Understanding the nature of protostellar jets through near-infrared spectroscopy: The key role of the J band proved on HH 43

被引：23

作者：

Giannini, T ^{[1
]}

Nisini, B ^{[1
]}

Garatti, ACOCO ^{[1
]}

Lorenzetti, D ^{[1
]}

机构：

[1] Osserv Astron Roma, I-00040 Rome, Italy

来源：

ASTROPHYSICAL JOURNAL | 2002年 / 570卷 / 01期

关键词：

ISM : individual (HH 43); ISM : jets and outflows; ISM : lines and bands; stars : formation; stars : mass loss;

D O I：

10.1086/340883

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Spectroscopy in the J band (even at low resolutions of R less than or similar to 10(3)) is a mode commonly available in most near-IR spectrographs but is rarely exploited in star formation studies. We show how it is a crucial tool to tracing the physics (temperature, density, excitation mechanisms) of protostellar jets and Herbig-Haro (HH) objects. In this framework the spectrum of HH 43 is revisited as both a clear demonstration of our statement and a case of slow J-type shock excitation.

引用

页码：L33 / L36

页数：4

共 8 条

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