Publications

The Araucaria Project. An improved distance to the Sculptor spiral galaxy NGC 300 from its Cepheid variables

2004, Astronomical Journal, 128, 1167

(with G. Pietrzynski, A. Walker, F. Bresolin, D. Minniti, R.-P. Kudritzki, A. Udalski, I. Soszynski, P. Fouque, J. Storm, G. Bono)

The transiting extrasolar giant planet around the star OGLE-TR-113

2004, Astrophysical Journal, 609, L37

(with M. Konacki, G. Torres, D. Sasselov, G. Pietrzynski, A. Udalski, S. Jha, M.T. Ruiz, D. Minniti)

The angular size of the Cepheid l Carinae: A comparison of the interferometric  and surface brightness techniques 

2004, Astrophysical Journal, 604, L113

(with P. Kervella, P. Fouqué, J. Storm, D. Bersier, D. Mourard, N. Nardetto,

 V. Coudé du Foresto)

The Araucaria Project. Variable stars outside the Local Group: NGC 300

2004, Monthly Notices RAS, 350, 679Monthly Notices RAS, in press

(with R. Mennickent, G. Pietrzynski)

The effect of metallicity on the Cepheid P-L relation from a Baade-Wesselink analysis of Cepheids in the

Galaxy and the Small Magellanic Cloud

2004, Astronomy & Astrophysics, 415, 531

(with J. Storm, B.W. Carney, P. Fouqué, A.M. Fry, D.W. Latham)

 BVRIJK light curves and radial velocity curves for selected Magellanic Cloud Cepheids

 2004, Astronomy & Astrophysics, 415, 521

 (with J. Storm, B.W. Carney, P. Fouqué, W.L. Freedman, B.F. Madore, M. Habgood)

On the photometric variability of blue supergiants in NGC 300 and its impact on the

Flux-weighted Gravity-Luminosity relationship

2004, Astrophysical Journal, 600, 182

(with F. Bresolin, G. Pietrzynski, R.P. Kudritzki, N. Przybilla, P. Fouqué)

GaBoDS: The Garching-Bonn Deep Survey. I. Anatomy of galaxy clusters in the

background of NGC 300

2003, Astronomy & Astrophysics, 407, 869

(with M. Schirmer, T. Erben, P. Schneider, G. Pietrzynski, A. Micol, F. Pierfederici)

The Araucaria Project. Dependence of mean K, J and I absolute magnitudes of red clump

stars on metallicity and age

2003, Astronomical Journal, 125, 2494

(with G. Pietrzynski, A. Udalski)

Quantitative spectral analysis of early B-type supergiants in the Sculptor galaxy NGC 300

2003, Astrophysical Journal, 584, L73

(with M.A. Urbaneja, A. Herrero, F. Bresolin, R.P. Kudritzki, J. Puls)

Calibration of the Cepheid distance scale

2003, in Stellar Candles for the Extragalactic Distance Scale, eds. D. Alloin, W. Gieren,

Lecture Notes in Physics, Vol. 635, Springer, p. 21

(with P. Fouqué, J. Storm)

The Galactic abundance gradient from Cepheids. IV. New results for the outer disc

2003, Astronomy & Astrophysics, 401, 939

(with R.E. Luck, S.M. Andrievsky, V.V. Kovtyukh, P. Fouqué, F. Pont, F. Kienzle)

Double-periodic blue variables in the Magellanic Clouds

2003, Astronomy & Astrophysics, 399, L47

(with R.E. Mennickent, G. Pietrzynski, M. Diaz)

The globular cluster system of NGC 1399. I. A wide-field photometric study

2003, Astronomical Journal, 125, 1908

(with B. Dirsch, T. Richtler, D. Geisler, L. Bassino, J.C. Forte)

Discovery and quantitative spectral analysis of an Ofpe/WN9 (WN11) star in the

Sculptor spiral galaxy NGC 300

2002, Astrophysical Journal, 577, L107

(with F. Bresolin, R.P. Kudritzki, F. Najarro, G. Pietrzynski)

Exploring halo substructure with giant stars. III. First results from the Grid Giant Star

Survey and discovery of a possible nearby Sagittarius tidal structure in Virgo

2002, Astrophysical Journal, 576, L125

(with A. Kundu, S.R. Majewski, J. Rhee, H.J. Rocha-Pinto, A.A. Polak, C.L. Slesnick,

W.E. Kunkel, K.V. Johnston, R.J. Patterson, D. Geisler, J. Seguel, V.V. Smith, C. Palma,

J. Arenas, J.D. Crane, C.B. Hummels)

The Araucaria Project: Deep near-infrared survey of nearby galaxies. I. The distance to

the Large Magellanic Cloud from K-band photometry of red clump stars

 2002, Astronomical Journal, 124, 2633

(with G. Pietrzynski)

The Araucaria Project. Discovery of Cepheid variables in NGC 300 from a wide-field

imaging survey

2002, Astronomical Journal, 123, 789

(with G. Pietrzynski, P. Fouqué, F. Pont)

On Be star candidates and possible blue pre-main sequence objects in the Small

Magellanic Cloud

2002, Astronomy & Astrophysics, 393, 887

(with R.E. Mennickent, G. Pietrzynski, O. Szewczyk)

Spectroscopy of blue supergiants in the spiral galaxy NGC 300

2002, Astrophysical Journal, 567, 277

(with F. Bresolin, R.P. Kudritzki, G. Pietrzynski, N. Przybilla)

Photometric standard stars in the BVI system in a wide field centered on the spiral

galaxy NGC 300

2002, Publ. Astron. Society of the Pacific, 114, 298

Determination of the distance to M 33 based on single-epoch I-band HST observations

of Cepheids

2002, Astrophysical Journal, 565, 959

(with M.G. Lee, M. Kim, A. Sarajedini, D. Geisler)

Improving the mass determination of Galactic Cepheids

2001, Astrophysical Journal, 563, 319

(with G. Bono, M. Marconi, P. Fouqué, F. Caputo)

Metallicity effects on classical Cepheids: velocity curve morphology of outer

disk Cepheids

2001, Astronomy & Astrophysics, 376, 892

(with F. Pont, F. Kienzle, P. Fouqué)

A catalog of OB associations in the spiral galaxy NGC 300

2001, Astronomy & Astrophysics, 371, 497

(with G. Pietrzynski, P. Fouqué, F. Pont)

On the pulsation mode identification of short-period Galactic Cepheids

 2001, Astrophysical Journal, 552, L141

The globular cluster system of the low-luminosity elliptical galaxy NGC 1427

2001, Astronomical Journal, 121, 1992

(with J.C. Forte, D. Geisler, P.G. Ostrov, A. Piatti)

A direct Cepheid distance to the Large Magellanic Cloud Cepheid HV 12198

from the infrared surface brightness technique

2000, Astrophysical Journal, 533, L107

(with J. Storm, P. Fouqué, R.E. Mennickent, M. Gómez)

Baade-Wesselink analysis of Magellanic Cloud Cepheids

2000, in IAU Coll. 176, The Impact of Large-Scale Surveys on Pulsating Star

Research, eds. L. Szabados, D.W. Kurtz, ASP Conference Series, Vol. 203, p. 145

(with J. Storm, B.W. Carney, P. Fouqué, A.M. Fry)

Cepheid variables in the LMC cluster NGC 1866. I. New BVRI CCD photometry

2000, Astrophysical Journal Supplements, 129, 111

(with M. Gómez, J. Storm, T.J. Moffett, L. Infante, T.G. Barnes, D. Geisler, P. Fouqué)

Age and metallicity for six LMC clusters and their surrounding field populations

2000, Astronomy & Astrophysics, 360, 133

(with B. Dirsch, T. Richtler, M. Hilker)

Improvement of Cepheids as distance indicators

2000, in From Extrasolar Planets to Cosmology: The VLT Opening Symposium, eds. J.

Bergeron, A. Renzini, ESO Astrophysics Symposia, Springer, p. 217

(with P. Fouqué, J. Storm)

Calibrating the Cepheid period-radius relation with Galactic and Magellanic Cloud

Cepheids

1999, Astrophysical Journal, 512, 553

(with T.J. Moffett, T.G. Barnes)

The dwarf nova RZ Leonis: Photometric period, anti-humps, and normal alpha-disk

1999, Astronomy & Astrophysics, 352, 239

(with R.E. Mennickent, C. Sterken, E. Unda)

Calibration of the Cepheid distance scale with the infrared surface brightness technique

1999, in IAU Symposium 190, New Views of the Magellanic Clouds, eds. Y.-H. Chu,

N.B. Suntzeff, J.E. Hesser, D.A. Bohlender, Astr. Society of the Pacific, p. 534

(with P. Fouqué)

Cepheid period-radius and period-luminosity relations and the distance to the LMC

1998, Astrophysical Journal, 496, 17

(with Fouqué, P., Gómez, M.)

Magellanic Cloud Cepheids: Abundances

1998, Astronomical Journal, 115, 605

(with R.E. Luck, T.J Moffett, T.G. Barnes)

BVRI photometry of Cepheids in the Magellanic Clouds

1998, Astrophysical Journal Supplements, 117, 135

(with T.J. Moffett, T.G. Barnes, M. Gómez)

Cepheid distances from a near-infrared surface brightness technique

1998, in Views on Distance Indicators, Mem. Societá Astronomica Italiana, 69, 1, p.89

(with P. Fouqué, M. Gómez)

Very accurate distances and radii of open cluster Cepheids from a near-infrared

surface brightness technique

1997, Astrophysical Journal, 488, 74

(with P. Fouqué, M. Gómez)

An improved calibration of Cepheid visual and infrared surface brightness relations

from accurate angular diameter measurements of cool giants and supergiants

1997, Astronomy & Astrophysics, 320, 799

(with P. Fouqué)

Independent distance determinations to Milky Way Cepheids in open clusters

and associations. III. CV Mon in Anon van den Bergh

1996, Astronomical Journal, 111, 2059

(with J.C. Mermilliod, J.M. Matthews, D.L. Welch)

Independent distance determinations to Milky Way Cepheids in open clusters

and associations. II. CF Cas in NGC 7790

1995, Astronomical Journal, 110, 2280

(with J.M. Matthews, J.C. Mermilliod, D.L. Welch)

Metallicities in the Magellanic Clouds from Stroemgren photometry. The globular

clusters NGC 1866 (LMC) and NGC 330 (SMC)

1995, Astronomy & Astrophysics, 294, 648

(with M. Hilker, T. Richtler)

The distance to the LMC cluster NGC 1866 from its Cepheid members

1994, Astrophysical Journal, 433, L73

(with T. Richtler, M. Hilker)

Independent distance determinations to Milky Way Cepheids in open clusters

and associations. I. The binary Cepheid DL Cas in NGC 129

1994, Astronomical Journal, 107, 2083

(with D.L. Welch, J.C. Mermilliod, J.M. Matthews, G. Hertling)

Surface brightness distance determinations to the Large Magellanic Cloud Cepheid

variables HV 899 and HV 2257

1993, Monthly Notices RAS, 265, 184

The Cepheid period-luminosity relation from independent distances of 100 Galactic

variables

1993, Astrophysical Journal, 418, 135

(with T.G. Barnes, T.J. Moffett)

A comparison of the open cluster and surface brightness distance scales for Galactic

classical Cepheids

 1993, Astronomical Journal, 106, 734

(with P. Fouqué)

On the difficulty to determine the colour term in the Cepheid PLC relation

1993, Astronomy & Astrophysics, 275, 213

 (with P. Fouqué)

A distance to the Cepheid HV 829 in the Small Magellanic Cloud

1993, Astrophysical Journal, 405, L51

 (with T.G. Barnes, T.J. Moffett)

Calibration of the Cepheid distance scale

1993, IAU Colloquium 139, New Perspectives on Stellar Pulsation and Pulsating

variable stars, Cambridge University Press, p.72

(with P. Fouqué)

Reexamining  the beat Cepheid TU Cas: No second overtone, no mode switching

1992, Astronomical Journal, 104, 748

(with J.M. Matthews, D.J. Fernie, N. Dinshaw)

On the binary status of the Cepheid SV Persei

1992, Astronomy & Astrophysics, 253, 126

(with E. Brieva)

The short-period Cepheid EU Tau. II. Physical properties of the star

1990, Astronomical Journal, 99, 1196

(with T.J. Moffett, T.G. Barnes, J.M. Matthews, M.L. Frueh)

The short-period Cepheid EU Tau. I. New photometric and radial velocity data

1989, Astronomical Journal, 98, 1672

(with J.M. Matthews, T.J. Moffett, T.G. Barnes, M.L. Frueh, L. Szabados)

Towards a reconciliation of Cepheid masses

 1989, Astronomy & Astrophysics, 225, 381

Improved orbital parameters for the binary Cepheid T Monocerotis

1989, Astronomy & Astrophysics, 216, 135

The period-radius relation for classical Cepheids from the visual surface brightness

 technique

1989, Astrophysical Journal, 342, 467

(with T.G. Barnes, T.J. Moffett)

The spectroscopic binary nature of the Cepheid Z Lacertae

1989, Publ. Astron. Society of the Pacific, 101, 160

Measurements of IAU radial velocity standards from fiber-fed spectra

1988, Publ. Astron. Society of the Pacific, 100, 1008

(with J.M. Matthews)

A note on several Galactic Cepheids in open clusters and associations

1988, Publ. Astron. Society of the Pacific, 100, 262

The Galactic Cepheid period-luminosity relation from the visual surface brightness

method

1988, Astrophysical Journal, 329, 790

A frequency analysis of the Cepheid EU Tauri

1987, Astronomical Journal, 94, 431

(with J.M. Matthews)

Cepheid radii and masses from the surface brightness method

1986, Monthly Notices RAS, 222, 251

The luminosity scale of Galactic Cepheids from surface brightnesses

1986, Astrophysical Journal, 306, 25

A photometric and radial velocity study of six southern Cepheids: II. Binarity, radii,

luminosities and masses

1986, Astrophysical Journal, 303, 273

(with I.M. Coulson, J.A.R. Caldwell)

Physical properties of the Cepheids RT Aurigae and SZ Tauri

1985, Astronomy & Astrophysics, 148, 138

A search for more Cepheid binaries

1985, Astrophysical Journal, 295, 507

A photometric and radial velocity study of six southern Cepheids: I. The data

1985, Astrophysical Journal Supplements, 57, 595

(with I.M. Coulson, J.A.R. Caldwell)

Surface brightness radii, distances and absolute magnitudes of classical Cepheids

1984, Astrophysical Journal, 282, 650

Increased evidence for excited-mode pulsation in Galactic Cepheids: SU Cassiopeiae

1982, Publ. Astron. Society of the Pacific, 94, 960

A simultaneous photometric and radial velocity study of short-period southern Cepheids.

IV. Radii and masses

1982, Astrophysical Journal, 260, 208

A simultaneous photometric and radial velocity study of short-period southern Cepheids.

III. An analysis for binaries

1982, Astrophysical Journal Suppl., 49, 1

A search for binaries among southern Cepheids

1981, Rev. Mexicana Astr. Ap., 6, 103

A simultaneous photometric and radial velocity study of short-period southern Cepheids.

II. The photometry

1981, Astrophysical Journal Suppl., 47, 315

A simultaneous photometric and radial velocity study of short-period southern Cepheids.

I. The radial velocities

1981, Astrophysical Journal Suppl., 46, 287

AH Velorum-another classical Cepheid with a blue companion

1980, Publ. Astron. Society of the Pacific, 92, 484

Radius, luminosity and pulsation mode of the Cepheid AH Vel

1980, Astronomy & Astrophysics Suppl., 39, 153

A radial velocity study of the Cepheid AH Velorum

1977, Astronomy & Astrophysics Suppl., 28, 193

A detailed photometric and spectroscopic study of the short-period classical Cepheid

SU Cas

1976, Astronomy & Astrophysics, 47, 211

Three-colour photoelectric photometry of the RR Lyrae star YZ Bootis

1974, Astronomy & Astrophysics, 37, 443

(with F.Gieseking, M. Hoffmann)