HD 172910 explained

HD 172910 is a class B2.5V (blue main-sequence) star in the constellation Sagittarius. Its apparent magnitude is 4.87 and it is approximately 467 light years away based on parallax.

It has one companion, B, with magnitude 12.6 and separation 10.0".^[1]

In Chinese astronomy, HD 172910 is called 農丈人 (Pinyin: Nóngzhàngrén,), because this star is marking itself and stand alone in Peasant asterism, Dipper mansion (see : Chinese constellation).^[2]

Notes and References

1. 2001AJ....122.3466M . 10.1086/323920 . The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog . The Astronomical Journal . 122 . 6 . 3466 . 2001 . Mason . Brian D. . Wycoff . Gary L. . Hartkopf . William I. . Douglass . Geoffrey G. . Worley . Charles E. . free . Vizier catalog entry
2. http://www.ianridpath.com/startales/sagittarius.htm#chinese Ian Ridpath's Star Tales - Sagittarius the Archer