|  2020  | 
    
     Thompson, I. B.; Udalski, A.; Dotter, A.; Rozyczka, M.;
     Schwarzenberg-Czerny, A.; Pych, W.; Beletsky, Y.; Burley, G. S.;
     Marshall, J. L.; McWilliam, A.; Morrell, N.; Osip, D.; Monson, A.;
     Persson, S. E.; Szymański, M. K.; Soszyński, I.; Poleski, R.;
     Ulaczyk, K.; Wyrzykowski, Ł.; Kozłowski, S. Mróz, P.; Pietrukowicz, P.;
     Skowron, J.
    "The Cluster AgeS Experiment (CASE) - VIII. Age and distance
    of the Globular Cluster 47 Tuc from the analysis of two detached
    eclipsing binaries"
 Monthly Notices of the Royal Astronomical Society, Volume 492, Issue 3,
    p.4254-4267
 ADS
 Erratum: Monthly Notices of the Royal Astronomical Society, Volume 494,
    Issue 1, pp.846-849
 ADS
 | 
|  | 
  |  2019  | 
    
    Kaluzny, J.; Rozyczka, M.; Thompson, I. B.; Narloch, W.; Mazur, B.;
    Pych, W.; Schwarzenberg-Czerny, A.
    "VizieR Online Data Catalog: Short NGC 3201 variable stars
    (Kaluzny+, 2016)"
 VizieR On-line Data Catalog: J/AcA/66/31. Originally published in:
    2016AcA....66...31K
 ADS
 | 
|  | 
  |  2018  | 
    
    Rozyczka, M.; Narloch, W.; Schwarzenberg-Czerny, A.; Thompson, I. B.;
    Poleski, R.; Pych, W."The Cluster AgeS Experiment (CASE). Variable Stars in the Field of the Globular Cluster M10"
 Acta Astronomica, vol 68, no 3, p. 237-258
 ADS
 
    Narloch, W.; Kaluzny, J.; Poleski, R.; Rozyczka, M.; Pych, W.;
    Thompson, I. B."A Ground-Based Proper Motion Study of 12 Nearby Globular Clusters"
 The RR Lyrae 2017 Conference. Revival of the Classical Pulsators: from
    Galactic Structure to Stellar Interior Diagnostics. Proceedings of the
    meeting held 17-21 September, 2017 in Niepołomice, Poland. Proceedings
    of the Polish Astronomical Society, Vol. 6. Edited by R. Smolec, K.
    Kinemuchi, and R.I. Anderson, ISBN 978-83-938279-9-2, pp.306-307
    
    ADS
 
    Rozyczka, M.; Thompson, I. B.; Narloch, W.; Pych, W.; Schwarzenberg, A."VizieR Online Data Catalog: NGC 362 variable V light curves
    (Rozyczka+, 2016)"
 VizieR On-line Data Catalog: J/AcA/66/307. Originally published in:
    2016AcA....66..307R
 ADS
 
    Rozyczka, M.; Narloch, W.; Pietrukowicz, P.; Thompson, I. B.; Pych, W.; Poleski, R."The Cluster AgeS Experiment (CASE). Detecting Aperiodic Photometric Variability with the Friends of Friends Algorithm"
 Acta Astronomica, vol 68, no 1, p. 63-78
 ADS
 | 
|  | 
  |  2017  | 
    
    Narloch, W.; Kaluzny, J.; Poleski, R.; Rozyczka, M.; Pych, W.;
    Thompson, I. B."A ground-based proper motion study of 12 nearby globular clusters"
 Monthly Notices of the Royal Astronomical Society,
    Volume 471, Issue 2, p.1446-1467
 ADS
 
    Rozyczka, M.; Thompson, I. B.; Pych, W.; Narloch, W.; Poleski, R.;
    Schwarzenberg-Czerny, A."The Cluster AgeS Experiment (CASE). Variable Stars in the Field
    of the Globular Cluster M22"
 Acta Astronomica, vol 67, no 3, p. 203-224
 Download:
    
    here
 
    Smolec, R.; Moskalik, P.; Kałużny, J.; Pych, W.; Różyczka, M.;
    Thompson, I. B."RR Lyrae stars in NGC 6362"
 Monthly Notices of the Royal Astronomical Society,
    Volume 467, Issue 2, p.2349-2366
 ADS
 | 
|  | 
  |  2016  | 
    
    Kaluzny, J.; Thompson, I. B.; Narloch, W.; Pych, W.; Rozyczka, M."Erratum: The Clusters AgeS Experiment (CASE).
    Variable Stars in the Field of the Globular Cluster M12"
 Acta Astronomica, vol 66, no 4, p. 481-481
 ADS
 
    Rozyczka, M.; Thompson, I. B.; Narloch, W.; Pych, W.;
    Schwarzenberg-Czerny, A. "The Clusters AgeS Experiment (CASE). Variable stars in the field
    of the globular cluster NGC 362"
 Acta Astronomica, vol 66, no 3, p. 307-332
 Download:
    
    here
 
    Kaluzny, J.; Rozyczka, M.; Thompson, I. B.; Narloch, W.; Mazur, B.;
    Pych, W.; Schwarzenberg-Czerny, A. "The Clusters AgeS Experiment (CASE). Variable Stars in the Field
    of the Globular Cluster NGC 3201"
 Acta Astronomica, vol 66, no 1, p. 31-53
 Download:
    
    here
 | 
|  | 
  |  2015  | 
    
    Kaluzny, J.; Thompson, I. B.; Dotter, A.; Rozyczka, M.;
    Schwarzenberg-Czerny, A.; Burley, G. S.; Mazur, B.; Rucinski, S. M. "The Cluster Ages Experiment (CASE). VII. Analysis of Two Eclipsing
    Binaries in the Globular Cluster NGC 6362"
 The Astronomical Journal, Volume 150, Issue 5, article id. 155, 10 pp.
 Download:
    
    here
 
    Kaluzny, J.; Thompson, I. B.; Narloch, W.; Pych, W.; Rozyczka, M."The Clusters AgeS Experiment (CASE). Variable Stars in the Field
    of the Globular Cluster M12"
 Acta Astronomica, vol 65, no 3, p. 267-282
 Download:
    
    here
 | 
|  | 
  |  2014  | 
    
    Kaluzny, J.; Thompson, I. B.; Rozyczka, M.; Pych, W.; Narloch, W."The Clusters AgeS Experiment (CASE). Variable Stars in the Field
    of the Globular Cluster NGC 6362"
 Acta Astronomica, vol 64, no 4, p. 309-322
 Download:
    
    here
 
    Rozyczka, M.; Kaluzny, J.; Thompson, I. B.; Dotter, A.; Pych, W.;
    Narloch, W. "The Clusters AgeS Experiment (CASE). Analysis of the Detached Eclipsing
    Binary V15 in the Metal-Rich Open Cluster NGC 6253"
 Acta Astronomica, vol 64, no 3, p. 233-246
 Download:
    here
 
    Kaluzny, J.; Rozyczka, M.; Pych, W.; Thompson, I. B. "The Clusters AgeS Experiment (CASE). Variable Stars in the Field of
    the Open Cluster NGC 6253"
 Acta Astronomica, vol 64, no 2, p. 77-88
 Download:
    here
 
    Kaluzny, J.; Thompson, I. B.; Dotter, A.; Rozyczka, M.; Pych, W.;
    Rucinski, S. M.; Burley, G. S. "The Clusters AgeS Experiment (CASE). VI. Analysis of Two Detached
    Eclipsing Binaries in the Globular Cluster M55"
 Acta Astronomica, vol 64, no 1, p. 11-26
 Download:
    
    here
 | 
|  | 
  |  2013  | 
    
    Kaluzny, J.; Thompson, I. B.; Rozyczka, M.; Dotter, A.; Krzeminski, W.;
    Pych, W.; Rucinski, S. M.; Burley, G. S.; Shectman, S. A. "The Cluster AgeS Experiment (CASE). V. Analysis of Three Eclipsing Binaries in the Globular Cluster M4"
 The Astronomical Journal, Volume 145, Issue 2, article id. 43, 13 pp.
 ADS
 Rozyczka, M.; Pietrukowicz, P.; Kaluzny, J.; Pych, W.; Angeloni, R.;
    Dékány, I."Absolute parameters of AE For - a highly active detached binary
    of late K type"
 Monthly Notices of the Royal Astronomical Society, Volume 429, Issue 2,
    p.1840-1846
 Download:
    
    here
 
 
    Rozyczka, M.; Kaluzny, J.; Thompson, I. B.; Rucinski, S. M.; Pych, W.;
    Krzeminski, W.
    "The Clusters AgeS Experiment (CASE): The Blue Straggler Star M55-V60
    Caught Amidst Rapid Mass Exchange"Acta Astronomica, vol 63, no 1, p. 67-78
 Download:  local copy  or from
    
    publisher archive
 
 
    Kaluzny, J.; Thompson, I. B.; Rozyczka, M.; Krzeminski, W."The Clusters AgeS Experiment (CASE): Variable Stars in the Globular
    Cluster M4"
 Acta Astronomica, vol 63, no 2, p. 181-201
 Download:  local copy  or from
    
    publisher archive
 
 
    Kaluzny, J.; Rozyczka, M.; Pych, W.; Krzeminski, W.; Zloczewski, K.; Narloch, W.; Thompson, I. B."The Clusters AgeS Experiment (CASE): Variable Stars
    in the Globular Cluster 47 Tucanae"
 Acta Astronomica, vol 63, no 3, p. 309-322
 Download:  local copy  or from
    
    publisher archive
 | 
|  | 
  |  2012  | 
    
    Rozyczka, M.; Kaluzny, J.; Pietrukowicz, P.; Pych, W.; Catelan, M.;
    Contreras, C."A VIMOS spectroscopy study of photometric variables and straggler
    candidates in omega Centauri"
 Astronomy and Astrophysics, Volume 537, id.A89
 Download:
    here
 
    Kaluzny, J.; Rozanska, A.; Rozyczka, M.; Krzeminski, W.;
    Thompson, Ian B."A Second Neutron Star in M4?"
 The Astrophysical Journal Letters, Volume 750, Issue 1,
    article id. L3
 Download:
    here
 
    Hełminiak, K. G.; Konacki, M.; Rozyczka, M.; Kaluzny, J.; Ratajczak, M.;
    Borkowski, J.; Sybilski, P.; Muterspaugh, M. W.; Reichart, D. E.;
    Ivarsen, K. M.; Haislip, J. B.; Crain, J. A.; Foster, A. C.;
    Nysewander, M. C.; LaCluyze, A. P. "Orbital and physical parameters of eclipsing binaries from
    the ASAS catalogue -
    IV. A 0.61 + 0.45 M_sun binary in a multiple system"
 Monthly Notices of the Royal Astronomical Society, Volume 425, Issue 2,
    pp. 1245-1256.
 Download:
    
    here
 
    Zloczewski, K."Analiza ruchów własnych gwiazd w polach bliskich gromad kulistych"
 PhD Thesis
 Download: here
 
    Zloczewski, K.; Kaluzny, J.; Rozyczka, M.; Krzeminski, W.; Mazur, B."A Proper Motion Study of the Globular Clusters M4, M12, M22, NGC 3201,
    NGC 6362 and NGC 6752"
 Acta Astronomica, vol 62, no 4, p. 357-375
 Download:
    
    here
 | 
|  | 
  |  2011  | 
    
    Zloczewski, K.; Kaluzny, J.; Thompson, I. B."A proper motion study of the globular cluster M55"
 Monthly Notices of the Royal Astronomical Society,
    Volume 414, Issue 4, pp. 3711-3718
 Download:
    
    here
 
    Rozyczka, M.; Kaluzny, J.; Pych, W.; Konacki, M.; Małek, K.;
    Mankiewicz, L.; Sokołowski, M.; Żarnecki, A. F."Absolute properties of BG Ind - a bright F3 system just leaving
    the main sequence"
 Monthly Notices of the Royal Astronomical Society,
    Volume 414, Issue 3, pp. 2479-2485
 Download:
    
    here
 | 
|  | 
  |  2010  | 
    
    Rozyczka, M.; Kaluzny, J.; Pietrukowicz, P.; Pych, W.; Catelan, M.;
    Contreras, C.; Thompson, I. B."A search for dormant binaries with degenerate components
    in omega Centauri and NGC 6397"
 Astronomy and Astrophysics, Volume 524, id.A78
 Download:
    
    here
 
    Kaluzny, J.; Thompson, I. B.; Krzeminski, W.; Zloczewski, K."The Cluster AgeS Experiment (CASE). Variable Stars
    in the Globular Cluster M55"
 Acta Astronomica, vol 60, no 3, p. 245-260
 Download:
    here
 
    Helminiak, Krzysztof; Konacki, M.; Kaluzny, J.; Rozyczka, M.;
    Zloczewski, K.; Ratajczak, M.; Muterspaugh, M. W.; Reichart, D. E.;
    Ivarsen, K. M.; Haislip, J. B.; Crain, A.; Foster, A. C.;
    Nysewander, M. C.; LaCluyze, A. P."Spectroscopic Survey of Detached Eclipsing Binaries
    from the ASAS Catalog"
 American Astronomical Society, AAS Meeting #216, #423.03
 Download:
    here
 
    Thompson, I. B.; Kaluzny, J.; Rucinski, S. M.; Krzeminski, W.; Pych, W.;
    Dotter, A.; Burley, G. S."The Cluster AgeS Experiment (CASE). IV. Analysis of the Eclipsing
    Binary V69 in the Globular Cluster 47 Tuc"
 The Astronomical Journal, Volume 139, Issue 2,
    pp. 329-341 (2010).
 Download:
    here
 | 
|  | 
  |  2009  | 
    
    Rozyczka, M.; Kaluzny, J.; Pietrukowicz, P.; Pych, W.; Mazur, B.;
    Catelan, M.; Thompson, I. B."A New Lower Main Sequence Eclipsing Binary with Detached Components"
 Acta Astronomica, vol 59, no 4, p. 385-401
 Download:
    here
 
    Kaluzny, J.; Rozyczka, M.; Thompson, I. B.; Zloczewski, K."An Unusual Eclipsing Blue Straggler V8-NGC 6752"
 Acta Astronomica, vol 59, no 4, p. 371-383
 Download:
    here
 
    Kaluzny, J.; Thompson, I. B."Variable Stars in the Globular Cluster NGC 6752"
 Acta Astronomica, vol 59, no 3, p. 273-289
 Download:
    here
 
    Dotter, Aaron; Kaluzny, Janusz; Thompson, Ian B."Globular cluster ages from main sequence fitting and detached,
    eclipsing binaries: The case of 47 Tuc"
 The Ages of Stars, Proceedings of the International Astronomical
    Union, IAU Symposium, Volume 258, p. 171-176
 Download:
    here
 
    Dotter, Aaron; Kaluzny, Janusz; Thompson, Ian"Globular Cluster Ages from Main Sequence Fitting and Detached,
    Eclipsing Binaries: The Case of 47 Tuc"
 eprint arXiv:0906.0605
 Download:
    here
 | 
|  | 
  |  2008  | 
    
    P. Pietrukowicz, J. Kaluzny, A. Schwarzenberg-Czerny, I.B. Thompson, W.
    Pych, W. Krzeminski, B. Mazur"Cluster AgeS Experiment (CASE): deficiency of observed dwarf novae
    in globular clusters "
 Monthly Notices of the Royal Astronomical Society,
    388, 1111
 Download:
    here
 
    J. Kaluzny, I.B. Thompson, S.M. Rucinski, W. Krzeminski"The Cluster Ages Experiment (case). III. Analysis of the Eccentric
    Eclipsing Binary V32 in the Globular Cluster NGC 6397"
 The Astronomical Journal, 136, 400
 Download:
    here
 
    K. Zloczewski, J. Kaluzny, and J. Hartman"Photometric Survey for Stellar Clusters in the Outer Part of M33"
 Acta Astronomica, 58, 23
 Download:
    here
 
    P. Pietrukowicz, J. Kaluzny"Paucity of Dwarf Novae in Globular Clusters"
 IAUS, 246, 371
 Download:
    here
 
    J. Kaluzny, I. Thompson"Variability of EHB Stars in the Globular Cluster NGC 6752"
 ASPC, 392, 55
 Download:
    here
 | 
|  | 
  |  2007  | 
    
    J. Kaluzny, I. B. Thompson, S. M. Rucinski, W. Pych, G. Stachowski,
    W. Krzeminski, G. S. Burley,"The Clusters Ages Experiment (CASE).
    II. The Eclipsing Blue Straggler OGLEGC 228 in the Globular Cluster
    47 Tuc"
 The Astronomical Journal, 134, 541
 Download:
    here
 
    J. Kaluzny, S. M. Rucinski, I. B.; Thompson, W. Pych, W. Krzeminski,"The Clusters Ages Experiment (CASE). I. V209 ω Cen:
    An Eclipsing Post-Common-Envelope Binary in the Globular Cluster
    ω Cen"
 The Astronomical Journal, 133, 2457
 Download:
    here
 | 
|  | 
  |  2006  | 
    
    J. Kaluzny, W. Krzeminski, I. B. Thompson, G. Stachowski,"Eclipsing Binaries in the Open Cluster NGC 2243 - I. Photometry"
 Acta Astronomica, 56, 51
 Download:
    here
 
    J. Kaluzny, W. Pych, S. M. Rucinski, I. B. Thompson,"Eclipsing Binaries in the Open Cluster NGC 2243.
    II. Absolute Properties of NV CMa"
 Acta Astronomica, 56, 237
 Download:
    here
 
    J. Kaluzny, I. B. Thompson, W. Krzeminski, A. Schwarzenberg-Czerny, "Photometric study of the variable star population
    in the globular cluster NGC 6397"
 MNRAS, 365, 548
 Download:
    here
 
    P. Pietrukowicz, T. Michalowski, W. Pych, J. Kaluzny, I. B. Thompson,"Brightness variation of the asteroid (35690) 1999 CT21"
 The Minor Planet Bulletin , 33, 80
 Download:
    here
 | 
|  | 
  |  2005  | 
    
    A. Olech, W. Dziembowski, A. Pamyatnykh, J. Kaluzny,
    W. Pych, A. Schwarzenberg-Czerny, I.B. Thompson,"Cluster Ages Experiment (CASE): SX Phe stars from
    the globular cluster Omega Centauri"
 MNRAS, 363, 40
 Download:
    here
 
    J. Kaluzny, P. Pietrukowicz, I.B. Thompson, W. Krzeminski,
    A. Schwarzenberg-Czerny, W. Pych, G. Stachowski,"Cluster Ages Experiment (CASE): Detection of a
    dwarf nova in the globular cluster M55"
 MNRAS, 359, 677
 Download:
    here
 
    P. Pietrukowicz, J. Kaluzny, I.B. Thompson,
    M. Jaroszynski, A. Schwarzenberg-Czerny, W. Krzeminski, W. Pych,"Cluster AgeS Experiment (CASE): Dwarf Novae and a
    Probable Microlensing Event in the Globular Cluster M22"
 Acta Astron., 55, 261
 Download:
    here
 
    P. Pietrukowicz, S. D. Kern, J. Kaluzny, W. Pych,
    I. Thompson, W. Krzeminski, A. Schwarzenberg-Czerny, B. Mazur,
    G. Stachowski, P. Schechter, J. Elliot, J. Kane, C. Thomas,"Minor Planet Observations [304 Las Campanas	Observatory]"
 Minor Planet Circular 54348, 6 (2005)
 | 
|  | 
  |  2004  | 
    
    J. Kaluzny, A. Olech, I.B.Thompson, W. Krzeminski,
    A. Schwarzenberg-Czerny,"Cluster AgeS Experiment Catalog of variable stars in
    the globular cluster Omega Centauri"
 Astron. Astrophys., 424, 1101
 Download:
    here
 | 
|  | 
  |  2003  | 
    
    A. Olech, J. Kaluzny, I.B.Thompson, A. Schwarzenberg-Czerny,"Cluster AgeS Experiment (CASE): RR Lyrae stars from
    the globular cluster Omega Centauri as standard candles"
 MNRAS, 345, 86
 Download:
    here
 
    J. Kaluzny, I.B. Thompson, "Time Series Photometry of Variable Stars in the
    Globular Cluster NGC 6397",
 AJ, 125, 2534
 Download:
    here
 
    J. Kaluzny, S.M. Rucinski, I.B. Thompson,"Photometry and Spectroscopy of the Optical
    Companion to the Pulsar PSR J1740-5340 in the Globular Cluster
    NGC 6397",
 AJ, 125, 1546
 Download:
    here
 
    B. Mazur, W. Krzeminski, I.B. Thompson,"Variable stars in the globular cluster NGC 3201 -
    I. Multimode SX Phe type variables",
 MNRAS, 340, 1205
 Download:
    here
 | 
|  | 
  |  2002  | 
    
    B. Mochejska, J. Kaluzny, I.B.Thompson, W. Pych,"Cluster AgeS Experiment (CASE): Hot Subdwarfs and
    Luminous White Dwarf Candidates in the Field ofthe Globular Cluster M4"
 AJ, 124, 1486
 Download:
    here
 
    J. Kaluzny, I.B. Thompson, W. Krzeminski, A. Olech, W. Pych,
    B. Mochejska,"Photometry and Spectroscopy of Eclipsing Binaries
    in ω Centauri",
 Omega Centauri, A Unique Window into Astrophysics. ASP Conference
    Proceedings, Vol. 265.
    Edited by Floor van Leeuwen, Joanne D. Hughes, and Giampaolo Piotto,
    p. 155
 Download:
    here
 | 
|  | 
  |  2001  | 
    
    J. Kaluzny, I.B. Thompson"Cluster AgeS Experiment (CASE): New variable stars in
    the globular cluster M 22"
 A&A, 373, 899
 Download:
    here
 
    I.B. Thompson, J. Kaluzny, W. Pych, G. Burley,
    W. Krzeminski, B. Paczynski, S.E. Persson, G.W. Preston,"Cluster AgeS Experiment:
    The Age and Distance of the Globular Cluster ω Centauri
    Determined from Observations of the Eclipsing Binary OGLEGC 17",
 AJ, 121, 3089
 Download:
    here
 
    A. Olech, J. Kaluzny, I.B. Thompson,
    W. Pych, W. Krzeminski, A. Schwarzenberg-Czerny,"The Clusters AgeS Experiment (CASE): RR Lyrae
    variables in the globular cluster NGC 6362",
 MNRAS, 321, 421
 Download:
    here
 
    W. Pych, J. Kaluzny, W. Krzeminski, A. Schwarzenberg-Czerny,
    I.B. Thompson,"Cluster AgeS Experiment. CCD photometry
    of SX Phoenicis variables in the globular cluster M55",
 A&A, 367, 148
 Download:
    here
 | 
|  | 
  |  2000  | 
    
    J. Kaluzny, A. Olech,
    I.B. Thompson, W. Pych, W. Krzeminski, A. Schwarzenberg-Czerny,"RR Lyrae variables in the globular cluster M5"
 A&AS, 143, 215
 Download:
    here
 
    B. Mochejska, J. Kaluzny, I.B.Thompson, "Variable Stars in the Field of the Globular Cluster E3",
 Acta Astronomica, 50,105
 Download:
    here
 
    A. Olech, J. Kaluzny, I.B. Thompson, W. Pych, W.
    Krzeminski, A. Schwarzenberg-Czerny,"RR Lyrae Variables in the Globular Cluster M55. The
    First Evidence for Nonradial Pulsations in RR Lyr Stars"
 The Impact of Large-Scale Surveys on Pulsating Star Research, ASP
    Conference Series, Vol. 203, Edited by L. Szabados and D. Kurtz, p. 317
    Download:
    here
 
    J. Kaluzny,"Warsaw Variability Surveys",
 The Impact of Large-Scale Surveys on Pulsating Star Research,
    ASP Conference Series, Vol. 203, Edited by L. Szabadosand D.
    Kurtz, p. 19
 Download:
    here
 | 
|  | 
  |  1999  | 
    
    A. Olech, P.R. Wozniak, C. Alard, J. Kaluzny, I.B. Thompson, "Variable stars in the globular cluster M5:
    application of the image subtraction method"
 MNRAS, 310, 759
 Download:
    here
 
    J. Kaluzny, I.B. Thompson, W. Krzeminski, W. Pych"A photometric survey for variable stars in the
    globular cluster M5",
 A&A, 350, 469
 Download:
    here
 
    B. Mazur, J. Kaluzny, W. Krzeminski,"Variable stars in the globular cluster NGC 6362",
 MNRAS, 306, 727
 Download:
    here
 
    I.B. Thompson, J. Kaluzny, W. Pych, W. Krzeminski,"CCD Photometry of Faint Variable Stars in the Globular Cluster
    NGC 6752",
 AJ, 118, 462
 Download:
    here
 
    A. Olech, J. Kaluzny, I.B. Thompson, W. Pych, W.
    Krzeminski, A. Schwarzenberg-Czerny,"RR Lyrae Variables in the Globular Cluster M55. The
    First Evidence for Nonradial Pulsations in RR Lyr Stars",
 AJ, 118, 442
 Download:
    here
 |