Search Results - "Haikala, L"

Light and colour of cirrus, translucent, and opaque dust in the high-latitude area of LDN 1642 by Mattila, K, Väisänen, P, Lehtinen, K, Haikala, L, Haas, M

“…ABSTRACT We have performed a 5-colour surface photometric study of the high-galactic-latitude area of dark nebula LDN 1642. Scattered light properties are…”
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Transit timing variations in the WASP-4 planetary system by Southworth, John, Dominik, M, Jørgensen, U G, Andersen, M I, Bozza, V, Burgdorf, M J, D’Ago, G, Dib, S, Figuera Jaimes, R, Fujii, Y I, Gill, S, Haikala, L K, Hinse, T C, Hundertmark, M, Khalouei, E, Korhonen, H, Longa-Peña, P, Mancini, L, Peixinho, N, Rabus, M, Rahvar, S, Sajadian, S, Skottfelt, J, Snodgrass, C, Spyratos, P, Tregloan-Reed, J, Unda-Sanzana, E, von Essen, C

“…ABSTRACT Transits in the planetary system WASP-4 were recently found to occur 80 s earlier than expected in observations from the TESS satellite. We present 22…”
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A colour-excess extinction map of the southern Galactic disc from the VVV and GLIMPSE surveys by Soto, M, Barbá, R, Minniti, D, Kunder, A, Majaess, D, Nilo-Castellón, J L, Alonso-García, J, Leone, G, Morelli, L, Haikala, L, Firpo, V, Lucas, P, Emerson, J P, Moni Bidin, C, Geisler, D, Saito, R K, Gurovich, S, Contreras Ramos, R, Rejkuba, M, Barbieri, M, Roman-Lopes, A, Hempel, M, Alonso, M V, Baravalle, L D, Borissova, J, Kurtev, R, Milla, F

“…Abstract An improved high-resolution and deep $A_{K_{s}}$ foreground dust extinction map is presented for the Galactic disc area within 295° ≲ l ≲ 350°, −1.0°…”
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Large-scale changes of the cloud coverage in the ϵ Indi Ba and Bb system by Hitchcock, J A, Helling, Ch, Scholz, A, Hodosan, G, Dominik, M, Hundertmark, M, Jørgensen, U G, Longa-Peña, P, Sajadian, S, Skottfelt, J, Snodgrass, C, Bozza, V, Burgdorf, M J, Campbell-White, J, Figuera Jaimes, Roberto, Fujii, Y I, Haikala, L K, Henning, T, Hinse, T C, Lowry, S, Mancini, L, Rahvar, S, Rabus, M, Southworth, J, von Essen, C

“…ABSTRACT We present the results of 14 nights of I-band photometric monitoring of the nearby brown dwarf binary, ϵ Indi Ba and Bb. Observations were acquired…”
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Erratum: Large-scale changes of the cloud coverage in the ϵ Indi Ba and Bb system by Hitchcock, J A, Helling, Ch, Scholz, A, Hodosan, G, Dominik, M, Hundertmark, M, Jørgensen, U G, Longa-Peña, P, Sajadian, S, Skottfelt, J, Snodgrass, C, Bozza, V, Burgdorf, M J, Campbell-White, J, Figuera Jaimes, Roberto, Fujii, Y I, Haikala, L K, Henning, T, Hinse, T C, Lowry, S, Mancini, L, Rahvar, S, Rabus, M, Southworth, J, von Essen, C

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OGLE-2017-BLG-0329L: A Microlensing Binary Characterized with Dramatically Enhanced Precision Using Data from Space-based Observations by Han, C., Novati, S. Calchi, Udalski, A., Lee, C.-U., Gould, A., Bozza, V., Mróz, P., Pietrukowicz, P., Skowron, J., Szyma ski, M. K., Poleski, R., Soszy ski, I., Koz owski, S., Ulaczyk, K., Pawlak, M., Rybicki, K., Iwanek, P., Albrow, M. D., Chung, S.-J., Hwang, K.-H., Jung, Y. K., Ryu, Y.-H., Shin, I.-G., Shvartzvald, Y., Yee, J. C., Zang, W., Zhu, W., Cha, S.-M., Kim, D.-J., Kim, H.-W., Kim, S.-L., Lee, D.-J., Lee, Y., Park, B.-G., Pogge, R. W., Kim, W.-T., Beichman, C., Bryden, G., Carey, S., Gaudi, B. S., Henderson, C. B., Dominik, M., Helling, C., Hundertmark, M., Jørgensen, U. G., Longa-Peña, P., Lowry, S., Sajadian, S., Burgdorf, M. J., Campbell-White, J., Ciceri, S., Evans, D. F., Haikala, L. K., Hinse, T. C., Rahvar, S., Rabus, M., Snodgrass, C.

“…Mass measurements of gravitational microlenses require one to determine the microlens parallax πE, but precise πE measurement, in many cases, is hampered due…”
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ALMA detection of the dusty object silhouetted against the S0 galaxy NGC 3269 in the Antlia cluster by Haikala, L. K, Salinas, R, Richtler, T, Gómez, M, Gahm, G. F, Mattila, K

“…A&A 645, A36 (2021) An intriguing silhouette of a small dust patch can be seen against the disk of the S0 galaxy NGC 3269 in the Antlia cluster in optical…”
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Rosette nebula globules: Seahorse giving birth to a star by Mäkelä, M. M, Haikala, L. K, Gahm, G. F

“…A&A 605, A82 (2017) The Rosette Nebula is an HII region ionized mainly by the stellar cluster NGC 2244. Elephant trunks, globules, and globulettes are seen at…”
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Optical and UV surface brightness of translucent dark nebulae: Dust albedo, radiation field and fluorescence emission by H2 by Mattila, K, Haas, M, Haikala, L. K, Jo, Y-S, Lehtinen, K, Leinert, Ch, Vaeisaenen, P

“…A&A 617, A42 (2018) Photometry of the nebulae LDN1780, LDN1642 and LBN406 is used to derive scattering properties of dust and to investigate the presence of UV…”
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Are Clouds Collapsing at the 2' North Position of Sagittarius B2? by Minh, Y. C, Haikala, L, Hjalmarson, Å, Irvine, W. M

“…The 3 mm lines of HCO2+ and HNCO have been observed toward Sgr B2. Besides the well-known "principal cloud" and an extended envelope, we find another gas cloud…”
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Transit timing variations in the WASP-4 planetary system by Southworth, John, Dominik, M, Jorgensen, U. G, Andersen, M. I, Bozza, V, Burgdorf, M. J, D'Ago, G, Dib, S, Jaimes, R. Figuera, Fujii, Y. I, Gill, S, Haikala, L. K, Hinse, T. C, Hundertmark, M, Khalouei, E, Korhonen, H, Longa-Pena, P, Mancini, L, Peixinho, N, Rabus, M, Rahvar, S, Sajadian, S, Skottfelt, J, Snodgrass, C, Spyratos, P, Tregloan-Reed, J, Unda-Sanzana, E, von Essen, C

“…Transits in the planetary system WASP-4 were recently found to occur 80s earlier than expected in observations from the TESS satellite. We present 22 new times…”
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OGLE-2017-BLG-1186: First Application of Asteroseismology and Gaussian Processes to microlensing by Li, S.-S., Udalski, A., Shvartzvald, Y., Huber, D., Lee, C.-U., Sumi, T., Gould, A., Mao, S., Fouqu´e, P., Dong, S., Jørgensen, U. G., Cole, A., Mr´oz, P., Szyma´nski, M. K., Skowron, J., Poleski, R., Soszy´nski, I., Pietrukowicz, P., Kozłowski, S., Ulaczyk, K., Rybicki, K. A., Iwanek, P., Yee, J. C., Novati, S. Calchi, Beichman, C. A., Bryden, G., Carey, S., Gaudi, B. S., Henderson, C. B., Zhu, W., Albrow, M. D., Chung, S.-J., Han, C., Hwang, K.-H., Jung, Y. K., Ryu, Y.-H., Shin, I.-G., Cha, S.-M., Kim, D.-J., Kim, H.-W., Kim, S.-L., Lee, D.-J., Lee, Y., Park, B.-G., Pogge, R. W., Bond, I. A., Abe, F., Barry, R, Bennett, D P, Bhattacharya, A, Donachie, M., Fukui, A., Hirao, Y., Itow, Y., Kondo, I., Koshimoto, N., Li, M. C. A., Matsubara, Y., Muraki, Y., Miyazaki, S., Nagakane, M., Ranc, C, Rattenbury, N. J., Suematsu, H., Sullivan, D. J., Suzuki, D., Tristram, P. J., Christie, G., Drummond, J., Green, J., Hennerley, S., Natusch, T., Porritt, I., Bachelet, E., Maoz, D., Street, R. A., Tsapras, Y., Bozza, V., Hundertmark, M., Sajadian, S., Burgdorf, M. J., Evans, D. F., Jaimes, R. Figuera, Fujii, Y. I., Haikala, L. K., Helling, C., Henning, T., Hinse, T. C., Mancini, L., Longa-Pe˜na, P., Rahvar, S., Rabus, M., Skottfelt, J., Snodgrass, C., Southworth, J., Unda-Sanzana, E., Essen, C. von, Beaulieu, J.-P., Blackman, J., Hill, K.

“…We present the analysis of the event OGLE-2017-BLG-1186 from the 2017 Spitzer microlensing campaign. This is a remarkable microlensing event because its source…”
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Rosette Globulettes and Shells in the Infrared by Mäkelä, M. M, Haikala, L. K, Gahm, G. F

“…A&A 567, A108 (2014) Tiny, dense clumps of sub-solar mass called globulettes form in giant galactic HII regions. The young central clusters compress the…”
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Star formation, structure, and formation mechanism of cometary globules: NIR observations of CG 1 and CG 2 by Mäkelä, M. M, Haikala, L. K

“…Cometary globule (CG) 1 and CG 2 are "classic" CGs in the Gum Nebula. They have compact heads and long dusty tails that point away from the centre of the Gum…”
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On the dust and gas associated with Sharpless 252 by HAIKALA, L

“…The stellar cluster and the massive molecular cloud associated with the H II region Sharpless 252 have been studied by means of multicolor polarization and…”
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OGLE-2017-BLG-0329L: A Microlensing Binary Characterized with Dramatically Enhanced Precision Using Data from Space-based Observations by Han, C, Novati, S. Calchi, Udalski, A, Lee, C. -U, Gould, A, Bozza, V, Mróz, P, Pietrukowicz, P, Skowron, J, Szymański, M. K, Poleski, R, Soszyński, I, Kozłowski, S, Ulaczyk, K, Pawlak, M, Rybicki, K, Iwanek, P, Albrow, M. D, Chung, S. -J, Hwang, K. -H, Jung, Y. K, Ryu, Y. -H, Shin, I. -G, Shvartzvald, Y, Yee, J. C, Zang, W, Zhu, W, Cha, S. -M, Kim, D. -J, Kim, H. -W, Kim, S. -L, Lee, D. -J, Lee, Y, Park, B. -G, Pogge, R. W, Kim, W. -T, Beichman, C, Bryden, G, Carey, S, Gaudi, B. S, Henderson, C. B, Dominik, M, Helling, C, Hundertmark, M, Jørgensen, U. G, Longa-Peña, P, Lowry, S, Sajadian, S, Burgdorf, M. J, Campbell-White, J, Ciceri, S, Evans, D. F, Haikala, L. K, Hinse, T. C, Rahvar, S, Rabus, M, Snodgrass, C

“…Mass measurements of gravitational microlenses require one to determine the microlens parallax $\pie$, but precise $\pie$ measurement, in many cases, is…”
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OGLE-2017-BLG-1434Lb: Eighth q < 1 10^-4 Mass-Ratio Microlens Planet Confirms Turnover in Planet Mass-Ratio Function by Udalski, A, Ryu, Y. -H, Sajadian, S, Gould, A, Mróz, P, Poleski, R, Szymański, M. K, Skowron, J, Soszyński, I, Kozłowski, S, Pietrukowicz, P, Ulaczyk, K, Pawlak, M, Rybicki, K, Iwanek, P, Albrow, M. D, Chung, S. -J, Han, C, Hwang, K. -H, Jung, Y. K, Shin, I. -G, Shvartzvald, Y, Yee, J. C, Zang, W, Zhu, W, Cha, S. -M, Kim, D. -J, Kim, H. -W, Kim, S. -L, Lee, C. -U, Lee, D. -J, Lee, Y, Park, B. -G, Pogge, R. W, Bozza, V, Dominik, M, Helling, C, Hundertmark, M, Jørgensen, U. G, Longa-Peña, P, Lowry, S, Burgdorf, M, Campbell-White, J, Ciceri, S, Evans, D, Jaimes, R. Figuera, Fujii, Y. I, Haikala, L. K, Henning, T, Hinse, T. C, Mancini, L, Peixinho, N, Rahvar, S, Rabus, M, Skottfelt, J, Snodgrass, C, Southworth, J, von Essen, C

“…We report the discovery of a cold Super-Earth planet (m_p=4.4 +/- 0.5 M_Earth) orbiting a low-mass (M=0.23 +/- 0.03 M_Sun) M dwarf at projected separation…”
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Star formation in Cometary globule 1: the second generation by Haikala, L. K, Mäkelä, M. M, Väisänen, P

“…C18O spectral line observations, NIR spectrosopy, narrow and broad band NIR imaging and stellar J,H,Ks photometry are used to analyse the structure of the…”
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Detection of 6 K gas in Ophiuchus D by Harju, J, Juvela, M, Schlemmer, S, Haikala, L. K, Lehtinen, K, Mattila, K

“…Cold cores in interstellar molecular clouds represent the very first phase in star formation. The physical conditions of these objects are studied in order to…”
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Prestellar and protostellar cores in Ori B9 by Miettinen, O, Harju, J, Haikala, L. K, Kainulainen, J, Johansson, L. E. B

“…Astronomy & Astrophysics 500 (2009) p.845-860 The aims of this study are to determine the properties and spatial distribution of dense cores in Ori B9, and to…”
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