Atacama Pathfinder Experiment

#119 among destinations in Chile

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Photo details 1. Wikipedia / CC BY 4.0 / ESO/Sascha Krause / URL • 2. Wikimedia Commons / CC BY 4.0 / ESO/B. Tafreshi/TWAN (twanight.org) / URL • 3. Wikimedia Commons / CC BY 3.0 / ESO, APEX (MPIfR/ESO/OSO), A. Weiss et al., NASA Spitzer Science Center / URL • 4. Wikimedia Commons / CC BY 3.0 / ESO/B. Tafreshi (twanight.org) / URL • 5. Wikimedia Commons / CC BY 3.0 / ESO / URL • 6. Wikimedia Commons / CC BY 4.0 / ESO / URL

Facts and practical information

The Atacama Pathfinder Experiment is a radio telescope 5,064 meters above sea level, at the Llano de Chajnantor Observatory in the Atacama desert in northern Chile, 50 km east of San Pedro de Atacama built and operated by 3 European research institutes. The main dish has a diameter of 12 m and consists of 264 aluminium panels with an average surface accuracy of 17 micrometres. The telescope was officially inaugurated on September 25, 2005. ()

Alternative names: Elevation: 16421 ft a.s.l.Coordinates: 23°0'54"S, 67°44'44"W

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Day trips

Atacama Pathfinder Experiment – popular in the area (distance from the attraction)

Nearby attractions include: Purico complex, Atacama Cosmology Telescope, Llano de Chajnantor Observatory, University of Tokyo Atacama Observatory.

4.5 miN
Nature, Natural attraction, Volcano
Purico complex
115 min walk • The Purico complex is a Pleistocene volcanic complex in Chile close to Bolivia, formed by an ignimbrite, several lava domes and stratovolcanoes and one maar.
4.7 miNW
Observatories and planetariums
Atacama Cosmology Telescope
121 min walk • The Atacama Cosmology Telescope is a six-meter diameter telescope located on Cerro Toco in the Atacama Desert in the north of Chile, near the Llano de Chajnantor Observatory.
0.8 miSW
Observatories and planetariums
Llano de Chajnantor Observatory
21 min walk • Llano de Chajnantor Observatory is the name for a group of astronomical observatories located at an altitude of over 4,800 m in the Atacama Desert of northern Chile.
2 miN
Observatories and planetariums
University of Tokyo Atacama Observatory
51 min walk • The University of Tokyo Atacama Observatory is an astronomical observatory located on the summit of Cerro Chajnantor, at an altitude of 5,640 m within a lava dome in the Atacama Desert of northern Chile.
4.1 miNE
Observatories and planetariums
Atacama Submillimeter Telescope Experiment
104 min walk • The Atacama Submillimeter Telescope Experiment is a 10-meter-diameter antenna built by Mitsubishi Electric as a preprototype for ALMA. The ASTE was deployed to its site on Pampa La Bola, near Cerro Chajnantor and the Llano de Chajnantor Observatory in northern Chile.
5.6 miNW
Nature, Natural attraction, Volcano
Cerro Toco
144 min walk • Cerro Toco is a stratovolcano located in the eastern part of the Atacama desert in Chile's II Region, approximately 6 km south of the border between Bolivia and Chile and 12 km SE of the Juriques and Licancabur volcanoes.
4.7 miNW
Observatories and planetariums
Simons Observatory
121 min walk • The Simons Observatory is located in the high Atacama Desert in Northern Chile inside the Chajnator Science Preserve, at an altitude of 5,200 meters. The Atacama Cosmology Telescope and the Simons Array are located nearby and these experiments are currently making observations of the Cosmic Microwave Background.
4.2 miNE
Observatories and planetariums
NANTEN2 Observatory
107 min walk • The NANTEN2 Observatory is a southern sky observatory in the Atacama Desert of northern Chile. It is located at an altitude of 4,800 m on Pampa la Bola next to Cerro Chajnantor.
5.1 miN
Natural attraction, Mountain, Volcano
Cerro Toco
131 min walk • Cerro Toco is a stratovolcano located in the eastern part of the Atacama desert in Chile's II Region, approximately 6 km south of the border between Bolivia and Chile and 12 km SE of the Juriques and Licancabur volcanoes.

Atacama Pathfinder Experiment

Facts and practical information

Atacama Pathfinder Experiment plan & book

Atacama Pathfinder Experiment – popular in the area (distance from the attraction)