Publikationen
Publications

• Planet-star interactions with precise transit timing
  IV. Probing the regime of dynamical tides for GK host stars
  G. Maciejewski, J. Golonka, M. Fernández, J. Ohlert, V. Casanova, and D. Pérez Medialdea
  2024, Astronomy & Astrophysics, 692, A35, Dec. 2024
  https://arxiv.org/abs/2410.22162
  https://arxiv.org/pdf/2410.22162
  https://doi.org/10.48550/arXiv.2410.22162
  https://doi.org/10.1051/0004-6361/202452101
  


• Search for Planets in Hot Jupiter Systems with Multi-Sector TESS Photometry.
  III. A Study of Ten Systems Enhanced with New Ground-Based Photometry
  G. Maciejewski, M. Fernández, A. Sota, P.J. Amado, J. Ohlert, R. Bischoff, W. Stenglein, M. Mugrauer, K.-U. Michel, J. Golonka, A. Blanco Solsona, E. Lapena, J. Molins Freire, A. De los Ríos Curieses, J.A. Temprano Sicilia
  2023, Acta Astronomica, Volume 73, No. 1, pp. 57-86
  https://doi.org/10.32023/0001-5237/73.1.4
  https://https://arxiv.org/abs/2307.00538
  https://arxiv.org/pdf/2307.00538.pdf
  https://doi.org/10.48550/arXiv.2307.00538
  


• A hot super-Earth planet in the WASP-84 planetary system
  G. Maciejewski, J. Golonka, W. Loboda, J. Ohlert, M. Fernández, F. Aceituno
  2023, Monthly Notices of the Royal Astronomical Society: Letters, Volume 525, Issue 1, October 2023, Pages L43–L49
  Published: 16 June 2023
  https://doi.org/10.1093/mnrasl/slad078
  https://arxiv.org/abs/2305.09177v2
  https://arxiv.org/pdf/2305.09177v2.pdf
  


• Planet-star interactions with precise transit timing. III. Entering the regime of dynamical tides
  G. Maciejewski, M. Fernandez, A. Sota, P. J. Amado, D. Dimitrov, Y. Nikolov, J. Ohlert, M. Mugrauer, R. Bischoff, T. Heyne, F. Hildebrandt, W. Stenglein, A. A. Arevalo, S. Neira, L. A. Riesco, V. Sanchez Martinez, M. M. Verdugo
  2022, Astronomy & Astrophysics 667, A127, Dec. 2022
  https://doi.org/10.48550/arXiv.2209.10597
  https://arxiv.org/abs/2209.10597
  https://arxiv.org/pdf/2209.10597.pdf
  


• Revisiting TrES-5 b: departure from a linear ephemeris instead of short-period transit timing variation
  G. Maciejewski, M. Fernandez, F. Aceituno, J. L. Ramos, D. Dimitrov, Z. Donchev, J. Ohlert
  2021, Astronomy & Astrophysics 656, A88, Dec. 2021
  https://doi.org/10.1051/0004-6361/202142424
  https://arxiv.org/abs/2110.14294
  https://arxiv.org/pdf/2110.14294.pdf
  


• Planet-star interactions with precise transit timing.
  I. The refined orbital decay rate for WASP-12 b and initial constraints for HAT-P-23 b, KELT-1 b, KELT-16 b, WASP-33 b, and WASP-103 b
  G. Maciejewski, M. Fernández, F. Aceituno, S. Martín-Ruiz, J. Ohlert, D. Dimitrov, K. Szyszka, C. von Essen, M. Mugrauer, R. Bischoff, K.-U. Michel, M. Mallonn, M. Stangret, D. Mozdzierski
  2018, Acta Astronomica, vol. 68, no 4, p. 371-401
  https://arxiv.org/abs/1812.02438
  https://arxiv.org/pdf/1812.02438.pdf
  


• New transit timing observations for GJ 436 b, HAT-P-3 b, HAT-P-19 b, WASP-3 b, and XO-2 b
  G. Maciejewski, M. Stangret, J. Ohlert, C.S. Basaran, J. Maciejczak, M. Puciata-Mroczynska, E. Boulanger
  2018, Information Bulletin on Variable Stars, No. 6243, #1.
  http://adsabs.harvard.edu/abs/2018IBVS.6243....1M
  https://arxiv.org/abs/1808.03306
  https://arxiv.org/pdf/1808.03306.pdf
  


• Departure from the constant-period ephemeris for the transiting exoplanet WASP-12 b
  G.Maciejewski, D.Dimitrov, M.Fernández, A.Sota, G.Nowak, J.Ohlert, G.Nikolov, L.Bukowiecki, T.C.Hinse, E.Palle, B.Tingley, D.Kjurkchieva, J.W.Lee, C.-U.Lee
  2016, Astronomy & Astrophysics, 588, L6
  http://adsabs.harvard.edu/abs/2016arXiv160209055M
  http://arxiv.org/abs/1602.09055
  http://arxiv.org/pdf/1602.09055v1.pdf
  


• New transit observations for HAT-P-30 b, HAT-P-37 b, TrES-5 b, WASP-28 b, WASP-36 b, and WASP-39 b
  G.Maciejewski, D.Dimitrov, L.Mancini, J.Southworth, S.Ciceri, G.D'Ago, I.Bruni, St.Raetz, G.Nowak, J.Ohlert, D.Puchalski, G.Saral, E.Derman, R.Petrucci, E.Jofre, M.Seeliger, T.Henning
  2016, Acta Astronomica 66, 55
  http://adsabs.harvard.edu/abs/2016AcA....66...55M
  http://arxiv.org/abs/1603.03268
  http://arxiv.org/pdf/1603.03268v1.pdf
  


• Ground-based transit observations of the HAT-P-18, HAT-P-19, HAT-P-27/WASP40 and WASP-21 systems
  Seeliger, M.; Kitze, M.; Errmann, R.; Richter, S.; Ohlert, J. M.; Chen, W. P.; Guo, J. K.; Gögüs, E.; Güver, T.; Aydin, B.; Mottola, S.; Hellmich, S.; Fernandez, M.; Aceituno, F. J.; Dimitrov, D.; Kjurkchieva, D.; Jensen, E.; Cohen, D.; Kundra, E.; Pribulla, T.; Vanko, M.; Budaj, J.; Mallonn, M.; Wu, Z.-Y.; Zhou, X.; Raetz, St.; Adam, C.; Schmidt, T. O. B.; Ide, A.; Mugrauer, M.; Marschall, L.; Hackstein, M.; Chini, R.; Haas, M.; Ak, T.; Güzel, E.; Özdönmez, A.; Ginski, C.; Marka, C.; Schmidt, J. G.; Dincel, B.; Werner, K.; Dathe, A.; Greif, J.; Wolf, V.; Buder, S.; Pannicke, A.; Puchalski, D.; Neuhäuser, R.
  2015, Monthly Notices of the Royal Astronomical Society, Volume 451, Issue 4, p.4060-4072
  http://arxiv.org/abs/1508.06215
  http://arxiv.org/pdf/1508.06215v1.pdf
  


• No variations in transit times for Qatar-1 b
  G. Maciejewski, M. Fernández, F. J. Aceituno, J. Ohlert, D. Puchalski, D. Dimitrov, M. Seeliger, M. Kitze, St. Raetz, R. Errman, H. Gilbert, A. Pannicke, J.-G. Schmidt, and R. Neuhäuser
  2015, Astronomy & Astrophysics, Volume 577, id.A109, 7 pp.
  http://arxiv.org/abs/1503.07191
  http://arxiv.org/pdf/1503.07191v1.pdf
  


• Transit timing of TrES-2: a combined analysis of ground- and space-based photometry
  St. Raetz, G. Maciejewski, Ch. Ginski, M. Mugrauer, A. Berndt, T. Eisenbeiss, Ch. Adam, M. Raetz, T. Roell, M. Seeliger, C. Marka, M. Vanko, L. Bukowiecki, R. Errmann, M. Kitze, J. Ohlert, T. Pribulla, J.G. Schmidt, D. Sebastian, D. Puchalski, N. Tetzlaff, M.M. Hohle, T.O.B. Schmidt and R. Neuhäuser
  2014, MNRAS, 444, 1351-1368
  http://mnras.oxfordjournals.org/content/444/2/1351
  http://adsabs.harvard.edu/abs/2014MNRAS.444.1351R
  http://arxiv.org/pdf/1408.7022v1.pdf
  


• Transit Timing Analysis in the HAT-P-32 System
  M.Seeliger, D.Dimitrov, D.Kjurkchieva, M.Mallonn, M.Fernandez, M.Kitze, V.Casanova, G.Maciejewski, J.M.Ohlert, J.G.Schmidt, A.Pannicke, D.Puchalski, E.Gögüs, T.Güver, S.Bilir, T.Ak, M.M.Hohle, T.O.B.Schmidt, R.Errmann, E.Jensen, D.Cohen, L.Marschall, G.Saral, I.Bernt, E.Derman, C.Galan, R.Neuhaeuser
  2014, MNRAS, 441, 304
  http://adsabs.harvard.edu/abs/2014MNRAS.441..304S
  


• Revisiting Parameters for the WASP-1 Planetary System
  G. Maciejewski, J. Ohlert, D. Dimitrov, D. Puchalski, J. Nedorošcík, M. Vanko, C. Marka, S. Baar, St. Raetz, M. Seeliger, and R. Neuhäuser
  2014, Acta Astronomica, Volume 64, pp. 27 - 43
  http://arxiv.org/abs/1402.6518
  


• Constraints on a Second Planet in the WASP-3 System
  G.Maciejewski, A.Niedzielski, A.Wolszczan, G.Nowak, R.Neuhaeuser, J.N.Winn, B.Deka, M.Adamów, M.Górecka, M.Fernandez, F.J.Aceituno, J.Ohlert, R.Errmann, M.Seeliger, D.Dimitrov, D.W.Latham, G.A.Esquerdo, L.McKnight, M.J.Holman, E.L.N.Jensen, U.Kramm, T.Pribulla, St.Raetz, T.O.B.Schmidt, Ch.Ginski, S.Mottola, S.Hellmich, Ch.Adam, H.Gilbert, M.Mugrauer, G.Saral, V.Popov, M.Raetz
  2013, The Astronomical Journal, Volume 146, Issue 6, article id. 147, 12 pp.
  http://adsabs.harvard.edu/abs/2013AJ....146..147M
  


• Multi-site campaign for transit timing variations of WASP-12 b:
  possible detection of a long-period signal of planetary origin
  G.Maciejewski, D.Dimitrov, M.Seeliger, St.Raetz, L.Bukowiecki, M.Kitze, R.Errmann, G.Nowak, A.Niedzielski, V.Popov, C.Marka, K.Gozdziewski, R.Neuhaeuser, J.Ohlert, T.C.Hinse, J.W.Lee, C.-U.Lee, J.-N.Yoon, A.Berndt, H.Gilbert, Ch.Ginski, M.M.Hohle, M.Mugrauer, T.Roell, T.O.B.Schmidt, N.Tetzlaff, L.Mancini, J.Southworth, M.Dall'Ora, S.Ciceri, R.Zambelli, G.Corfini, H.Takahashi, K.Tachihara, J.M.Benko, K.Sarneczky, Gy.M.Szabo, T.N.Varga, M.Vanko, Y.C.Joshi, W.P.Chen
  2013, Astronomy & Astrophysics 551, A108
  http://adsabs.harvard.edu/abs/2013A%26A...551A.108M
  https://arxiv.org/abs/1301.5976
  https://arxiv.org/pdf/1301.5976.pdf
  


• Follow-up Photometry of the Transiting Planetary System TrES-3:
  Transit Timing Variation and Long-Term Stability of the System
  M.Vanko, G.Maciejewski, M.Jakubik, T.Krejcova, J.Budaj, T.Pribulla, J.Ohlert, St.Raetz, S.Parimucha, L.Bukowiecki
  2013, MNRAS, 432, 944
  http://adsabs.harvard.edu/abs/2013MNRAS.432..944V
  http://adsabs.harvard.edu/abs/2013arXiv1303.4535V
  


• New Photometric Observations of the Transiting Extrasolar Planet TrES-3b
  Vanko, M.; Jakubík, M.; Krejcová, T.; Maciejewski, G.; Budaj, J.; Pribulla, T.; Ohlert, J.; Raetz, S.; Krushevska, V.; Dubovsky, P.
  2012, From Interacting Binaries to Exoplanets: Essential Modeling Tools, Proceedings of the International Astronomical Union. Edited by M. T. Richards and I. Hubeny, IAU Symposium, Volume 282, p. 135-136
  https://arxiv.org/abs/1108.5255
  https://arxiv.org/pdf/1108.5255.pdf
  


• The DWARF project: Eclipsing binaries – precise clocks to discover exoplanets
  T. Pribulla, M. Vanko, … J. Ohlert …
  2012, Astronomische Nachrichten Vol.333, Issue 8, p.754
  https://arxiv.org/abs/1206.6709
  https://arxiv.org/pdf/1206.6709.pdf
  

• Twenty-four new transit timings of the mini-Neptune GJ1214 b
  M. Mallonn, I. Juvan-Beaulieu, E. Sedaghati, J.M. Ohlert, C. von Essen, M. Lendl, M. Oshagh and K. Poppenhaeger
  2019, Research Notes of the AAS, Volume 3, Number 9, p. 123
  https://iopscience.iop.org/article/10.3847/2515-5172/ab3f29
  


• Transmission spectroscopy of the hot Jupiter TrES-3 b: Disproof of an overly large Rayleigh-like feature
  F. Mackebrandt, M. Mallonn, J. M. Ohlert, T. Granzer, S. Lalitha, A. Garcia Munoz, N. P. Gibson, J. W. Lee, A. Sozzetti, J. D. Turner, M. Vanko, K. G. Strassmeier
  2017, Astronomy & Astrophysics 608, A26
  https://arxiv.org/abs/1709.06124
  https://arxiv.org/pdf/1709.06124.pdf
  

• Investigating the multiwavelength behaviour of the flatspectrum radio quasar CTA 102 during 2013–2017
  F. D’Ammando, C. M. Raiteri, M. Villata, J. A. Acosta-Pulido, I. Agudo,A. A. Arkharov, ... J. M. Ohlert; ...
  2019, Monthly Notices of the Royal Astronomical Society, Volume 490, Issue 4, p.5300-5316
  https://arxiv.org/abs/1910.03609
  https://arxiv.org/pdf/1910.03609.pdf


• Blazar spectral variability as explained by a twisted inhomogeneous jet
  C. M. Raiteri, M. Villata, J. A. Acosta-Pulido, I. Agudo, A. A. Arkharov, ... J. M. Ohlert ...
  2017, Nature 552, 374–377 (21 December 2017)
  Scientific paper in online version
  


• Synchrotron emission from the blazar PG 1553+113. An analysis of its flux and polarization variability
  C. M. Raiteri, F. Nicastro, A. Stamerra, M. Villata, V. M. Larionov, D. Blinov, J. A. Acosta-Pulido... J. M. Ohlert; ...
  2016, Monthly Notices of the Royal Astronomical Society, Volume 466, Issue 3, p.3762-3774
  https://arxiv.org/abs/1612.07000
  https://arxiv.org/pdf/1612.07000v1.pdf


• Multifrequency Photo-Polarimetric WEBT Observation Campaign on the Blazar S5 0716+714: Source Microvariability and Search for Characteristic Timescales
  G. Bhatta, L. Stawarz, M. Ostrowski, A. Markowitz ... J.M. Ohlert; ...
  2016, The Astrophysical Journal, Volume 831, Issue 1, article id. 92, 17 pp.
  https://arxiv.org/abs/1608.03531
  https://arxiv.org/pdf/1608.03531v1.pdf


• The WEBT campaign on the BL Lac object PG 1553+113 in 2013. An analysis of the enigmatic synchrotron emission
  C. M. Raiteri; A. Stamerra; M. Villata; V. M. Larionov; ... J. M. Ohlert; ...
  2015, Monthly Notices of the Royal Astronomical Society 2015 454 (1): 353-367
  http://arxiv.org/pdf/1509.02706v1.pdf


• Discovery of a Highly Polarized Optical Microflare in Blazar S5 0716+714 during the 2014 WEBT Campaign
  Bhatta, G.; Goyal, A.; Ostrowski, M.; ... Ohlert, J. M.; ...
  2015, The Astrophysical Journal Letters, Volume 809, Issue 2, article id. L27, 6 pp.


• 5-day photo-polarimetric WEBT Campaign on Blazar S5 0716+714 - a Study of Microvariability in Blazar
  Bhatta, Gopal; Ostrwoski, Michal; … Ohlert, Johannes; …
  2015, American Astronomical Society, AAS Meeting #225, #120.04


• The 72-Hour WEBT Microvariability Observation of Blazar S5 0716+714 in 2009
  G. Bhatta, J.R. Webb, … J. M. Ohlert …
  2013, Astronomy & Astrophysics, Volume 558, id.A92, 10 pp.


• Multiwavelength intraday variability of the BL Lacertae S5 0716+714
  A. Gupta, T.P. Krichbaum, … J. M. Ohlert …
  2012, Monthly Notices of the Royal Astronomical Society, 425, 1357–1370


• Variability and stability in blazar jets on time scales of years: Optical polarization monitoring of OJ 287 in 2005-2009
  C. Villforth, K. Nilsson, … J. Ohlert …
  2009, Monthly Notices of the Royal Astronomical Society, Vol. 402, Issue 3, pp 2087 - 2111


• WEBT multiwavelenght monitoring and XMM-Newton observations of BL Lacertae in 2007-2008
  C.M. Raiteri, M. Villata …. J. Ohlert …
  2009, Astronomy & Astrophysics, Volume 507, Issue 2, 2009, pp.769-779


• Tidally Induced Outbursts in OJ 287 during 2005 – 2008
  M.J. Valtonen, K. Nilsson, … J. Ohlert ...
  2009, Astrophysical Journal 698 (2009) 781 – 785


• The WEBT Campaign on the Intermediate BL Lac Object 3C66A in 2007-2008
  M. Böttcher; K.Fultz; …. J. M. Ohlert …..
  2009, The Astrophysical Journal, Volume 694, Issue 1, pp. 174-182 (2009)


• Results of WEBT, VLBA and RXTE monitoring of 3C 279 during 2006-2007
  Larionov, V. M.; Jorstad, S. G.; …. J. Ohlert …
  2008, Astronomy & Astrophysics, Volume 492, Issue 2, 2008 pp. 389-400


• A new activity phase of the blazar 3C 454.3.
  Multifrequency observations by the WEBT and XMM-Newton in 2007-2008
  C.M. Raiteri, M. Villata …. J. Ohlert …
  2008, Astronomy & Astrophysics, Volume 491, Issue 3, 2008 pp. 755-766


• The high activity of 3C 454.3 in autumn 2007. Monitoring by the WEBT during the AGILE detection
  C.M. Raiteri, M. Villata …. J. Ohlert …
  2008, Astronomy & Astrophysics, Volume 485, Issue 2, 2008 pp. L17-L20


• Radio-to-UV monitoring of AO 0235+164 by the WEBT and Swift during the 2006-2007 outburst
  C.M. Raiteri, M. Villata …. J. Ohlert …
  2008, Astronomy & Astrophysics, Volume 480, Issue 2, 2008 pp. 339-347


• The WEBT Campaign on the Blazar 3C 279 in 2006
  Böttcher, M. …. Ohlert, J. …..
  2007, The Astrophysical Journal, Volume 670, Issue 2, pp. 968-977


• WEBT and XMM-Newton observations of 3C 454.3 during the post-outburst phase.
  Detection of the little and big blue bumps.
  C.M. Raiteri, M. Villata …. J. Ohlert …
  2007, Astronomy & Astrophysics Volume 473, Issue 3, October III 2007 pp. 819-827


• Prominent activity of the blazar OJ 287 in 2005. XMM-Newton and multiwavelength observations
  Ciprini, S. …. Ohlert, J. …..
  2007, Memorie della Societa Astronomica Italiana, v.78, p.741


• Multifrequency variability of the blazar AO 0235+164.
  The WEBT campaign in 2004-2005 and long-term SED analysis.
  Raiteri, C. …. Ohlert, J. …..
  2006, Astronomy & Astrophysics, 459: December I 2006, 731-743


• The unprecedented optical outburst of the quasar 3C 454.3.
  The WEBT campaign of 2004-2005
  Villata, M., C.M. Raiteri …. Ohlert, J. …..
  2006, Astronomy & Astrophysics, 453: July III 2006, 817-822


• Testing the inverse-Compton catastrophe scenario in the intra-day variable blazar S5 0716+71.
  I. Simultaneous broadband observations during November 2003.
  Ostorero, L., …. Ohlert, J. …..
  2006, Astronomy & Astrophysics, 451, Issue 3, June I 2006 797-807


• Coordinated Multiwavelength Observation of 3C 66A during the WEBT Campaign of 2003-2004
  Böttcher, M. …. Ohlert, J. …..
  2005, The Astrophysical Journal, Volume 631: 169-186, Sept. 2005


• Hunting for radio-quiet BL Lacs - the 2dF BL Lac survey
  Jochen Heidt, Diana Londish, Brian Boyle, Scott Croom, Johannes Ohlert
  2005, Astronomische Nachrichten / AN 326, No 7 (2005) S. 543


• The WEBT campaign to observe AO 0235+16 in the 2003-2004 observing season.
  Results from radio-to-optical monitoring and XMM-Newton observations.
  Raiteri, C.M., ….. J. Ohlert ….
  2005, Astronomy & Astrophysics, 438: 39-53, July 2005

• Pluto’s lower atmosphere and pressure evolution from ground-based stellar occultations, 1988-2016
  E. Meza, B. Sicardy, M. Assafin, J. L. Ortiz, T. Bertrand, E. Lellouch, J. Desmars, F. Forget, D., ... J. Ohlert ...
  2019, Astronomy & Astrophysics 625, A42, March 2019
  https://arxiv.org/abs/1903.02315
  https://arxiv.org/pdf/1903.02315.pdf
  


• The PHEMU15 catalogue and astrometric results of the Jupiter's Galilean satellite mutual occultation and eclipse observations made in 2014–2015
  E. Saquet, N. Emelyanov, V. Robert, J.-E. Arlot, P. Anbazhagan, K. Baillié, J. Bardecker, A. A. Berezhnoy, M. Bretton, F. Campos, ... J M Ohlert ...
  2018, Monthly Notices of the Royal Astronomical Society, Volume 474, Issue 4, p. 4730–4739, 11 March 2018
  https://doi.org/10.1093/mnras/stx2957
  https://academic.oup.com/mnras/article-abstract/474/4/4730/4644838
  


• The size, shape, density and ring of the Dwarf planet Haumea from a stellar occultation
  J. L. Ortiz, P. Santos-Sanz, B. Sicardy, ... J. Ohlert ...
  2017, Nature, Volume 550, Issue 7675, pp. 219-223
  Scientific paper in online version
  


• The 19th of July 2016 Multi-Chord Stellar Occultation by Pluto - A European PRO-AM cooperation
  Beisker, W.; Eberle, A.; ... Ohlert, J. ...
  European Planetary Science Congress 2017, 17-22 September 2017, Riga Latvia, id. EPSC2017-829
  http://meetingorganizer.copernicus.org/EPSC2017/EPSC2017-829-4.pdf
  

• Double Star Measurements at the Northern Sky with a 1.2 m Cassegrain Telescope in 2023/24
  Rainer Anton, Johannes M. Ohlert
  2025, The Journal of Double Star Observations, July 13., 2025 Vol 21 No 3 p.250-262
  https://doublestarsjournal.org/index.php/jdso/issue/view/4/3
  
https://doublestarsjournal.org/index.php/jdso/index


• Further lunar occultations results from the Trebur Observatory, 2021–24
  J.M. Ohlert, A. Richichi
  2024, New Astronomy, Vol. 113, Sept. 2024, 102289
  https://doi.org/10.1016/j.newast.2024.102289
  https://www.sciencedirect.com/science/article/pii/S1384107624001039?via%3Dihub
  


• Speckle Analysis and Lucky Imaging of Close Double Stars with a 1.2 m Cassegrain Telescope in 2022
  Rainer Anton, Johannes M. Ohlert
  2023, The Journal of Double Star Observations, Vol 19 No 2 April 1, 2023 p.95-105
  http://www.jdso.org/volume19/number2/Anton_95_105.pdf
  


• Speckle Observations of Close Double Stars with a 1.2 m Cassegrain Telescope in 2021
  Johannes M. Ohlert and Rainer Anton
  2022, The Journal of Double Star Observations, April 4., 2022 Vol 18 No 2 p.111-121
  http://www.jdso.org/volume18/number2/Ohlert_111_121.pdf
  


• First lunar occultations results from the Trebur observatory
  A. Richichi, J.M. Ohlert
  2021, New Astronomy, Vol. 83, Febr. 2021, 101466
  https://doi.org/10.1016/j.newast.2020.101466
  


• Speckle Observations of Albireo A
  Rainer Anton and Johannes M. Ohlert
  2020, Journal of Double Star Observations, Nov.1, 2020 Vol. 16 No. 5 p.454-457
  http://www.jdso.org/volume16/number5/Anton_454_457.pdf
  


• Diagnosing the Clumpy Protoplanetary Disk of the UXor Type Young Star GM Cephei
  P. C. Huang, W. P. Chen, M. Mugrauer, R. Bischoff, J. Budaj, O. Burkhonov, S. Ehgamberdiev, R. Errmann, Z. Garai, H. Y. Hsiao, R. Janulis, E. L. N. Jensen, S. Kiyota, K. Kuramoto, C. S. Lin, H. C. Lin, J. Z Liu, O. Lux, H. Naito, R. Neuhäuser, J. Ohlert, E. Pakštien?, T. Pribulla, J. K. T. Qvam, St. Raetz, S. Sato, M. Schwartz, E. Semkov, S. Takagi, D. Wagner, M. Watanabe, Y. Zhang
  2019, The Astrophysical Journal, 871, 183
  https://arxiv.org/abs/1902.04824
  https://arxiv.org/pdf/1902.04824.pdf
  


• On the nature of the candidate T-Tauri star V501 Aurigae
  M. Vanko, G. Torres, L. Hambálek, T. Pribulla, L.A. Buchhave, J. Budaj, P. Dubovský, Z. Garai, C. Ginski, K. Grankin, R. Komžík, V. Krushevska, E. Kundra, C. Marka, M. Mugrauer, R. Neuhaeuser, J. Ohlert, Š. Parimucha, V. Perdelwitz, St. Raetz, S.Yu. Shugarov
  2017, Monthly Notices of the Royal Astronomical Society, Volume 467, Issue 4, p.4902-4913
  https://arxiv.org/abs/1702.04512
  https://arxiv.org/pdf/1702.04512.pdf
  


• VSX J075328.9+722424: a new sdB+M dwarf variable?
  Prinulla, T., Dimitrov, D., Kjurkchieva, D., Kohl. S., Kundra, E., Ohlert, J., Perdelwitz, V., Srdoc, G., Vanko, M.
  2013, Information Bulletin on Variable Stars, No. 6067, #1.
  http://www.konkoly.hu/cgi-bin/IBVS?6067
  http://www.konkoly.hu/cgi-bin/IBVSpdf?6067
  


• A new Doppler image of the weak-line T Tauri star V430 Tauri
  Tobias Schmidt, Eike Guenther, Artie P. Hatzes, Christoph Ries, Michael Hartmann, Johannes M. Ohlert, Holger Lehmann
  2005, Astronomische Nachrichten / AN 326, No 7 (2005) S. 667