Journals Digest RSS

Pei Zuo et al 2018 ApJ 867 13

The discovery of a rare, isolated dark cloud currently undergoing H2 formation lets us examine the atomic-to-molecular transition and suggests that a classical star formation picture is favored over fast star formation models.

S. Mathur et al 2018 ApJ 866 123

The quasar Mrk 590 appears to again be changing its appearance, indicating that the change in AGN type is neither due to obscuration nor due to one-way evolution; it may instead be related to episodic accretion events.

Joseph L. Hora et al 2018 ApJS 238 22

Light curves, periods, and amplitudes are presented for a subset of 38 near-Earth objects observed at 4.5 μm with the IRAC camera on the the Spitzer Space Telescope.

1 195 196 197 198 199 328