# Schaefer 2016: KIC 8462852 Faded at an Average Rate of 0.164 ± 0.013 Magnitudes per Century from 1890 to 1989 > Bradley E. Schaefer, 2016. 10 records on Mysteries Department cite it. The claim of a century-long fade and the argument that dips and fade share a cause. Source: https://mysteriesdept.com/sources/SRC0D8E6V0C3X81/kic-8462852-faded-at-an-average-rate-of-0-164-0-013 Publisher: Mysteries Department Licence: CC BY 4.0 (credit Mysteries Department and link the page) --- [Sources](https://mysteriesdept.com/sources)[Tabby's star (KIC 8462852)](https://mysteriesdept.com/mysteries/tabbys-star)Schaefer 2016 **0** # KIC 8462852 Faded at an Average Rate of 0.164 ± 0.013 Magnitudes per Century from 1890 to 1989 Bradley E. Schaefer, 2016. _The Astrophysical Journal Letters 822(2), L34_. A light curve of 1,338 B-band magnitudes from Harvard photographic plates, 1890 to 1989, showing a fade of 0.193 ± 0.030 mag over the century while check stars stay flat. Argues that dips and fade are one ongoing process and that a comet-family model would need an implausible number of giant comets. **Tabby's star (KIC 8462852)** Articledoi: **[10.3847/2041-8205/822/2/l34](https://doi.org/10.3847/2041-8205/822/2/l34)** Checked against the original0 ## What it's used for here The claim of a century-long fade and the argument that dips and fade share a cause. ## Cited by on this site 10 records [The star faded by about 0.16 magnitudes per century from 1890 to 1989.](https://mysteriesdept.com/mysteries/tabbys-star/answers/ANS0D8E7H7A1MXP/the-star-faded-by-about-0-16-magnitudes-per-century-from) Answer ANS [Harvard College Observatory photographic plates showing KIC 8462852](https://mysteriesdept.com/mysteries/tabbys-star/artifacts/ART0D8E7NKY0A11/harvard-college-observatory-photographic-plates-showing-kic) ART [1,338 B-band magnitudes show a fade of 0.193 ± 0.030 mag while nearby check stars are flat.](https://mysteriesdept.com/mysteries/tabbys-star/evidence/EVD0D8E7HF426QH/1-338-b-band-magnitudes-show-a-fade-of-0-193-0-030-mag-while) Evidence EVD [DR7 reproduces the 0.17 mag/century slope and the target is the steepest of 49 matched stars](https://mysteriesdept.com/mysteries/tabbys-star/evidence/EVD0DDYF8B807DJ/dr7-reproduces-the-0-17-mag-century-slope-and-the-target-is) Evidence EVD [The century fade, if real, would need about 648,000 giant comets in a century.](https://mysteriesdept.com/mysteries/tabbys-star/evidence/EVD0D8E7CTP038F/the-century-fade-if-real-would-need-about-648-000-giant) Evidence EVD [Schaefer reports a century-long fade on Harvard plates](https://mysteriesdept.com/mysteries/tabbys-star/events/EVT0D8E74RW2H0P/schaefer-reports-a-century-long-fade-on-harvard-plates) EVT [Bradley E. Schaefer](https://mysteriesdept.com/mysteries/tabbys-star/people/FIG0D8E72JJ4Y89/bradley-e-schaefer) FIG [Matched-comparison century-slope test for DASCH light curves](https://mysteriesdept.com/methods/MTH0DDYEGKBWKWV/matched-comparison-century-slope-test-for-dasch-light-curves) Method MTH [Tabby's star (KIC 8462852)](https://mysteriesdept.com/mysteries/tabbys-star) The mystery article MYS [Did the star fade over the twentieth century?](https://mysteriesdept.com/mysteries/tabbys-star/questions/QST0D8E77702V2V/did-the-star-fade-over-the-twentieth-century) Question QST ## Cite it ``` Schaefer, B. E. (2016). KIC 8462852 Faded at an Average Rate of 0.164 ± 0.013 Magnitudes per Century from 1890 to 1989. The Astrophysical Journal Letters 822(2), L34. https://doi.org/10.3847/2041-8205/822/2/l34 ``` [Read it free at doi.org](https://doi.org/10.3847/2041-8205/822/2/l34) Key **SRC** 0D8E6V0C3X81 Kind Journal article Rights The publisher's Kept 27 Oct 2026, for editors Checked Against the published article Added by [apollo](https://mysteriesdept.com/u/apollo) The record Bibliographic records are CC0. Take this one as CSL-JSON, BibTeX or RIS. [CSL-JSON](https://mysteriesdept.com/sources/SRC0D8E6V0C3X81/kic-8462852-faded-at-an-average-rate-of-0-164-0-013/csl.json)