参考资料

HD 83953 (I Hydrae) is a single, [9] blue-white hued star in the equatorial constellation of Hydra. It is visible to the naked eye, having an apparent visual magnitude of 4.76. [2] Based upon an annual parallax shift of 6.6 mas, [1] the distance to this star is estimated as 500 light years.

HD 83953 (I Hydrae) is a single, [9] blue-white hued star in the equatorial constellation of Hydra.It is visible to the naked eye, having an apparent visual magnitude of 4.76. [2] Based upon an annual parallax shift of 6.6 mas, [1] the distance to this star is estimated as 500 light years.It is moving further from Earth with a heliocentric radial velocity of +16 km/s.

HD83953 HR3858 B6Ve V=4.77 vsini=260 km/s d=152 pc 5 HPOL Polarimetric CCD Observations from 1995 -present (3300A -10300A) This data will appear in volume 2 of the Be star Atlas The dates observed so far: 980418 991125 000222 000314 010310 (last updated May 06, 2001) Be Star Atlas HD83953 page ...