SDSS J1228+1040 b
id:
sdss-j1228-1040-b-228-2471268
title:
SDSS J1228+1040 b
text:
SDSS J1228+1040 b is a disputed extrasolar planetesimal orbiting the white dwarf SDSS J1228+1040. It was discovered in 2019 using the variable calcium Ca II emission line. Unlike other planetesimals around white dwarfs, the planetesimal SDSS J1228+1040 b needs high internal strength and a high density to not be tidally disrupted. The researchers calculate a density of 7.7 g/cm or less. This density is close to the density of iron and it is speculated that this planetesimal is the core of a larg
brand slug:
wiki
category slug:
encyclopedia
description:
Extrasolar planetesimal orbiting the white dwarf SDSS J1228+1040
original url:
https://en.wikipedia.org/wiki/SDSS_J1228%2B1040_b
date created:
2021-01-01T17:03:20Z
date modified:
2024-09-15T10:16:29Z
main entity:
{"identifier":"Q104882626","url":"https://www.wikidata.org/entity/Q104882626"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/0/0c/%D0%A0%D0%B0%D0%B7%D0%BC%D0%B5%D1%80%D1%8B_SDSS_J1228%2B1040_b.jpg","width":1598,"height":965}
fields total:
13
integrity:
16