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104 Tauri

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Magnitude  4.92
Apparent magnitude (V)  4.92
Constellation  Taurus
People also search for  114 Tauri, 126 Tauri, 132 Tauri, 66 Tauri

104 Tauri (104 Tau) is the Flamsteed designation for a star in the equatorial constellation of Taurus. It has an apparent magnitude of 4.92, which is bright enough to be seen with the naked eye. Based upon parallax measurements, this star is located about 50 light years from the Sun.

The apparent brightness of this star indicates that it is a young, population I star. However, the chemical abundances in its outer atmosphere tell a different story, suggesting that it is an population II star with an age of 12−13 billion years. This discrepancy may indicate that the star has undergone a period of mass accretion. Possible scenarios indicate that the star has either undergone a merger with a close companion, or else interacted with the progenitor cloud of the nearby open cluster NGC 2516.

The star displays convincing evidence for an infrared excess, suggesting the presence of a circumstellar debris disk of dust.

References

104 Tauri Wikipedia


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