# Michael Castelaz 2018: A Search for the Long-term Dimming of KIC 8462852 on Maria Mitchell Observatory Plates, 1922-1991

> Michael Castelaz, Thurburn Barker, 2018. 3 records on Mysteries Department cite it. JAAVSO 46. Third plate archive: 835 Maria Mitchell Observatory…

Source: https://mysteriesdept.com/sources/SRC0DDYCF5BWX7M/a-search-for-the-long-term-dimming-of-kic-8462852-on-maria  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Sources](https://mysteriesdept.com/sources)[Tabby's star (KIC 8462852)](https://mysteriesdept.com/mysteries/tabbys-star)Michael Castelaz 2018

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# A Search for the Long-term Dimming of KIC 8462852 on Maria Mitchell Observatory Plates, 1922-1991

Michael Castelaz, Thurburn Barker, 2018.

**Tabby's star (KIC 8462852)** Article0

## What it's used for here

JAAVSO 46. Third plate archive: 835 Maria Mitchell Observatory plates, 8 APASS comparison stars. Slope +0.11 +/- 0.04 unbinned, +0.12 +/- 0.02 in 5-year bins; six of eight comparison stars flat within 0.04. Disagrees with Sonneberg at about 3 sigma.

## Cited by on this site 3 records

[Maria Mitchell Observatory plates give an independent +0.12 mag/century](https://mysteriesdept.com/mysteries/tabbys-star/evidence/EVD0DDYFABS34WD/maria-mitchell-observatory-plates-give-an-independent-0-12)

Evidence

EVD

[Sonneberg plates covering 1934-1995 show no step and no fade](https://mysteriesdept.com/mysteries/tabbys-star/evidence/EVD0DDYF9R189DE/sonneberg-plates-covering-1934-1995-show-no-step-and-no-fade)

Evidence

EVD

[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

```
Michael Castelaz, & Thurburn Barker (2018). A Search for the Long-term Dimming of KIC 8462852 on Maria Mitchell Observatory Plates, 1922-1991. https://arxiv.org/abs/1803.01943
```

[Find it at arxiv.org](https://arxiv.org/abs/1803.01943)

Key

**SRC** 0DDYCF5BWX7M

Kind

Journal article

Rights

The publisher's

Kept

30 Oct 2026, for editors

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

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