Results 301 to 310 of about 199,190 (345)

Discovery of a high-velocity cloud of the Milky Way as a potential dark galaxy. [PDF]

open access: yesSci Adv
Liu XL   +8 more
europepmc   +1 more source

Strong long-term variability in active galactic nuclei affects virial black hole mass measurements. [PDF]

open access: yesNat Commun
Amrutha N   +7 more
europepmc   +1 more source

V3101 Cyg: A Cataclysmic Variable Born with a Brown Dwarf Donor

open access: yes
Ramirez S   +7 more
europepmc   +1 more source

Visualizing Nanoscale Charge Flows in Multi-Dimensional WSe2/GaAs Vertical Diodes

open access: yes
Piazza V   +6 more
europepmc   +1 more source

Observations of Emission-Line Stars [PDF]

open access: bronzePublications of the Astronomical Society of the Pacific, 1965
P. W. Bidelman
openaire   +2 more sources

Emission-line Central Stars of Planetary Nebulae

AIP Conference Proceedings, 2005
The temperatures of central stars of planetary nebulae (PNe) are compared with evolutionary tracks. © 2005 American Institute of Physics.
Gesicki, K., Zijlstra, A. A., Acker, A.
openaire   +2 more sources

Early-type Emission-line Stars

2007
Wolf-Rayet (WR) stars owe its name to the discoverers, C. Wolf and G. Rayet. They are one of the most conspicuous stellar objects in spectral features, activities, and in the processes of stellar evolution. They are spectroscopically characterized by the following features.
Tomokazu Kogure, Kam-Ching Leung
openaire   +1 more source

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