We present the results of a molecular survey comet 67P/Churyumov-Gerasimenko undertaken with Institut de RadioAstronomie Millimétrique (IRAM) 30-m radio telescope in November–December 2021, when it had its most favourable apparition decades. Observations at IRAM during 12–16 November period covered 8 GHz bandwidth 3 mm, 16 2 and 60 1 mm window domain. These were completed by snapshots on 12–13 ...

La cuenca del río Calera, ubicado al NE de la provincia Tucumán, Argentina, presenta una variedad rocas ígneas, metamórficas y sedimentarias con diferentes características propiedades. Se realizó caracterización petrográfica los agregados gruesos un área ubicada entre las coordenadas 26°40'38.40"S 65°4'5.71"O como límite norte 26°41'1.92"S 65°4'24.93"O sur para determinar si existen indicadores...

Hydrides represent the first steps of interstellar chemistry. Sulfanylium (SH(+)), in particular, is a key tracer of energetic processes. We used ALMA and the IRAM 30 m telescope to search for the lowest frequency rotational lines of SH(+) toward the Orion Bar, the prototypical photo-dissociation region illuminated by a strong UV radiation field. On the basis of previous Herschel/HIFI observati...

Context. The planets Uranus and Neptune with small apparent diameters are primary calibration standards. Aims. We investigate their variability at ∼ 90GHz using archived data taken at the IRAM 30m telescope during the 20 years period 1985 to 2005. Methods. We calibrate the planetary observations against non-variable secondary standards (NGC7027, NGC7538, W3OH, K3-50A) observed almost simultaneo...

We present millimeter interferometric observations of the young stellar object SVS13 in NCG1333 in the N2H + (1–0) line and at 1.4 and 3mm dust continuum, using the IRAM Plateau de Bure interferometer. The results are complemented by infrared data from the Spitzer Space Telescope. The millimeter dust continuum images resolve four sources (A, B, C, and VLA3) in SVS13. With the dust continuum ima...

The current generation of high-sensitivity (sub)mm-telescopes such as the IRAM-30m and NOEMA have allowed emission from molecular lines to become a major tool for studying physical, kinematic chemical properties extragalactic systems. However, we need develop detailed understanding in Milky Way clouds before can exploit line data its full potential. With this mind, large project “Line Emission ...

Aiming to perform a study of the warm dust and gas in the luminous blue variable star G79.29+0.46 and its associated nebula, we present infrared Spitzer imaging and spectroscopy, and new CO J =2→ 1 and 4→ 3 maps obtained with the IRAM 30m radio telescope and with the Submillimeter Telescope, respectively. We have analyzed the nebula detecting multiple shells of dust and gas connected to the sta...

An Intelligent RAM for Nearest Neighbor Database Searching Aaron Lipman and Woodward Yang Abstract The nearest neighbor algorithm is well suited to an IRAM implementation, given its high bandwidth requirement between memory and processing. We have designed and implemented the Smart Access Memory (SAM) chip to retrieve the k nearest neighbors to a query point in a database of example data vector...