Questions tagged [betelgeuse]
Questions about α Orionis, the red supergiant star located in the "shoulder" of the constellation Orion.
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Are stars expected to become dimmer before a supernova?
With the recent news about the "fainting" of Betelgeuse and the speculation that this might be a precursor to a supernova, I'm wondering if there is any theoretical/observational basis for this ...
user24157
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Daily magnitude of Betelgeuse
I tried searching on the internet and could not find anything, so does anyone know if there's a website which tracks and shows Betelgeuse's magnitude daily? I just went out today and saw that it's ...
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What will it finally take to accurately measure the distance to Betelgeuse?
Comments below What is the maximum distance measurable with parallax? discuss challenges associated with parallax measurements of Betelgeuse and link to Wikipedia’s Betelgeuse; Distance measurements ...
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Can New Horizons be used to measure the distance to Betelgeuse (despite its fickle photocenter)?
The New Horizons spacecraft is almost 50 AU from Earth and near-simultaneous images taken by its telescope and one on Earth have demonstrated parallax without relying on the movement of Earth in it's ...
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Color index B-V of the dimming Betelgeuse
Using AAVSO light curve generator I have plotted V and B magnitudes of Betelgeuse in the past 150 days to see trend of B-V color index. If dust would be the cause of the recent drop in the star ...
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What would Betelgeuse look like from Earth if it was at the edge of the Solar System
If we parked Betelgeuse just outside the Solar System, how big would it look from Earth?
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Will the nebula of Betelgeuse be visible to the naked eye? How bright, how large, how soon, for how long?
When Betelgeuse goes core collapse supernova it will leave a supernova remnant. Will it become visible to the naked eye? If so, in what time frame will it be visible. Will it be star like from the ...
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Did the late 2019 "fainting" of Betelgeuse show any spectral trends that differ from it's normal variability?
update: (August 2020) With all the newest news about including what the Dr. Becky video discusses as linked in How do magnetic fields mess with astronomers' observations? I'll bet this question ...
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What's the correct distance to Betelgeuse? [duplicate]
Reading [1], [2] and this smartphone app[3], I'm getting different answers to the question.
The smartphone app is stating 427ly. [1] states approx. 700 ly, and [2] states approx. 724ly.
Even if I ...
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Intuitive connection between the periods of oscillation of Betelgeuse and the elemental concentrations at its core? (Betelgeuse; Saio et al. (2023))
Preamble (yes it's long, but it's part of this question's premise, so need to spell it out)
Dr. Becky's recent video New study claims Betelgeuse supernova IMMINENT (decades not centuries!) | Night Sky ...
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Betelgeuse appears in a rainbow of colors through a Newtonian telescope
My husband and I are complete amateurs. Tonight was only our second night using our new Orion XT6 Dobsonian telescope. Betelgeuse looked very clear, bright red. However, when we pointed the telescope ...
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How will the 2023 occultation of Betelgeuse be seen from Iran?
I was looking at the Wikipedia page for 319 Leona and I got excited to know that it will occult the bright star Betelgeuse on December 12, 2023 (It's predicted with the use of Solex application):
On ...
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Would the Event Horizon Telescope be able to produce a superior image of Betelgeuse?
Current images of Betelgeuse are already amazing, but I was wondering if the EHT could be able to make a significantly better image, given that Betelgeuse is pretty big and pretty bright?
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Do stars have "radio photospheres"? Are they different from their optical photospheres?
Comments below What is the maximum distance measurable with parallax? discuss challenges associated with parallax measurements of Betelgeuse and link to Wikipedia’s Betelgeuse; Distance measurements ...
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What can be learned by observing tumbling asteroid 319 Leona passing in front of Betelgeuse's fickle photocenter? What campaigns have been organized?
There's a lot of interest in Betelgeuse party because of it's recent fainting behavior, and despite being so close, the huge uncertainty in it's distance due to its fickle photocenter:
Can New ...
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