Circumgalactic Lyα Nebulae in Overdense Quasar Pair Regions Observed with the Palomar Cosmic Web Imager

Autor: Jessica S. Li, Carlos J. Vargas, Donal O’Sullivan, Erika Hamden, Zheng Cai, Mateusz Matuszewski, Christopher Martin, Miriam Keppler, Haeun Chung, Nicole Melso, Shiwu Zhang

Publikováno v: The Astrophysical Journal, Vol 952, Iss 2, p 137 (2023)

The recent discovery of enormous Ly α nebulae (ELANe), characterized by physical extents >200 kpc and Ly α luminosities >10 ^44 erg s ^−1 , provides a unique opportunity to study the intergalactic medium and circumgalactic medium in distant galax

Externí odkaz: https://doaj.org/article/505d10283f3b4bb4be7d25790d3b060a

The Circumgalactic Hα Spectrograph (CHαS). I. Design, Engineering, and Early Commissioning

Autor: Nicole Melso, David Schiminovich, Brian Smiley, Hwei Ru Ong, Bárbara Cruvinel Santiago, Meghna Sitaram, Ignacio Cevallos Aleman, Sarah Graber, Marisa Murillo, Marni Rosenthal, Ioana Stelea

Publikováno v: The Astrophysical Journal. 941:185

The Circumgalactic Hα Spectrograph (CHαS) is a ground-based optical integral field spectrograph designed to detect ultrafaint extended emission from diffuse ionized gas in the nearby universe. CHαS is particularly well suited for making direct det

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::891a8c57630da83096c962b709ebf9e7
https://doi.org/10.3847/1538-4357/ac9d9c

End-to-end ground calibration and in-flight performance of the FIREBall-2 instrument

Autor: Donal O'Sullivan, Shouleh Nikzad, D. Vibert, Robert Grange, Jean Evrard, Nicole Melso, Keri Hoadley, P. Blanchard, Philippe Balard, April D. Jewell, Samuel Quiret, David Schiminovich, Nicolas Bray, Vincent Picouet, Gillian Kyne, Frederi Mirc, Etienne Perot, Erika T. Hamden, Bruno Milliard, Christopher Martin, Johan Montel

Publikováno v: Journal of Astronomical Telescopes, Instruments, and Systems
Journal of Astronomical Telescopes, Instruments, and Systems, 2020, 6, ⟨10.1117/1.JATIS.6.4.044004⟩

The payload of the Faint Intergalactic Redshifted Emission Balloon (FIREBall-2), the second generation of the FIREBall instrument (PI: C. Martin, Caltech), has been calibrated and launched from the NASA Columbia Scientific Balloon Facility (CSBF) in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3945d8b269ed026fd4fc664153ede59
https://resolver.caltech.edu/CaltechAUTHORS:20201117-101716161

FIREBall-2: advancing TRL while doing proof-of-concept astrophysics on a suborbital platform

Autor: Keri Hoadley, Donal O'Sullivan, Shouleh Nikzad, Erika T. Hamden, D. Vibert, B. Smiley, Bruno Milliard, Hwei Ru Ong, Nicole Lingner, April D. Jewell, Michele Limon, Nicole Melso, Vincent Picouet, David Schiminovich, Robert Grange, Frederi Mirc, P. Balard, Johan Montel, D. Christopher Martin, Jose Zorrilla, Jean Evrard, Xavier Soors, Etienne Perot, Mateusz Matuszewski, Isabelle Zenone, Nicolas Bray, Muriel Saccoccio, Pierre Tapie, Albert Gomes, Marty Crabill, Sandrine Pascal, Gillian Kyne, Ramona Augustin, P. Blanchard, Julia Gross

Publikováno v: Micro- and Nanotechnology Sensors, Systems, and Applications XI.

Here we discuss advances in UV technology over the last decade, with an emphasis on photon counting, low noise, high efficiency detectors in sub-orbital programs. We focus on the use of innovative UV detectors in a NASA astrophysics balloon telescope

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4459b274a39a946f3a5fb8f259ab720
https://doi.org/10.1117/12.2518711