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IUE observations of new A star candidate proto-planetary systemsAs a result of the detection of accreting gas in the A5e PMS Herbig Ae star, HR 5999, most of the observations for this IUE program were devoted to Herbig Ae stars rather than to main sequence A stars. Mid-UV emission at optical minimum light was detected for UX Ori (A1e), BF Ori (A5e), and CQ Tau (F2e). The presence of accreting gas in HD 45677 and HD 50138 prompted reclassification of these stars as Herbig Be stars rather than as protoplanetary nebulae. Detailed results are discussed.
Document ID
19940029761
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Grady, Carol A. (Applied Research Corp. Landover, MD, United States)
Date Acquired
September 6, 2013
Publication Date
June 2, 1994
Subject Category
Astronomy
Report/Patent Number
R94-219
NAS 1.26:189355
NASA-CR-189355
Report Number: R94-219
Report Number: NAS 1.26:189355
Report Number: NASA-CR-189355
Accession Number
94N34267
Funding Number(s)
CONTRACT_GRANT: NASA ORDER S-14605-F
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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