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Emission Lines in the Near Infrared Spectra of Faint Planetary Nebulae
Symposium - International astronomical union
We obtained spectra of twelve faint planetary nebulae at the Cassegrain focus of the 193 cm telescope at Haute Provence Observatory (dispersion: 230 Åmm−1 spectral range 8000–11000 Å, receiver: ITT image tube with SI photocathode).doi:10.1017/s0074180900142706 fatcat:7s4qv5vm5ngehev2ttxfsswsli