Database Access

If you wish to use the data obtained at CASLEO you can refer to our observational database. Bear in mind that the observations obtained at CASLEO become public 18 months after they were acquired.

The Sun in submillimeter waves:

To view SST observations in real time or to view data from previous days, click here.

Nuevo Observatorio Virtual Argentino:
NOVA

CASLEO

The "El Leoncito" Astronomical Complex (Complejo Astronómico El Leoncito, CASLEO, in Spanish) was formally created in May 1983 as a National Service Center for the Astronomical Community by an agreement between the National Scientific and Technical Research Council (CONICET in Spanish) and the National Universities of La Plata, Córdoba and San Juan. Its goals and functions include the maintenance, operation and management of the facilities run by the Complex, while providing astronomical observation services to investigators licensed to operate in the field, and performing other technical and scientific activities which might contribute to the development of the astronomical sciences.

The opening ceremony of CASLEO's facilities was on September 12th, 1986, so in 2011 we reached 25 years of uninterrupted work. In this link you can download a copy of the local newspaper of that date.

 Li

News

  • RECEPTION OF PROPOSALS FOR SEMESTER 2013B IS OPEN:

    Reception of proposals for observing time allocation is open for the semester August 1, 2013 to January 31, 2014. All the proposals must be submitted by means of the electronic forms available on this page (CLOSED).

  • CLOUD COVER STUDY OVER CASLEO:

    Using the all-sky imaging system installed in CASLEO a study of cloud cover over the Observatory was done by researchers from Boston University, ITeDA, CEILAP and UTN Regional Mendoza. A copy of the paper could be found here.

  • OBSERVING TIME ASSIGNED FOR SEMESTER 2013A:

    The observing time for the next semester were assigned. Here you can find the list.

  • FINAL TESTING PERIOD FOR CASPOL:

    The new polarimetry unit CASPOL has successfully passed all the checks in and out of the telescope, and begin its final testing period before entering service on the semester 2013A. In this page you have more information, a reduction tutorial and you can download the IRAF package CASLEO.

  • RECEPTION OF PROPOSALS FOR SEMESTER 2013A IS OPEN:

    Reception of proposals for observing time allocation is open for the semester February 1 to July 31, 2013. All the proposals must be submitted by means of the electronic forms available on this page (CLOSED).

  • CASPOL, A NEW POLARIMETER:

    From the semester 2013A on, the observers can use the new polarimetry unit CASPOL which is offered in testing mode. In this page you have more information about this new equipment.

  • OBSERVING TIME ASSIGNED FOR SEMESTER 2012B:

    The observing time for the next semester were assigned. Here you can find the list.

  • RECEPTION OF PROPOSALS FOR SEMESTER 2012B IS OPEN:

    Reception of proposals for observing time allocation is open for the semester August 1, 2012 to January 31, 2013. All the proposals must be submitted by means of the electronic forms available on this page (CLOSED).

  • THE CASLEO OBSERVATIONAL DATABASE WAS UPDATED:

    The CASLEO observational database was updated up to 2010. Bear in mind that the observations obtained at CASLEO become public 18 months after they were acquired.

  • OBSERVING TIME ASSIGNED FOR SEMESTER 2012A:

    The Scientific Committee assigned the observing time for the next semester. Here you can find the list.

  • RECEPTION OF PROPOSALS FOR SEMESTER 2012A IS OPEN:

    Reception of proposals for observing time allocation is open for the semester February 1, 2011 to July 31, 2012. All the proposals must be submitted by means of the electronic forms available on this page (CLOSED).

  • NEW MEAN EXTINCTION COEFFICIENTS FOR CASLEO:

    In this page you can find new mean extinction coefficients for El Leoncito obtained by our technical staff.

  • VISIT OF DR. LI JINZENG TO CASLEO:

    Dr. Li Jinzeng visited CASLEO's facilities between August 10 and 12, 2011. Dr. Li is Principal Investigator at Chinese National Astronomical Observatory and he is visiting San Juan to coordinate the installation of radioastronomical instruments.

    		Li
  • VISIT OF MEMBERS OF THE POLISH ACADEMY OF SCIENCES TO CASLEO:

    A group of researchers from the Nicolaus Copernicus Astronomical Centre of the Polish Academy of Sciences visited CASLEO's facilities between March 21 and 24, 2011. They main objective of the visit is to choose the spot to install a 0.50 m. robotic telescope of the "Solaris" project of a net of robotic telescopes to search for exoplanets around eclipsing binaries from the southern hemisphere. The head of the visitors group was Dr. Maciej Konacki, who is the PI of Solaris Project.

  • RECEPTION OF PROPOSALS FOR SEMESTER 2011B IS OPEN:

    Reception of proposals for observing time allocation is open for the semester August 1, 2011 to January 31, 2012. All the proposals must be submitted by means of the electronic forms available on this page (CLOSED).

  • FIRST SOLAR FLARE OBSERVED FROM CASLEO:

    A solar flare was detected for the first time on October 25 using the new equipment for H-alpha solar observation from the heliophysical laboratory of the SST. Click here to get more information and to view an image of the event.

  • FIRST H-ALPHA SOLAR OBSERVATION FROM CASLEO:

    A group of researchers from the Mackenzie Radio-Astronomy and Astrophysics Center from San Pablo, Brazil, visited the observatory facilities last October. This group is participating in the Solar Submillimeter Telescope (SST) project. During the visit, a 40 mm Coronado solar filter was installed with the assistance of our technical service staff, to be used together with the celostate from the SST heliophysical laboratory. This instrument allowed capturing the first H-alpha solar image from El Leoncito on October 20.

    		H-alfa
  • VISIT OF DR. TAYLOR AND DR. KRUGLY TO CASLEO:

    Dr. Michael Taylor and Dr. Yurij Krugly visited our observatory facilities between October 10 and 12, 2010. Dr. Taylor is a professor at the Utah State University in U.S.A. and is working on Earth Sciences. Dr. Krugly is an astronomer at Karkiv University, Ucrania, and is searching for sites for the installation of instruments in South America.

    		taylor krugly
  • WORK PERFORMED AT CASLEO APPEARS ON THE COVER OF ASTRONOMY & ASTROPHYSICS:

    The work performed by Spanish and Argentinian astronomers on light echoes around young stars by means of the Astrograph for the Southern Hemisphere (ASH), operating at CASLEO as a result of an agreement made with the Astrophysics Institute of Andalucía, appeared on the cover of the September 2010 issue of Astronomy & Astrophysics.

    		Ecos-aa