Astronomy Picture of the Day · March 4, 2001

TT Cygni: Carbon Star

The Astronomy Picture of the Day for March 4, 2001 is “TT Cygni: Carbon Star,” an image. It is credited to Credit: H. Olofsson ( Stockholm Observatory ) et al.. The original explanation runs about 156 words.

From the explanation

“TT Cygni is a cool red giant star with a wind. This false-color picture of TT Cyg was made using a coordinated array of millimeter wavelength radio telescopes and shows radio emission from carbon monoxide (CO) molecules in the surrounding gas.”

— APOD editors, March 4, 2001

Read the full explanation on science.nasa.gov

At a glance

Date: March 4, 2001
Type: Image
Credit: Credit: H. Olofsson ( Stockholm Observatory ) et al.
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 156 words

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Source

Astronomy Picture of the Day, March 4, 2001 — science.nasa.gov/image-article/apod-2001-march-4-tt-cygni-carbon-star

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.