SIMBAD references

1999ApJ...518L.111B - Astrophys. J., 518, L111-L114 (1999/June-3)

The first resolved and detected classical nova shell in x-rays: the shell of nova Persei 1901.


Abstract (from CDS):

We present the ROSAT High-Resolution Imager data of the first resolved and detected classical nova shell in the X-ray wavelengths: the shell of Nova Persei 1901. We find that the X-ray nebula is composed of knots/clumps and has an elliptical shape with a total count rate of about 0.01±0.001 counts.s–1. We estimate that the spectrum is of thermal origin with a luminosity of ∼8.0x1031 ergs.s–1 and an X-ray temperature of ∼2.0x106 K in the 0.1-2.4 keV energy range. The knots/clumps are a result of fragmentation and condensation in the postshock region. The estimated electron density in the knots/clumps is about 10.0 cm–3≤ne≤70.0 cm–3. We suggest that the detected X-ray nebula could also be the reverse shock zone. This detection sheds light into one of the most poorly understood stages of the classical nova evolution.

Abstract Copyright:

Journal keyword(s): Stars: Binaries: Close - Stars: Novae, Cataclysmic Variables - Radiation Mechanisms: Thermal - Stars: Individual: Constellation Name: GK Persei - X-Rays: Stars

Simbad objects: 6

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