Evidence · Tabby's star (KIC 8462852)

Sonneberg and Sternberg plates show the star constant to 0.03 mag/century

Sonneberg Sky Patrol plates (1934-1995, two passbands) and Sternberg plates (1895-1995) give slopes of -0.006 ± 0.032 and -0.046 ± 0.040 mag per century, rejecting 0.164 at about 5 sigma.

Supported0

What it bears on 1 answer

The star faded by about 0.16 magnitudes per century from 1890 to 1989.

Disputed

AGAINST

Cite it

Mysteries Department. (2026). Sonneberg and Sternberg plates show the star constant to 0.03 mag/century [Evidence EVD0DDYFAJKXP2D]. https://mysteriesdept.com/r/EVD0DDYFAJKXP2D

@misc{mysteriesdept_evd0ddyfajkxp2d,
  title     = {Sonneberg and Sternberg plates show the star constant to 0.03 mag/century},
  author    = {{Mysteries Department}},
  year      = {2026},
  note      = {Evidence, catalog key EVD0DDYFAJKXP2D},
  url       = {https://mysteriesdept.com/r/EVD0DDYFAJKXP2D}
}