Questions tagged [time-domain-astronomy]
For questions relating to the study of how and why objects in the cosmos change on timescales from seconds to decades, both in photometric and spectroscopic datasets. Not for questions about the nature of time. There may be a more specific tag, such as variable stars or supernovae
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If a Milky Way supernova were to happen, how long would it take for astronomers to be notified?
If a Supernova were to happen in the Milky Way, how long would it take for astronomers to be notified?
How long would it take for the people running the gravitational wave and neutrino detectors to ...
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History, significance and "drama" (if any) of T-Tauri stars, especially the early bits?
In this answer to Can I write a systematic review as an undergraduate and get it published in a journal? in Academia SE I recounted my memory of an experience from circa 1980:
I had an initially ...
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Are astronomers still using photomultiplier tubes for optical photometry?
In Time domain astronomy and fastest eclipsing binary ZTF J1539+5027 (+20 mag, 6.91 minutes) How to measure it's minimum brightness? I've written
A logarithmic magnitude scale might tend to show ...
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Is there such a thing as a map that shows the current (not observed) positions of celestial objects?
As I understand it, maps of the sky and three-dimensional maps of the universe all show the observed positions of celestial objects.
Are there any maps that show our best guess at their current ...
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What is a typical "pulse rate" for a black hole "heartbeat"? Is the process better understood than it was in 2011?
The 2011 NASA Goddard video NASA | RXTE Detects 'Heartbeat' Of Smallest Black Hole Candidate mentions a heartbeat and includes a graphic of pulses from GRS 1915+105. A screenshot is shown below. No ...
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In what ways are neural net classifiers "better" than search algorithms for eclipsing star system searches? (1D time series, not images of cats)
Neural net classifiers are both "hot" and useful.
TIC 168789840: A Sextuply-Eclipsing Sextuple Star System is quite an interesting read, and describes the use of one trained on a ...
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