activity
20002025
most citedEvolution of the Solar Activity over Time and Effects on Planetary Atmospheres: I. High-energy Irradiances (1-1700 A)

860 citations · 7.2k across the 126 of their papers we have counts for

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Showing 2009 · astro-ph.SRShow all

6 papers · 2 filters

astro-ph.SR2009★ 39 cited

A multi-wavelength study of the young star V1118 Orionis in outburst

M. Audard, G. S. Stringfellow, M. Güdel +6

Abriged version for astroph: The young late-type star V1118 Orionis was in outburst from 2005 to 2006. We followed the outburst with optical and near-infrared photometry; the X-ray…

astro-ph.SR2009★ 293 cited

The Taurus Spitzer Survey: New Candidate Taurus Members Selected Using Sensitive Mid-Infrared Photometry

L. M. Rebull, D. L. Padgett, C. -E. McCabe +31

We report on the properties of pre-main-sequence objects in the Taurus molecular clouds as observed in 7 mid- and far-infrared bands with the Spitzer Space Telescope. There are 215…

astro-ph.SR2009★ 28 cited

Dust amorphization in protoplanetary disks

Adrian M. Glauser, Manuel Guedel, Dan M. Watson +5

High-energy irradiation of the circumstellar material might impact the structure and the composition of a protoplanetary disk and hence the process of planet formation. In this pap…

astro-ph.SR2009★ 23 cited

Chandra and Spitzer Imaging of the Infrared Cluster in NGC 2071

S. L. Skinner, K. R. Sokal, S. T. Megeath +5

We present results of a sensitive Chandra X-ray observation and Spitzer mid-IR observations of the infrared cluster lying north of the NGC 2071 reflection nebula in the Orion B mol…

astro-ph.SR2009★ 45 cited

Far-infrared Observations of the Very Low-Luminosity Embedded Source L1521F-IRS in the Taurus Star-Forming Region

Susan Terebey, Michel Fich, Alberto Noriega-Crespo +14

We investigate the environment of the very low-luminosity object L1521F IRS using data from the Taurus Spitzer Legacy Survey. The MIPS 160 micron image shows both extended emission…

astro-ph.SR2009★ 7 cited

HDE 245059: A Weak-Lined T Tauri Binary Revealed by Chandra and Keck

C. Baldovin Saavedra, M. Audard, G. Duchêne +5

We present the Chandra High Energy Transmission Grating Spectrometer (HETGS) and Keck observations of HDE 245059, a young weak-lined T Tauri star (WTTS), member of the pre-main seq…