164 citations · 578 across the 19 of their papers we have counts for
19 papers
Long-period variables in NGC147 and NGC185
D. Lorenz, T. Lebzelter, W. Nowotny +4
Previous studies on the stellar content of the two nearby dwarf galaxies NGC147 and NGC185 reveal a rich population of late-type giants in both systems, including a large number of…
3-D Photoionization Structure and Distances of Planetary Nebulae IV. NGC 40
Hektor Monteiro, Diego Falceta-Gonçalves
Continuing our series of papers on the 3-D structure and accurate distances of Planetary Nebulae (PNe), we present here the results obtained for the planetary nebula NGC\,40. Using…
Optical Sky Brightness at Cerro Tololo Inter-American Observatory from 1992 to 2006
Kevin Krisciunas, Dylan R. Semler, Joseph Richards +4
We present optical UBVRI sky brightness measures from 1992 through 2006. The data are based on CCD imagery obtained with the CTIO 0.9-m, 1.3-m, and 1.5-m telescopes. The B- and V-b…
Orientation effects in Bipolar nebulae
Hugo E. Schwarz, Hektor Monteiro, Ryan Peterson
We show that the inclination to the line of sight of bipolar nebulae strongly affects some of their observed properties. We model these objects as having a spherically symmetric Pl…
3-D Photoionization Structure and Distances of Planetary Nebulae III. NGC 6781
Hugo E. Schwarz, Hektor Monteiro
Continuing our series of papers on the three-dimensional (3-D) structures of and accurate distances to Planetary Nebulae (PNe), we present our study of the planetary nebula NGC6781…
Supernova 2006aj and the associated X-Ray Flash 060218
J. Sollerman, A. O. Jaunsen, J. P. U. Fynbo +23
We have studied the afterglow of the gamma-ray burst (GRB) of February 18, 2006. This is a nearby long GRB, with a very low peak energy, and is therefore classified as an X-ray Fla…