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Thread: more on Boyajian's Star (the star formerly known as Tabby's)

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    Default more on Boyajian's Star (the star formerly known as Tabby's)



    Update On the Puzzling Boyajian

    why mess with a perfectly decent name for one thing?

    Good explanations for the unusual light curve of Boyajian's Star have been hard to find. Recent results by Montet & Simon lend strength and plausibility to the conclusion of Schaefer that in addition to short-term dimmings, the star also experiences large, secular decreases in brightness on decadal timescales. This, combined with a lack of long-wavelength excess in the star's spectral energy distribution, strongly constrains scenarios involving circumstellar material, including hypotheses invoking a spherical cloud of artifacts. We show that the timings of the deepest dimmings appear consistent with being randomly distributed, and that the star's reddening and narrow sodium absorption is consistent with the total, long-term dimming observed. Following Montet & Simon's encouragement to generate alternative hypotheses, we attempt to circumscribe the space of possible explanations with a range of plausibilities, including: a cloud in the outer solar system, structure in the interstellar medium (ISM), natural and artificial material orbiting Boyajian's Star, an intervening object with a large disk, and variations in Boyajian's Star itself. We find the ISM and intervening disk models more plausible than the other natural models.
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    Default Re: more on Boyajian's Star (the star formerly known as Tabby's)

    i am totally unimpressed by the logic in this paper that rules out intrinsic variability. the timescale arguments are only relevant to radial pulsations for one thing. for another the statement that the decadal long dimming rules out short term intrinsic variability is not a proposition i can accept as true. the counterexample being T Tauri stars known to undergo long term dimming and intrinsic variability. harrrumpph.

    but let's not be too hard on these guys. one is responsible for the Dyson sphere hypothesis.
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    Default Re: more on Boyajian's Star (the star formerly known as Tabby's)

    Quote Originally Posted by not_Fritz_Argelander View Post
    but let's not be too hard on these guys. one is responsible for the Dyson sphere hypothesis.
    rofl2.gif
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    Default Re: more on Boyajian's Star (the star formerly known as Tabby's)

    yeah... i know.... sometimes i just have no respect.....
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    Default Re: more on Boyajian's Star (the star formerly known as Tabby's)

    Quote Originally Posted by not_Fritz_Argelander View Post
    yeah... i know.... sometimes i just have no respect.....
    since i don't want to frighten off gentle readers.... i get very cranky when people who should absolutely know better commit howlingly bad follies. it's not the stupidity that bugs me it's just that i am incredulous at they say what they say. take the IAU for instance.....

    (no, now i am hijacking my own thread. time to put the computer away, have a scotch and sleep.)
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    Default Re: more on Boyajian's Star (the star formerly known as Tabby's)

    Quote Originally Posted by not_Fritz_Argelander View Post
    since i don't want to frighten off gentle readers.... i get very cranky when people who should absolutely know better commit howlingly bad follies. it's not the stupidity that bugs me it's just that i am incredulous at they say what they say. take the IAU for instance.....

    (no, now i am hijacking my own thread. time to put the computer away, have a scotch and sleep.)
    Have a double....


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    Default Re: more on Boyajian's Star (the star formerly known as Tabby's)

    What's going on with this?
    The star of the alien became even more mysterious | Earth Chronicles News
    Valery Makarov from the Observatory of the Navy in Washington and Alex Goldin of the company Teza Technology in Chicago (USA) found new oddities in the blink of this star. They found that her glow dims periodically for 1-7% every part day, and tarnishing found to be associated with the presence of certain objects in its orbit, which we do not see.

    I haven't seen any other reports of this.. Doesn't seem to be a wacky quack report.. What am I missing?

    They found that her glow dims periodically for 1-7% every part day
    What the heck does that mean? This thing is dipping daily?? or is this just some kind of measurement error?

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    Default Re: more on Boyajian's Star (the star formerly known as Tabby's)

    Quote Originally Posted by Murphy625 View Post
    What's going on with this?
    The star of the alien became even more mysterious | Earth Chronicles News
    Valery Makarov from the Observatory of the Navy in Washington and Alex Goldin of the company Teza Technology in Chicago (USA) found new oddities in the blink of this star. They found that her glow dims periodically for 1-7% every part day, and tarnishing found to be associated with the presence of certain objects in its orbit, which we do not see.

    I haven't seen any other reports of this.. Doesn't seem to be a wacky quack report.. What am I missing?

    They found that her glow dims periodically for 1-7% every part day
    What the heck does that mean? This thing is dipping daily?? or is this just some kind of measurement error?
    I think the only thing you are missing is that it is a wacky crank report written in quack-speak.
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    Default Re: more on Boyajian's Star (the star formerly known as Tabby's)

    I've tried to decode the entire article. I think it is written by native Russian speakers whose English is none too good. If it make sense it might be trying to report intraday variations. I'm not sure though. Intraday variation would imply pulsation in non radial modes, a fave idea of mine. So I might be reading my bias into the nearly indecipherable text.
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    Default Re: more on Boyajian's Star (the star formerly known as Tabby's)

    Quote Originally Posted by not_Fritz_Argelander View Post
    I think the only thing you are missing is that it is a wacky crank report written in quack-speak.
    I think this part "Valery Makarov from the Observatory of the Navy in Washington" might have thrown me off..

    I thought something was up or it would have been reported in more than one rouge article.

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