THE ROTATING INTERSTELLAR DISK IN G35.2-0.74

被引：36

作者：

LITTLE, LT ^{[1
]}

DENT, WRF ^{[1
]}

HEATON, B ^{[1
]}

DAVIES, SR ^{[1
]}

WHITE, GJ ^{[1
]}

机构：

[1] UNIV LONDON QUEEN MARY COLL,LONDON E1 4NS,ENGLAND

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1985年 / 217卷 / 01期

关键词：

D O I：

10.1093/mnras/217.2.227

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Maps of NH3 (1,1) and (2,2) inversion line emission from the molecular cloud G35.2N have been made at 40-arcsec resolution with the 100-m Effelsberg telescope and at 7-arcsec resolution with the VLA.* The source is revealed as a large rotating disc, viewed edge-on, of diameter 1.8 pc. Near the centre of this outer structure is a more dense coaxial rotating inner disc (diameter ~0.4 pc, thickness ≤0.08 pc) of mass ~150 M. A comparison of the (1,1) and (2,2) emission from the inner disc shows that its average density decreases towards the centre, while its temperature rises from ~25 to >100K. It appears that the inner disc is capable of channelling the bipolar outflow from the central source observed in CO. © Royal Astronomical Society.

引用

页码：227 / 238

页数：12

共 19 条

[1] THE HIGH-VELOCITY MOLECULAR FLOWS NEAR YOUNG STELLAR OBJECTS [J].