Giannetti, A.; Bovino, S.; Caselli, P.; Leurini, S.; Schleicher, D.R.G.; Körtgen, B.; Menten, K.M.; Pillai, T.; Wyrowski, F.: A timeline for massive star-forming regions via combined observation of o-H2D+ and N2D+. aap 621, L7, p. L7 (2019)

Gieser, C.; Semenov, D.; Beuther, H.; Ahmadi, A.; Mottram, J.C.; Henning, T.; Beltran, M.; Maud, L.T.; Bosco, F.; Leurini, S. et al.; Peters, T.; Klaassen, P.; Kuiper, R.; Feng, S.; Urquhart, J.S.; Moscadelli, L.; Csengeri, T.; Lumsden, S.; Winters, J.M.; Suri, S.; Zhang, Q.; Pudritz, R.; Palau, A.; Menten, K.M.; Galvan-Madrid, R.; Wyrowski, F.; Schilke, P.; Sánchez-Monge, á.; Linz, H.; Johnston, K.G.; Jiménez-Serra, I.; Longmore, S.; Möller, T.: Chemical complexity in high-mass star formation. An observational and modeling case study of the AFGL 2591 VLA 3 hot core. aap 631, A142, p. A142 (2019)

Giuliano, B.M.; Bizzocchi, L.; Pietropolli Charmet, A.; Arenas, B.E.; Steber, A.L.; Schnell, M.; Caselli, P.; Harris, B.J.; Pate, B.H.; Guillemin, J.-C. et al.; Belloche, A.: Rotational spectroscopy of imidazole: improved rest frequencies for astrophysical searches. aap 628, A53, p. A53 (2019)

Goddi, C.; Crew, G.; Impellizzeri, V.; Martí-Vidal, I.; Matthews, L.D.; Messias, H.; Rottmann, H.; Alef, W.; Blackburn, L.; Bronzwaer, T. et al.; Chan, C.-K.; Davelaar, J.; Deane, R.; Dexter, J.; Doeleman, S.; Falcke, H.; Fish, V.L.; Fraga-Encinas, R.; Fromm, C.M.; Herrero-Illana, R.; Issaoun, S.; James, D.; Janssen, M.; Kramer, M.; Krichbaum, T.P.; De Laurentis, M.; Liuzzo, E.; Mizuno, Y.; Moscibrodzka, M.; Natarajan, I.; Porth, O.; Rezzolla, L.; Rygl, K.; Roelofs, F.; Ros, E.; Roy, A.L.; Shao, L.; van Langevelde, H.J.; van Bemmel, I.; Tilanus, R.; Torne, P.; Wielgus, M.; Younsi, Z.; Zensus, J.A.; Collaboration, E. H. T.: First M87 Event Horizon Telescope Results and the Role of ALMA. The Messenger 177, pp. 25 - 35 (2019)

Goddi, C.; Martí-Vidal, I.; Messias, H.; Crew, G.B.; Herrero-Illana, R.; Impellizzeri, V.; Rottmann, H.; Wagner, J.; Fomalont, E.; Matthews, L.D. et al.; Petry, D.; Phillips, N.; Tilanus, R.; Villard, E.; Blackburn, L.; Janssen, M.; Wielgus, M.: Calibration of ALMA as a Phased Array. ALMA Observations During the 2017 VLBI Campaign. pasp 131 (1001), p. 075003 (2019)

Goedhart, S.; van Rooyen, R.; van der Walt, D.J.; Maswanganye, J.P.; Sanna, A.; MacLeod, G.C.; van den Heever, S.P.: Periodic variability of the mainline hydroxyl masers in G9.62+0.20E. mnras 485 (4), pp. 4676 - 4685 (2019)

Gokus, A.; Angioni, R.: Fermi-LAT detection of renewed gamma-ray activity from the blazars PKS 0346-27 and PKS 2246+208. The Astronomer's Telegram 12693, p. 1 (2019)

Gómez-Ruiz, A.I.; Gusdorf, A.; Leurini, S.; Menten, K.M.; Takahashi, S.; Wyrowski, F.; Güsten, R.: Warm gas in protostellar outflows. II. Extremely high-velocity emission jet and outflows from OMC-2/3. aap 629, A77, p. A77 (2019)

Gong, Y.; Tang, X.D.; Henkel, C.; Menten, K.M.; Mao, R.Q.; Wang, Y.; Lee, M.-Y.; Zhu, W.S.; Lin, Y.; Zhang, S.B. et al.; Chen, X.P.; Yang, W.J.: Searching for further evidence for cloud─cloud collisions in L1188. aap 632, A115, p. A115 (2019)

González-López, J.; Decarli, R.; Pavesi, R.; Walter, F.; Aravena, M.; Carilli, C.; Boogaard, L.; Popping, G.; Weiss, A.; Assef, R.J. et al.; Bauer, F.E.; Bertoldi, F.; Bouwens, R.; Contini, T.; Cortes, P.C.; Cox, P.; da Cunha, E.; Daddi, E.; Díaz-Santos, T.; Inami, H.; Hodge, J.; Ivison, R.; Le Fèvre, O.; Magnelli, B.; Oesch, P.; Riechers, D.; Rix, H.-W.; Smail, I.; Swinbank, A.M.; Somerville, R.S.; Uzgil, B.; van der Werf, P.: The Atacama Large Millimeter/submillimeter Array Spectroscopic Survey in the Hubble Ultra Deep Field: CO Emission Lines and 3 mm Continuum Sources. apj 882 (2), 139, p. 139 (2019)

Goto, M.; Geballe, T.R.; Harju, J.; Caselli, P.; Sipilä, O.; Menten, K.M.; Usuda, T.: Search for H3+ isotopologues toward CRL 2136 IRS 1. aap 632, A29, p. A29 (2019)

Gourdji, K.; Michilli, D.; Spitler, L.G.; Hessels, J.W.T.; Seymour, A.; Cordes, J.M.; Chatterjee, S.: A Sample of Low-energy Bursts from FRB 121102. apjl 877 (2), L19, p. L19 (2019)

GRAVITY Collaboration; including Eckart, A.: First direct detection of an exoplanet by optical interferometry. Astrometry and K-band spectroscopy of HR 8799 e. aap 623, L11, p. L11 (2019)

GRAVITY Collaboration; including Eckart, A.: Test of the Einstein Equivalence Principle near the Galactic Center Supermassive Black Hole. prl 122 (10), 101102, p. 101102 (2019)

GRAVITY Collaboration; including Eckart, A.: A geometric distance measurement to the Galactic center black hole with 0.3% uncertainty. aap 625, L10, p. L10 (2019)

GRAVITY Collaboration; including Eckart, A.: Scalar field effects on the orbit of S2 star. mnras 489 (4), pp. 4606 - 4621 (2019)

GRAVITY Collaboration; including Eckart, A.; Weigelt, G.: Probing the Discs of Herbig Ae/Be Stars at Terrestrial Orbits. The Messenger 178, pp. 38 - 40 (2019)

GRAVITY Collaboration; including Eckart, A.; Weigelt, G.: Multiple Star Systems in the Orion Nebula. The Messenger 178, pp. 36 - 38 (2019)

GRAVITY Collaboration; including Eckart, A.; Weigelt, G.: Images at the Highest Angular Resolution with GRAVITY: The Case of η Carinae. The Messenger 178, pp. 31 - 33 (2019)

GRAVITY Collaboration; including Eckart, A.; Weigelt, G.: Spatially Resolved Accretion-Ejection in Compact Binaries with GRAVITY. The Messenger 178, pp. 29 - 31 (2019)