Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Cashman, P. H."'
Autor:
Mishra, Sapna, Fox, Andrew J., Krishnarao, Dhanesh, Lucchini, Scott, D'Onghia, Elena, Cashman, Frances H., Barger, Kathleen A., Lehner, Nicolas, Tumlinson, Jason
The Large Magellanic Cloud (LMC) is the nearest massive galaxy to the Milky Way. Its circumgalactic medium is complex and multi-phase, containing both stripped HI structures like the Magellanic Stream and Bridge, and a diffuse warm corona seen in hig
Externí odkaz:
http://arxiv.org/abs/2410.11960
Uranium-lead (U-Pb) geochronology and Hafnium (Hf) isotope geochemistry of detrital zircons of the Harmony Formation of north central Nevada provide new insights into the tectonic evolution of the Late Paleozoic western Laurentian margin. Using laser
Externí odkaz:
http://hdl.handle.net/10150/626478
http://arizona.openrepository.com/arizona/handle/10150/626478
http://arizona.openrepository.com/arizona/handle/10150/626478
Autor:
Fox, Andrew J., Cashman, Frances H., Kriss, Gerard A., de Rosa, Gisella, Plesha, Rachel, Homayouni, Yasaman, Richter, Philipp
Publikováno v:
ApJL, 946, L48 (2023)
We present the detection of dust depletion in Complex C, a massive, infalling, low-metallicity high-velocity cloud in the northern Galactic hemisphere that traces the ongoing accretion of gas onto the Milky Way. We analyze a very high signal-to-noise
Externí odkaz:
http://arxiv.org/abs/2303.12577
Autor:
Cashman, Frances H., Fox, Andrew J., Wakker, Bart P., Ashley, Trisha, Massa, Derck, Jenkins, Edward B., Krishnarao, Dhanesh, Lockman, Felix J., Benjamin, Robert A., Bordoloi, Rongmon, Kim, Tae-Sun
We characterize the chemical and physical conditions in an outflowing high-velocity cloud in the inner Galaxy. We report a super-solar metallicity of [O/H] = $+0.36\pm0.12$ for the high-velocity cloud at $v_\mathrm{LSR}$ = 125.6 km s$^{-1}$ toward th
Externí odkaz:
http://arxiv.org/abs/2210.11583
Autor:
Krishnarao, Dhanesh, Fox, Andrew J., D'Onghia, Elena, Wakker, Bart P., Cashman, Frances H., Howk, J. Christopher, Lucchini, Scott, French, David M., Lehner, Nicolas
Publikováno v:
Nature 609, pages 915-918 (2022)
The Large and Small Magellanic Clouds (LMC/SMC) are the closest major satellite galaxies of the Milky Way. They are likely on their first passage on an infalling orbit towards our Galaxy (Besla et al. 2007) and trace the ongoing dynamics of the Local
Externí odkaz:
http://arxiv.org/abs/2209.15017
Autor:
Ashley, Trisha, Fox, Andrew J., Cashman, Frances H., Lockman, Felix J., Bordoloi, Rongmon, Jenkins, Edward B., Wakker, Bart P., Karim, Tanveer
Publikováno v:
Nature Astronomy (2022)
The Galactic Center is surrounded by two giant plasma lobes known as the Fermi Bubbles, extending ~10 kpc both above and below the Galactic plane. Spectroscopic observations of Fermi Bubble directions at radio, ultraviolet, and optical wavelengths ha
Externí odkaz:
http://arxiv.org/abs/2207.08838
Autor:
Cashman, Frances H., Fox, Andrew J., Savage, Blair D., Wakker, Bart P., Krishnarao, Dhanesh, Benjamin, Robert A., Richter, Philipp, Ashley, Trisha, Jenkins, Edward B., Lockman, Felix J., Bordoloi, Rongmon, Kim, Tae-Sun
We report the first direct detection of molecular hydrogen associated with the Galactic nuclear wind. The Far-Ultraviolet Spectroscopic Explorer spectrum of LS 4825, a B1 Ib-II star at $l,b$ = 1.67$^{\circ}$,$-$6.63$^{\circ}$ lying $d$ = 9.9$^{+1.4}_
Externí odkaz:
http://arxiv.org/abs/2112.03335
Publikováno v:
AJ 161 90 (2021)
We report a large difference in neutral hydrogen (H I) and metal column densities between the two sight lines probing opposite sides of the lensing galaxy at $z_\mathrm{lens}$ = 0.83 toward the doubly lensed quasar SBS 0909+532. Using archival HST-ST
Externí odkaz:
http://arxiv.org/abs/2102.13523
Akademický článek
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Autor:
Kulkarni, Varsha P., Cashman, Frances H., Lopez, Sebastian, Ellison, Sara L., Som, Debopam, Maureira, Maria José
Absorption spectroscopy of gravitationally lensed quasars (GLQs) enables study of spatial variations in the interstellar and/or circumgalactic medium of foreground galaxies. We report observations of 4 GLQs, each with two images separated by 0.8-3.0"
Externí odkaz:
http://arxiv.org/abs/1910.10759