SIMBAD references

2007ApJ...663L..29E - Astrophys. J., 663, L29-L32 (2007/July-1)

Spitzer and ground-based infrared observations of the 2006 eruption of RS Ophiuchi.

EVANS A., WOODWARD C.E., HELTON L.A., GEHRZ R.D., LYNCH D.K., RUDY R.J., RUSSELL R.W., KERR T., BODE M.F., DARNLEY M.J., EYRES S.P.S., GEBALLE T.R., O'BRIEN T.J., DAVIS R.J., STARRFIELD S., NESS J.-U., DRAKE J., OSBORNE J.P., PAGE K.L., SCHWARZ G. and KRAUTTER J.

Abstract (from CDS):

We present Spitzer Space Telescope and complementary ground-based infrared observations of the recurrent nova RS Ophiuchi, obtained over the period 64-111 days after the 2006 eruption. The Spitzer IRS data show a rich emission-line spectrum superimposed on a free-free continuum. The presence of fine-structure and coronal infrared lines lead us to deduce that there are at least two temperatures (1.5x105 and 9x105 K) in the ejecta/wind environment and that the electron density in the ``cooler'' region is 2.2x105/cm3. The determination of elemental abundances is not straightforward, but on the assumption that the Ne and O fine-structure lines arise in the same volume of the ejecta, the O/Ne ratio is ≳0.6 by number.

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Journal keyword(s): Stars: Binaries: Close - Stars: Binaries: Symbiotic - Infrared: Stars - Stars: Novae, Cataclysmic Variables - Stars: Individual: Constellation Name: RS Ophiuchi

Simbad objects: 3

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