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13 papers · 1 filter
KK 242, a faint companion to the isolated Scd galaxy NGC 6503
Igor D. Karachentsev, John M. Cannon, Jackson Fuson +4
Using Hubble Space Telescope imaging of the resolved stellar population of KK~242 = NGC6503-d1 = PGC~4689184, we measure the distance to the galaxy to be Mpc and find…
Framework for Accessible and Inclusive Teaching Materials for Statistics and Data Science Courses
Mine Dogucu, Alicia A. Johnson, Miles Ott
Despite rapid growth in the data science workforce, people of color, women, those with disabilities, and others remain underrepresented in, underserved by, and sometimes excluded f…
The Lyman Alpha Reference Sample XII: Morphology of extended Lyman alpha emission in star-forming galaxies
Armin Rasekh, Jens Melinder, Göran Östlin +7
We use Hubble space telescope data of 45 nearby star-forming galaxies to investigate properties of Lyman-alpha (Ly) halos, Ly morphology, and the star-forming characteristics…
AGC 226178 and NGVS 3543: Two deceptive dwarfs towards Virgo
Michael G. Jones, David J. Sand, Michele Bellazzini +21
The two sources AGC 226178 and NGVS 3543, an extremely faint, clumpy, blue stellar system and a low surface brightness dwarf spheroidal, are adjacent systems in the direction of th…
The Impact of the Coronavirus Pandemic on New York City Real Estate: First Evidence
Jeffrey P. Cohen, Felix L. Friedt, Jackson P. Lautier
We investigate whether pandemic-induced contagion disamenities and income effects arising due to COVID-related unemployment adversely affected real estate prices of one- or two-fam…
The ALFALFA Almost-Dark Galaxy AGC~229101: A Two Billion Solar Mass HI Cloud with a Very Low Surface Brightness Optical Counterpart
Lukas Leisman, Katherine L. Rhode, Catherine Ball +11
We present results from deep HI and optical imaging of AGC 229101, an unusual HI source detected at v = 7116 km/s in the ALFALFA survey. Initially classified as a can…