Dr. Noriyuki Matsuna pointed out that phosphor, a critical molecule for live in Earth, is actually not so common. In order words, not all stars are formed from a gas that is suitable for live!

I guess it is obvious in hindsight but I never thought about the possibility of having a planet with the right size and temperature, orbiting a star that has the right mass and age... and still be missing the key ingredients for live!

#MilkyWayWorkshop2022 #Kagoshima #天の川銀河研究会 #鹿児島大学

Dr. Noriyuki Matsuna pointed out that phosphor, a critical molecule for live in Earth, is actually not so common. In order words, not all stars are formed from a gas that is suitable for live!

I guess it is obvious in hindsight but I never thought about the possibility of having a planet with the right size and temperature, orbiting a star that has the right mass and age... and still be missing the key ingredients for live!

#MilkyWayWorkshop2022 #Kagoshima #天の川銀河研究会 #鹿児島大学

And we're back with more talks. This morning, Dr. Nishiyama Shogo showed that the star S0-6/S10, which orbits very close to the supermassive black hole at the centre of the #MilkyWay, was actually born in a dwarf galaxy! How did it get there? 🧐

The SUBARU spectra looks amazing, and the chemistry seems very decisive. They even have proper motions for this star, which blows my mind.

#MilkyWayWorkshop2022 #Kagoshima #天の川銀河研究会 #鹿児島大学

And we're back with more talks. This morning, Dr. Nishiyama Shogo showed that the star S0-6/S10, which orbits very close to the supermassive black hole at the centre of the #MilkyWay, was actually born in a dwarf galaxy! How did it get there? 🧐

The SUBARU spectra looks amazing, and the chemistry seems very decisive. They even have proper motions for this star, which blows my mind.

#MilkyWayWorkshop2022 #Kagoshima #天の川銀河研究会 #鹿児島大学

Excellent talk by master student (M1) Funakoshi Natsuki! She showed us her findings on the new ridges 1 and 2 that we found with Gaia eDR3. But instead of using giants, she looked at the Cepheids to explore the signal in Vr (which we couldn't do with eDR3) and the azimuthal dependence. It seems like ridge 1 is dominated by Vr<0, whereas ridge 2 is mostly Vr>0. Also, their relative proportion changes with azimuth.

Note to self: follow up!!

#MilkyWayWorkshop2022 #Kagoshima #天の川銀河研究会 #鹿児島大学

Excellent talk by master student (M1) Funakoshi Natsuki! She showed us her findings on the new ridges 1 and 2 that we found with Gaia eDR3. But instead of using giants, she looked at the Cepheids to explore the signal in Vr (which we couldn't do with eDR3) and the azimuthal dependence. It seems like ridge 1 is dominated by Vr<0, whereas ridge 2 is mostly Vr>0. Also, their relative proportion changes with azimuth.

Note to self: follow up!!

#MilkyWayWorkshop2022 #Kagoshima #天の川銀河研究会 #鹿児島大学

Follows up Dr. Kohno Mikito with a detailed description of the morphology and velocity profiles of the Local Spur and many nearby filaments using the CO data of FOREST. Also presented a possible explanation for the Local Spur that, if I understood correctly, requires the collision between two GMC.

#MilkyWayWorkshop2022 #Kagoshima #天の川銀河研究会 #鹿児島大学

Follows up Dr. Kohno Mikito with a detailed description of the morphology and velocity profiles of the Local Spur and many nearby filaments using the CO data of FOREST. Also presented a possible explanation for the Local Spur that, if I understood correctly, requires the collision between two GMC.

#MilkyWayWorkshop2022 #Kagoshima #天の川銀河研究会 #鹿児島大学

After the introductions, Dr. Keiichi Wada takes off with an explanation of how machine learning (using Google Collab!) helped them discern between near and far CO clouds towards the 1st quadrant, using their velocity profiles measured with #FUGIN. Then showed us face-on maps of the result and, most interestingly, an estimate of the rate of Cloud-Cloud Collisions.

#MilkyWayWorkshop2022 #Kagoshima #天の川銀河研究会 #鹿児島大学

After the introductions, Dr. Keiichi Wada takes off with an explanation of how machine learning (using Google Collab!) helped them discern between near and far CO clouds towards the 1st quadrant, using their velocity profiles measured with #FUGIN. Then showed us face-on maps of the result and, most interestingly, an estimate of the rate of Cloud-Cloud Collisions.

#MilkyWayWorkshop2022 #Kagoshima #天の川銀河研究会 #鹿児島大学