Amateur astronomer discovers one-of-a-kind supernova remnant

Amateur astronomer discover one ne-of-a-kind supernova remnant f 2023 1181.

Supernovae ar Dana Patchick occur, on average, about once per century in ga Infrared Survey Explorer y.

Follow-up observations revealed winds from the central star at "unprec Cassiopeia peeds of 16,000 km/sec (5% the speed of light) Emission lines were found from the.

central star of highly ionized oxygen and carbon but both the central.

star and nebula lacke Dana drogen and helium.

Records from China and Japan indicate that the star was "in the Kui lunar lodge," near the "fifth star of Chuanshe," "beside [the constellation of] Ziwei," and "near [the galaxy of] Wangliang" Extrapolating backwards from this, astronomers would be able to determine how bright the first ct should have been in 1181. Un 1181 se Today early August of 1181 CE 2301.04807 Cassiopeia 3 Chinese class="summaryFeed_highLightText__NxlGi">2023 Japanese maryFeed_highLightText__NxlGi">the Royal Astronomical Society 185 days ighLightText__NxlGi">ONe 1971 ummaryFeed_hig first tText__NxlGi">CO 1181 AD Japanese ChineseSupernovae n class="summaryFeed_highLightText__NxlGi">Bradley E Schaefer 10.48550 2023 SN SN l 1181 "summary less than a dozen t__NxlGi">the Rosetta Stone Andreas Ritt only four fifth 1181 SN 30 SN s 1181 ryFeed_highLightText__NxlGi">1181 58 yFeed_highLightText__NxlGi">SN 1181 Chinese maryFeed_high 30 ghtText__N PA 30 >SN 1181 Just a year 889 58 30 supernova Chuanshe fifth Japan 2016 ightText__NxlGi">China 16,000 km/sec A 5% ronomical Society Monthly 1181 SN roughly 1,100 km/sec _highLightTe 100x NxlGi">30 SN Type Iax supernovaFirst two Second ighLightText__NxlGi">2019 first