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Here's a remarkable animation of
#gb00234, which may be our second known interstellar visitor, taken by astronomer Gennady Borisov - who discovered the object. 2l/Borisov, perhaps? (source: https://astronomy.ru/forum/index.php/topic,175643.0.html …)pic.twitter.com/WObsGj3HJH -
How can we tie together our understanding of ISOs like
#oumuamua and#gb00234 with disks+exoplanet statistics? If 'Oumuamua came from a DSHARP-like disk (below), we should be seeing a lot more ISOs in the coming years -- read all about it in my new Letter: https://arxiv.org/pdf/1909.06387.pdf …pic.twitter.com/rlj0LEd267
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Visible spectra of C/2019 Q4
#Borisov (#gb00234) from GCT! https://twitter.com/skymorph/status/1172798899133800456 …pic.twitter.com/P4c48n0Pr8
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Another confirmed
#interstellar object#gb00234 also known as#C2019Q4 spotted by an independent#astronomer Gennady Borisov. More detail here: https://www.youtube.com/watch?v=KwljgLEP-lE …#space#science#discovery#comet#asteroidpic.twitter.com/1I0iEVIg9r -
First water on an
#extrasolar planet in the habitable zone. Now an interstellar comet. What a week for astronomy. And what a time to be alive!#GB00234#LHS1140bhttps://twitter.com/tony873004/status/1171916077858557952 …
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New Comet C/2019 Q4 (Borisov) (of possible interstellar origin; see previous tweet) just imaged (with the comet +25 degree on the horizon and the Sun -16 degree). Stacking of 13 unfiltered exposures, 90 seconds each with a 0.25-m f/3.4 reflector + CCD
#astronomy#gb00234 pic.twitter.com/NKR3REOLVJ
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Whoever came up with this is a genius.
#gb00234 pic.twitter.com/QB8v6mcSTh
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تم تغير مسمى الزائر الغامض الجديد الذي أتى من بين النجوم من اسمه المرمز
#gb00234 إلى اسم مكتشفه ( Gennadii Borisov) ليصبح اسمه العلمي C/2019 Q4 (Borisov) لاتحتاج السماء لملايين الأموال من أجل أن تكتشف شيء جديد .. يحتاج معدات مناسبة وصبر في المتابعة صورة المُكتشف ومعداته pic.twitter.com/0MpoiaGcWW
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There it is. Interstellar suspect
#gb00234 is now C/2019 Q4 Borisov. There was some confusion earlier today as to which new object was being referenced. It does indeed have an eccentricity greater than 1.0 (3.5). One to watch, too bad its soooo faint. pic.twitter.com/QhRWxhnxHV
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#gb00234 is now recognized as a hyperbolic comet called C/2019 Q4.#C/2019Q$ Here is a simulation of its hyperbolic trajectory through our solar system. It will run in your browser. http://orbitsimulator.com/gravitySimulatorCloud/simulations/1568240819737_c2019q4.html …pic.twitter.com/qf9MDkkxh4
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MPEC is out for new comet C/2019 Q4 (Borisov). Based on available obs the orbit solution converged to hyperbolic elements that would indicate an interstellar origin. More obs are very desiderable. Congrats to Gennadii V. Borisov for this discovery https://minorplanetcenter.net/mpec/K19/K19RA6.html …
#gb00234 pic.twitter.com/mWkJyzi2n4
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Formal announcement of Comet C/2019 Q4 Borisov, aka
#gb00234 https://twitter.com/astrokiwi/status/1171888908415750151 …
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Alright, after fixing a few things in my code to more properly handle hyperbolic orbits, I now get for potential interstellar object
#gb00234 an eccentricity of ~3.0, in line with other estimates. That means a solar system approach velocity of ~30 km/s! pic.twitter.com/zCvn5gv6fI
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Lost of discussion about whether this new object is an asteroid or another interstellar object passing through our Solar System like 'Oumuamua did in 2017
#GB00234 Excited to see more and more observations roll in over the next few weeks to try and pin this down
https://twitter.com/astrokiwi/status/1171721028982231041 … -
يذكر أن
#أموموا أول زائر من خارج المجموعة الشمسية يكتشف أثار كثير من الأسئلة حوله خاصة في شكله وزيادة في سرعته مما جعل البعض يعتقد أنها مركبة فضائية. أما#gb00234 فيعتقد العلماء أنه سيعطينا معلومات أفضل بسبب حجمه ورصدنا له قبل ان يدخل مجموعتنا ستكون دراسة أجسام مابين نجوم ثرية pic.twitter.com/FVQsBY3NQy
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هاوي فلكي أوكراني يلفت أنظار علماء الفلك بإكتشافه جسم آتي إلينا من فضاء مابين النجوم الجسم الذي أطلق عليه اسم
#gb00234 يُعتقد من التحليل الاولي أنه مذنب وقطره حوالي ١٠كلم ومساره يفترض أن يصل لاقرب مسافة للشمس في ديسمبر ثم يغادر يعتبر هذا ثاني زائر يكتشف من خارج مجموعتنا الشمسية pic.twitter.com/DzI1BP0ndbPrikaži ovu nit -
#gb00234 : A Thread: I am doing (initial) orbit determinations of minor bodies since about 20 years. I may call myself a pupil of Brian G. Marsden, who always was conservative with initial orbits and assumed e=1 for comets when the nominal solutions were +-5% around 1. 1/10Prikaži ovu nit -
An amateur Ukranian astronomer has discovered what could be another interstellar object (like 'Oumuamua) on a hyperbolic trajectory through our solar system.
#gb00234 is ~10km across and will come as close as 1.86 AU to Earth in December. https://twitter.com/Astro_Jonny/status/1171763667995697152 …
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From the available data there are indications
#gb00234 is an Interstellar object but much more observations are required to confirm it. I've got my fingers crossed astronomically speaking. I've got all my doings crossed unastronomically speaking
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