Space Telescope Imaging Spectrograph Parallel Observations of the Planetary Nebula M94‐20 | Zendy

Philip Plait | Zendy; T. R. Gull | Zendy

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Space Telescope Imaging Spectrograph Parallel Observations of the Planetary Nebula M94‐20

Author(s) -

Philip Plait,

T. R. Gull

Publication year - 1999

Publication title -

publications of the astronomical society of the pacific

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.294

H-Index - 172

eISSN - 1538-3873

pISSN - 0004-6280

DOI - 10.1086/316377

Subject(s) - physics , planetary nebula , nebula , space telescope imaging spectrograph , spectrograph , astronomy , astrophysics , hubble deep field south , spitzer space telescope , protoplanetary nebula , hubble space telescope , emission nebula , telescope , reflection nebula , large magellanic cloud , hubble deep field , stars , spectral line

The planetary nebula M94--20 in the Large Magellanic Cloud wasserendipitously observed with the Space Telescope Imaging Spectrograph on boardthe Hubble Space Telescope as part of the Hubble Space Telescope Archival PureParallel Program. We present spatially resolved imaging and spectral data ofthe nebula and compare them with ground based data, including detection ofseveral emission lines from the nebula and the detection of the central star.We find the total H alpha + [NII] flux = 7.3e-15 erg s^-1 cm^-2 and we estimatethe magnitude of the central star to be m_V = 26.0 +/- 0.2. Many other H alphasources have been found in M31, M33 and NGC 205 as well. We discuss the use ofthe parallel observations as a versatile tool for planetary nebula surveys andfor other fields of astronomical research.Comment: Latex, 14 pages, 2 JPEG figures, 2 tables. PASP Research Note, June 1999, in pres

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