Precise mass and radius of a transiting super-Earth planet orbiting the M dwarf TOI-1235: a planet in the radius gap?

Autor: Bluhm, P., Luque, R., Espinoza, N., Palle, E., Caballero, J. A., Dreizler, S., Livingston, J. H., Mathur, S., Quirrenbach, A., Stock, S., Van Eylen, V., Nowak, G., Lopez, E., Csizmadia, Sz., Osorio, M. R. Zapatero, Schoefer, P., Lillo-Box, J., Oshagh, M., Amado, P. J., Barrado, D., Bejar, V. J. S., Cale, B., Chaturvedi, P., Cifuentes, C., Cochran, W. D., Collins, K. A., Collins, K. I., Cortes-Contreras, M., Alonso, E. Diez, Mufti, M. El, Ercolino, A., Fridlund, M., Gaidos, E., Garcia, R. A., Gonzalez-Alvarez, E., Gonzalez-Cuesta, L., Guerra, P., Hatzes, A. P., Henning, T., Herrero, E., Hidalgo, D., Isopi, G., Jeffers, S. V., Jenkins, J. M., Jensen, E. L. N., Kabath, P., Kemmer, J., Korth, J., Kossakowski, D., Kuerster, M., Lafarga, M., Mallia, F., Montes, D., Morales, J. C., Morales-Calderon, M., Murgas, F., Narita, N., Plavchan, P., Passegger, V. M., Pedraz, S., Rauer, H., Redfield, S., Reffert, S., Reiners, A., Ribas, I., Ricker, G. R., Rodriguez-Lopez, C., Santos, A. R. G., Seager, S., Shan, Y., Schlecker, M., Schweitzer, A., Soto, M. G., Subjak, J., Tal-Or, L., Trifonov, T., Vanaverbeke, S., Vanderspek, R., Wittrock, J., Zechmeister, M., Zohrabi, F.

Publikováno v: A&A 639, A132 (2020)

We report the confirmation of a transiting planet around the bright, inactive M0.5 V star TOI-1235 (TYC 4384-1735-1, V = 11.5 mag), whose transit signal was detected in the photometric time series of Sectors 14, 20, and 21 of the TESS space mission.

Externí odkaz: http://arxiv.org/abs/2004.06218

Reanalyses of Anomalous Gravitational Microlensing Events in the OGLE-III Early Warning System Database with Combined Data

Autor: Jeong, J., Park, H., Han, C., Gould, A., Udalski, A., Szymański, M. K., Pietrzyński, G., Soszyński, I., Poleski, R., Ulaczyk, K., Wyrzykowski, Ł., Abe, F., Bennett, D. P., Bond, I. A., Botzler, C. S., Freeman, M., Fukui, A., Fukunaga, D., Itow, Y., Koshimoto, N., Masuda, K., Matsubara, Y., Muraki, Y., Namba, S., Ohnishi, K., Rattenbury, N. J., Saito, To., Sullivan, D. J., Sweatman, W. L., Sumi, T., Suzuki, D., Tristram, P. J., Tsurumi, N., Wada, K., Yamai, N., Yock, P. C. M., Yonehara, A., Albrow, M. D., Batista, V., Beaulieu, J. -P., Caldwell, J. A. R., Cassan, A., Cole, A., Coutures, C., Dieters, S., Dominik, M., Prester, D. Dominis, Donatowicz, J., Fouqué, P., Greenhill, J., Hoffman, M., Huber, M., Jørgensen, U. G., Kane, S. R., Kubas, D., Martin, R., Marquette, J. -B., Menzies, J., Pitrou, C., Pollard, K., Sahu, K. C., Vinter, C., Wambsganss, J., Williams, A., Allen, W., Bolt, G., Choi, J. -Y., Christie, G. W., DePoy, D. L., Drummond, J., Gaudi, B. S., Hwang, K. -H., Jung, Y. K., Lee, C. -U., Mallia, F., Maoz, D., Maury, A., McCormick, J., Monard, L. A. G., Moorhouse, D., Natusch, T., Ofek, E. O., Park, B. -G., Pogge, R. W., Santallo, R., Shin, I. -G., Thornley, G., Yee, J. C., Allan, A., Bramich, D. M., Burgdorf, M. J., Horne, K., Hundertmark, M., Kains, N., Snodgrass, C., Steele, I., Street, R., Tsapras, Y.

We reanalyze microlensing events in the published list of anomalous events that were observed from the OGLE lensing survey conducted during 2004-2008 period. In order to check the existence of possible degenerate solutions and extract extra informati

Externí odkaz: http://arxiv.org/abs/1502.06663

Microlensing Binaries Discovered through High-Magnification Channel

Autor: Shin, I. -G., Choi, J. -Y., Park, S. -Y., Han, C., Gould, A., Sumi, T., Udalski, A., Beaulieu, J. -P., Dominik, M., Allen, W., Bos, M., Christie, G. W., Depoy, D. L., Dong, S., Drummond, J., Gal-Yam, A., Gaudi, B. S., Hung, L. -W., Janczak, J., Kaspi, S., Lee, C. -U., Mallia, F., Maoz, D., Maury, A., McCormick, J., Monard, L. A. G., Moorhouse, D., Muñoz, J. A., Natusch, T., Nelson, C., Park, B. -G., Pogge, R. W., Polishook, D., Shvartzvald, Y., Shporer, A., Thornley, G., Yee, J. C., Abe, F., Bennett, D. P., Bond, I. A., Botzler, C. S., Fukui, A., Furusawa, K., Hayashi, F., Hearnshaw, J. B., Hosaka, S., Itow, Y., Kamiya, K., Kilmartin, P. M., Kobara, S., Korpela, A., Lin, W., Ling, C. H., Makita, S., Masuda, K., Matsubara, Y., Miyake, N., Muraki, Y., Nagaya, M., Nishimoto, K., Ohnishi, K., Okumura, T., Omori, K., Perrott, Y. C., Rattenbury, N., Saito, To., Skuljan, L., Sullivan, D. J., Suzuki, D., Sweatman, W. L., Tristram, P. J., Wada, K., Yock, P. C. M., Szymański, M. K., Kubiak, M., Pietrzyński, G., Soszyński, I., Poleski, R., Ulaczyk, K., Wyrzykowski, Ł., Kozłowski, S., Pietrukowicz, P., Albrow, M. D., Batista, V., Bramich, D. M., Brillant, S., Caldwell, J. A. R., Calitz, J. J., Cassan, A., Cole, A., Cook, K. H., Corrales, E., Coutures, Ch., Dieters, S., Prester, D. Dominis, Donatowicz, J., Fouqué, P., Greenhill, J., Hoffman, M., Jørgensen, U. G., Kane, S. R., Kubas, D., Marquette, J. -B., Martin, R., Meintjes, P., Menzies, J., Pollard, K. R., Sahu, K. C., Wambsganss, J., Williams, A., Vinter, C., Zub, M., Allan, A., Browne, P., Horne, K., Snodgrass, C., Steele, I., Street, R., Tsapras, Y., Alsubai, K. A., Bozza, V., Burgdorf, M. J., Novati, S. Calchi, Dodds, P., Dreizler, S., Finet, F., Gerner, T., Glitrup, M., Grundahl, F., Hardis, S., Harpsøe, K., Hessman, F. V., Hinse, T. C., Hundertmark, M., Kains, N., Kerins, E., Liebig, C., Maier, G., Mancini, L., Mathiasen, M., Penny, M. T., Proft, S., Rahvar, S., Ricci, D., Scarpetta, G., Schäfer, S., Schönebeck, F., Skottfelt, J., Surdej, J., Southworth, J., Zimmer, F.

Microlensing can provide a useful tool to probe binary distributions down to low-mass limits of binary companions. In this paper, we analyze the light curves of 8 binary lensing events detected through the channel of high-magnification events during

Externí odkaz: http://arxiv.org/abs/1109.3295

Binary microlensing event OGLE-2009-BLG-020 gives a verifiable mass, distance and orbit predictions

Autor: Skowron, J., Udalski, A., Gould, A., Dong, Subo, Monard, L. A. G., Han, C., Nelson, C. R., McCormick, J., Moorhouse, D., Thornley, G., Maury, A., Bramich, D. M., Greenhill, J., Kozlowski, S., Bond, I., Poleski, R., Wyrzykowski, L., Ulaczyk, K., Kubiak, M., Szymanski, M. K., Pietrzynski, G., Soszynski, I., Gaudi, B. S., Yee, J. C., Hung, L. -W., Pogge, R. W., DePoy, D. L., Lee, C. -U., Park, B. -G., Allen, W., Mallia, F., Drummond, J., Bolt, G., Allan, A., Browne, P., Clay, N., Dominik, M., Fraser, S., Horne, K., Kains, N., Mottram, C., Snodgrass, C., Steele, I., Street, R. A., Tsapras, Y., Abe, F., Bennett, D. P., Botzler, C. S., Douchin, D., Freeman, M., Fukui, A., Furusawa, K., Hayashi, F., Hearnshaw, J. B., Hosaka, S., Itow, Y., Kamiya, K., Kilmartin, P. M., Korpela, A., Lin, W., Ling, C. H., Makita, S., Masuda, K., Matsubara, Y., Muraki, Y., Nagayama, T., Miyake, N., Nishimoto, K., Ohnishi, K., Perrott, Y. C., Rattenbury, N., Saito, To., Skuljan, L., Sullivan, D. J., Sumi, T., Suzuki, D., Sweatman, W. L., Tristram, P. J., Wada, K., Yock, P. C. M., Beaulieu, J. -P., Fouque, P., Albrow, M. D., Batista, V., Brillant, S., Caldwell, J. A. R., Cassan, A., Cole, A., Cook, K. H., Coutures, Ch., Dieters, S., Prester, D. Dominis, Donatowicz, J., Kane, S. R., Kubas, D., Marquette, J. -B., Martin, R., Menzies, J., Sahu, K. C., Wambsganss, J., Williams, A., Zub, M.

We present the first example of binary microlensing for which the parameter measurements can be verified (or contradicted) by future Doppler observations. This test is made possible by a confluence of two relatively unusual circumstances. First, the

Externí odkaz: http://arxiv.org/abs/1101.3312

A Cold Neptune-Mass Planet OGLE-2007-BLG-368Lb: Cold Neptunes Are Common

Autor: Sumi, T., Bennett, D. P., Bond, I. A., Udalski, A., Batista, V., Dominik, M., Fouqué, P., Kubas, D., Gould, A., Macintosh, B., Cook, K., Dong, S., Skuljan, L., Cassan, A., Collaboration, The MOA, Abe, F., Botzler, C. S., Fukui, A., Furusawa, K., Hearnshaw, J. B., Itow, Y., Kamiya, K., Kilmartin, P. M., Korpela, A., Lin, W., Ling, C. H., Masuda, K., Matsubara, Y., Miyake, N., Muraki, Y., Nagaya, M., Nagayama, T., Ohnishi, K., Okumura, T., Perrott, Y. C., Rattenbury, N., Saito, To., Sako, T., Sullivan, D. J., Sweatman, W. L., Yock, P. C. M., Collaboration, The PLANET, Beaulieu, J. P., Cole, A., Coutures, Ch., Duran, M. F., Greenhill, J., Jablonski, F., Marboeuf, U., Martioli, E., Pedretti, E., Pejcha, O., Rojo, P., Albrow, M. D., Brillant, S., Bode, M., Bramich, D. M., Burgdorf, M. J., Caldwell, J. A. R., Calitz, H., Corrales, E., Dieters, S., Prester, D. Dominis, Donatowicz, J., Hill, K., Hoffman, M., Horne, K., J, U. G., Kains, N., Kane, S., Marquette, J. B., Martin, R., Meintjes, P., Menzies, J., Pollard, K. R., Sahu, K. C., Snodgrass, C., Steele, I., Street, R., Tsapras, Y., Wambsganss, J., Williams, A., Zub, M., Collaboration, The OGLE, Szyma, M. K., Kubiak, M., Pietrzy, G., Soszy, I., Szewczyk, O., Ulaczyk, K., Collaboration, The microFUN, Allen, W., Christie, G. W., DePoy, D. L., Gaudi, B. S., Han, C., Janczak, J., Lee, C. -U., McCormick, J., Mallia, F., Monard, B., Natusch, T., Park, B. -G., Pogge, R. W., Santallo, R.

Publikováno v: Astrophys.J.710:1641-1653,2010

We present the discovery of a Neptune-mass planet OGLE-2007-BLG-368Lb with a planet-star mass ratio of q=[9.5 +/- 2.1] x 10^{-5} via gravitational microlensing. The planetary deviation was detected in real-time thanks to the high cadence of the MOA s

Externí odkaz: http://arxiv.org/abs/0912.1171