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13 papers · 1 filter
The Lyman alpha Reference Sample VI: Lyman alpha escape from the edge-on disk galaxy Mrk1486
Florent Duval, Göran Östlin, Matthew Hayes +16
While numerical simulations suggest that the strength of the Lyman alpha (Lya) line of star-forming disk galaxies strongly depends on the inclination at which they are observed (i.…
Leo P: How Many Metals can a Very Low-Mass, Isolated Galaxy Retain?
Kristen B. W. McQuinn, Evan D. Skillman, Andrew Dolphin +7
Leo P is a gas-rich dwarf galaxy with an extremely low gas-phase oxygen abundance (3% solar). The isolated nature of Leo P enables a quantitative measurement of metals lost solely…
CARMA CO Observations of Three Extremely Metal-Poor, Star-Forming Galaxies
Steven R. Warren, Edward Molter, John M. Cannon +11
We present sensitive CO (J = 1 - 0) emission line observations of three metal-poor dwarf irregular galaxies Leo P (Z ~ 3% Z_Solar), Sextans A (Z ~ 7.5% Z_Solar), and Sextans B (Z ~…
Searching for Optical Counterparts to Ultra-compact High Velocity Clouds: Possible Detection of a Counterpart to AGC 198606
William Janesh, Katherine L. Rhode, John J. Salzer +6
We report on initial results from a campaign to obtain optical imaging of a sample of Ultra Compact High Velocity Clouds (UCHVCs) discovered by the ALFALFA neutral hydrogen (HI) su…
Line-of-Sight Pursuit in Monotone and Scallop Polygons
Lindsay Berry, Andrew Beveridge, Jane Butterfield +4
We study a turn-based game in a simply connected polygonal environment between a pursuer and an adversarial evader . Both players can move in a straight line to any poin…
AGC 226067: A possible interacting low-mass system
E. A. K. Adams, J. M. Cannon, K. L. Rhode +8
We present Arecibo, GBT, VLA and WIYN/pODI observations of the ALFALFA source AGC 226067. Originally identified as an ultra-compact high velocity cloud and candidate Local Group ga…