3 papers
astro-ph.SR2025
VLT VIMOS Integral Field Spectroscopy of the nova remnant FH Ser
M. A. Guerrero, E. Santamaria, L. Takeda +4
FH Ser experienced a slow classical nova outburst in February 1970 that was the first one observed at UV, optical, and IR wavelengths. Its nova remnant is elliptical in shape, with…
astro-ph.SR2024
Confirmation of the planetary nebula nature of HaTr 5. Not the remnant of Nova Sco 1437
M. A. Guerrero, E. Santamaria, G. Liberato +6
The identification of the nebula HaTr 5 with the shell remnant of the historic Nova Sco 1437 around the low-accretion rate cataclysmic variable 2MASS J17022815-4306123 has been use…
astro-ph.SR2024
The impact of periastron passage on the X-ray and optical properties of the Symbiotic System R Aquarii
D. A. Vásquez-Torres, J. A. Toalá, A. Sacchi +4
Multi-epoch Chandra and XMM-Newton observations of the symbiotic system R Aquarii (R Aqr) spanning 22 yr are analysed by means of a reflection model produced by an accretion disc.…