Observing Information
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数据描述

Observing Information

The dataset contains observational raw data from various instruments at ESO facilities (La Silla, Paranal, and VLT). It includes imaging, spectroscopy, interferometry, polarimetry, and coronagraphy data, with various instruments like EFOSC2, EMMI, ERIS, FORS1, FORS2, ISAAC, NACO, SPHERE, and more. The data covers science, calibration, acquisition, technical, test, simulation, and other categories. Users can query the data based on various parameters, including target name, program ID, observing dates, instrument setup, and exposure time.

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相关论文

6

r-Process elements from magnetorotational hypernovae

D. YongC. KobayashiG. S. Da CostaM. S. BessellA. Chiti14
Nature
2021
2021/7/7
Vol.595 No.7866 p.223-226
Neutron-star mergers were recently confirmed as sites of rapid-neutron-capture (r-process) nucleosynthesis1–3. However, in Galactic chemical evolution models, neutron-star mergers alone cannot reproduce the observed element abundance patterns of extremely metal-poor stars, which indicates the existe...
Early universeStarsStellar evolution
10.1038/S41586-021-03611-2
ISSN:0028-0836

Milky-Way-like stars in a galaxy core 8 billion years ago revealed by gravitational lensing

Quirino D’AmatoFilippo MannucciAlessandro SonnenfeldMartina ScialpiJames W. Nightingale43
Nature Astronomy
2026
2026/4/2
00 p.1-12
The assembly of stellar-dominated cores in elliptical galaxies is key to understanding how cosmic structures evolved. Gravitational lensing offers unique insights into the nature of their stars. Here we report the discovery of an extremely compact quadruply lensed quasar (radius ~0.2″), whose lensin...
Compact astrophysical objectsDark energy and dark matterGalaxies and clustersStellar evolution
10.1038/S41550-026-02819-4
ISSN:2397-3366

Spectral determination of the colour and vertical structure of dark spots in Neptune’s atmosphere

Patrick G. J. IrwinJack DobinsonArjuna JamesMichael H. WongLeigh N. Fletcher16
Nature Astronomy
2023
2023/8/24
00 p.1-10
Previous observations of dark vortices in Neptune’s atmosphere, such as Voyager 2’s Great Dark Spot (1989), have been made in only a few broad-wavelength channels, hampering efforts to determine these vortices’ pressure levels and darkening processes. We analyse spectroscopic observations of a dark ...
Atmospheric chemistryGiant planets
10.1038/S41550-023-02047-0
ISSN:2397-3366

Gravitational instability in a planet-forming disk

Jessica SpeedieRuobing DongCassandra HallCristiano LongariniBenedetta Veronesi10
Nature
2024
2024/9/4
Vol.633 No.8028 p.58-62
The canonical theory for planet formation in circumstellar disks proposes that planets are grown from initially much smaller seeds1–5. The long-considered alternative theory proposes that giant protoplanets can be formed directly from collapsing fragments of vast spiral arms6–11 induced by gravitati...
Astrophysical disksExoplanets
10.1038/S41586-024-07877-0
ISSN:0028-0836

A binary system in the S cluster close to the supermassive black hole Sagittarius A*

Florian PeißkerMichal ZajačekLucas LabadieEmma BordierAndreas Eckart7
Nature Communications
2024
2024/12/17
Vol.15 No.1 p.1-11
High-velocity stars and peculiar G objects orbit the central supermassive black hole (SMBH) Sagittarius A* (Sgr A*). Together, the G objects and high-velocity stars constitute the S cluster. In contrast with theoretical predictions, no binary system near Sgr A* has been identified. Here, we report t...
Stellar evolutionTransient astrophysical phenomena
10.1038/S41467-024-54748-3
ISSN:2041-1723

Magnetic field strengths of hot giant exoplanets consistent with Solar System values

Julia V. SeidelVivien ParmentierBibiana PrinothThea HoodNishil Mehta32
Nature Astronomy
2026
2026/6/2
00 p.1-12
Magnetic fields are a key factor in the evolution of planets and their atmospheres, but they are still poorly constrained for exoplanets owing to limited direct observations. Ultra-hot Jupiters provide a new avenue to probe magnetic effects, as the circulation of their highly ionized atmospheres cou...
Atmospheric dynamicsExoplanets
10.1038/S41550-026-02870-1
ISSN:2397-3366