Ma, Y.K.; Mao, S.A.; Stil, J.; Basu, A.; West, J.; Heiles, C.; Hill, A.S.; Betti, S.K.: A broad-band spectro-polarimetric view of the NVSS rotation measure catalogue - II. Effects of off-axis instrumental polarization. mnras 487 (3), pp. 3454 - 3469 (2019)

Ma, Y.K.; Mao, S.A.; Stil, J.; Basu, A.; West, J.; Heiles, C.; Hill, A.S.; Betti, S.K.: A broad-band spectro-polarimetric view of the NVSS rotation measure catalogue - I. Breaking the npi-ambiguity. mnras 487 (3), pp. 3432 - 3453 (2019)

Madison, D.R.; Agarwal, D.; Aggarwal, K.; Young, O.; Cromartie, H.T.; Lam, M.T.; Chatterjee, S.; Cordes, J.M.; Garver-Daniels, N.; Lorimer, D.R. et al.; Lynch, R.S.; McLaughlin, M.A.; Ransom, S.M.; Wharton, R.S.: A Deep Targeted Search for Fast Radio Bursts from the Sites of Low-redshift Short Gamma-Ray Bursts. apj 887 (2), 252, p. 252 (2019)

Mandarakas, N.; Blinov, D.; Liodakis, I.; Kouroumpatzakis, K.; Zezas, A.; Panopoulou, G.V.; Myserlis, I.; Angelakis, E.; Hovatta, T.; Kiehlmann, S. et al.; Kokolakis, K.; Paleologou, E.; Pouliasi, A.; Skalidis, R.; Pavlidou, V.: Search for AGN counterparts of unidentified Fermi-LAT sources with optical polarimetry. Demonstration of the technique. aap 623, A61, p. A61 (2019)

Mangum, J.G.; Ginsburg, A.G.; Henkel, C.; Menten, K.M.; Aalto, S.; van der Werf, P.: Fire in the Heart: A Characterization of the High Kinetic Temperatures and Heating Sources in the Nucleus of NGC 253. apj 871 (2), 170, p. 170 (2019)

Marasco, A.; Fraternali, F.; Heald, G.; de Blok, W.J.G.; Oosterloo, T.; Kamphuis, P.; Józsa, G.I.G.; Vargas, C.J.; Winkel, B.; Walterbos, R.A.M. et al.; Dettmar, R.J.; Juẗte, E.: HALOGAS: the properties of extraplanar HI in disc galaxies. aap 631, A50, p. A50 (2019)

Marchesini, E.J.; Masetti, N.; Palazzi, E.; Chavushyan, V.; Jiménez-Bailón, E.; Patiño-Álvarez, V.M.; Reynaldi, V.; Rojas, A.F.; Saviane, I.; Andruchow, I. et al.; Bassani, L.; Bazzano, A.; Bird, A.J.; Malizia, A.; Minniti, D.; Monaco, L.; Stephen, J.B.; Ubertini, P.: Optical spectroscopic classification of 35 hard X-ray sources from the Swift-BAT 70-month catalogue. apss 364 (9), 153, p. 153 (2019)

Marcote, B.; Nimmo, K.; Salafia, O.S.; Paragi, Z.; Hessels, J.W.T.; Petroff, E.; Karuppusamy, R.: Resolving the Decades-long Transient FIRST J141918.9+394036: An Orphan Long Gamma-Ray Burst or a Young Magnetar Nebula? apjl 876 (1), L14, p. L14 (2019)

Martín, S.; Muller, S.; Henkel, C.; Meier, D.S.; Aladro, R.; Sakamoto, K.; van der Werf, P.P.: Spatially resolved carbon and oxygen isotopic ratios in NGC 253 using optically thin tracers. aap 624, A125, p. A125 (2019)

Martin-Drumel, M.-A.; Lee, K.L.K.; Belloche, A.; Zingsheim, O.; Thorwirth, S.; Müller, H.S.P.; Lewen, F.; Garrod, R.T.; Menten, K.M.; McCarthy, M.C. et al.; Schlemmer, S.: Submillimeter spectroscopy and astronomical searches of vinyl mercaptan, C2H3SH. aap 623, A167, p. A167 (2019)

Martinez, J.G.; Gentile, P.; Freire, P.C.C.; Stovall, K.; Deneva, J.S.; Desvignes, G.; Jenet, F.A.; McLaughlin, M.A.; Bagchi, M.; Devine, T.: The Discovery of Six Recycled Pulsars from the Arecibo 327 MHz Drift-Scan Pulsar Survey. apj 881 (2), 166, p. 166 (2019)

Massi, F.; Weiss, A.; Elia, D.; Csengeri, T.; Schisano, E.; Giannini, T.; Hill, T.; Lorenzetti, D.; Menten, K.; Olmi, L. et al.; Schuller, F.; Strafella, F.; De Luca, M.; Motte, F.; Wyrowski, F.: Dense cores and star formation in the giant molecular cloud Vela C★★★. aap 628, A110, p. A110 (2019)

Matter, A.; Labadie, L.; Kreplin, A.; Lopez, B.; Wolf, S.; Weigelt, G.; Ertel, S.; Pott, J.-U.; Danchi, W.C.: Evidence of a discontinuous disk structure around the Herbig Ae star HD 139614 (Corrigendum). aap 632, C2, p. C2 (2019)

Matthews, L.D.; Claussen, M.J.; Harper, G.M.; Menten, K.M.; Ridgway, S.: Unlocking the Secrets of Late-Stage Stellar Evolution and Mass Loss through Radio Wavelength Imaging. baas 51 (3), 424, p. 424 (2019)

Maury, A.J.; André, P.; Testi, L.; Maret, S.; Belloche, A.; Hennebelle, P.; Cabrit, S.; Codella, C.; Gueth, F.; Podio, L. et al.; Anderl, S.; Bacmann, A.; Bontemps, S.; Gaudel, M.; Ladjelate, B.; Lefèvre, C.; Tabone, B.; Lefloch, B.: Characterizing young protostellar disks with the CALYPSO IRAM-PdBI survey: large Class 0 disks are rare. aap 621, A76, p. A76 (2019)

McKee, J.W.; Stappers, B.W.; Bassa, C.G.; Chen, S.; Cognard, I.; Gaikwad, M.; Janssen, G.H.; Karuppusamy, R.; Kramer, M.; Lee, K.J. et al.; Liu, K.; Perrodin, D.; Sanidas, S.A.; Smits, R.; Wang, L.; Zhu, W.W.: A detailed study of giant pulses from PSR B1937+21 using the Large European Array for Pulsars. mnras 483 (4), pp. 4784 - 4802 (2019)

Medina, S.-N.X.; Urquhart, J.S.; Dzib, S.A.; Brunthaler, A.; Cotton, B.; Menten, K.M.; Wyrowski, F.; Beuther, H.; Billington, S.J.; Carrasco-Gonzalez, C. et al.; Csengeri, T.; Gong, Y.; Hofner, P.; Nguyen, H.; Ortiz-León, G.N.; Ott, J.; Pandian, J.D.; Roy, N.; Sarkar, E.; Wang, Y.; Winkel, B.: GLOSTAR: Radio Source Catalog I. 28° < l < 36° and |b| < 1°. aap 627, A175, p. A175 (2019)

Mehner, A.; de Wit, W.-J.; Asmus, D.; Morris, P.W.; Agliozzo, C.; Barlow, M.J.; Gull, T.R.; Hillier, D.J.; Weigelt, G.: Mid-infrared evolution of η Carinae from 1968 to 2018. aap 630, L6, p. L6 (2019)

Miao, X.; Shao, L.; Ma, B.-Q.: Bounding the mass of graviton in a dynamic regime with binary pulsars. prd 99 (12), 123015, p. 123015 (2019)

Miskolczi, A.; Heesen, V.; Horellou, C.; Bomans, D.-J.; Beck, R.; Heald, G.; Dettmar, R.-J.; Blex, S.; Nikiel-Wroczyński, B.; Chyzy, K.T. et al.; Stein, Y.; Irwin, J.A.; Shimwell, T.W.; Wang, Q.D.: CHANG-ES XII. A LOFAR and VLA view of the edge-on star-forming galaxy NGC 3556. aap 622, A9, p. A9 (2019)