Question

4. ac= 211u/T explain the tearms​

Answer 1

Answer:

SAO/NASA Astrophysics Data System (ADS)

Title: The 17.1-h optical and X-ray orbital period of AC 211/X 2127 + 119 in M15

Authors: Ilovaisky, S. A., Auriere, M., Koch-Miramond, L., Chevalier, C., Cordoni, J.-P., &

Crowe, R. A., ,

Journal: Astronomy and Astrophysics (ISSN 0004-6361), vol. 270, no. 1-2, p. 139-150.

Bibliographic Code: 1993A&A...270..139I

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