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Astro Data Lab

@DataLabAstro

The Astro Data Lab at NSF NOIRLab @NOIRLabAstro: science platform with preinstalled software for astronomy research. #astronomy #discovery #bigdata #dataviz

 Tucson, AZ
datalab.noirlab.edu
Joined February 2017
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📣Undergrad student Isabella Olin is presenting her #aas245 iPoster 465.04 soon (1-2pm) on SDSS/BOSS Large Scale Structure and the "Cosmic Slime" Value-Added Catalog, where she investigates the impact of environment on galaxy quenching 🧵 1/2
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Hi everyone, we're excited to attend #AAS245🔭 Come see live demos of Data Lab, SPARCL, Gemini data reduction & grab Data Lab postcards at the NOIRLab booth # 105D (NSF pavilion). Demo schedule posted below and in our January Newsletter: datalab.noirlab.edu/newslett…
Schedule for the NOIRLab demos at the AAS245 meeting. Demos are at booth #105D in the NSF pavilion. The list of demos per day is the following. Monday, Jan 13: 10am - 11am = Explore large scale structures of galaxies 1pm - 3pm = Reduce Gemini imaging data with DRAGONS 3pm - 4pm = GHOST spectroscopic data reduction 5:30 - 6:30pm = Search and retrieve spectroscopy data with SPARCL Tuesday, Jan 14: 10am - 11am = NEID: tips for optimizing your proposal 11am - 12pm = GHOST spectroscopic data reduction 2pm - 3pm = Reduce Gemini imaging data with DRAGONS 3pm - 4pm = Explore large scale structures of galaxies Wednesday, Jan 15: 9am - 10am = Search and retrieve spectroscopy data with SPARCL 11am - 12pm = GHOST spectroscopic data reduction 2pm - 3pm = Reduce Gemini imaging data with DRAGONS 4:30pm - 5:30pm = Explore large scale structures of galaxies Thursday, Jan 16: 9am - 10am = GHOST spectroscopic data reduction

ALT Schedule for the NOIRLab demos at the AAS245 meeting. Demos are at booth #105D in the NSF pavilion. The list of demos per day is the following. Monday, Jan 13: 10am - 11am = Explore large scale structures of galaxies 1pm - 3pm = Reduce Gemini imaging data with DRAGONS 3pm - 4pm = GHOST spectroscopic data reduction 5:30 - 6:30pm = Search and retrieve spectroscopy data with SPARCL Tuesday, Jan 14: 10am - 11am = NEID: tips for optimizing your proposal 11am - 12pm = GHOST spectroscopic data reduction 2pm - 3pm = Reduce Gemini imaging data with DRAGONS 3pm - 4pm = Explore large scale structures of galaxies Wednesday, Jan 15: 9am - 10am = Search and retrieve spectroscopy data with SPARCL 11am - 12pm = GHOST spectroscopic data reduction 2pm - 3pm = Reduce Gemini imaging data with DRAGONS 4:30pm - 5:30pm = Explore large scale structures of galaxies Thursday, Jan 16: 9am - 10am = GHOST spectroscopic data reduction

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(iii) Now let's try again with N=500 random stars in each bin of "g-r" color. Retrieving all 4000 spectra (8 bins x 500 each) and combining them takes ~ 1 min 30 sec. The results look very nice with a much higher signal-to-noise ratio and a clear trend (relative to N=10)!
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(ii) Next we'll focus on the region of color-color space within the 4 red lines and select stars in 8 small bins of "g-r". First, we pick just 10 random stars per bin. Retrieving 8x10=80 spectra w/ SPARCL, combining them with a median and plotting takes less than 5 seconds!
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Now let's zoom in on a fun use case that illustrates the power of combining the Data Lab and SPARCL! (i) Starting from the Jupyter notebook server of the Data Lab, we queried a SDSS DR16 table for stars and their colors in "g-r" and "z-r" filters and made this color-color plot
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Several Astro Data Lab team members are attending this year's @astroADASS meeting! If you're interested in searching and retrieving spectra from a database, check out our poster on SPARCL: "SPectra Analysis and Retrievable Catalog Lab" #ADASS2023
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The SPARCL website describes the data content (below), includes a user manual, and info about the APIs (3/5)
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SPARCL stands for "SPectra Analysis & Retrievable Catalog Lab" and our main goal is to allow fast access & analysis of large spectroscopic datasets such as @sdssurveys (currently serving DR16) & upcoming public releases of @desisurvey spectra (2/5)
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SPARCLy thread🧵 Interested in learning about our new spectral access database (SPARCL) but missed the demos at #AAS241? You can still check out Alice's poster and/or read on... (1/5) aas241-aas.ipostersessions.c…
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And... we had to do a re-take after one more astro-coder joined the group. Happy Halloween to all!
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