MOA-2010-BLG-523: "failed planet" = RS CVn STAR

The Galactic bulge source MOA-2010-BLG-523S exhibited short-term deviations from a standard microlensing light curve near the peak of anAmax ~ 265 high-magnificationmicrolensing event. The deviations originally seemed consistent with expectations for a planetary companion to the principal lens. We c...

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Main Authors:	Gould, A., Yee, J., Bond, I., Udalski, A., Han, C., Jorgensen, U., Greenhill, J., Tsapras, Y., Pinsonneault, M., Bensby, T., Allen, W., Almeida, L., Bos, M., Christie, G., DePoy, D., Dong, S., Gaudi, B., Hung, L., Jablonski, F., Lee, C., McCormick, J., Moorhouse, D., Munoz, J., Natusch, T., Nola, M., Pogge, R., Skowron, J., Thornley, G., Abe, F., Bennett, D., Botzler, C., Chote, P., Freeman, M., Fukui, A., Furusawa, K., Harris, P., Itow, Y., Ling, C., Masuda, K., Matsubara, Y., Miyake, N., Ohnishi, K., Rattenbury, N., Saito, T., Sullivan, D., Sumi, T., Suzuki, D., Sweatman, W., Tristram, P., Wada, K., Yock, P., Szymanski, M., Soszynski, I., Kubiak, M., Poleski, R., Ulaczyk, K., Pietrzynski, G., Wyrzykowski, L., Alsubai, K., Bozza, V., Browne, P., Burgdorf, M., Calchi Novati, S., Dodds, P., Dominik, M., Finet, F., Gerner, T., Hardis, S., Harpsoe, K., Hessman, F., Hinse, T., Hundertmark, M., Kains, N., Kerins, E., Liebig, C., Mancini, L., Mathiasen, M., Penny, M., Proft, S., Rahvar, S., Ricci, D., Sahu, K., Scarpetta, G., Schafer, S., Schonebeck, F., Snodgrass, C., Southworth, J., Surdej, J., Wambsganss, J., Street, R., Horne, K., Bramich, D., Steele, I., Albrow, M., Bachelet, E., Batista, V., Beatty, T., Beaulieu, J., Bennett, C., Bowens-Rubin, R., Brillant, S., Caldwell, J., Cassan, A., Cole, A., Corrales, E., Coutures, C., Dieters, S., Dominis Prester, D., Donatowicz, J., Fouque, P., Henderson, C., Kubas, D., Marquette, J., Martin, R., Menzies, J., Shappee, B., Williams, Andrew, van Saders, J., Zub, M.
Format:	Journal Article
Published:	Institute of Physics Publishing 2013
Subjects:	color figure gravitational lensing general - Online-only material micro – planetary systems – starspots – stars variables
Online Access:	http://hdl.handle.net/20.500.11937/31896

_version_	1848753511323402240
author	Gould, A. Yee, J. Bond, I. Udalski, A. Han, C. Jorgensen, U. Greenhill, J. Tsapras, Y. Pinsonneault, M. Bensby, T. Allen, W. Almeida, L. Bos, M. Christie, G. DePoy, D. Dong, S. Gaudi, B. Hung, L. Jablonski, F. Lee, C. McCormick, J. Moorhouse, D. Munoz, J. Natusch, T. Nola, M. Pogge, R. Skowron, J. Thornley, G. Abe, F. Bennett, D. Botzler, C. Chote, P. Freeman, M. Fukui, A. Furusawa, K. Harris, P. Itow, Y. Ling, C. Masuda, K. Matsubara, Y. Miyake, N. Ohnishi, K. Rattenbury, N. Saito, T. Sullivan, D. Sumi, T. Suzuki, D. Sweatman, W. Tristram, P. Wada, K. Yock, P. Szymanski, M. Soszynski, I. Kubiak, M. Poleski, R. Ulaczyk, K. Pietrzynski, G. Wyrzykowski, L. Alsubai, K. Bozza, V. Browne, P. Burgdorf, M. Calchi Novati, S. Dodds, P. Dominik, M. Finet, F. Gerner, T. Hardis, S. Harpsoe, K. Hessman, F. Hinse, T. Hundertmark, M. Kains, N. Kerins, E. Liebig, C. Mancini, L. Mathiasen, M. Penny, M. Proft, S. Rahvar, S. Ricci, D. Sahu, K. Scarpetta, G. Schafer, S. Schonebeck, F. Snodgrass, C. Southworth, J. Surdej, J. Wambsganss, J. Street, R. Horne, K. Bramich, D. Steele, I. Albrow, M. Bachelet, E. Batista, V. Beatty, T. Beaulieu, J. Bennett, C. Bowens-Rubin, R. Brillant, S. Caldwell, J. Cassan, A. Cole, A. Corrales, E. Coutures, C. Dieters, S. Dominis Prester, D. Donatowicz, J. Fouque, P. Henderson, C. Kubas, D. Marquette, J. Martin, R. Menzies, J. Shappee, B. Williams, Andrew van Saders, J. Zub, M.
author_facet	Gould, A. Yee, J. Bond, I. Udalski, A. Han, C. Jorgensen, U. Greenhill, J. Tsapras, Y. Pinsonneault, M. Bensby, T. Allen, W. Almeida, L. Bos, M. Christie, G. DePoy, D. Dong, S. Gaudi, B. Hung, L. Jablonski, F. Lee, C. McCormick, J. Moorhouse, D. Munoz, J. Natusch, T. Nola, M. Pogge, R. Skowron, J. Thornley, G. Abe, F. Bennett, D. Botzler, C. Chote, P. Freeman, M. Fukui, A. Furusawa, K. Harris, P. Itow, Y. Ling, C. Masuda, K. Matsubara, Y. Miyake, N. Ohnishi, K. Rattenbury, N. Saito, T. Sullivan, D. Sumi, T. Suzuki, D. Sweatman, W. Tristram, P. Wada, K. Yock, P. Szymanski, M. Soszynski, I. Kubiak, M. Poleski, R. Ulaczyk, K. Pietrzynski, G. Wyrzykowski, L. Alsubai, K. Bozza, V. Browne, P. Burgdorf, M. Calchi Novati, S. Dodds, P. Dominik, M. Finet, F. Gerner, T. Hardis, S. Harpsoe, K. Hessman, F. Hinse, T. Hundertmark, M. Kains, N. Kerins, E. Liebig, C. Mancini, L. Mathiasen, M. Penny, M. Proft, S. Rahvar, S. Ricci, D. Sahu, K. Scarpetta, G. Schafer, S. Schonebeck, F. Snodgrass, C. Southworth, J. Surdej, J. Wambsganss, J. Street, R. Horne, K. Bramich, D. Steele, I. Albrow, M. Bachelet, E. Batista, V. Beatty, T. Beaulieu, J. Bennett, C. Bowens-Rubin, R. Brillant, S. Caldwell, J. Cassan, A. Cole, A. Corrales, E. Coutures, C. Dieters, S. Dominis Prester, D. Donatowicz, J. Fouque, P. Henderson, C. Kubas, D. Marquette, J. Martin, R. Menzies, J. Shappee, B. Williams, Andrew van Saders, J. Zub, M.
author_sort	Gould, A.
building	Curtin Institutional Repository
collection	Online Access
description	The Galactic bulge source MOA-2010-BLG-523S exhibited short-term deviations from a standard microlensing light curve near the peak of anAmax ~ 265 high-magnificationmicrolensing event. The deviations originally seemed consistent with expectations for a planetary companion to the principal lens. We combine long-term photometric monitoring with a previously published high-resolution spectrum taken near peak to demonstrate that this is an RS CVn variable, so that planetary microlensing is not required to explain the light-curve deviations. This is the firstspectroscopically confirmed RS CVn star discovered in the Galactic bulge.
first_indexed	2025-11-14T08:25:41Z
format	Journal Article
id	curtin-20.500.11937-31896
institution	Curtin University Malaysia
institution_category	Local University
last_indexed	2025-11-14T08:25:41Z
publishDate	2013
publisher	Institute of Physics Publishing
recordtype	eprints
repository_type	Digital Repository
spelling	curtin-20.500.11937-318962017-02-28T01:43:03Z MOA-2010-BLG-523: "failed planet" = RS CVn STAR Gould, A. Yee, J. Bond, I. Udalski, A. Han, C. Jorgensen, U. Greenhill, J. Tsapras, Y. Pinsonneault, M. Bensby, T. Allen, W. Almeida, L. Bos, M. Christie, G. DePoy, D. Dong, S. Gaudi, B. Hung, L. Jablonski, F. Lee, C. McCormick, J. Moorhouse, D. Munoz, J. Natusch, T. Nola, M. Pogge, R. Skowron, J. Thornley, G. Abe, F. Bennett, D. Botzler, C. Chote, P. Freeman, M. Fukui, A. Furusawa, K. Harris, P. Itow, Y. Ling, C. Masuda, K. Matsubara, Y. Miyake, N. Ohnishi, K. Rattenbury, N. Saito, T. Sullivan, D. Sumi, T. Suzuki, D. Sweatman, W. Tristram, P. Wada, K. Yock, P. Szymanski, M. Soszynski, I. Kubiak, M. Poleski, R. Ulaczyk, K. Pietrzynski, G. Wyrzykowski, L. Alsubai, K. Bozza, V. Browne, P. Burgdorf, M. Calchi Novati, S. Dodds, P. Dominik, M. Finet, F. Gerner, T. Hardis, S. Harpsoe, K. Hessman, F. Hinse, T. Hundertmark, M. Kains, N. Kerins, E. Liebig, C. Mancini, L. Mathiasen, M. Penny, M. Proft, S. Rahvar, S. Ricci, D. Sahu, K. Scarpetta, G. Schafer, S. Schonebeck, F. Snodgrass, C. Southworth, J. Surdej, J. Wambsganss, J. Street, R. Horne, K. Bramich, D. Steele, I. Albrow, M. Bachelet, E. Batista, V. Beatty, T. Beaulieu, J. Bennett, C. Bowens-Rubin, R. Brillant, S. Caldwell, J. Cassan, A. Cole, A. Corrales, E. Coutures, C. Dieters, S. Dominis Prester, D. Donatowicz, J. Fouque, P. Henderson, C. Kubas, D. Marquette, J. Martin, R. Menzies, J. Shappee, B. Williams, Andrew van Saders, J. Zub, M. color figure gravitational lensing general - Online-only material micro – planetary systems – starspots – stars variables The Galactic bulge source MOA-2010-BLG-523S exhibited short-term deviations from a standard microlensing light curve near the peak of anAmax ~ 265 high-magnificationmicrolensing event. The deviations originally seemed consistent with expectations for a planetary companion to the principal lens. We combine long-term photometric monitoring with a previously published high-resolution spectrum taken near peak to demonstrate that this is an RS CVn variable, so that planetary microlensing is not required to explain the light-curve deviations. This is the firstspectroscopically confirmed RS CVn star discovered in the Galactic bulge. 2013 Journal Article http://hdl.handle.net/20.500.11937/31896 Institute of Physics Publishing restricted
spellingShingle	color figure gravitational lensing general - Online-only material micro – planetary systems – starspots – stars variables Gould, A. Yee, J. Bond, I. Udalski, A. Han, C. Jorgensen, U. Greenhill, J. Tsapras, Y. Pinsonneault, M. Bensby, T. Allen, W. Almeida, L. Bos, M. Christie, G. DePoy, D. Dong, S. Gaudi, B. Hung, L. Jablonski, F. Lee, C. McCormick, J. Moorhouse, D. Munoz, J. Natusch, T. Nola, M. Pogge, R. Skowron, J. Thornley, G. Abe, F. Bennett, D. Botzler, C. Chote, P. Freeman, M. Fukui, A. Furusawa, K. Harris, P. Itow, Y. Ling, C. Masuda, K. Matsubara, Y. Miyake, N. Ohnishi, K. Rattenbury, N. Saito, T. Sullivan, D. Sumi, T. Suzuki, D. Sweatman, W. Tristram, P. Wada, K. Yock, P. Szymanski, M. Soszynski, I. Kubiak, M. Poleski, R. Ulaczyk, K. Pietrzynski, G. Wyrzykowski, L. Alsubai, K. Bozza, V. Browne, P. Burgdorf, M. Calchi Novati, S. Dodds, P. Dominik, M. Finet, F. Gerner, T. Hardis, S. Harpsoe, K. Hessman, F. Hinse, T. Hundertmark, M. Kains, N. Kerins, E. Liebig, C. Mancini, L. Mathiasen, M. Penny, M. Proft, S. Rahvar, S. Ricci, D. Sahu, K. Scarpetta, G. Schafer, S. Schonebeck, F. Snodgrass, C. Southworth, J. Surdej, J. Wambsganss, J. Street, R. Horne, K. Bramich, D. Steele, I. Albrow, M. Bachelet, E. Batista, V. Beatty, T. Beaulieu, J. Bennett, C. Bowens-Rubin, R. Brillant, S. Caldwell, J. Cassan, A. Cole, A. Corrales, E. Coutures, C. Dieters, S. Dominis Prester, D. Donatowicz, J. Fouque, P. Henderson, C. Kubas, D. Marquette, J. Martin, R. Menzies, J. Shappee, B. Williams, Andrew van Saders, J. Zub, M. MOA-2010-BLG-523: "failed planet" = RS CVn STAR
title	MOA-2010-BLG-523: "failed planet" = RS CVn STAR
title_full	MOA-2010-BLG-523: "failed planet" = RS CVn STAR
title_fullStr	MOA-2010-BLG-523: "failed planet" = RS CVn STAR
title_full_unstemmed	MOA-2010-BLG-523: "failed planet" = RS CVn STAR
title_short	MOA-2010-BLG-523: "failed planet" = RS CVn STAR
title_sort	moa-2010-blg-523: "failed planet" = rs cvn star
topic	color figure gravitational lensing general - Online-only material micro – planetary systems – starspots – stars variables
url	http://hdl.handle.net/20.500.11937/31896

MOA-2010-BLG-523: "failed planet" = RS CVn STAR

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