English
Related papers

Related papers: Detection of a 50 degree-long Trailing Tidal Tail …

200 papers

We present the results of a detailed search for members of the Pal 5 tidal tail system in Gaia Data Release 2 (DR2). Tidal tails provide a sensitive method for measuring the current and past gravitational potential of their host galaxy as…

Astrophysics of Galaxies · Physics 2020-03-04 Nathaniel Starkman , Jo Bovy , Jeremy Webb

We detect a tidal stream generated by the globular cluster NGC 3201 extending over ~140 degrees on the sky, using the Gaia DR2 data, with the maximum likelihood method we presented previously to study the M68 tidal stream. Most of the…

Astrophysics of Galaxies · Physics 2021-05-13 C. G. Palau , J. Miralda-Escudé

Using Data Release 4 of the Sloan Digital Sky Survey, we have applied an optimal contrast, matched filter technique to trace the trailing tidal tail of the globular cluster Palomar 5 to a distance of 18.5 degrees from the center of the…

Astrophysics · Physics 2009-11-11 C. J. Grillmair , O. Dionatos

Using photometry and proper motions from Gaia Early Data Release 3, we detect a 45 degree-long trailing stellar debris stream associated with the old, metal-poor globular cluster NGC 7089. With a width on the order of 100 pc, the extended…

Astrophysics of Galaxies · Physics 2022-04-27 Carl J. Grillmair

We provide a detailed analysis on tidal tails of the globular cluster M3 (NGC 5272). We first discover clear extra-tidal structures with slight S-shape near the cluster. This inspires us to examine the existence of its long tidal tails. We…

Astrophysics of Galaxies · Physics 2023-08-14 Yong Yang , Jing-Kun Zhao , Xin-Zhe Tang , Xian-Hao Ye , Gang Zhao

I analyse the projected density distribution of member stars over a wide area surrounding 18 Galactic globular clusters using the photometric and astrometric information provided by the second data release of the Gaia mission. A 5D mixture…

Astrophysics of Galaxies · Physics 2020-05-27 A. Sollima

We report on the detection in Sloan Digital Sky Survey data of a 63 degree-long tidal stream of stars, extending from Ursa Major to Cancer. The stream has no obvious association with the orbit of any known cluster or galaxy. The contrast of…

Astrophysics · Physics 2009-11-11 Carl J. Grillmair , Odysseas Dionatos

A method to search for tidal streams and to fit their orbits based on maximum likelihood is presented and applied to the Gaia data. Tests of the method are performed showing how a simulated stream produced by tidal stripping of a star…

Astrophysics of Galaxies · Physics 2020-10-28 C. G. Palau , J. Miralda-Escudé

We present results on the extra-tidal features of the Milky Way globular cluster NGC 7099, using deep gr photometry obtained with the Dark Energy Camera (DECam). We reached nearly 6 mag below the cluster Main Sequence (MS) turnoff, so that…

Astrophysics of Galaxies · Physics 2020-10-28 A. E. Piatti , J. A. Carballo-Bello , M. D. Mora , C. Cenzano , C. Navarrete , M. Catelan

We report on the detection in Sloan Digital Sky Survey data of a 45 degree tidal stream of stars, extending from Bootes to Ursa Major, which we associate with the halo globular cluster NGC 5466. Using an optimal contrast, matched filter…

Astrophysics · Physics 2010-11-11 C. J. Grillmair , R. Johnson

We report the discovery of two well-defined tidal tails emerging from the sparse remote globular cluster Palomar 5. These tails stretch out symmetrically to both sides of the cluster in the direction of constant Galactic latitude and…

Using photometry and proper motions from Pan-STARRS, DECaLS, and Gaia DR3, we detect a ~35 to 70 degree-long trailing stellar debris stream associated with the globular cluster NGC 288. The trajectory of the trailing tail is not well…

Astrophysics of Galaxies · Physics 2024-12-31 Carl J. Grillmair

We detected extended, curved stellar tidal tails emanating from the sparse, disrupting halo globular cluster Pal 5, which cover 10 degrees on the sky. These streams allow us to infer the orbit of Pal 5 and to ultimately constrain the…

Pal 5 is a low mass, low velocity dispersion, globular cluster with spectacular tidal tails. We use the SDSS DR8 data to extend the density measurements of the trailing star stream to 23 degrees distance from the cluster, at which point the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 R. G. Carlberg , C. J. Grillmair , Nathan Hetherington

Stars that escape globular clusters form tidal tails that are predominantly shaped by the global distribution of mass in the Galaxy, but also preserve a historical record of small-scale perturbations. Using deep $grz$ photometry from…

Using wide-field photometric data from the Sloan Digital Sky Survey (SDSS) we recently showed that the Galactic globular cluster Palomar 5 is in the process of being tidally disrupted. Its tidal tails were initially detected in a 2.5 degree…

This research presents unsupervised machine learning and statistical techniques to detect and analyze tidal tails in five open clusters, BH 164, Alessi 2, NGC 2281, NGC 2354, and M67, with ages ranging from 60 Myr to 4 Gyr, using Gaia DR3…

Astrophysics of Galaxies · Physics 2025-09-12 Ira Sharma , Vikrant V. Jadhav , Annapurni Subramaniam

Context: Tidal tails of open clusters are the result of stellar evaporation from the cluster through the Galactic potential and internal dynamics. With the recent availability of high-precision data, tidal tails are being detected for most…

Astrophysics of Galaxies · Physics 2025-01-30 Dhanraj Risbud , Vikrant V. Jadhav , Pavel Kroupa

We use Sloan Digital Sky Survey Data Release 5 photometry and spectroscopy to study a tidal stream that extends over 50 degrees in the North Galactic Cap. From the analysis of the path of the stream and the colors and magnitudes of its…

Large-field multi-color images of 20 galactic globular clusters are used to investigate the presence of tidal tails around these stellar systems. Field and cluster stars are sorted with the help of color-magnitude diagrams, and star-count…

Astrophysics · Physics 2007-05-23 S. Leon , G. Meylan , F. Combes
‹ Prev 1 2 3 10 Next ›