Gravitational Lenses

• "QSO 2237+0305 VR light curves from Gravitational Lenses International Time Project optical monitoring"

  D. Alcalde, E. Mediavilla, O. Moreau, J. A. Munoz, C. Libbrecht, L. J. Goicoechea, J. Surdej, E. Puga, Y. De Rop, R. Barrena, R. Gil-Merino, B. A. McLeod, V. Motta, A. Oscoz, M. Serra-Ricart: 2002, Astron. Astrophys., submitted

• "Study of CCD mosaic configurations for the ILMT astrometry and photometry of point sources in the absence of a TDI corrector"

  Vangeyte, B., Manfroid, J., Surdej, J.: 2002, Astron. Astrophys. 388, 712-731

• "A NICMOS search for multiple imaging by damped Ly-alpha absorbers"

  Smette, A., Claeskens, J.-F., Surdej, J., Le Brun, V.: 2001, Ap.J., in preparation

• "Optimal extraction of multiple overlapping spectra using a maximum entropy algorithm"

  Khmil, S.V., Surdej, J.: 2002, Astron. Astrophys. 387, 347-355

• "A new maximum entropy algorithm for extraction of overlapping spectra"

  Khmil, S.V., Surdej, J.: 2001, JENAM conference 2001 in Munich, abstract published in Gesellshaft Abstract Series No. 18, 2001, p. 48.

• "Close pairs of quasi stellar objects with differen redshifts : new results"

  Sluse, D., Surdej, J., Claeskens, Y. De Rop, J.-F., Y., Lee, D.-W., Iovino, A., Hawkins, M.: 2001, Astron. Astrophys. submitted

• "Quasar pairs with arcminute angular separations"

  Zhdanov, V., Surdej, J.: 2001, Astron. Astrophys. 372, 1-7

• "Gravitational Lensing in Quasar Samples"

  Claeskens, J.-F., Surdej, J.: 2002, Astron. Astrophys. Rev. 10 (4), 263-311

• "Microlensing observations with the 4-m International Liquid Mirror Telescope (ILMT)"

  Claeskens, J.-F., Jean, C., Surdej, J.: 2001, to appear in the proceedings of the Conference Microlensing 2000: A New Era of Microlensing Astrophysics ASP Conference Series, Eds. Menzies, J.W., Sackett, P.D.

• "HST and ground-based observations of the gravitational lens Q1009-025 A & B"

  Claeskens, J.-F., Khmil, S., Lee D.W., Sluse, D., Surdej, J.: 2001, Astron. & Astrophys., 367, 748-758

• "The XMM Large Scale Structure Survey and its multi-lambda follow-up "

  Pierre, M., Alloin, D., Altieri, B., Birkinshaw, M., Bremer, M., Böhringer, H., Hjorth, J., Jones, L., Le Fèvre, O., Maccagni, D., McBreen, B., Mellier, Y., Molinari, E., Quintana, H., Rottgering, H., Surdej, J., Vigroux, L., White, S., Lonsdale, C.: 2001, The Messenger, 105, 32-36

• "Optimal extraction of multiple overlapping spectra: a new algorithm based on the maximum entropy method "

  Khmil, S., Surdej, J.: 2001, Proceedings of the International Conference "Astronomy in Ukraine-2000 and beyond" (Kyiv, Ukraine, 5-8 June 2000), Supplement Series of the "Kinematics and Physics of Celestial Bodies", No 3, in press

• "Determination of the mass of nearby stars from astrometric microlensing observations"

  Dib, S., Surdej, J., Claeskens, J.-F.: 2001, to be published in the proceedings of the 36th Liège International Astrophysical Colloquium:"From optical to millimetric interferometry, scientific and technological challenges", organized on 2-5 July, 2001 in Liège (Belgium)

• "Extent of Lyman-alpha complexes from HST observations of four pairs of quasars"

  Aracil, B., Petitjean, P., Smette, A., Surdej, J., Mücket, J., Cristiani, S.: 2001, to be published in the Proceedings of the 17th IAP Colloquium "Gaseous matter in galaxies and intergalactic space. Observational and theoretical results, with special emphasis on new data from FUSE, HST and VLT"

• "QSO colors in the proposed GAIA photometric systems"

  Claeskens, J.-F., Royer, P., Surdej, J.: 2001, in press, "GAIA Workshop in Copenhagen, March 2001", disponible sur le site de l'ESA : http://astro.estec.esa.nl/llink/livelink

• "The GL bibliography and an interactive database"

  Pospieszalska-Surdej, A., Surdej, J., Detal, A., Jean, C.: 2001, Astron. Soc. of the Pac. Conf. Series 237, 55-56, proceedings of the Conference 'Gravitational lensing: recent progress and future goals', Boston University 1999, eds. T.G. Brainerd and C.S. Kochanek

• "Gravitational lensing studies with the 4-m International Liquid Mirror Telescope (ILMT)"

  Jean, C., Claeskens, J.-F., Surdej, J.: 2001, Astron. Soc. of the Pac. Conf. Series 237, 423-424, proceedings of the Conference "Gravitational lensing: recent progress and future goals", Boston University 1999, eds. T.G. Brainerd and C.S. Kochanek

• "Surveys with the 4m International Liquid Mirror Telescope"

  Poels, J., Moreau, O., Manfroid, J., Surdej, J., Borra, E., Claeskens, J.-F., Jean, C., Montfort, F., Moreau, O., Nakos, Th., Swings, J.-P., van Dessel, E., Vangeyte, B. et al.: 2001, poster presented during the MPA/ESO/MPE Joint Astronomy Conference ``Mining the Sky'' (July 31 - August 4, 2000) organized in Garching (Germany), Eds. A.J. Banday, S. Zaroubi, M. Bartelmann, pp. 598-600.

• "The 4-m International Liquid Mirror Telescope Project (ILMT)"

  Poels, J., Borra, E., Claeskens, J.-F., Jean, C., Manfroid, J., Montfort, F., Moreau, O., Nakos, Th., Surdej, J., Swings, J.-P., van Dessel, E., Vangeyte, B.: 2001, poster presented during the Astronomical Data Analysis Software & Systems X Conference organised on November 12-15, 2000 in Boston (USA), Eds. Harnden F.R., Jr., Primini, F.A., Payne, H.E., pp. 97-100.

• "Weighing nearby stars with GAIA?"

  Dib, S., Surdej, J., Claeskens, J.-F.: 2001, poster, to be published in the proceedings of the European Meeting "Census of the galaxy: challenges for photometry and spectrometry with GAIA", organized on 2-6 July, 2001 in Vilnius (Lithuania)

• "Les mirages gravitationnels (IV)"

  Surdej, J., Surdej, A., Lausberg, A.: 2001, Le Ciel (Bulletin de la Société Astronomique de Liège), 63, 21-26

• "Les mirages gravitationnels (III)"

  Surdej, J., Surdej, A., Lausberg, A.: 2000, Le Ciel (Bulletin de la Société Astronomique de Liège), 62, 311-318

• "Les mirages gravitationnels (II)"

  Surdej, J., Surdej, A., Lausberg, A.: 2000, Le Ciel (Bulletin de la Société Astronomique de Liège), 62, 282-286

• "Les mirages gravitationnels"

  Surdej, J., Surdej, A., Lausberg, A.: 2000, Le Ciel (Bulletin de la Société Astronomique de Liège), 62, 199-201

• "Gravitational Lensing"

  Surdej, J., Claeskens, J.-F.: 2000, chapter for the book "The Century of Space Science", Eds. J. Bleeker, J. Geiss & M.C.E. Huber, Kluwer Academic Publishers, in press

• "The relevance of HST observations for studies of quasars, gravitational lenses and intervening gas clouds"

  Surdej, J., Claeskens, J.-F., Jean, C., Lee, D.-W., Pospieszalska-Surdej, A., Remy, M., Sluse, D., Smette, A., Swings, J.-P.: 2000, 'Space Sciences', Vol. ?, Part ?: Space Scientific Research in Belgium, Ed. by the Federal Office for Scientific, Technical and Cultural Affairs, in press

• "Microlensing observations with the 4-m International Liquid Mirror Telescope (ILMT)"

  Claeskens, J.-F., Jean, C., Surdej, J.: 2000, to appear in the proceddings of the Conference "Microlensing 2000: A New Era of Microlensing Astrophysics", ASP Conference Series, Vol. 000, 2000, Eds. Menzies, J.W., Sackett, P.D.

• " Lensing properties of 7 damped Ly-alpha absorbing galaxy-QSO pairs"

  Le Brun, V., Smette, A., Surdej, J., Claeskens, J.-F.: 2000, Astron. Astrophys. 363, 837-842.

• "QSO mass constraints from gravitational lensing studies of quasar pairs: the cases of Q1548+114 A & B and Q1148+0055 A & B"

  Claeskens, J.-F., Lee, D.-W., Remy, M., Sluse, D., Surdej, J.: 2000, Astron. & Astrophys. 356, 840

• "The ILMT (International Liquid Mirror Telescope) and monitoring of gravitational lenses"

  van Dessel, E., Sinachopoulos, D., Nakos, T., Surdej, J.: 2000, to appear in the proceedings of the SAMOS conference ...

• Gravitational lens studies with the 4m International Liquid Mirror Telescope (ILMT)

  Surdej, J.: 2000, invited talk presented during the 2nd Princeton-Pontificia Universidad Catolica Workshop entitled "Dark Matter and Gravitational Lensing", organized on 21-24 July 2000 in San Pedro de Atacama (Chile)

• "Gravitational lensing studies with the 4-m International Liquid Mirror Telescope (ILMT)"

  Jean, C., Claeskens, J.-F., Surdej, J.: 1999, to appear in the proceddings of the Conference "Gravitational lensing: recent progress and future goals", Boston University 1999, eds. T.G. Brainerd and C.S. Kochanek

• "The GL bibliography and an interactive database"

  Pospieszalska-Surdej, A., Surdej, J., Detal, A., Jean, C.: 1999, to appear in the proceddings of the Conference "Gravitational lensing: recent progress and future goals", Boston University 1999, eds. T.G. Brainerd and C.S. Kochanek

• "Gravitational Lensing by a Wine Glass"

  Surdej, J.: 1999, in the journal "The Universe in the Classroom", published by the Astronomical Society of the Pacific, 46 (Second Quarter 1999), 5

• "Surveys with a 4-m Liquid Mirror Telescope"

  Jean, C., Claeskens, J.-F., Surdej, J.: 1999, in the proceedings of the ESO/Australia workshop "Looking deep in the Southern Sky'', Sydney (Australia) 10-12 December 1997, eds. R. Morganti, W. Couch, pp. 89-90

• "The International 4-m Liquid Mirror Telescope Project"

  Surdej, J.: 1999, European Astronomical Society Newsletter 17, 3-5

• "Gravitational lensing by damped Ly-alpha absorbers"

  A.Smette, J.-F.Claeskens, and J.Surdej, in "Highly Redshifted Radio Lines", Proceedings of a Conference held in Green Bank, WV, USA, October 9-11, 1997; Edited by C.L. Carilli, S.J.E. Radford, K.M. Menten, and G.I. Langston, 1999, ASP Conf. Series Vol. 156, p. 147-151.

• "Photometric monitoring of multiply imaged quasars with a LMT"

  Surdej, J., Claeskens, J.-F., Jean, C.: 1998, invited paper presented during the Oslo workshop "Gravitatiomal lensing", 10-12 June 1998

• "Concluding remarks on the Oslo workshop "Gravitational lensing""

  Surdej, J.: 1998, talk presented during the Oslo workshop "Gravitatiomal lensing", 10-12 June 1998

• "Determination of the redshift of an invisible lens based upon the observed reddening of multiply imaged quasars"

  Jean, C., Surdej, J.: 1998, paper presented during the Oslo workshop "Gravitatiomal lensing", 10-12 June 1998

• "Spatial distribution of the Ly-alpha forest"

  Petitjean, P., Surdej, J., Remy, M., Smette, A., Mucket, J., Shaver, P.: 1998, in the proceedings of the Rome conference on "The Young Universe: Galaxy Formation and Evolution at Intermediate and High Redshift", eds. S. D'Odorico, A. Fontana, and E. Giallongo, ASP Conference Series, Vol.146, p. 383

• "Damped Ly-alpha absorbers and gravitational lensing"

  Smette, A., Claeskens, J.-F., Surdej, J.: 1998, in the proceedings of the "Structure et Evolution du Milieu Inter-Galactique Révélé par les Raies D'Absorption dans le Spectre des Quasars", 13th Colloque d'Astrophysique de l'Institut d'Astrophysique de Paris, 1-5 Juillet 1997, Paris. Ed. Patrick Petitjean and Stephane Charlot, pp. 313-316.

• "Gravitational lensing by damped Ly-alpha absorbers"

  Smette, A., Claeskens, J.-F., Surdej, J.: 1998, in the proceedings of the Green Bank conference "Highly Redshifted Radio Lines", Ed. by C. L. Carilli, S. J. E. Radford, K. M. Menten, G. I. Langston, ASP Conf. Series Vol. {\bf 156}, pp. 147-151.

• "WFPC2 PSF subtractions"

  Baggett, S., Remy, M., Surdej, J., Wiggs, M.: 1998, in the abstracts of Bulletin of the American Astronomical Society (meeting held in January 1998, Washington DC, USA), 191, #41.08.

• "Concluding remarks on the Oslo workshop "Gravitational lensing"

  Surdej, J.: 1998, talk presented during the Oslo workshop "`Gravitatiomal lensing'', 10-12 June 1998

• "Determination of the redshift of an invisible lens based upon the observed reddening of multiply imaged quasars"

  Jean, C., Surdej, J.: 1998, paper presented during the Oslo workshop "Gravitatiomal lensing'", 10-12 June 1998

• "HST observations of the QSO pair Q1026-0045 A,B"

  Petitjean, P., Surdej, J., Smette, A., Shaver, P., Mucket, J., Remy, M.: 1998, Astron. & Astrophys. Letters 334, L45-L48

• "Redshift estimate of a gravitational lens from the observed reddening of a multiply imaged quasar"

  Jean, C., Surdej, J.: 1998, Astron. & Astrophys.339, 729-736

• "Photometric monitoring of multiply imaged quasars with a LMT"

  Surdej, J., Claeskens, J.-F., Jean, C.: 1998, invited paper presented during the Oslo workshop "Gravitatiomal lensing", 10-12 June 1998

• "Spatial distribution of the Ly-alpha forest"

  Petitjean, P., Surdej, J., Remy, M., Smette, A., Mucket, J., Shaver, P.: 1998, in the proceedings of the conference "The Young Universe: Galaxy Formation and Evolution at Intermediate and High Redshift", Eds. S. D'Odorico, A. Fontana, and E. Giallongo, ASP Conference Series, Vol. 146, p. 383

• "Surveys with a 4-m Liquid Mirror Telescope"

  Jean, C., Claeskens, J.-F., Surdej, J.: 1998, in the ESO Astrophysics Symposia proceedings of the ESO/Australia workshop "Looking deep in the Southern Sky", Sydney (Australia) 10-12 December 1997, eds. R. Morganti, W. Couch, pp. 89-90

• "Close projected QSO-Galaxy associations: are they real?"

  Claeskens, J.-F., Surdej, J.: 1998, Astron. & Astrophys. 335, 69-84

• "HST observations of the QSO pair Q1026-0045 A, B"

  Petitjean, P., Surdej, J., Smette, A., Shaver, P., Mucket, J., Remy, M.: 1998, Astron. Astrophys. Letters 334, L45-L48

• "Detection of the lensing galaxy for the double QSO HE 1104-1805"

  Remy, M., Claeskens, J.-F., Surdej, J., Hjorth, J., Refsdal, S., Wucknitz, O., Sorensen, A.N., Grundhal, F.: 1998, New Astronomy 3, 379-390

• "Gravitational lens studies with a LMT"

  Surdej, J., Claeskens, J.-F.: 1998, invited paper presented during the international workshop "Science with Liquid Mirror Telescopes'' in Marseille Observatory, 14-15 April 1997, proceedings published by M. Ferrari., pp. 1-8, paper available at the URL: http://wood.phy.ulaval.ca/lmt/Surdej.ps

• "Gravitational lenses and Damped Ly-alpha systems"

  Smette, A., Claeskens, J.-F., Surdej, J.: 1997, in 13th IAP Workshop "Structure and evolution of the intergalactic medium from QSO absorption line systems", Eds. P. Petitjean and S. Charlot, Editions Frontières, 313-316

• "The WFPC2 PSF Library "

  Wiggs, M., Baggett, S., Surdej, J., Tullos, C.: 1997, in the proceedings of the "1997 HST Calibration Workshop", eds. S. Casertano et al., pp. 392-397

• "HST observations of the gravitational lens systems HE 1104-1805 and J03.13 "

  Remy, M., Claeskens, J.-F., Surdej, J.: 1997, in the proceedings of the "1997 HST Calibration Workshop", eds. S. Casertano et al., pp. 368-373

• "WFPC2 Photometry from Subtraction of Observed PSFs"

  Surdej, J., Baggett, S., Remy, M., Wiggs, M.: 1997, in the proceedings of the "1997 HST Calibration Workshop", eds. S. Casertano et al., pp. 386-391

• "WFPC2 Photometry via subtraction of TinyTim PSFs"

  Remy, M., Surdej, J., Baggett, S., Wiggs, M.: 1997, in the proceedings of the "1997 HST Calibration Workshop", eds. S. Casertano et al., pp. 374-377

• "HST confirmation of the lensed quasar J03.13"

  Surdej, J., Claeskens, J.-F., Remy, M., Refsdal, S., Pirenne, B., Prieto, A., Vanderriest, Ch.: 1997, Astron. & Astrophys. Letters 327, L1-L4

• "ESO and NOT Photometric Monitoring of the Cloverleaf Quasar"

  R. Østensen, M. Remy, P.O. Lindblad, S. Refsdal, R. Stabell, J. Surdej, P.D. Barthel, P.I. Emanuelsen, L. Festin, E. Gosset, O. Hainaut, P. Hakala, M. Hjelm, D. Hutsemékers, M. Jablonski, A.A. Kaas, H. Kristen, S. Larsson, P. Magain, B. Pettersson, A. Pospieszalska-Surdej, A. Smette, J. Teuber, B. Thomsen, E. Van Drom: 1997, Astron. & Astrophys. Suppl. 126, 393-400

• "Surveys of ultraviolet-excess quasar candidates in large fields"

  Gosset, E., Moreau, O., Surdej, J., Swings, J.-P., Arp, H.C.: 1997, Astron. & Astrophys. Suppl. 123, 529-568

• "Gravitational Lensing by Damped Ly-alpha Absorbers"

  Smette, A., Claeskens, J.-F., Surdej, J.: 1997, New Astronomy 2, 53-76

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