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Arsen Hajian
Arsen Hajian

Arsen Hajian

Arsen R. Hajian is an astronomer at the U.S. Naval Observatory in Washington, DC. He joined the scientific staff at the USNO Department of Astrometry in 1995, after completing his doctorate at Cornell University under the direction of Yervant Terzian.

In addition to his research in planetary nebulae and the physics of the interstellar medium, Arsen's areas of active astrophysical research include spatial optical interferometry, and precise interferometric spectroscopy. He can sometimes be found at Anderson Mesa, outside Flagstaff, Arizona, working with the Navy Prototype Optical Interferometry project, which is measuring stellar positions and diameters and splitting double stars with unprecedented accuracy. Arsen is also completing the construction of a Fourier Transform Spectrometer with which he hopes to detect planets as small as the Earth in orbit about other stars.

Arsen and his wife, Jenepher, celebrated the birth of their son Krikor in January 2000.