Search Results - "Vrba, F. J."

Accretion Disk Size and Updated Time-delay Measurements in the Gravitationally Lensed Quasar SDSS J165043.44+425149.3 by Rivera, A. B., Morgan, C. W., Florence, S. M., Kniezewski, K., Millon, M., Courbin, F., Dahm, S. E., Vrba, F. J., Tilleman, T. M., Cornachione, M. A., Asfandiyarov, I. M., Ehgamberdiev, S. A., Burkhonov, O. A.

“…We analyze variability in 15-season optical lightcurves from the doubly imaged lensed quasar SDSS J165043.44+425149.3 (SDSS1650), comprising five seasons of…”
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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…”
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Periodic Bursts of Coherent Radio Emission from an Ultracool Dwarf by Hallinan, G, Bourke, S, Lane, C, Antonova, A, Zavala, R. T, Brisken, W. F, Boyle, R. P, Vrba, F. J, Doyle, J. G, Golden, A

“…We report the detection of periodic (p= 1.96 hr) bursts of extremely bright, 100% circularly polarized, coherent radio emission from the M9 dwarf TVLM…”
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YSOVAR: SIX PRE-MAIN-SEQUENCE ECLIPSING BINARIES IN THE ORION NEBULA CLUSTER by MORALES-CALDERON, M, STAUFFER, J. R, GUTERMUTH, R, SONG, I, PLAVCHAN, P, CARPENTER, J. M, MARCHIS, F, GARCIA, E. V, MARGHEIM, S, LUHMAN, K. L, ANGIONE, J, IRWIN, J. M, STASSUN, K. G, VRBA, F. J, PRATO, L, HILLENBRAND, L. A, TEREBEY, S, COVEY, K. R, REBULL, L. M, TERNDRUP, D. M

“…Eclipsing binaries (EBs) provide critical laboratories for empirically testing predictions of theoretical models of stellar structure and evolution…”
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Spitzer Observations of IC 2118 by Guieu, S, Rebull, L. M, Stauffer, J. R, Vrba, F. J, Noriega-Crespo, A, Spuck, T, Roelofsen Moody, T, Sepulveda, B, Weehler, C, Maranto, A, Cole, D. M, Flagey, N, Laher, R, Penprase, B, Ramirez, S, Stolovy, S

“…IC 2118, also known as the Witch Head Nebula, is a wispy, roughly cometary, {approx}5 degree long reflection nebula, and is thought to be a site of triggered…”
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Rotational Modulation of M/L Dwarfs due to Magnetic Spots by Lane, C, Hallinan, G, Zavala, R. T, Butler, R. F, Boyle, R. P, Bourke, S, Antonova, A, Doyle, J. G, Vrba, F. J, Golden, A

“…We find periodic I-band variability in two ultracool dwarfs, TVLM 513-46546 and 2MASS J00361617+1821104, on either side of the M/L dwarf boundary. Both of…”
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Discovery and Evolution of an Unusual Luminous Variable Star in NGC 3432 (Supernova 2000ch) by Wagner, R. M., Vrba, F. J., Henden, A. A., Canzian, B., Luginbuhl, C. B., Filippenko, A. V., Chornock, R., Li, W., Coil, A. L., Schmidt, G. D., Smith, P. S., Starrfield, S., Klose, S., Tichá, J., Tichý, M., Gorosabel, J., Hudec, R., Simon, V.

“…We present photometric and spectroscopic observations of SN 2000ch, an unusual and extremely luminous variable star located in the galaxy NGC 3432. The object…”
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A Near-Infrared Survey of the N49 Region around the Soft Gamma Repeater SGR 0526–66 by Klose, S, Henden, A. A, Geppert, U, Greiner, J, Guetter, H. H, Hartmann, D. H, Kouveliotou, C, Luginbuhl, C. B, Stecklum, B, Vrba, F. J

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Infrared Excess in the Be Star δ Scorpii by Halonen, R. J., Jones, C. E., Sigut, T. A. A., Zavala, R. T., Tycner, C., Levine, S. E., Luginbuhl, C. B., Vlieg, N., Vrba, F. J.

“…We present infrared photometric observations of the Be binary system δ Scorpii obtained in 2006. TheJ,H, andKmagnitudes are the same within the errors compared…”
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The Very Faint K-Band Afterglow of GRB 020819 and the Dust Extinction Hypothesis of the Dark Bursts by Klose, S, Henden, A. A, Greiner, J, Hartmann, D. H, Cardiel, N, Castro-Tirado, A. J, Cerón, J. M. Castro, Gallego, J, Gorosabel, J, Stecklum, B, Tanvir, N, Thiele, U, Vrba, F. J, Zeh, A

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Water Masers in Orion by Gaume, R. A, Wilson, T. L, Vrba, F. J, Johnston, K. J, Schmid-Burgk, J

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The Optical/IR Counterpart of the 1998 July 3 Gamma-Ray Burst and Its Evolution by Castro-Tirado, A. J, Zapatero-Osorio, M. R, Gorosabel, J, Greiner, J, Heidt, J, Herranz, D, Kemp, S. N, Martínez-González, E, Oscoz, A, Ortega, V, Röser, H.-J, Wolf, C, Pedersen, H, Jaunsen, A. O, Korhonen, H, Ilyin, I, Duemmler, R, Andersen, M. I, Hjorth, J, Henden, A. A, Vrba, F. J, Fried, J. W, Frontera, F, Nicastro, L

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The Optical Afterglow Light Curve of GRB 980519 by Vrba, F. J, Henden, A. A, Canzian, B, Levine, S. E, Luginbuhl, C. B, Guetter, H. H, Munn, J. A, Hartmann, D. H, Jennings, M. C

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Seven-Color Photometry and Classification of Stars in the Direction of Open Cluster M29 (NGC 6913) in Cygnus by Milašius K., Boyle R. P., Vrba F. J., Janusz R., Straižys V., Černis K., Laugalys V., Zdanavičius K., Zdanavičius J., Kazlauskas A., Smilgys R.

“…Magnitudes and color indices in the Vilnius seven-color system were determined for 1752 stars down to V = 19.5 mag in the direction of the open cluster M29…”
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Overlapping Open Clusters NGC 1750 and NGC 1758 behind the Taurus Dark Clouds. II. CCD Photometry in the Vilnius System by Straižys V., Kazlauskas A., Černiauskas A., Boyle R. P., Vrba F. J., Philip A. G. Davis, Laugalys V., Černis K., Smriglio F.

“…Seven-color photometry in the Vilnius system has been obtained for 420 stars down to V = 16 mag in the area containing the overlapping open clusters NGC 1750…”
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CCD Photometry of the Open Cluster Tombaugh 5 in the Vilnius System by Zdanavičius J., Vrba F. J., Zdanavičius K., Straižys V., Boyle R. P.

“…We present the results of eight-color CCD photometry of 674 stars in the direction of the open cluster Tombaugh 5 in Camelopardalis. The stars are observed in…”
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ROSAT Position of GRO J1744–28 and Search for Its Near-Infrared Counterpart by Augusteijn, T, Greiner, J, Kouveliotou, C, van Paradijs, J, Lidman, C, Blanco, P, Fishman, G. J, Briggs, M. S, Kommers, J, Rutledge, R, Lewin, W. H. G, Henden, A. A, Luginbuhl, C. B, Vrba, F. J, Hurley, K

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Multicolor CCD Photometry of the Open Cluster IC 361 by Zdanavičius J., Bartašiūtė S., Boyle R. P., Vrba F. J., Zdanavičius K.

“…CCD photometry in the eight-color Vilnius + I system for 7250 stars down to I =19.6 mag has been obtained in the 20′ × 26′ field of the open cluster IC 361 in…”
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K band monitoring of GRS 1915+105 during 1999-2000 by Greiner, J, Vrba, F J, Henden, A A, Guetter, H H, Luginbuhl, C B

“…We report on long-term K band photometry of the galactic microquasar GRS 1915+105 since March 1999. We see variations of more than 1 mag,which are seemingly…”
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CCD photometry of the M 67 cluster in the Vilnius photometric system by Boyle R. P., Kazlauskas A., Vansevičius V., Straižys V., Vrba F. J., Sūdžius J., Smriglio F.

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