Zobrazeno 1 - 10
of 673
pro vyhledávání: '"George, Koshy"'
Autor:
George, Koshy, Poggianti, B. M., Omizzolo, A., Vulcani, B., Côté, P., Postma, J., Smith, R., Jaffe, Y. L., Gullieuszik, M., Moretti, A., Subramaniam, A., Sreekumar, P., Ghosh, S. K., Tandon, S. N., Hutchings, J. B.
The assembly of galaxy clusters is understood to be a hierarchical process with a continuous accretion of galaxies over time, which increases the cluster size and mass. Late-type galaxies that fall into clusters can undergo ram-pressure stripping, fo
Externí odkaz:
http://arxiv.org/abs/2409.10586
Autor:
Tomicic, Neven, Werle, Ariel, Vulcani, Benedetta, Ignesti, Alessandro, Moretti, Alessia, Wolter, Anna, George, Koshy, Poggianti, Bianca Maria, Gullieuszik, Marco
Star-formation rates (SFR) in galaxies offer a view of various physical processes across them and are measured using various tracers, such as H$\alpha$ and UV. Different physical mechanisms can affect H$\alpha$ and UV emission, resulting in a discrep
Externí odkaz:
http://arxiv.org/abs/2409.01351
Autor:
Robin, Thomas, Kartha, Sreeja S, Krishnan, Ujjwal, Saha, Kanak, Parekh, Viral, George, Koshy, Mathew, Blesson
Publikováno v:
A&A 681, A7 (2024)
Environmental and secular processes play a pivotal role in the evolution of galaxies. These can be due to external processes such as interactions or internal processes due to the action of bar, bulge and spiral structures. Ongoing star formation in s
Externí odkaz:
http://arxiv.org/abs/2308.15537
Autor:
George, Koshy
Publikováno v:
A&A 678, A10 (2023)
Blue early-type galaxies with galaxy-scale ongoing star formation are interesting targets in order to understand the stellar mass buildup in elliptical and S0 galaxies in the local Universe. We study the star-forming population of blue early-type gal
Externí odkaz:
http://arxiv.org/abs/2308.12153
Autor:
R, Rakhi, Santhosh, Geethika, Joseph, Prajwel, George, Koshy, Subramanian, Smitha, Kavila, Indulekha, Postma, J., Duc, Pierre-Alain, Côté, Patrick, Cortese, Luca, Ghosh, S. K., Subramaniam, Annapurni, Tandon, Shyam, Hutchings, John, Wesley, P Samuel, Bharadwaj, Aditya, Niroula, Neeran
NGC 5291, an early-type galaxy surrounded by a giant HI ring, is believed to be formed from collision with another galaxy. Several star forming complexes and tidal dwarf galaxies are distributed along the collisional ring which are sites of star form
Externí odkaz:
http://arxiv.org/abs/2304.07244
Autor:
Peter Calvert, Yang Chen, Ying Gue, Dhiraj Gupta, Jinbert Lordson Azariah, A. George Koshy, Geevar Zachariah, Gregory Y. H. Lip, Bahuleyan Charantharayil Gopalan, the Kerala AF Registry Investigators
Publikováno v:
Journal of Arrhythmia, Vol 40, Iss 4, Pp 822-829 (2024)
Abstract Background There is ongoing debate around rate versus rhythm control strategies for managing atrial fibrillation (AF), however, much of the data comes from Western cohorts. Kerala‐AF represents the largest prospective AF cohort study from
Externí odkaz:
https://doaj.org/article/86d1cf330423486cbad27e955bf0f2ff
Autor:
George, Koshy
Publikováno v:
A&A 671, A166 (2023)
Elliptical galaxies with blue optical colours and significant star formation are hypothesised to be major merger remnants of gas-rich spiral galaxies or normal elliptical galaxies with a sudden burst of star formation. We present here a scenario in w
Externí odkaz:
http://arxiv.org/abs/2302.03369
Autor:
Sanchez-Garcia, Osbaldo, Sodi, Bernardo Cervantes, Fritz, Jacopo, Moretti, Alessia, Poggianti, Bianca M., George, Koshy, Gullieuszik, Marco, Vulcani, Benedetta, Fasano, Giovanni, Tawfeek, Amira A.
Stellar bars have been found to substantially influence the stellar populations properties in galaxies, affecting their ability of forming stars. While this can be easily seen when studying galaxies in relatively isolated environments, such kind of a
Externí odkaz:
http://arxiv.org/abs/2301.06612
Autor:
George, Koshy, Poggianti, B. M., Tomičić, Neven, Postma, J., Côté, P., Fritz, J., Ghosh, S. K., Gullieuszik, M., Hutchings, J. B., Moretti, A., Omizzolo, A., Radovich, M., Sreekumar, P., Subramaniam, A., Tandon, S. N., Vulcani, B.
Spiral galaxies undergo strong ram-pressure effects when they fall into the galaxy cluster potential. As a consequence, their gas is stripped to form extended tails within which star formation can happen, giving them the typical jellyfish appearance.
Externí odkaz:
http://arxiv.org/abs/2212.02423
Autor:
Mahajan, Smriti, Singh, Kulinder Pal, Postma, Joseph E., Pradeep, Kala G., George, Koshy, Côté, Patrick
We present analysis of the far ultraviolet (FUV) emission of sources in the central region of the Coma cluster (z=0.023) using the data taken by the UVIT aboard the multi-wavelength satellite mission AstroSat. We find a good correlation between the U
Externí odkaz:
http://arxiv.org/abs/2209.05886