| Issue |
A&A
Volume 569, September 2014
|
|
|---|---|---|
| Article Number | A125 | |
| Number of page(s) | 21 | |
| Section | Galactic structure, stellar clusters and populations | |
| DOI | https://doi.org/10.1051/0004-6361/201424039 | |
| Published online | 03 October 2014 | |
Online material
Appendix A: Tracer data for spiral structure
The related parameters of HII regions, GMCs, and 6.7 GHz methanol masers have been collected and calculated based on the data in literature, as listed in Tables A.1– A.3, respectively.
HII regions as tracers of spiral arms.
GMCs as tracers of spiral arms.
6.7 GHz methanol masers as tracers of spiral arms.
© ESO, 2014
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