Astronomy:SDSS J1228+1040 b

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Short description: Extrasolar planetesimal orbiting the white dwarf SDSS J1228+1040
SDSS J1228+1040 b
Discovery
Discovery date2019[1]
Timing[1]
Designations
WD 1226+110 b, SDSS J122859.92+104033.0 b
Orbital characteristics
0.0034 (± 9e-05) AU[1]
Eccentricity?
Orbital period0.0857 (± 0.00021) d[1]
StarSDSS J1228+1040
Physical characteristics
Mean radius0.0009+0.0045
−0.000758
RJ[1]
Mass?
Physics1800 K[1]


SDSS J1228+1040 b is an extrasolar planetesimal orbiting the white dwarf SDSS J1228+1040.[2]

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 "The Extrasolar Planet Encyclopaedia — SDSS J1228+1040 b". Extrasolar Planets Encyclopaedia. https://exoplanet.eu/catalog/sdss_j1228_1040_b--7079/. 
  2. Manser, Christopher J. (April 2019). "A planetesimal orbiting within the debris disc around a white dwarf star". Science 364 (6435): 66–69. doi:10.1126/science.aat5330. PMID 30948547. Bibcode2019Sci...364...66M. 
Records
Preceded by
WD 1145+017 b
Smallest-radius exoplanet
2019—
Succeeded by
current