Astronomy and Astrophysics – Astronomy
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...200.7407s&link_type=abstract
American Astronomical Society, 200th AAS Meeting, #74.07; Bulletin of the American Astronomical Society, Vol. 34, p.770
Astronomy and Astrophysics
Astronomy
1
Scientific paper
We report upper limits to the 1-2 micron flux densities from the debris disk around Vega. The circumstellar region including the location of the peak emission in sub-millimeter images (Holland et al. 1998, Nature, 392, 788) was observed with NICMOS as part of the NICMOS IDT GTO/7233 program (P.I. Smith, B.A.). We searched for circumstellar sources in the near infrared images at the locations indicated by recent detections from millimeter interferometry (Koerner, D.W. et al. 2001, ApJL, 560, 181 and Wilner, D.J. et al., 2002, ApJL, in press). No unresolved or extended sources were detected in either direct or coronagraphic imaging modes. This work is based on observations with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc. under NASA contract NAS5-26555 and supported by NASA grants NAG5-10843 and NAG5-3042 to the NICMOS IDT.
Schneider Gerardo
Silverstone Murray Daniel
Smith Benjamin A.
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