Publikacje
2023
- 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 - Kovalev et al., M. Gawroński, M. Kunert-Bajraszewska, P. Wolak,
"Detection statistics of the RadioAstron AGN survey"
Adv. Space Res. 65 (2020), 705-711
DOI: https://ui.adsabs.harvard.edu/link_gateway/2020AdSpR..65..705K/doi:10.1016/j.asr.2019.08.035 - 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 - A. Bartkiewicz, M. Szymczak, M. Durjasz, M. Olech, R. Sarniak, P. Wolak, A. Kobak,
"Toruń Maser Group Highlights"
PAS 10 (2020), 166-168
DOI: https://www.pta.edu.pl/pliki/proc/vol10/v10p166.pdf
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 - P. Wolak, M. Olech, M. Szymczak, A. Bartkiewicz, M. Durjasz,
"Reappearance of methanol maser flare in G24.33+0.14"
ATel 13080 (2019), 1-1
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 - P. Wolak, M. Szymczak, M. Olech, A. Bartkiewicz,
"Global outburst of methanol maser in G24.33+0.14"
IAU S336 13 (2018), 319-320
DOI: 10.1017/S1743921317009930 - M. Olech, M. Szymczak, P. Wolak, A. Bartkiewicz,
"Monitoring and search for periodic methanol masers"
IAU S336 13 (2018), 313-314
DOI: 10.1017/S1743921317010080 - 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 - M. Szymczak, M. Olech, R. Sarniak, P. Wolak, A. Bartkiewicz,
"On the origin of methanol maser variability: Clues from long-term monitoring"
IAU S336 13 (2018), 41-44
DOI: 10.1017/S1743921317010523 - P. Wolak, M. Szymczak,
"Spectroscopy of astrophysical maser lines with the Torun 32m radio telescope"
IEEE Baltic URSI Symp. Conf. Rec. 1 (2018), 355-357
DOI: 10.23919/URSI.2018.8406760 - 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 - P. Wolak, M. Szymczak, A. Bartkiewicz, Eric Gerard,
"Violent maser events in the circumstellar envelope of the pre-planetary nebula IRAS18276-1431"
PoS EVN 2014, 116 (2014), 1-4
DOI: http://pos.sissa.it/archive/conferences/230/116/EVN%202014_116.pdf
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 - P. Wolak, M. Szymczak, A. Bartkiewicz, E. Pazderski, A. Kus, A. Kępa, K. Katarzyński, K. Borkowski, R. Feiler, J. Mazurek, W. Szymański, J. Filarecki,
"Reappearance of 22 GHz water maser in proto-planetary nebula OH17.7-2.0."
ATel 5211 (2013), 1-1
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