Matches in SemOpenAlex for { <https://semopenalex.org/work/W2937969328> ?p ?o ?g. }
Showing items 1 to 65 of
65
with 100 items per page.
- W2937969328 abstract "The first interstellar object, `Oumuamua, was discovered in the Solar System by Pan-STARRS in 2017, allowing for a calibration of the abundance of interstellar objects of its size $sim 100;$ m. One would expect a much higher abundance of smaller interstellar objects, with some of them colliding with Earth frequently enough to be noticeable. Based on the CNEOS catalog of bolide events, we identify the $sim 0.45$m meteor detected at 2014-01-08 17:05:34 UTC as originating from an unbound hyperbolic orbit with 99.999% confidence. We infer that the meteor had an asymptotic speed of $v_{infty} sim 42.1 pm 5.5; mathrm{km ; s^{-1}}$ outside of the solar system. Its origin is approximately towards R.A. $49.4 pm 4.1^{circ}$ and declination $11.2 pm 1.8^{circ}$, implying that its initial velocity vector was $58pm6; mathrm{km;s^{-1}}$ away from the velocity of the Local Standard of Rest (LSR). Its high LSR speed implies a possible origin from the deep interior of a planetary system or a star in the thick disk of the Milky Way galaxy. The local number density of its population is $10^{6{^{+0.75}_{-1.5}}} ; mathrm{AU^{-3}}$ or $9 times 10^{21{^{+0.75}_{-1.5}}} ; mathrm{pc^{-3}}$ (necessitating 0.2 - 20 Earth masses of material to be ejected per local star). This discovery enables a new method for studying the composition of interstellar objects, based on spectroscopy of their gaseous debris as they burn up in the Earth's atmosphere." @default.
- W2937969328 created "2019-04-25" @default.
- W2937969328 creator A5040946565 @default.
- W2937969328 creator A5057418425 @default.
- W2937969328 date "2019-04-15" @default.
- W2937969328 modified "2023-09-23" @default.
- W2937969328 title "Discovery of a Meteor of Interstellar Origin" @default.
- W2937969328 cites W2092153909 @default.
- W2937969328 cites W2782550949 @default.
- W2937969328 hasPublicationYear "2019" @default.
- W2937969328 type Work @default.
- W2937969328 sameAs 2937969328 @default.
- W2937969328 citedByCount "3" @default.
- W2937969328 countsByYear W29379693282019 @default.
- W2937969328 countsByYear W29379693282021 @default.
- W2937969328 crossrefType "posted-content" @default.
- W2937969328 hasAuthorship W2937969328A5040946565 @default.
- W2937969328 hasAuthorship W2937969328A5057418425 @default.
- W2937969328 hasConcept C10393806 @default.
- W2937969328 hasConcept C121332964 @default.
- W2937969328 hasConcept C124200008 @default.
- W2937969328 hasConcept C1276947 @default.
- W2937969328 hasConcept C144024400 @default.
- W2937969328 hasConcept C149923435 @default.
- W2937969328 hasConcept C2778105581 @default.
- W2937969328 hasConcept C2908647359 @default.
- W2937969328 hasConcept C44870925 @default.
- W2937969328 hasConcept C539450922 @default.
- W2937969328 hasConcept C555520305 @default.
- W2937969328 hasConcept C98444146 @default.
- W2937969328 hasConceptScore W2937969328C10393806 @default.
- W2937969328 hasConceptScore W2937969328C121332964 @default.
- W2937969328 hasConceptScore W2937969328C124200008 @default.
- W2937969328 hasConceptScore W2937969328C1276947 @default.
- W2937969328 hasConceptScore W2937969328C144024400 @default.
- W2937969328 hasConceptScore W2937969328C149923435 @default.
- W2937969328 hasConceptScore W2937969328C2778105581 @default.
- W2937969328 hasConceptScore W2937969328C2908647359 @default.
- W2937969328 hasConceptScore W2937969328C44870925 @default.
- W2937969328 hasConceptScore W2937969328C539450922 @default.
- W2937969328 hasConceptScore W2937969328C555520305 @default.
- W2937969328 hasConceptScore W2937969328C98444146 @default.
- W2937969328 hasOpenAccess W2937969328 @default.
- W2937969328 hasRelatedWork W1615945594 @default.
- W2937969328 hasRelatedWork W1661618245 @default.
- W2937969328 hasRelatedWork W1988671752 @default.
- W2937969328 hasRelatedWork W2010633662 @default.
- W2937969328 hasRelatedWork W2029799877 @default.
- W2937969328 hasRelatedWork W2068267896 @default.
- W2937969328 hasRelatedWork W2069723391 @default.
- W2937969328 hasRelatedWork W2097542093 @default.
- W2937969328 hasRelatedWork W2147677616 @default.
- W2937969328 hasRelatedWork W2759502543 @default.
- W2937969328 hasRelatedWork W2770422854 @default.
- W2937969328 hasRelatedWork W2948847937 @default.
- W2937969328 hasRelatedWork W2999877325 @default.
- W2937969328 hasRelatedWork W3100622327 @default.
- W2937969328 hasRelatedWork W3101207537 @default.
- W2937969328 hasRelatedWork W3104680237 @default.
- W2937969328 hasRelatedWork W3105402453 @default.
- W2937969328 hasRelatedWork W3114500826 @default.
- W2937969328 isParatext "false" @default.
- W2937969328 isRetracted "false" @default.
- W2937969328 magId "2937969328" @default.
- W2937969328 workType "article" @default.