Digging Deeper in the Coronal Graveyard: Postscript
نویسندگان
چکیده
منابع مشابه
Buried Alive in the Coronal Graveyard
We have used the High Resolution Camera (HRC-I) of the Chandra X-Ray Observatory to search for coronal (T 106 K) emission from the archetype ‘‘ noncoronal ’’ red giants Arcturus ( Bootis=HD 124897, K1 III) and Aldebaran ( Tauri=HD 29139, K5 III). Our program follows up previous detections of ultraviolet coronal proxies such as C iv 1548 (T 1 105 K) and O vi 1031 (T 3 105 K). The deep ( 19 ks) H...
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ژورنال
عنوان ژورنال: The Astrophysical Journal
سال: 1999
ISSN: 0004-637X,1538-4357
DOI: 10.1086/307948