What is the name of the star discussed in the text?
Q: What is the name of the star discussed in the text?
A: The star discussed in the text is Ross 154.
Q: How bright is Ross 154?
A: Ross 154 has an apparent magnitude of 10.44, so it is much too faint to be seen with the naked eye.
Q: How far away from Earth is Ross 154?
A: Ross 154 can be estimated to be 9.69 light-years (2.97 parsecs) away from Earth.
Q: When was Ross 154 first catalogued?
A: Ross 154 was first catalogued by American astronomer Frank Elmore Ross in 1925.
Q: What type of star is Ross 154?
A: Ross 154 is a red dwarf star that is generating energy through the nuclear fusion of hydrogen at its core.
Q: How much mass and luminosity does this star have compared to our Sun?
A: This star has an estimated 17% of the Sun's mass and 24% of the Sun's radius, but it radiates only 0.38% of the luminosity of the Sun.
Q: What are some characteristics observed about this star?
A:Ross 154 was found to be a UV Ceti-type flare star, with a mean time between major flares of about two days and X-ray flare emission from this star has been observed by Chandra observatory, with a particularly large flare emitting 2.3 × 1033 erg .
