A. Kobak, A. Bartkiewicz, M. Szymczak, Olech, M., M. Durjasz, P. Wolak, Chibueze, J.O., Hirota, T., Eislöffel, J., Stecklum, B., Sobolev, A., Bayandina, O., Orosz, G., Burns, R. A., Kim, K.-T., van den Heever, S.P. "Multi-frequency VLBI observations of maser lines during the 6.7 GHz maser flare in the high-mass young stellar object G24.33+0.14 " Astron. Astrophys.671, id.A135 (2023), 1-26 DOI: 10.1051/0004-6361/202244772
2022
Hirota, T., P. Wolak, Hunter, T.R., Brogan, C.L., A. Bartkiewicz, M. Durjasz, A. Kobak, Olech, M., M. Szymczak, Burns, R., i inni "Millimeter methanol emission in the high-mass young stellar object G24.33+0.14 " Publ. Astron. Soc. Jap.74, Issue 5 (2022), 1234-1262 DOI: 10.1093/pasj/psac067
2021
M. Durjasz, M. Szymczak, P. Wolak, A. Bartkiewicz "Observations of 12.2 GHz methanol masers towards northern high-mass protostellar objects" Astron. Astrophys.648,118D (2021), 1-13 DOI: 10.1051/0004-6361/202140385
2020
M. Szymczak, P. Wolak, A. Bartkiewicz, M. Aramowicz, M. Durjasz "A search for the OH 6035 MHz line in high-mass star-forming regions" Astron. Astrophys.642, A145 (2020), 1-14 DOI: doi.org/10.1051/0004-6361/202039009
M. Olech, M. Szymczak, P. Wolak, E. Gérard, A. Bartkiewicz "Long-term multi-frequency maser observations of the intermediate-mass young stellar object G107.298+5.639" Astron. Astrophys.634, A41 (2020), 1-18 DOI: doi.org/10.1051/0004-6361/201936943
A. Bartkiewicz, A. Sanna, M. Szymczak, L. Moscadelli, H.J. van Langevelde, P. Wolak "The nature of the methanol maser ring G23.657–00.127 II. Expansion of the maser structure" Astron. Astrophys.637, A15 (2020), 1-12 DOI: doi.org/10.1051/0004-6361/202037562
2019
M. Olech, M. Szymczak, P. Wolak, R. Sarniak, A. Bartkiewicz "6.7GHz variability characteristics of new periodic methanol maser sources" Mon. Not. R. Astron. Soc. 486 (2019), 1236-1254 DOI: doi.org/10.1093/mnras/stz926
L. N. Vol’vach, A.E. Vol’vach, M.G. Larionov,, G. C. MacLeod, S. P. van den Heever, P. Wolak, M. Olech, A.V. Ipatov, D.V. Ivanov, A. G. Mikhailov, A.E. Mel’nikov, K. Menten, A. Belloche, A. Weiss, P. Mazumdar, F. Schuller "A Giant Water Maser Flare in the Galactic Source IRAS 18316-0602" Astron. Rep.63 (2019), 49-65 DOI: 10.1134/S1063772919010062
L. N. Volvach, A. E. Volvach, M. G. Larionov, G. C. MacLeod, P. Wolak, M. Olech, B. Kramer, K. Menten, A. Kraus, J. Brand, A. Zanicelli, S. Poppi, S. Rigini "A Water-Vapor Maser Flare in a High-Velocity Line toward W49N" Astron. Lett.45 (2019), 321-330 DOI: 10.1134/S1063773719050074
F. Rajabi, M. Houde, A. Bartkiewicz, M. Olech, M. Szymczak, P. Wolak "New evidence for Dicke’s superradiance in the 6.7 GHz methanol spectral line in the interstellar medium " Mon. Not. R. Astron. Soc. 484 (2019), 1590-1597 DOI: doi.org/10.1093/mnras/stz074
L. N. Volvach, A. E. Volvach, M. G. Larionov, G. C. MacLeod, S. P. van den Heever, P. Wolak, M. Olech "Powerful bursts of water masers towards G25.65+1.05" Mon. Not. R. Astron. Soc. 482 (2019), L90-L92 DOI: 10.1093/mnrasl/sly193
2018
Grzegorz Nykiel, P. Wolak, Mariusz Figurski "Atmospheric opacity estimation based on IWV derived from GNSS observations for VLBI applications" GPS Solut.22:9 (2018), 1-11 DOI: 10.1007/s10291-017-0675-9
M. Szymczak, M. Olech, P. Wolak, E. Gerard, A. Bartkiewicz "Giant burst of methanol maser in S255IR-NIRS3" Astron. Astrophys.617, A80 (2018), 1-9 DOI: 10.1051/0004-6361/201833443
M. Szymczak, M. Olech, R. Sarniak, P. Wolak, A. Bartkiewicz "Monitoring observations of 6.7 GHz methanol masers" Mon. Not. R. Astron. Soc. 474 (2018), 219- 253 DOI: doi:10.1093/mnras/stx2693
S. V. Pilipenko, M. Gawroński, P. Wolak, RadioAstro Collaboration "The high brightness temperature of B0529+483 revealed by RadioAstron and implications for interstellar scattering" Mon. Not. R. Astron. Soc. 474 (2018), 3523-3534 DOI: 10.1093/mnras/stx2991
2017
Egron E., P. Wolak, M. Gawroński, et al. " Single-dish and VLBI observations of Cygnus X-3 during the 2016 giant flare episode" Mon. Not. R. Astron. Soc. 471 (2017), 2703-2714 DOI: 10.1093/mnras/stx1730
2016
M. Szymczak, M. Olech, P. Wolak, A. Bartkiewicz, M. Gawroński "Discovery of periodic and alternating flares of the methanol and water masers in G107.298+5.639 " Mon. Not. R. Astron. Soc. 459 (2016), 56-60 DOI: doi:10.1093/mnrasl/slw044
2015
M. Szymczak, P. Wolak, A. Bartkiewicz "Discovery of four periodic methanol masers and updated light curve for a further one" Mon. Not. R. Astron. Soc. 448 (2015), 2284-2293 DOI: 10.1093/mnras/stv145
2014
M. Szymczak, P. Wolak, A. Bartkiewicz "6.7 GHz methanol maser variability in Cepheus A" Mon. Not. R. Astron. Soc. 439 (2014), 407-415 DOI: 10.1093/mnras/stu019
2013
P. Wolak, M. Szymczak, Eric Gerard "Long-term polarimetric observations of OH127.8+0.0" Mon. Not. R. Astron. Soc. 430 (2013), 2499-2509 DOI: 10.1093/mnras/stt075
2012
M. Szymczak, P. Wolak, A. Bartkiewicz, K. Borkowski "The Torun catalogue of 6.7 GHz methanol masers" Astron. Nachr. 333, Issue 7 (2012), 634-639 DOI: 10.1002/asna.201211702
2011
M. Szymczak, P. Wolak, A. Bartkiewicz, H. van Langevelde "Periodic variability of 6.7 GHz methanol masers in G22.357+0.066" Astron. Astrophys.531, L3 (2011), 1-6 DOI: 10.1051/0004-6361/201117145