Search Results - "Huélamo, N"

Ysovar: The First Sensitive, Wide-area, Mid-infrared Photometric Monitoring of the Orion Nebula Cluster by Morales-Calderón, M, Stauffer, J. R, Hillenbrand, L. A, Gutermuth, R, Song, I, Rebull, L. M, Plavchan, P, Carpenter, J. M, Whitney, B. A, Covey, K, de Oliveira, C. Alves, Winston, E, McCaughrean, M. J, Bouvier, J, Guieu, S, Vrba, F. J, Holtzman, J, Marchis, F, Hora, J. L, Wasserman, L. H, Terebey, S, Megeath, T, Guinan, E, Forbrich, J, Huélamo, N, Riviere-Marichalar, P, Barrado, D, Stapelfeldt, K, Hernández, J, Allen, L. E, Ardila, D. R, Bayo, A, Favata, F, James, D, Werner, M, Wood, K

“…We present initial results from time-series imaging at infrared wavelengths of 0.9 deg2 in the Orion Nebula Cluster (ONC). During Fall 2009 we obtained 81…”
Get full text

Near-IR imaging of T Cha: evidence for scattered-light disc structures at Solar system scales by Cheetham, A., Huélamo, N., Lacour, S., de Gregorio-Monsalvo, I., Tuthill, P.

“…T Chamaeleontis is a young star surrounded by a transitional disc, and a plausible candidate for ongoing planet formation. Recently, a substellar companion…”
Get full text

Ultracool dwarfs in deep extragalactic surveys using the virtual observatory: ALHAMBRA and COSMOS by Solano, E, Gálvez-Ortiz, M C, Martín, E L, Gómez Muñoz, I M, Rodrigo, C, Burgasser, A J, Lodieu, N, Béjar, V J S, Huélamo, N, Morales-Calderón, M, Bouy, H

“…ABSTRACT Ultracool dwarfs (UCDs) encompass a wide variety of compact stellar-like objects with spectra classified as late-M, L, T, and Y. Most of them have…”
Get full text

GASPS-A Herschel Survey of Gas and Dust in Protoplanetary Disks: Summary and Initial Statistics by Dent, W. R. F., Thi, W. F., Kamp, I., Williams, J. P., Menard, F., Andrews, S., Ardila, D., Aresu, G., Augereau, J.-C., Barrado y Navascues, D., Brittain, S., Carmona, A., Ciardi, D., Danchi, W., Donaldson, J., Duchene, G., Eiroa, C., Fedele, D., Grady, C., de Gregorio-Molsalvo, I., Howard, C., Huélamo, N., Krivov, A., Lebreton, J., Liseau, R., Martin-Zaidi, C., Mathews, G., Meeus, G., Mendigutía, I., Montesinos, B., Morales-Calderon, M., Mora, A., Nomura, H., Pantin, E., Pascucci, I., Phillips, N., Pinte, C., Podio, L., Ramsay, S. K., Riaz, B., Riviere-Marichalar, P., Roberge, A., Sandell, G., Solano, E., Tilling, I., Torrelles, J. M., Vandenbusche, B., Vicente, S., White, G. J., Woitke, P.

“…ABSTRACT We describe a large-scale far-infrared line and continuum survey of protoplanetary disk through to young debris disk systems carried out using the ACS…”
Get full text

A search for pre-substellar cores and proto-brown dwarf candidates in Taurus: multiwavelength analysis in the B213-L1495 clouds by Palau, Aina, de Gregorio-Monsalvo, I., Morata, Ò., Stamatellos, D., Huélamo, N., Eiroa, C., Bayo, A., Morales-Calderón, M., Bouy, H., Ribas, Á., Asmus, D., Barrado, D.

“…Abstract In anattempt to study whether the formation of brown dwarfs (BDs) takes place as a scaled-down version of low-mass stars, we conducted Institut de…”
Get full text

47 new T dwarfs from the UKIDSS Large Area Survey by Burningham, Ben, Pinfield, D. J., Lucas, P. W., Leggett, S. K., Deacon, N. R., Tamura, M., Tinney, C. G., Lodieu, N., Zhang, Z. H., Huelamo, N., Jones, H. R. A., Murray, D. N., Mortlock, D. J., Patel, M., Barrado y Navascués, D., Zapatero Osorio, M. R., Ishii, M., Kuzuhara, M., Smart, R. L.

“…We report the discovery of 47 new T dwarfs in the Fourth Data Release (DR4) from the Large Area Survey (LAS) of the United Kingdom Infrared Telescope (UKIRT)…”
Get full text

The discovery of an M4+T8.5 binary system by Burningham, Ben, Pinfield, D. J., Leggett, S. K., Tinney, C. G., Liu, M. C., Homeier, D., West, A. A., Day-Jones, A., Huelamo, N., Dupuy, T. J., Zhang, Z., Murray, D. N., Lodieu, N., Barrado y Navascués, D., Folkes, S., Galvez-Ortiz, M. C., Jones, H. R. A., Lucas, P. W., Calderon, M. Morales, Tamura, M.

“…We report the discovery of a T8.5 dwarf, which is a companion to the M4 dwarf Wolf 940. At a distance of 12.50+0.75−0.67 pc, the angular separation of 32…”
Get full text

Establishing the nature of companion candidates to X‐ray‐emitting late B‐type stars by Hubrig, S., Marco, O., Stelzer, B., Schöller, M., Huélamo, N.

“…The most favoured interpretation for the detection of X‐ray emission from late B‐type stars is that these stars have a yet undiscovered late‐type companion (or…”
Get full text

NGC 2362: A Template for Early Stellar Evolution by Moitinho, A, Alves, J, Huélamo, N, Lada, C. J

Get full text

A search for pre-substellar cores and proto-brown dwarf candidates in Taurus: multiwavelength analysis in the B213-L1495 clouds: A search for proto-BDs in Taurus by Palau, Aina, de Gregorio-Monsalvo, I., Morata, Ò., Stamatellos, D., Huélamo, N., Eiroa, C., Bayo, A., Morales-Calderón, M., Bouy, H., Ribas, Á., Asmus, D., Barrado, D.

Get full text

An infrared imaging search for low-mass companions to members of the young nearby β Pic and Tucana/Horologium associations by Neuhäuser, R., Guenther, E.W., Alves, J., Huélamo, N., Ott, Th, Eckart, A.

“…We present deep high dynamic range infrared images of young nearby stars in the Tucana/Horologium and β Pic associations, all ∼10 to 35 Myrs young and at ∼10…”
Get full text

Establishing the nature of companion candidates to X-ray-emitting late B-type stars by Hubrig, S., Marco, O., Stelzer, B., Schöller, M., Huélamo, N.

Get full text

Common Proper Motion Search for Faint Companions Around Early-Type Field Stars – Progress Report by Ivanov, Valentin D, Chauvin, G, Foellmi, C, Hartung, M, Huelamo, N, Melo, C, Nuernberger, D, Sterzik, M

“…Issue Title: Close Binaries in the 21st Century: New Opportunities and Challenges The multiplicity of early-type stars is still not well established. The…”
Get full text

Variability in the Lambda Orionis cluster substellar domain by Barrado Y Navascués, D., Huélamo, N., Morales Calderón, M.

“…We present the first results on variability of very low mass stars and brown dwarfs belonging to the ∼5 Myr Lambda Orionis cluster (Collinder 69). We have…”
Get full text

Gas, not dust: Migration of TESS/Gaia hot Jupiters possibly halted by the magnetospheres of protoplanetary disks by Mendigutía, I, Lillo-Box, J, Vioque, M, Maldonado, J, Montesinos, B, Huélamo, N, Wang, J

“…(Abridged) The presence of short-period (< 10 days) planets around main sequence (MS) stars has been associated either with the dust-destruction region or with…”
Get full text

VISIR/VLT observations of brown dwarfs in Upper Scorpius by Huélamo, N., Bouy, H., Sterzik, M., Pantin, E., MartÍn, E.L.

“…We present mid‐IR observations of a sample of very low‐mass stars and brown dwarfs in the Upper Scorpius association. The main goal of these observations is to…”
Get full text

Understanding sub-stellar populations using wide-field infrared surveys by Pinfield, D.J., Day-Jones, A.C., Burningham, B., Leggett, S.K., Beaumont, H., Tamura, M., Tinney, C.G., Liu, M.C., Homeier, D., Lodieu, N., Deacon, N.R., West, A.A., Huelamo, N., Dupuy, T., Mortlock, D.J., Warren, S.J., Jones, H.R.A., Lucas, P.W., Ishi, M., McMahon, R.G., Hewett, P.C., Zapatero-Osorio, M.R., Martin, E.L., Venemans, B.P., Barrado, D., Zhang, Z., Morales-Calderon, M.

“…This paper discusses benchmark brown dwarfs in various environments, and focuses on those in wide binary systems. We present a summary of the recently…”
Get full text

The AstraLux-TESS high-spatial resolution imaging survey. Search for stellar companions of 215 planet candidates from TESS by Lillo-Box, J, Morales-Calderón, M, Barrado, D, Balsalobre-Ruza, O, Castro-González, A, Mendigutía, I, Huélamo, N, Montesinos, B, Vioque, M

“…A&A 686, A232 (2024) Chance-aligned sources or blended companions can cause false positives in planetary transit detections or simply bias the determination of…”
Get full text

Gaia EDR3 comparative study of protoplanetary disk fractions in young stellar clusters by Mendigutía, I, Solano, E, Vioque, M, Balaguer-Nuñez, L, Ribas, A, Huélamo, N, Rodrigo, C

“…A&A 664, A66 (2022) (Abridged) The lifetime of protoplanetary disks around young stars limits the timescale when planets form. A disk dissipation timescale <…”
Get full text

The far-UV spectrum of T Tauri stars — I. The relevance of the IUE Newly Extracted Spectra by Huélamo, N., Franqueira, M., Gómez de Castro, A. I.

“…The far-UV spectrum of the T Tauri stars (TTSs) provides important clues about the structure of the stellar atmospheres, winds and accretion shocks. The IUE…”
Get full text