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Accurate Pre-Eruption and Post-Eruption Orbital Periods for the Dwarf/Classical Nova V1017 Sgr
Irene V. Salazar, Amy LeBleu, Bradley E. Schaefer +2
V1017 Sgr is a classical nova (in 1919) that displayed an earlier dwarf nova eruption (in 1901), and two more dwarf nova events (in 1973 and 1991). Previous work on this bright sys…
The 2010 Eruption of the Recurrent Nova U Scorpii: The Multi-Wavelength Light Curve
Ashley Pagnotta, Bradley E. Schaefer, James L. Clem +8
The recurrent nova U Scorpii most recently erupted in 2010. Our collaboration observed the eruption in bands ranging from the Swift XRT and UVOT w2 (193 nm) to K-band (2200 nm), wi…
Followup Observations of SDSS and CRTS Candidate Cataclysmic Variables
Paula Szkody, Mark E. Everett, Steve B. Howell +4
We present photometry of 11 and spectroscopy of 35 potential cataclysmic variables from the Sloan Digital Sky Survey, the Catalina Real-Time Transient Survey and vsnet-alerts. The…
The 2011 Eruption of the Recurrent Nova T Pyxidis; the Discovery, the Pre-eruption Rise, the Pre-eruption Orbital Period, and the Reason for the Long Delay
Bradley E. Schaefer, Arlo U. Landolt, Michael Linnolt +10
We report the discovery by M. Linnolt on JD 2455665.7931 (UT 2011 April 14.29) of the sixth eruption of the recurrent nova T Pyxidis. This discovery was made just as the initial fa…
Deep, Wide-field CCD Photometry for the Open Cluster NGC3532
James L. Clem, Arlo U. Landolt, D. W. Hoard +1
We present the results of a deep, wide-field CCD survey for the open cluster NGC~3532. Our new photometry effectively covers a one square degree area and reaches an un…
UBVRI Photometric Standard Stars Around the Celestial Equator: Updates and Additions
Arlo U. Landolt
New broadband UBVRI photoelectric observations on the Johnson-Kron-Cousins photometric system have been made of 202 stars around the sky, and centered at the celestial equator. The…