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The ALMA Survey of Gas Evolution of PROtoplanetary Disks (AGE-PRO): V. Protoplanetary gas disk masses
Leon Trapman, Ke Zhang, Giovanni P. Rosotti, Paola Pinilla, Beno\^it Tabone, Ilaria Pascucci, Carolina Agurto-Gangas, Rossella Anania, John Carpenter, Lucas A. Cieza, Dingshan Deng, Camilo Gonz\'alez-Ruilova, Michiel R. Hogerheijde, Nicol\'as T. Kurtovic, Aleksandra Kuznetsova, James Miley, Laura M. P\'erez, Dary A. Ru\'iz-Rodr\'iguez, Kamber Schwarz, Anibal Sierra,…

The ALMA Survey of Gas Evolution of PROtoplanetary Disks (AGE-PRO): V. Protoplanetary gas disk masses
The evolution of the gas mass of planet-forming disks around young stars is crucial for our understanding of planet formation, yet it has proven hard to constrain observationally, due both to the difficulties of measuring gas masses and the lack of a homogeneous sample. Here we present a large grid of thermochemical models which we use to measure protoplanetary gas disk masses of AGE-PRO, the ALMA survey of Gas Evolution in PROtoplanetary disks. AGE-PRO covers a sample of 30 disks around simila…

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📢 Esken tritt nicht zur Wiederwahl als SPD-Parteivorsitzende an
Saskia Esken wird nicht mehr als Parteivorsitzende der SPD kandidieren. Esken sagte am Abend exklusiv dem ARD-Hauptstadtstudio, es sei für sie an der Zeit, der SPD Raum für ihre Erneuerung zu geben. Die SPD wählt am letzten Juni-Wochenende eine neue Parteiführung.
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Esken tritt nicht zur Wiederwahl als SPD-Parteivorsitzende an
Saskia Esken wird nicht mehr als Parteivorsitzende der SPD kandidieren. Esken sagte am Abend exklusiv dem ARD-Hauptstadtstudio, es sei für sie an der Zeit, der SPD Raum für ihre Erneuerung zu geben. Die SPD wählt am letzten Juni-Wochenende eine neue Parteiführung.

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The ALMA Survey of Gas Evolution of PROtoplanetary Disks (AGE-PRO): II. Dust and Gas Disk Properties in the Ophiuchus Star-forming Region
Dary A. Ruiz-Rodriguez, Camilo Gonzalez-Ruilova, Lucas A. Cieza, Ke Zhang, Leon Trapman, Anibal Sierra, Paola Pinilla, Ilaria Pascucci, Laura M. Perez, Dingshan Deng, Carolina Agurto-Gangas, John Carpenter, Beno\^it Tabone, Giovanni P. Rosotti, Rossella Anania, James Miley, Kamber Schwarz, Aleksandra Kuznetsova, Miguel Vioque, Nicolas Kurtovic

The ALMA Survey of Gas Evolution of PROtoplanetary Disks (AGE-PRO): II. Dust and Gas Disk Properties in the Ophiuchus Star-forming Region
The ALMA survey of Gas Evolution in PROtoplanetary disks (AGE-PRO) Large Program aims to trace the evolution of gas disk mass and size throughout the lifetime of protoplanetary disks. This paper presents Band-6 ALMA observations of 10 embedded (Class I and Flat Spectrum) sources in the Ophiuchus molecular cloud, with spectral types ranging from M3 to K6 stars, which serve as the evolutionary starting point in the AGE-PRO sample. While we find 4 nearly edge on disks (>70 deg.), and 3 highly incl…

The ALMA Survey of Gas Evolution of PROtoplanetary Disks (AGE-PRO): I. Program Overview and Summary of First Results
Ke Zhang, Laura M. P\'erez, Ilaria Pascucci, Paola Pinilla, Lucas A. Cieza, John Carpenter, Leon Trapman, Dingshan Deng, Carolina Agurto-Gangas, Anibal Sierra, Nicol\'as T. Kurtovic, Dary A. Ru\'iz-Rodr\'iguez, Miguel Vioque, James Miley, Beno\^it Tabone, Camilo Gonz\'alez-Ruilova, Rossella Anania, Giovanni P. Rosotti, Estephani TorresVillanueva, Mich…

The ALMA Survey of Gas Evolution of PROtoplanetary Disks (AGE-PRO): I. Program Overview and Summary of First Results
We present the ALMA Survey of Gas Evolution of PROtoplanetary Disks (AGE-PRO), a Large Program of the Atacama Large Millimeter/submillimeter Array (ALMA). AGE-PRO aims to systematically trace the evolution of gas disk mass and size throughout the lifetime of protoplanetary disks. It uses a carefully selected sample of 30 disks around M3-K6 stars in three nearby star-forming regions: Ophiuchus (0.5-1 Myr), Lupus (1-3 Myr), and Upper Sco (2-6 Myr). Assuming the three regions had similar initial c…

The ALMA Survey of Gas Evolution of PROtoplanetary Disks (AGE-PRO): XI. Beam-corrected gas disk sizes from fitting 12CO moment zero maps
Leon Trapman, Miguel Vioque, Nicol\'as T. Kurtovic, Ke Zhang, Giovanni P. Rosotti, Paola Pinilla, John Carpenter, Lucas A. Cieza, Ilaria Pascucci, Rossella Anania, Carolina Agurto-Gangas, Dingshan Deng, James Miley, Laura M. P\'erez, Anibal Sierra, Beno\^it Tabone, Dary A. Ru\'iz-Rodr\'iguez, Camilo Gonz\'alez-Ruilova, Estephani To…

The ALMA Survey of Gas Evolution of PROtoplanetary Disks (AGE-PRO): XI. Beam-corrected gas disk sizes from fitting 12CO moment zero maps
The inward drift of mm-cm sized pebbles in protoplanetary disks has become an important part of our current theories of planet formation and, more recently, planet composition as well. The gas-to-dust size ratio of protoplanetary disks can provide an important constraint on how pebbles have drifted inward provided that observational effects, especially resolution, can be accounted for. Here we present a method for fitting beam-convolved models to integrated intensity maps of line emission using…

On the Mass Budget Problem of Protoplanetary Disks: Streaming Instability and Optically Thick Emission
Daniel Godines, Wladimir Lyra, Luca Ricci, Chao-Chin Yang, Jacob B. Simon, Jeonghoon Lim, Daniel Carrera
https://arxiv.org/abs/2506.10435

On the Mass Budget Problem of Protoplanetary Disks: Streaming Instability and Optically Thick Emission
Statistical studies of protoplanetary disks and exoplanet populations often exhibit a "missing mass" problem, where observed dust masses in (sub-)millimeter surveys are significantly lower than expected when compared to the mass of evolved exoplanetary systems. We investigate how the streaming instability and subsequent planetesimal formation in protoplanetary disks might solve this missing mass problem when (sub-)millimeter observations are interpreted under the assumption of optically thin em…