Mid-Infrared Observations of the ``Quintuplet'' and ``Pistol'' Near the Galactic Center

Details Mid-Infrared Observations of the ``Quintuplet'' and ``Pistol'' Near the Galactic Center Mid-Infrared Observations of the ``Quintuplet'' and ``Pistol'' Near the Galactic Center

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...18311011s&link_type=abstract

American Astronomical Society, 183rd AAS Meeting, #110.11; Bulletin of the American Astronomical Society, Vol. 25, p.1455

Astronomy and Astrophysics

Astronomy

Scientific paper

We present images and spectroscopy of the unusual star cluster known as the ``Quintuplet'' and of the associated thermal radio source known as the ``Pistol.''. These data were obtained in 1993 using SpectroCam-10 at the 5-m telescope at Palomar and using the Kuiper Echelle Grating Spectrometer (KEGS) from the Kuiper Airborne Observatory. Low-resolution 8-13microns spectra confirm that the Quintuplet stars have nearly identical, featureless spectra and are most likely dust-enshrouded young stars. In addition, we have imaged the diffuse emission from the nearby pistol at 11.7microns with 0.5" resolution and have found that this warm dust emission corresponds well with the thermal radio morphology. Weak continuum emission from the Pistol area was also imaged at 38microns from airborne observations. We also detected the [SIII] line at 33.5microns as well as the [NeII] 12.81microns line in the Pistol, both characteristic lines of HII regions. We explore the possi! bility that the Quintuplet and Pi
Okuda et al, 1990 ApJ 351, 89
Yusef-Zadeh and Morris, 1987 AJ 94(5), 1178

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