Alexander Wolszczan, PhD

    • 3678 Citations
    • 29 h-Index
    1988 …2019

    Research output per year

    If you made any changes in Pure these will be visible here soon.

    Research Output

    2019

    Stellar spectroscopy in the near-infrared with a laser frequency comb

    Metcalf, A. J., Anderson, T., Bender, C. F., Blakeslee, S., Brand, W., Carlson, D. R., Cochran, W. D., Diddams, S. A., Endl, M., Fredrick, C., Halverson, S., Hickstein, D. D., Hearty, F., Jennings, J., Kanodia, S., Kaplan, K. F., Levi, E., Lubar, E., Mahadevan, S., Monson, A. & 17 others, Ninan, J. P., Nitroy, C., Osterman, S., Papp, S. B., Quinlan, F., Ramsey, L., Robertson, P., Roy, A., Schwab, C., Sigurdsson, S., Srinivasan, K., Stefansson, G., Sterner, D. A., Terrien, R., Wolszczan, A., Wright, J. T. & Ycas, G., Feb 20 2019, In : Optica. 6, 2, p. 233-239 7 p.

    Research output: Contribution to journalArticle

    11 Scopus citations

    Survivability of radio-loud planetary cores orbiting white dwarfs

    Veras, D. & Wolszczan, A., Sep 1 2019, In : Monthly Notices of the Royal Astronomical Society. 1, p. 153-163 11 p.

    Research output: Contribution to journalArticle

    Open Access
    3 Scopus citations
    2018

    The Penn State - Torun´ Centre for Astronomy Planet Search stars IV. Dwarfs and the complete sample

    Deka-Szymankiewicz, B., Niedzielski, A., Adamczyk, M., Adamów, M., Nowak, G. & Wolszczan, A., Jan 1 2018, In : Astronomy and Astrophysics. 615, A31.

    Research output: Contribution to journalArticle

    2017

    Tracking Advanced Planetary Systems (TAPAS) with HARPS-N: V. A Massive Jupiter orbiting the very-low-metallicity giant star BD+03 2562 and a possible planet around HD 103485

    Villaver, E., Niedzielski, A., Wolszczan, A., Nowak, G., Kowalik, K., Adamów, M., Maciejewski, G., Deka-Szymankiewicz, B. & Maldonado, J., Oct 1 2017, In : Astronomy and Astrophysics. 606

    Research output: Contribution to journalArticle

    1 Scopus citations
    2016

    Erratum: The Penn State - Toruń centre for astronomy planet search stars: III. The sample of evolved stars (Astronomy and Astrophysics (2016) 585 (A73) DOI: 10.1051/0004-6361/201527362)

    Niedzielski, A., Deka-Szymankiewicz, B., Adamczyk, M., Adamów, M., Nowak, G. & Wolszczan, A., May 1 2016, In : Astronomy and Astrophysics. 589, C1.

    Research output: Contribution to journalComment/debate

    Observing the PTPS sample of evolved exoplanet host candidates using the NPOI

    Baines, E. K., Armstrong, J. T., Schmitt, H. R., Zavala, R. T., Benson, J. A., Niedzielski, A., Zielinski, P., Vanko, M. & Wolszczan, A., Jan 1 2016, Optical and Infrared Interferometry and Imaging V. Creech-Eakman, M. J., Malbet, F. & Tuthill, P. G. (eds.). SPIE, 99073T. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9907).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Scopus citations

    Radio FlaringG from the T6 Dwarf Wisepc J112254.73+255021.5 with A Possible Ultra-Short Periodicity

    Route, M. & Wolszczan, A., Apr 20 2016, In : Astrophysical Journal Letters. 821, 2, L21.

    Research output: Contribution to journalArticle

    12 Scopus citations

    The Penn State - Toruń Centre for Astronomy Planet Search stars: III. The sample of evolved stars

    Niedzielski, A., Deka-Szymankiewicz, B., Adamczyk, M., Adamów, M., Nowak, G. & Wolszczan, A., Jan 1 2016, In : Astronomy and Astrophysics. 585, A73.

    Research output: Contribution to journalArticle

    13 Scopus citations

    THE SECOND ARECIBO SEARCH for 5 GHz RADIO FLARES from ULTRACOOL DWARFS

    Route, M. & Wolszczan, A., Oct 20 2016, In : Astrophysical Journal. 830, 2, 85.

    Research output: Contribution to journalArticle

    9 Scopus citations

    Tracking Advanced Planetary Systems (TAPAS) with HARPS-N: III. HD 5583 and BD+15 2375 - Two cool giants with warm companions

    Niedzielski, A., Villaver, E., Nowak, G., Adamów, M., Kowalik, K., Wolszczan, A., Deka-Szymankiewicz, B., Adamczyk, M. & Maciejewski, G., Apr 1 2016, In : Astronomy and Astrophysics. 588, A62.

    Research output: Contribution to journalArticle

    5 Scopus citations

    Tracking Advanced Planetary Systems (TAPAS) with HARPS-N: IV. TYC 3667-1280-1: The most massive red giant star hosting a warm Jupiter

    Niedzielski, A., Villaver, E., Nowak, G., Adamów, M., Maciejewski, G., Kowalik, K., Wolszczan, A., Deka-Szymankiewicz, B. & Adamczyk, M., May 1 2016, In : Astronomy and Astrophysics. 589, L1.

    Research output: Contribution to journalArticle

    10 Scopus citations

    VERY LOW-MASS STELLAR and SUBSTELLAR COMPANIONS to SOLAR-LIKE STARS from MARVELS. VI. A GIANT PLANET and A BROWN DWARF CANDIDATE in A CLOSE BINARY SYSTEM HD 87646

    Ma, B., Ge, J., Wolszczan, A., Muterspaugh, M. W., Lee, B., Henry, G. W., Schneider, D. P., Martin, E. L., Niedzielski, A., Xie, J., Fleming, S. W., Thomas, N., Williamson, M., Zhu, Z., Agol, E., Bizyaev, D., Costa, L. N. D., Jiang, P., Fiorenzano, A. F. M., Hernández, J. I. G. & 17 others, Guo, P., Grieves, N., Li, R., Liu, J., Mahadevan, S., Mazeh, T., Nguyen, D. C., Paegert, M., Sithajan, S., Stassun, K., Thirupathi, S., Van Eyken, J. C., Wan, X., Wang, J., Wisniewski, J. P., Zhao, B. & Zucker, S., Nov 2016, In : Astronomical Journal. 152, 5, 112.

    Research output: Contribution to journalArticle

    10 Scopus citations
    2015

    The deepest constraints on radio and X-ray magnetic activity in ultracool dwarfs from wise J104915.57-531906.1

    Osten, R. A., Melis, C., Stelzer, B., Bannister, K. W., Radigan, J., Burgasser, A. J., Wolszczan, A. & Luhman, K. L., May 20 2015, In : Astrophysical Journal Letters. 805, 1, L3.

    Research output: Contribution to journalArticle

    4 Scopus citations

    Three red giants with substellar-mass companions

    Niedzielski, A., Wolszczan, A., Nowak, G., Adamów, M., Kowalik, K., Maciejewski, G., Deka-Szymankiewicz, B. & Adamczyk, M., Apr 10 2015, In : Astrophysical Journal. 803, 1, 1.

    Research output: Contribution to journalArticle

    10 Scopus citations

    Tracking Advanced Planetary Systems (TAPAS) with HARPS-N: II. Super Li-rich giant HD 107028

    Adamów, M., Niedzielski, A., Villaver, E., Wolszczan, A., Kowalik, K., Nowak, G., Adamczyk, M. & Deka-Szymankiewicz, B., Sep 1 2015, In : Astronomy and Astrophysics. 581, A103.

    Research output: Contribution to journalArticle

    2 Scopus citations

    Tracking Advanced Planetary Systems (TAPAS) with HARPS-N I. A multiple planetary system around the red giant star TYC 1422-614-1

    Niedzielski, A., Villaver, E., Wolszczan, A., Adamów, M., Kowalik, K., Maciejewski, G., Nowak, G., García-Hernández, D. A., Deka, B. & Adamczyk, M., Jan 1 2015, In : Astronomy and Astrophysics. 573, A36.

    Research output: Contribution to journalArticle

    20 Scopus citations
    2014

    The penn state-toruń centre for astronomy planet search stars: II. Lithium abundance analysis of the red giant clump sample

    Adamów, M., Niedzielski, A., Villaver, E., Wolszczan, A. & Nowak, G., Sep 1 2014, In : Astronomy and Astrophysics. 569, A55.

    Research output: Contribution to journalArticle

    24 Scopus citations
    14 Scopus citations
    2013

    BD+15 2940 and HD 233604: Two giants with planets close to the engulfment ZONE

    Nowak, G., Niedzielski, A., Wolszczan, A., Adamów, M. & MacIejewski, G., Jun 10 2013, In : Astrophysical Journal. 770, 1, 53.

    Research output: Contribution to journalArticle

    26 Scopus citations

    Constraints on a second planet in the wasp-3 system

    Maciejewski, G., Niedzielski, A., Wolszczan, A., Nowak, G., Neuhäuser, R., Winn, J. N., Deka, B., Adamów, M., Górecka, M., Fernández, M., Aceituno, F. J., Ohlert, J., Errmann, R., Seeliger, M., Dimitrov, D., Latham, D. W., Esquerdo, G. A., McKnight, L., Holman, M. J., Jensen, E. L. N. & 13 others, Kramm, U., Pribulla, T., Raetz, S., Schmidt, T. O. B., Ginski, C., Mottola, S., Hellmich, S., Adam, C., Gilbert, H., Mugrauer, M., Saral, G., Popov, V. & Raetz, M., Dec 1 2013, In : Astronomical Journal. 146, 6, 147.

    Research output: Contribution to journalArticle

    13 Scopus citations

    The 5 ghz arecibo search for radio flares from ultracool dwarfs

    Route, M. & Wolszczan, A., Aug 10 2013, In : Astrophysical Journal. 773, 1, 18.

    Research output: Contribution to journalArticle

    18 Scopus citations
    2012

    BD+48 740-Li overabundant giant star with a planet: A case of recent engulfment?

    Adamów, M., Niedzielski, A., Villaver, E., Nowak, G. & Wolszczan, A., Jul 20 2012, In : Astrophysical Journal Letters. 754, 1, L15.

    Research output: Contribution to journalArticle

    34 Scopus citations

    Discovery of pulsar planets

    Wolszczan, A., Jan 1 2012, In : New Astronomy Reviews. 56, 1, p. 2-8 7 p.

    Research output: Contribution to journalArticle

    10 Scopus citations

    Lithium abundances for 1000 PTPS stars

    Adamów, M., Niedzielski, A. & Wolszczan, A., Jan 1 2012, In : Memorie della Societa Astronomica Italiana, Supplementi - Journal of the Italian Astronomical Society, Supplement. 22, p. 48-55 8 p.

    Research output: Contribution to journalConference article

    4 Scopus citations

    Planets around the K-giants BD+20 274 and HD 219415

    Gettel, S., Wolszczan, A., Niedzielski, A., Nowak, G., Adamów, M., Zieliński, P. & MacIejewski, G., Jan 1 2012, In : Astrophysical Journal. 756, 1, 53.

    Research output: Contribution to journalArticle

    8 Scopus citations

    Substellar-mass companions to the K-giants HD240237, BD +48 738, and HD96127

    Gettel, S., Wolszczan, A., Niedzielski, A., Nowak, G., Adamów, M., Zieliński, P. & MacIejewski, G., Jan 20 2012, In : Astrophysical Journal. 745, 1, 28.

    Research output: Contribution to journalArticle

    28 Scopus citations

    The Arecibo detection of the coolest radio-flaring brown dwarf

    Route, M. & Wolszczan, A., Mar 10 2012, In : Astrophysical Journal Letters. 747, 2, L22.

    Research output: Contribution to journalArticle

    50 Scopus citations

    The Penn State-Toruń Centre for Astronomy Planet Search stars: I. Spectroscopic analysis of 348 red giants

    Zieliński, P., Niedzielski, A., Wolszczan, A., Adamów, M. & Nowak, G., Nov 14 2012, In : Astronomy and Astrophysics. 547, A91.

    Research output: Contribution to journalArticle

    24 Scopus citations
    2011

    A search for planets around intermediate Mass Stars with the Hobby-Eberly Telescope

    Adamów, M., Gettel, S., Nowak, G., Zieliński, P., Niedzielski, A. & Wolszczan, A., Jul 18 2011, Research, Science and Technology of Brown Dwarfs and Exoplanets: Proceedings of an International Conference Held in Shangai on Occasion of a Total Eclipse of the Sun. Lin, W., Martin, E. L., Martin, E. L. & Ge, J. (eds.). EDP Sciences, 02005. (EPJ Web of Conferences; vol. 16).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    PTPS candidate exoplanet host star radii determination with CHARA Array

    Zieliński, P., Vaňko, M., Baines, E., Niedzielski, A. & Wolszczan, A., Jul 1 2011, From Interacting Binaries to Exoplanets: Essential Modeling Tools. Richards, M. & Hubeny, I. (eds.). S282 ed. p. 203-204 2 p. (Proceedings of the International Astronomical Union; vol. 7, no. S282).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Red giants from the Pennsylvania - Toruń Planet Search

    Zieliński, P., Niedzielski, A., Adamów, M. & Wolszczan, A., Jul 18 2011, Research, Science and Technology of Brown Dwarfs and Exoplanets: Proceedings of an International Conference Held in Shangai on Occasion of a Total Eclipse of the Sun. Lin, W., Martin, E. L., Martin, E. L. & Ge, J. (eds.). EDP Sciences, 02006. (EPJ Web of Conferences; vol. 16).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Scopus citations

    The Pennsylvania - Toruń Planet Search: Target characteristics and recent results

    Zieliński, P., Niedzielski, A., Wolszczan, A., Nowak, G., Adamów, M. & Gettel, S., 2011, Planetary Systems Beyond the Main Sequence - Proceedings of the International Conference "Planetary Systems Beyond the Main Sequence". Vol. 1331. p. 110-116 7 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2010

    Discovery of a low-mass companion to a metal-rich F star with the MARVELS pilot project

    Fleming, S. W., Ge, J., Mahadevan, S., Lee, B., Eastman, J. D., Siverd, R. J., Gaudi, B. S., Niedzielski, A., Sivarani, T., Stassun, K. G., Wolszczan, A., Barnes, R., Gary, B., Nguyen, D. C., Morehead, R. C., Wan, X., Zhao, B., Liu, J., Guo, P., Kane, S. R. & 17 others, Van Eyken, J. C., De Lee, N. M., Crepp, J. R., Shelden, A. C., Laws, C., Wisniewski, J. P., Schneider, D. P., Pepper, J., Snedden, S. A., Pan, K., Bizyaev, D., Brewington, H., Malanushenko, O., Malanushenko, V., Oravetz, D., Simmons, A. & Watters, S., Aug 1 2010, In : Astrophysical Journal. 718, 2, p. 1186-1199 14 p.

    Research output: Contribution to journalArticle

    18 Scopus citations

    Is there a metallicity enhancement in planet-hosting red giants?

    Zieliński, P., Niedzielski, A., Adamów, M. & Wolszczan, A., Dec 1 2010, Extrasolar Planets in Multi-Body Systems: Theory and Observations. p. 201-205 5 p. (EAS Publications Series; vol. 42).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    3 Scopus citations

    The habitable zone planet finder: A proposed high resolution NIR spectrograph for the Hobby Eberly telescope to discover low mass exoplanets around M dwarfs

    Mahadevan, S., Ramsey, L., Wright, J., Endl, M., Redman, S., Bender, C., Roy, A., Zonak, S., Troupe, N., Engel, L., Sigurdsson, S., Wolszczan, A. & Zhao, B., Nov 12 2010, Ground-Based and Airborne Instrumentation for Astronomy III. PART 1 ed. 77356X. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 7735, no. PART 1).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    26 Scopus citations

    The Pathfinder testbed: Exploring techniques for achieving precision radial velocities in the near-infrared

    Ramsey, L. W., Mahadevan, S., Redman, S., Bender, C., Roy, A., Zonak, S., Sigurdsson, S. & Wolszczan, A., Nov 12 2010, Ground-Based and Airborne Instrumentation for Astronomy III. PART 1 ed. 773571. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 7735, no. PART 1).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    6 Scopus citations

    The Pennsylvania-Torun search for planets: Bisector measurements of HD 102272

    Nowak, G., Niedzielski, A. & Wolszczan, A., Dec 1 2010, Extrasolar Planets in Multi-Body Systems: Theory and Observations. p. 165-168 4 p. (EAS Publications Series; vol. 42).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2 Scopus citations

    The Pennsylvania-Torun search for planets around evolved stars with HET

    Niedzielski, A., Wolszczan, A., Nowak, G., Zielinski, P., Adamow, M. & Gettel, S., Oct 1 2010, The Astrophysics of Planetary Systems: Formation, Structure, and Dynamical Evolution. Sozzetti, A., Lattanzi, M. & Boss, A. (eds.). S276 ed. p. 445-447 3 p. (Proceedings of the International Astronomical Union; vol. 6, no. S276).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2009

    A planet in A 0.6 AU orbit around the K0 giant HD 102272

    Niedzielski, A., Goździewski, K., Wolszczan, A., Konacki, M., Nowak, G. & Zieliński, P., Mar 1 2009, In : Astrophysical Journal. 693, 1, p. 276-280 5 p.

    Research output: Contribution to journalArticle

    52 Scopus citations

    Substellar-mass companions to the K-dwarf BD+14 4559 and the K-giants HD 240210 and BD+20 2457

    Niedzielski, A., Nowak, G., Adamów, M. & Wolszczan, A., Jan 1 2009, In : Astrophysical Journal. 707, 1, p. 768-777 10 p.

    Research output: Contribution to journalArticle

    59 Scopus citations
    2008

    A massive neutron star in the globular cluster M5

    Freire, P. C. C., Wolszczan, A., Van Maureen Berg, D. E. N. & Hessels, J. W. T., Jun 1 2008, In : Astrophysical Journal. 679, 2, p. 1433-1442 10 p.

    Research output: Contribution to journalArticle

    69 Scopus citations

    A pathfinder instrument for precision radial velocities in the near-infrared

    Ramsey, L. W., Barnes, J., Redman, S. L., Jones, H. R. A., Wolszczan, A., Bongiorno, S., Engel, L. & Jenkins, J., Aug 1 2008, In : Publications of the Astronomical Society of the Pacific. 120, 870, p. 887-894 8 p.

    Research output: Contribution to journalArticle

    28 Scopus citations

    A precision radial velocity survey of red giants

    Niedzielski, A. & Wolszczan, A., Jan 1 2008, Precision Spectroscopy in Astrophysics: Proceedings of the ESO/Lisbon/Aveiro Conference held in Aveiro, Portugal, 11-15 September 2006. Santos, N. C., Pasquini, L., Romaniello, M. & Correia, A. C. M. (eds.). p. 309-310 2 p. (ESO Astrophysics Symposia; vol. 2008).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Fifteen years of the neutron star planet research

    Wolszczan, A., Oct 13 2008, In : Physica Scripta T. T130, 014005.

    Research output: Contribution to journalConference article

    8 Scopus citations
    2007

    A HET search for planets around evolved stars

    Niedzielski, A. & Wolszczan, A., Oct 1 2007, In : Proceedings of the International Astronomical Union. 3, S249, p. 43-47 5 p.

    Research output: Contribution to journalArticle

    3 Scopus citations

    A planetary-mass companion to the K0 giant HD 17092

    Niedzielski, A., Konacki, M., Wolszczan, A., Nowak, G., Maciejewski, G., Gelino, C. R., Shao, M., Shetrone, M. & Ramsey, L. W., Nov 10 2007, In : Astrophysical Journal. 669, 2, p. 1354-1358 5 p.

    Research output: Contribution to journalArticle

    76 Scopus citations

    X-ray emission from the planet pulsar B1257+12

    Pavlov, G. G., Kargaltsev, O., Garmire, G. P. & Wolszczan, A., Aug 1 2007, In : Astrophysical Journal. 664, 2 I, p. 1072-1078 7 p.

    Research output: Contribution to journalArticle

    24 Scopus citations
    2006

    Spitzer MIPS limits on asteroidal dust in the pulsar planetary system PSR B1257+12

    Bryden, G., Beichman, C. A., Rieke, G. H., Stansberry, J. A., Stapelfeldt, K. R., Trilling, D. E., Turner, N. J. & Wolszczan, A., Aug 1 2006, In : Astrophysical Journal. 646, 2 I, p. 1038-1042 5 p.

    Research output: Contribution to journalArticle

    19 Scopus citations
    2005

    Long-term stability and dynamical environment of the PSR 1257+12 planetary system

    Goździewski, K., Konacki, M. & Wolszczan, A., Feb 1 2005, In : Astrophysical Journal. 619, 2 I, p. 1084-1097 14 p.

    Research output: Contribution to journalArticle

    24 Scopus citations

    Radial velocity measurements of a sample of K-giants with the Hobby-Eberly telescope

    Niedzielski, A., Wolszczan, A. & Konacki, M., Dec 1 2005, Stellar Astrophysics with the World's Largest Telescopes - First International Workshop on Stellar Astrophysics with the World's Largest Telescopes. p. 38-41 4 p. (AIP Conference Proceedings; vol. 752).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution