Barnard's Star
red dwarf star in the constellation of Ophiuchus
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Summary
Barnard's Star is a red dwarf[1]. It ranks in the top 6% of red dwarf entities by monthly Wikipedia readership (4,521 views/month).[2]
Key Facts
- Constellation: Ophiuchus[3]
- Named after: Edward Emerson Barnard[4]
- Spectral class: M3.5V[5]
- Commons category: Barnard's Star[6]
- Child astronomical body: Barnard's Star b[7]
- Catalog code: 2MASS J17574849+0441405[8], GSC 00425-00184[9], GSC 00425-02502[10], HIP 87937[11], IRAS 17553+0438[12], GJ 699[13], ASCC 1153178[14], CCDM J17578+0441A[15], CSV 7737[16], GCRV 10392[17], HIC 87937[18], JP11 18[19], LFT 1385[20], LHS 57[21]
- Type of variable star: rotating variable star[22]
- Topic's main category: Category:Barnard's Star[23]
- Apparent magnitude: 9.511[24], 12.497[25], 11.24[26], 8.298[27], 6.741[28], 8.1951[29], 5.244[30], 4.83[31], 4.524[32], 10.572[33], 9.288[34], 7.756[35]
- Absolute magnitude: 13.26[36]
- Different from: Gwiazda Barnarda (powieść)[37]
- Luminosity: 0.00346 solar luminosity[38]
- Mass: 0.163 solar mass[39]
- Radius: 0.178 solar radius[40]
- Parallax: 547.4506 milliarcsecond[41]
- Radial velocity: -110.579 kilometre per second[42]
- Metallicity: -0.26[43]
- Distance from Earth: 1.8266 parsec[44]
- Maintained by WikiProject: WikiProject Astronomical objects[45], WikiProject Astronomy[46]
- Right ascension: 269.45208249751400 degree[47]
- Declination: 4.69336426506330 degree[48]
Why It Matters
Barnard's Star has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[49] It is known by 61 alternative names across languages and contexts.[50]