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7 papers · 1 filter
Counting Eta-Quotients of Prime Level
Allison Arnold-Roksandich, Kevin James, Rodney Keaton
It is known that all modular forms on SL_2(Z) can be expressed as a rational function in eta(z), eta(2z) and eta(4z). By utilizing known theorems, and calculating the order of vani…
The Remote Observatories of the Southeastern Association for Research in Astronomy (SARA)
William C. Keel, Terry Oswalt, Peter Mack +11
We describe the remote facilities operated by the Southeastern Association for Research in Astronomy (SARA), a consortium of colleges and universities in the US partnered with Lowe…
Searching for a magnetic field in Wolf-Rayet stars using FORS2 spectropolarimetry
S. Hubrig, K. Scholz, W. -R. Hamann +5
To investigate if magnetic fields are present in Wolf-Rayet stars, we selected a few stars in the Galaxy and one in the Large Magellanic Cloud (LMC). We acquired low-resolution spe…
X-ray Observations of Bow Shocks around Runaway O Stars. The case of Oph and BD+433654
J. A. Toalá, L. M. Oskinova, A. González-Galán +3
Non-thermal radiation has been predicted within bow shocks around runaway stars by recent theoretical works. We present X-ray observations towards the runaway stars Oph (Chandr…
A Comparative Study of Knots of Star Formation in Interacting vs. Spiral Galaxies
Beverly J. Smith, Javier Zaragoza-Cardiel, Curtis Struck +2
Interacting galaxies are known to have higher global rates of star formation on average than normal galaxies, relative to their stellar masses. Using UV and IR photometry combined…
Long-Wavelength, Free-Free Spectral Energy Distributions from Porous Stellar Winds
Richard Ignace
The influence of macroclumps for free-free spectral energy distributions (SEDs) of ionized winds is considered. The goal is to emphasize distinctions between microclumping and macr…