The Solar Tower Atmospheric Cherenkov Effect Experiment (STACEE), is a
gamma ray
A gamma ray, also known as gamma radiation (symbol γ or \gamma), is a penetrating form of electromagnetic radiation arising from the radioactive decay of atomic nuclei. It consists of the shortest wavelength electromagnetic waves, typically ...
detector located near
Albuquerque
Albuquerque ( ; ), ; kee, Arawageeki; tow, Vakêêke; zun, Alo:ke:k'ya; apj, Gołgéeki'yé. abbreviated ABQ, is the most populous city in the U.S. state of New Mexico. Its nicknames, The Duke City and Burque, both reference its founding in ...
,
New Mexico
)
, population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano)
, seat = Santa Fe
, LargestCity = Albuquerque
, LargestMetro = Tiguex
, OfficialLang = None
, Languages = English, Spanish ( New Mexican), Navajo, Ke ...
. Observations with STACEE began in and concluded in . Gamma rays were observed from objects such as the
Crab Nebula, a
supernova remnant
A supernova remnant (SNR) is the structure resulting from the explosion of a star in a supernova. The supernova remnant is bounded by an expanding shock wave, and consists of ejected material expanding from the explosion, and the interstellar mat ...
, and
Markarian 421, a
blazar
A blazar is an active galactic nucleus (AGN) with a relativistic jet (a jet composed of ionized matter traveling at nearly the speed of light) directed very nearly towards an observer. Relativistic beaming of electromagnetic radiation from the ...
. STACEE uses the
heliostats and space on the
receiver tower of the
National Solar Thermal Test Facility (NSTTF) operated by the
Sandia National Laboratories
Sandia National Laboratories (SNL), also known as Sandia, is one of three research and development laboratories of the United States Department of Energy's National Nuclear Security Administration (NNSA). Headquartered in Kirtland Air Force Bas ...
on the grounds of the
Kirtland Air Force Base. In the daytime, the facility is used for
solar energy research. During the night STACEE uses the heliostats to reflect the brief flashes of
Čerenkov radiation caused by gamma rays hitting the
upper atmosphere Upper atmosphere is a collective term that refers to various layers of the atmosphere of the Earth above the troposphere and corresponding regions of the atmospheres of other planets, and includes:
* The mesosphere, which on Earth lies between th ...
to photodetectors mounted in the tower. STACEE is a
nonimaging telescope, meaning that it detects the light from a portion of the sky, but does not resolve the light into an image.
The detector is operated in consortium with several universities, including
McGill University
McGill University (french: link=no, Université McGill) is an English-language public research university located in Montreal, Quebec
Montreal ( ; officially Montréal, ) is the second-most populous city in Canada and most populous ...
,
Case Western Reserve University, the
University of California, Los Angeles
The University of California, Los Angeles (UCLA) is a public land-grant research university in Los Angeles, California. UCLA's academic roots were established in 1881 as a teachers college then known as the southern branch of the California S ...
(UCLA), the
University of California, Santa Cruz
The University of California, Santa Cruz (UC Santa Cruz or UCSC) is a public land-grant research university in Santa Cruz, California. It is one of the ten campuses in the University of California system. Located on Monterey Bay, on the edge of ...
,
Columbia University
Columbia University (also known as Columbia, and officially as Columbia University in the City of New York) is a private research university in New York City. Established in 1754 as King's College on the grounds of Trinity Church in Manhatt ...
, and the
University of Alberta
The University of Alberta, also known as U of A or UAlberta, is a Public university, public research university located in Edmonton, Alberta, Canada. It was founded in 1908 by Alexander Cameron Rutherford,"A Gentleman of Strathcona – Alexande ...
.
External links
* STACEE is located at {{coord, 34.9623, -106.5097, type:landmark_region:US, name=STACEE, display=inline,title
UCLA STACEE Page Gamma-ray telescopes