Zobrazeno 1 - 10
of 24 406
pro vyhledávání: '"STAR-FORMATION HISTORY"'
NGC 6822 is an isolated dwarf irregular galaxy in the local group at a distance of 490 kpc. In this paper, we present the star formation history (SFH) within a field with a radius of 3 kpc, beyond the optical body of the galaxy (1.2 kpc). We utilized
Externí odkaz:
http://arxiv.org/abs/2412.05646
Autor:
Lehmer, Bret D., Monson, Erik B., Eufrasio, Rafael T., Amiri, Amirnezam, Doore, Keith, Basu-Zych, Antara, Garofali, Kristen, Oskinova, Lidia, Andrews, Jeff J., Antoniou, Vallia, Geda, Robel, Greene, Jenny E., Kovlakas, Konstantinos, Lazzarini, Margaret, Richardson, Chris T.
We present a new empirical framework modeling the metallicity and star-formation history (SFH) dependence of X-ray luminous ($L > 10^{36}$ ergs s$^{-1}$) point-source population luminosity functions (XLFs) in normal galaxies. We expect the X-ray poin
Externí odkaz:
http://arxiv.org/abs/2410.19901
Reproducing color-magnitude diagrams (CMDs) of star-resolved galaxies is one of the most precise methods for measuring the star formation history (SFH) of nearby galaxies back to the earliest time. The upcoming big data era poses challenges to the tr
Externí odkaz:
http://arxiv.org/abs/2410.12253
Autor:
Crociati, Chiara, Cignoni, Michele, Dalessandro, Emanuele, Pallanca, Cristina, Massari, Davide, Ferraro, Francesco R., Lanzoni, Barbara, Origlia, Livia, Valenti, Elena
Context. Terzan 5 and Liller 1 are the only bulge stellar clusters hosting multi-iron and multi-age stellar populations. They are therefore claimed to constitute a novel class of astrophysical objects: the fossils of massive star-forming clumps that
Externí odkaz:
http://arxiv.org/abs/2410.16971
Autor:
Cohen, Roger E., McQuinn, Kristen B. W., Murray, Claire E., Williams, Benjamin F., Choi, Yumi, Lindberg, Christina W., Burhenne, Clare, Gordon, Karl D., Merica-Jones, Petia Yanchulova, Gilbert, Karoline M., Boyer, Martha L., Goldman, Steven, Dolphin, Andrew E., Telford, O. Grace
The proximity of the Magellanic Clouds provides the opportunity to study interacting dwarf galaxies near a massive host, and spatial trends in their stellar population properties in particular, with a unique level of detail. The Scylla pure parallel
Externí odkaz:
http://arxiv.org/abs/2410.11696
Autor:
Gao, Zeyu, Peng, Yingjie, Wang, Kai, Ho, Luis C., Renzini, Alvio, Gallazzi, Anna R., Mannucci, Filippo, Mo, Houjun, Jing, Yipeng, Yang, Xiaohu, Wang, Enci, Zhao, Dingyi, Dou, Jing, Gu, Qiusheng, Lyu, Cheqiu, Maiolino, Roberto, Wang, Bitao, Wang, Yu-Chen, Xu, Bingxiao, Yuan, Feng, Zhu, Xingye
The spectral energy distribution (SED) of galaxies is essential for deriving fundamental properties like stellar mass and star formation history (SFH). However, conventional methods, including both parametric and non-parametric approaches, often fail
Externí odkaz:
http://arxiv.org/abs/2408.07749
Autor:
Sakowska, Joanna D., Noël, Noelia E. D., Ruiz-Lara, Tomás, Gallart, Carme, Massana, Pol, Nidever, David L., Cassisi, Santi, Correa-Amaro, Patricio, Choi, Yumi, Besla, Gurtina, Erkal, Denis, Martínez-Delgado, David, Monelli, Matteo, Olsen, Knut A. G., Stringfellow, Guy S.
We obtain a quantitative star formation history (SFH) of a shell-like structure ('shell') located in the northeastern part of the Small Magellanic Cloud (SMC). We use the Survey of the MAgellanic Stellar History (SMASH) to derive colour-magnitude dia
Externí odkaz:
http://arxiv.org/abs/2407.13876
Autor:
McQuinn, Kristen B. W., Newman, Max J. B., Skillman, Evan D., Telford, O. Grace, Brooks, Alyson, Adams, Elizabeth A. K., Berg, Danielle A., Boyer, Martha L., Cannon, John M., Dolphin, Andrew E., Pahl, Anthony, Rhode, Katherine L., Salzer, John J., Cohen, Roger E., Goldman, Steve R.
Isolated, low-mass galaxies provide the opportunity to assess the impact of reionization on their star formation histories (SFHs) without the ambiguity of environmental processes associated with massive host galaxies. There are very few isolated, low
Externí odkaz:
http://arxiv.org/abs/2409.19050
Publikováno v:
A&A 691, A333 (2024)
The Gaia-Sausage-Enceladus merger was a major event in the history of the Milky Way. Studies on Milky Way satellite dwarf galaxies show that key elemental abundance patterns, which probe different nucleosynthetic channels, reflect the host galaxy's s
Externí odkaz:
http://arxiv.org/abs/2405.13641
Autor:
Bortolini, Giacomo, Östlin, Göran, Habel, Nolan, Hirschauer, Alec S., Jones, Olivia C., Justtanont, Kay, Meixner, Margaret, Boyer, Martha L., Blommaert, Joris A. D. L., Crouzet, Nicolas, Lenkić, Nally, Conor, Sargent, Beth A., van der Werf, Paul, Güdel, Manuel, Henning, Thomas, Lagage, Pierre O.
The blue compact dwarf galaxy I Zw 18 is one of the most metal-poor ($Z \sim 3% Z_{\sun}$) star-forming galaxies in the local Universe. Its evolutionary status has sparked debate within the astronomical community. We aim to investigate the stellar po
Externí odkaz:
http://arxiv.org/abs/2406.17429