3 papers
astro-ph.IM2026
The SPHEREx Instrument: Calibration, testing and performance measurements of the NIR spectroscopic surveyor from the laboratory to in-orbit commissioning
Phil M. Korngut, James J. Bock, Samuel Condon +90
The SPHEREx near-infrared space telescope is an all-sky spectroscopic survey mission launched on March 12th, 2025 UTC. In addition to providing the community with a spectral databa…
astro-ph.CO2025
Reporting a Deficit of Intrinsic NV Absorbers in Core-dominated, Radio-loud Quasars
Chris Culliton, Amber Roberts, Bryan DeMarcy +5
We searched the Hubble Space Telescope Cosmic Origins Spectrograph archive for ultraviolet spectra of 428 AGN to identify intrinsic NV absorption systems. We filtered out Type 2 AG…
astro-ph.GA2017
COS-Weak: Probing the CGM using analogs of weak Mg II absorbers at z < 0.3
Sowgat Muzahid, Gloria Fonseca, Amber Roberts +5
We present a sample of 34 weak metal line absorbers at complied via the simultaneous detections () of the SiII and CII absorption lines, with…