Is There a Reliable Supernova Alert System?

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Discussion Overview

The discussion revolves around the availability and reliability of supernova alert systems, particularly for amateur astronomers. Participants explore options for receiving notifications about supernova events to facilitate observational research, including the creation of light curves.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant inquires about a comprehensive alert system for supernovae that would notify them immediately when a supernova occurs, expressing a desire to observe and document the event using their telescope.
  • Another participant mentions SNEWS, noting that it is limited to detecting supernovae in the Milky Way and does not provide early detection for more distant supernovae.
  • A participant elaborates on SNEWS, explaining that it uses neutrino signals for detection, which inherently limits its range due to the nature of neutrinos.
  • There is a mention of CBAT as a potential resource for alerts, but it is noted that it requires payment and covers a wide range of transient phenomena beyond supernovae.
  • Concerns are raised regarding the effectiveness of a 20-inch telescope for observing supernovae, particularly in light-polluted areas, where only certain magnitude events may be visible.

Areas of Agreement / Disagreement

Participants express varying opinions on the reliability and scope of existing supernova alert systems, with no consensus reached on a singular effective solution for all supernovae.

Contextual Notes

Limitations include the dependency of detection systems on specific conditions, such as the location of the observer and the inherent limitations of the technologies used for detection.

Who May Find This Useful

Astronomy enthusiasts, amateur astronomers, and students conducting research on supernovae may find this discussion relevant.

Loup909
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I was wondering if there are any reliable Supernova alert systems, where they notify me as soon as a supernova happens. I have a 20 inch telescope, and I have SNEWS installed. However, since SNEWS is only a detection for nearby galaxies, I was wondering if there is any alert system for supernovae that applies to everything. I just want an alert system that tells me to jump on my telescope as soon as a supernova occurs. I'm actually a student doing a research project, and I'm looking to run to observatory as soon as a supernova happens. I'm trying to make a light curve for it and make it as complete as possible. I know that there's lists of recent supernovae that update once in a while, is there anyway to keep updated on all supernovae?
 
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I hadn't heard of SNEWS, but according to the site it is only for supernovae in our galaxy. I don't think early detection is reliably available for more distant ones.
 
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russ_watters said:
I hadn't heard of SNEWS, but according to the site it is only for supernovae in our galaxy. I don't think early detection is reliably available for more distant ones.
The entire point of SNEWS is to use the neutrino signal to pinpoint the supernova before it is visible in the electromagnetic spectrum. This of course has a limited range because of how sensitive neutrino detectors are.

Edit: Or rather, how non-interactive neutrinos are...
 
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thanks guys! Understood!
 
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There's CBAT, but a) it costs money and b) publishes all sorts of transient phenomena.

Also, a 20" may not be useful, depending on where you are located. You'll get a magnitude 15 event every few weeks. Depending on the light polution, this could be tough.
 
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