Study of the planetary nebula NGC 2438. I. Spectroscopy of the nebula and of some cluster stars

Details Study of the planetary nebula NGC 2438. I. Spectroscopy of the nebula and of some cluster stars Study of the planetary nebula NGC 2438. I. Spectroscopy of the nebula and of some cluster stars

Oct 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996an....317..413p&link_type=abstract

Astronomische Nachrichten, vol. 317, no. 6, p. 413.

Astronomy and Astrophysics

Astronomy

6

Scientific paper

We found 36 emission lines in the spectrum of the planetary nebula NGC 2438, and we determined its exc. class to be about 6-7. The nebular RV_hel = 60.3+/- 3.6 km/s (5 spectra) is in agreement with RV_hel = 60.8 +/- 4.0 km/s of 4 cluster stars (10 spectra). We conclude that contrary to earlier statements the nebula is probably associated with the cluster.

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