Zobrazeno 1 - 7
of 7
pro vyhledávání: '"P R, Sandford"'
Autor:
Sal Wanying Fu, Daniel R. Weisz, Else Starkenburg, Nicolas Martin, Michelle L. M. Collins, Alessandro Savino, Michael Boylan-Kolchin, Patrick Côté, Andrew E. Dolphin, Nicolas Longeard, Mario L. Mateo, Francisco J. Mercado, Nathan R. Sandford, Evan D. Skillman
Publikováno v:
The Astrophysical Journal, Vol 975, Iss 1, p 2 (2024)
We present ∼300 stellar metallicity measurements in two faint M31 dwarf galaxies, Andromeda XVI ( M _V = −7.5) and Andromeda XXVIII ( M _V = –8.8), derived using metallicity-sensitive calcium H and K narrowband Hubble Space Telescope imaging. T
Externí odkaz:
https://doaj.org/article/f94c675453d84e2e8dacaf2092a9e26d
Autor:
Sal Wanying Fu, Daniel R. Weisz, Else Starkenburg, Nicolas Martin, Francisco J. Mercado, Alessandro Savino, Michael Boylan-Kolchin, Patrick Côté, Andrew E. Dolphin, Nicolas Longeard, Mario L. Mateo, Jenna Samuel, Nathan R. Sandford
Publikováno v:
The Astrophysical Journal, Vol 965, Iss 1, p 36 (2024)
We measure the metallicities of 374 red giant branch (RGB) stars in the isolated, quenched dwarf galaxy Tucana using Hubble Space Telescope narrowband (F395N) calcium H and K imaging. Our sample is a factor of ∼7 larger than what is available from
Externí odkaz:
https://doaj.org/article/63df93428e0a441985a4eee144307732
Autor:
W. V. Jacobson-Galán, L. Dessart, R. Margutti, R. Chornock, R. J. Foley, C. D. Kilpatrick, D. O. Jones, K. Taggart, C. R. Angus, S. Bhattacharjee, L. A. Braff, D. Brethauer, A. J. Burgasser, F. Cao, C. M. Carlile, K. C. Chambers, D. A. Coulter, E. Dominguez-Ruiz, C. B. Dickinson, T. de Boer, A. Gagliano, C. Gall, H. Gao, E. L. Gates, S. Gomez, M. Guolo, M. R. J. Halford, J. Hjorth, M. E. Huber, M. N. Johnson, P. R. Karpoor, T. Laskar, N LeBaron, Z. Li, Y. Lin, S. D. Loch, P. D. Lynam, E. A. Magnier, P. Maloney, D. J. Matthews, M. McDonald, H.-Y. Miao, D. Milisavljevic, Y.-C. Pan, S. Pradyumna, C. L. Ransome, J. M. Rees, A. Rest, C. Rojas-Bravo, N. R. Sandford, L. Sandoval Ascencio, S. Sanjaripour, A. Savino, H. Sears, N. Sharei, S. J. Smartt, E. R. Softich, C. A. Theissen, S. Tinyanont, H. Tohfa, V. A. Villar, Q. Wang, R. J. Wainscoat, A. L. Westerling, E. Wiston, M. A. Wozniak, S. K. Yadavalli, Y. Zenati
Publikováno v:
The Astrophysical Journal Letters, Vol 954, Iss 2, p L42 (2023)
We present UV and/or optical observations and models of SN 2023ixf, a type II supernova (SN) located in Messier 101 at 6.9 Mpc. Early time ( flash ) spectroscopy of SN 2023ixf, obtained primarily at Lick Observatory, reveals emission lines of H i , H
Externí odkaz:
https://doaj.org/article/4ff43153604a43dca8633eb8456e0f8e
Autor:
Sal Wanying Fu, Daniel R. Weisz, Else Starkenburg, Nicolas Martin, Alessandro Savino, Michael Boylan-Kolchin, Patrick Côté, Andrew E. Dolphin, Alexander P. Ji, Nicolas Longeard, Mario L. Mateo, Ekta Patel, Nathan R. Sandford
Publikováno v:
The Astrophysical Journal, Vol 958, Iss 2, p 167 (2023)
We present uniformly measured stellar metallicities of 463 stars in 13 Milky Way (MW) ultra-faint dwarf galaxies (UFDs; M _V = −7.1 to −0.8) using narrowband CaHK (F395N) imaging taken with the Hubble Space Telescope. This represents the largest
Externí odkaz:
https://doaj.org/article/f9b56c7f0f864cd88b4367c9f29f0267
Publikováno v:
The Astrophysical Journal Supplement Series, Vol 267, Iss 1, p 18 (2023)
Large-scale surveys will provide spectroscopy for ∼50 million resolved stars in the Milky Way and Local Group. However, these data will have a high degree of heterogeneity and most will be low-resolution ( R < 10,000), posing challenges to measurin
Externí odkaz:
https://doaj.org/article/dbc3ad52959a433e8b721714e930fde5
Autor:
Aliza G. Beverage, Mariska Kriek, Charlie Conroy, Nathan R. Sandford, Rachel Bezanson, Marijn Franx, Arjen van der Wel, Daniel R. Weisz
Publikováno v:
The Astrophysical Journal, Vol 948, Iss 2, p 140 (2023)
We present elemental abundance patterns (C, N, Mg, Si, Ca, Ti, V, Cr, Fe, Co, and Ni) for a population of 135 massive quiescent galaxies at z ∼ 0.7 with ultra-deep rest-frame optical spectroscopy drawn from the LEGA-C survey. We derive average ages
Externí odkaz:
https://doaj.org/article/d76e52355dac4205bbc6e42ef5945c83
Publikováno v:
Archives of physical medicine and rehabilitation. 73(3)
Dysesthetic pain after spinal cord injury is a common problem. The pathophysiology of this disorder is unclear and treatment modalities have been of inconsistent effectiveness. Various pharmacologic approaches have been advocated for treatment of chr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::911e272ceaf495cf32781f645a806f3b
https://pubmed.ncbi.nlm.nih.gov/1543437
https://pubmed.ncbi.nlm.nih.gov/1543437