jet in the hidden ultra-luminous X-ray source ...
X-ray polarization observations show that Cyg X-3 is most likely a hidden ultra-luminous X-ray (ULX) source with a luminosity above the Eddington limit along ...
Jun Yang
11. Tulip Nebula and Black Hole Cygnus X-1 - Overlook Horizon
By Overlook Horizon|2024-08-28T09:09:31-04:00August 28th, 2024|Categories: NASA News, Uncategorized|Tags: nasa, Nebula, Photo, photo of the day, picture, ...
Photo of the Day
12. Cygnus X-3 revealed as a Galactic ultraluminous X-ray source by IXPE
2 mrt 2023 · ... 2024 (this version, v2)]. Title:Cygnus X-3 revealed as a Galactic ultraluminous X-ray source by IXPE. Authors:Alexandra Veledina, Fabio Muleri ...
The accretion of matter by compact objects can be inhibited by radiation pressure if the luminosity exceeds the critical value, known as the Eddington limit. Discovery of ultraluminous X-ray sources has shown that accretion can proceed even when the apparent luminosity significantly exceeds this limit. High apparent luminosity might be produced thanks to geometric beaming of the radiation by an outflow. The outflow half-opening angle, which determines the amplification due to beaming, has never been robustly constrained. Using the Imaging X-ray Polarimetry Explorer, we made the measurement of X-ray polarization in the Galactic X-ray binary Cyg X-3. We find high, over 20%, nearly energy-independent linear polarization, orthogonal to the direction of the radio ejections. These properties unambiguously indicate the presence of a collimating outflow in the X-ray binary Cyg~X-3 and constrain its half-opening angle, <15 degrees. Thus, the source can be used as a laboratory for studying the super-critical accretion regime. This finding underscores the importance of X-ray polarimetry in advancing our understanding of accreting sources.
13. Shell-shocked: the interstellar medium near Cygnus X-1 - Oxford Academic
Unless the wind is somehow focused, ∼15 per cent of the wind power is directed towards the shock wave. ... Copyright © 2024 Oxford University Press; Cookie ...
14. Cygnus X-1 Star System & Black Hole: Wide-field & Artist views
4 sep 2024 · Wednesday, September 04, 2024. Cygnus X-1 Star System & Black Hole: Wide-field & Artist views. Cygnus X-1 Star System & Black Hole: Wide-field & ...
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15. An IXPE-Led Campaign on the Soft State of Cygnus X-1
Bevat niet: directed | Resultaten tonen met:directed
Presentation #107.65 in the session Stellar/Compact Objects - Poster Session.
16. Cygnus X-1 - SAMUNDRAGYAAN EDUCATION FOUNDATION
3 feb 2024 · India's first, dedicated multi-wavelength astronomy mission, accomplished the difficult task of measuring the X-ray polarisation of the Cygnus X-1 black hole ...
17. Young and embedded clusters in Cygnus-X: evidence for building up ...
Any queries (other than missing material) should be directed to the corresponding author for the article. ... Copyright © 2024 Oxford University Press
