An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
[NII] 122 µm map with contours of CH+ J=3-2 (black) and C18O J=8-7 (cyan, peak emission 5.6×10−6). Contours are with contour steps of 20 % of the peak emission in the Bar. The intensities are in units of erg s−1 cm−2 sr−1.