Tag Archives: telescope

Astrophysicist Wins Millions Of Dollars For Blackhole And Quasar Study

Schmidt Futures Grants Lehman Astrophysicist $2.94 Million USD For Study of Quasars, Black Holes

BRONX, N.Y. – (August , 2020) – A Lehman College astrophysicist has been awarded a $2.94 million grant by Schmidt Futures, for a five-year study about the structure and evolution of the universe, black holes, quasars and dark energy.

Where have all the quasars gone?

Schmidt Futures is a philanthropic initiative, founded by Eric and Wendy Schmidt. Eric Schmidt is the former CEO of Google. The grant will award $1.8 million directly to Lehman College and the remainder as a subaward to the University of Montreal.

“This by far is the biggest project we’ve ever attempted,” said Matthew O’Dowd, an associate professor in the Physics and Astronomy Department and writer and host of PBS Space Time. “It’s quite ambitious…and will define the next five years of our scientific lives.”

O’Dowd will lead a team of researchers and students from Lehman, the Borough of Manhattan Community College (BMCC) and the University of Montreal as they study data collected from the Vera C. Rubin Observatory (previously referred to as the Large Synoptic Survey Telescope (LSST), currently under construction on Cerro Pachón in Chile. It is an 8-meter-class telescope coupled to a 3.2-gigapixel camera – the world’s largest digital camera ever fabricated for optical astronomy.

A photograph and rendering mix of the exterior of the Vera C. Rubin Observatory building on Cerro Pachón in Chile. Image credit: LSST/NSF/AURA

The observatory, the first in the U.S. to be named after a woman, will survey the entire sky of the Southern Hemisphere every three days for the next decade, O’Dowd said, and will map the dynamic nature of the universe. Each single snapshot will cover an area 40 times the size of the full moon.

O’Dowd’s team will develop a machine-learning pipeline (also known as artificial intelligence) for the observatory “to analyze the flickerings of thousands of distant quasars whose light in the very distant universe is powered by violent storms of matter falling into gigantic black holes,” he said.

Due to the enormous dataset and the non-linearity of the problem, machine learning methods are the only viable method for integrating these effects into a model and analyzing thousands of quasars in real time.

“I believe I have assembled the only people in the world who can do this before LSST begins operation, including some machine learning leaders who have just taken faculty jobs at the University of Montreal,” he said. “So that’s our plan: to develop new machine-learning techniques and build them into an analysis pipeline for (the observatory).”

“People are fascinated by these things and we hope to extend their curiosity about the wonders of the universe,” O’Dowd said.

Once the team begins work, O’Dowd will invite Lehman graduates, post-doctoral fellows and current Lehman undergraduates to participate in the project.

“This project is exciting and will help us attract excellent grad students and if it also helps influence other students to come to Lehman, then that’s fantastic,” he said.

“This is an excellent project that will push the limits of precision of measurement and very difficult computing to clarify important questions in cosmology and high-energy astrophysics,” said Stuart Feldman, chief scientist of Schmidt Futures. “We are delighted to support this path breaking work.”

“This is an incredibly prestigious award and we are incredibly proud of Matt,” said Dr. Pamela Mills, dean of the College’s School of Natural and Social Sciences. “He is very good at communicating science and is an amazing physicist. He is, and has been tapped, as one our young leaders.”

Watch LIVE and archived streams of Mars Rover Curiosity

We’re back on Mars!

If you’re a space geek, science fan or techno nerd then you may already know a bit about the latest planetary lander called Curiosity. Today (August 6th, 2012) this engineering marvel (not to mention the challenge of sending and landing) sits near Gale Crater (this crater is so big there’s a mountain called Mount Sharp inside it CP) and prepares to investigate some of the most geologically interesting areas on the Red Planet.

What’s the big deal? This is an investigation that could unravel the greatest mystery of all…..”is/was there life out there?” So without further ado, here is the LIVE stream with real time chat. Update Aug6 10:03PM EDT the first LIVE stream has ended but has been archived and will play in the window below. Other LIVE streams will play in real-time as the mission developments continue. CP Update Aug22  1:03PM EDT we will be streaming the LIVE NASA press conference with updates on the mission and rover status. Video feed begins at 2:30 PM EDT CP

 

Live broadcasting by Ustream

  Stop-motion landing sequence video

 

August 22nd 2012 post NASA stream-

Testing out the optics on board the rover. These are an array of basalt rocks likely similiar to “Coronation”

 
The MARS/NASA/JPL team showed media the first scientifically laser-beamed and analyzed Mars rock during today’s press conference. This Basaltic rock (called Coronation by the team) displayed interesting hydrogen variations and preliminary results showed more hydrogen measured on its surface with exponentially decreasing amounts as the laser probed deeper.

Planetary Scientist Joy Crisp answering media questions during today’s Live feed.

The plan now before searching for water, is a ramping up of technical and rover checkouts, a more thorough planning order of activities and lengths, driving the rover to new sites for rock drilling and investigating what scientists are calling ‘scours’- ground indentations made by the Sky Crane thrusters during the descent of the Mars rover.
Scientists caution the fact that there are no definitive time tables for upcoming tests. This is due to such unpredictable conditions as weather forecasting and rover checkouts and performance. As these tests are conducted and checkouts are completed, the Mars team hope to learn how to ‘fine tune’ future tests after properly calibrating the rovers testing instruments. For example, the wavelength instrument is affected by the slight temperature shifts from the time of the Mars day and from the rover’s movements.

Spectrum results from Mars Rock “Coronation”. Note the Hydrogen peak after laser ‘zap’ #1. image:NASA/TheSilo

Reporter questions focused on the geological aspects of today’s conference and the team responded enthusiastically about plans to drive the rover to areas that have bedrock and opportunities for testing varied rock types. A short video in honor of deceased science fiction author and Mars fan Ray Bradbury rounded things out. As one scientist put it “ We are only 16 days into a two year mission.” Stay tuned. CP