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4 votes
1 answer
538 views

Has the new type II supernova SN 2023ixf's subtype been determined yet, and is a tentative light curve possible? Is it still getting brighter?

Wikipedia's article on SN 2023ixf begins: SN 2023ixf is a type II (core collapse) supernova located in the Pinwheel Galaxy (M101). It was first observed on May 19, 2023 by Koichi Itagaki and ...
uhoh's user avatar
  • 30.7k
4 votes
1 answer
73 views

How much time do I have left to easily spot the recently brightened Recurrent Nova RS Ophiuchi with binoculars and mild light pollution?

Excellent answers to Binocular-friendly star map to find the Recurrent Nova RS Ophiuchi? provide some helpful maps for circa 8° FOV binoculars, but due to spatial and potential meteorological ...
uhoh's user avatar
  • 30.7k
2 votes
0 answers
220 views

Sinusoidal Light curve of an eclipsing binary [closed]

This light curve seems really weird to me, I'm used to seeing light curves where the barycenter is a straight line. It either stays at a place, moves at a constant speed or slowly increases its speed. ...
Arnab Chowdhury's user avatar