Zobrazeno 1 - 10
of 38 615
pro vyhledávání: '"H-alpha"'
The observed prevalence of galaxies exhibiting bursty star formation histories (SFHs) at $z\gtrsim6$ has created new challenges and opportunities for understanding their formation pathways. The degenerate effects of the efficiency and burstiness of s
Externí odkaz:
http://arxiv.org/abs/2410.21409
Autor:
Alsulami, R., Einecke, S., Rowell, G. P., McGee, P. K., Filipović, M. D., Seitenzahl, I. R., Stupar, M., Collins, T., Fukui, Y., Sano, H.
We investigate the unusual H$\alpha$ features found towards the Scutum Supershell via recent arc-minute and arc-second resolution imaging. These multi-degree features resemble a long central spine ending in a bow-shock morphology. We performed a mult
Externí odkaz:
http://arxiv.org/abs/2410.15712
Autor:
Pirie, C. A., Best, P. N., Duncan, K. J., McLeod, D. J., Cochrane, R. K., Clausen, M., Dunlop, J. S., Flury, S. R., Geach, J. E., Hale, C. L., Ibar, E., Kondapally, R., Li, Zefeng, Matthee, J., McLure, R. J., Ossa-Fuentes, L., Patrick, A. L., Smail, Ian, Sobral, D., Stephenson, H. M. O., Stott, J. P., Swinbank, A. M.
We present the first results of the JWST Emission Line Survey (JELS). Utilising the first NIRCam narrow-band imaging at 4.7$\mu$m, over 63 arcmin$^{2}$ in the PRIMER/COSMOS field, we identified 609 emission line galaxy candidates. From these, we robu
Externí odkaz:
http://arxiv.org/abs/2410.11808
Autor:
Couperus, Andrew A., Henry, Todd J., Osten, Rachel A., Jao, Wei-Chun, Vrijmoet, Eliot Halley, Kar, Aman, Horch, Elliott
We present an investigation into the rotation and stellar activity of four fully convective M dwarf `twin' wide binaries. Components in each pair have (1) astrometry confirming they are common-proper-motion binaries, (2) Gaia $BP$, $RP$, and 2MASS $J
Externí odkaz:
http://arxiv.org/abs/2410.04726
Autor:
Mintz, Abby, Greene, Jenny E., Kado-Fong, Erin, Danieli, Shany, Li, Jiaxuan, Luo, Yifei, Leauthaud, Alexie, Baldassare, Vivienne, Huang, Song, Peter, Annika H. G., Bhattacharyya, Joy, Li, Mingyu, Pan, Yue
Using medium-band imaging from the newly released Merian Survey, we conduct a nonparametric morphological analysis of H$\alpha$ emission maps and stellar continua for a sample of galaxies with $8\lesssim\log (M_\star/M_\odot) < 10.3$ at $0.064
Externí odkaz:
http://arxiv.org/abs/2410.01886
Autor:
Guo, Jingsong, Onoue, Masafusa, Inayoshi, Kohei, Kocevski, Dale D., Finkelstein, Steven L., Bagley, Micaela B., McGrath, Elizabeth J.
The James Webb Space Telescope (JWST) has enabled us to uncover faint galaxies and active galactic nuclei (AGNs) in the early universe. Taking advantage of the unique filter combination used in the Cosmic Evolution Early Release Science Survey (CEERS
Externí odkaz:
http://arxiv.org/abs/2409.19205
Autor:
Covelo-Paz, Alba, Giovinazzo, Emma, Oesch, Pascal A., Meyer, Romain A., Weibel, Andrea, Brammer, Gabriel, Fudamoto, Yoshinobu, Kerutt, Josephine, Lin, Jamie, Matharu, Jasleen, Naidu, Rohan P., Velichko, Anna, Bollo, Victoria, Bouwens, Rychard, Chisholm, John, Illingworth, Garth D., Kramarenko, Ivan, Magee, Daniel, Maseda, Michael, Matthee, Jorryt, Nelson, Erica, Reddy, Naveen, Schaerer, Daniel, Stefanon, Mauro, Xiao, Mengyuan
The H{\alpha} nebular emission line is an optimal tracer for recent star formation in galaxies. With the advent of JWST, this line has recently become observable at z>3 for the first time. We present a catalog of 1013 H{\alpha} emitters at 3.7
Externí odkaz:
http://arxiv.org/abs/2409.17241
Autor:
Aftab, Noor, Xunhe, Zhang, Mittelman, David R., di Cicco, Dennis, Walker, Sean, Sliski, David H., Homa, Julia, Holm-Hansen, Colin, Putman, Mary, Schiminovich, David, Henden, Arne, Walker, Gary
The Mittelman-di Cicco-Walker (MDW) H$\alpha$ Sky Survey is an autonomously-operated and ongoing all-sky imaging survey in the narrowband H$\alpha$ wavelength. The survey was founded by amateur astronomers, and is presented here in its first stage of
Externí odkaz:
http://arxiv.org/abs/2409.11481
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
We present a rest-frame optical, spatially resolved analysis of more than 100 $\mathrm{H\alpha}$ emitters (HAEs) at $z\sim2.2$ in the ZFOURGE-CDFS field using NIRCam imaging from the JWST Advanced Deep Extragalactic Survey (JADES). The ultra-deep, hi
Externí odkaz:
http://arxiv.org/abs/2410.08520