Stargazing Is There a Reliable Supernova Alert System?

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SUMMARY

Reliable supernova alert systems are limited, particularly for distant supernovae. The SNEWS (Supernova Early Warning System) is designed for detecting supernovae in our galaxy using neutrino signals but lacks the capability for broader alerts. Users seeking comprehensive notifications for all supernova events may consider CBAT (Central Bureau for Astronomical Telegrams), although it requires a subscription and covers various transient phenomena. For effective observation, the capabilities of a 20-inch telescope may be hindered by local light pollution, impacting the visibility of magnitude 15 events.

PREREQUISITES
  • Understanding of SNEWS (Supernova Early Warning System)
  • Familiarity with CBAT (Central Bureau for Astronomical Telegrams)
  • Knowledge of light curve analysis in astronomy
  • Awareness of the impact of light pollution on astronomical observations
NEXT STEPS
  • Research the capabilities and limitations of SNEWS for supernova detection
  • Explore subscription options and features of CBAT for transient phenomena alerts
  • Learn techniques for creating light curves from supernova observations
  • Investigate methods to mitigate light pollution for improved telescope performance
USEFUL FOR

Astronomy students, amateur astronomers, and researchers interested in supernova detection and observation techniques.

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!
 
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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