Tabby's Star

KIC 8462852

Cygnus

11.7
Apparent Mag
1,470
Distance (ly)
F3V
Spectral Type
6,750
Temperature (K)

Tabby's Star shows mysterious and dramatic dips in brightness that have defied easy explanation. Theories have ranged from alien megastructures to unusual dust clouds.

Stellar Data

Apparent Magnitude11.7
Absolute Magnitude3.1
Distance1,470 light-years
Spectral TypeF3V
Temperature6,750 K
Luminosity4.7 L☉
Radius1.58 R☉
Mass1.43 M☉
Right Ascension20h 06m 15.5s
Declination+44° 27′ 24.8″
ConstellationCygnus

Notable Facts

  • Tabby's Star shows irregular dips of up to 22% in brightness
  • The dips were initially speculated to be caused by alien megastructures
  • Dust clouds are now the leading explanation

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