38 citations · 201 across the 12 of their papers we have counts for
3 papers · 1 filter
Internal Proper-Motions in the Eskimo Nebula
Ma. T. García-Díaz, L. Gutiérrez, W. Steffen +2
We present measurements of internal proper motions at more than five hundred positions of NGC 2392, the Eskimo Nebula, based on images acquired with WFPC2 on board the Hubble Space…
A spectroscopic and photometric study of the planetary nebulae Kn 61 and Pa 5
Ma. T. García-Díaz, D. González-Buitrago, J. A. López +4
We present the first morpho-kinematical analysis of the planetary nebulae Kn 61 and Pa 5 and explore the nature of their central stars. Our analysis is based on high resolution and…
On the SW Sex-Type Eclipsing Cataclysmic Variable SDSS0756+0858
Gagik Tovmassian, Mercedes Stephania Hernandez, Diego Gonzalez-Buitrago +2
We conducted a spectroscopic and photometric study of SDSS J075653.11+085831. X-ray observations were also attempted. We determined the orbital period of this binary system to be 3…