首页     开始     To Survive in the Universe    
Inhabited Sky
    News@Sky     天文图片     收集     论坛     Blog New!     常见问题     新闻     登录  

HD 214295


目录

图像

上传图像

DSS Images   Other Images


相关文章

Asymmetries in the Spectral Lines of Evolved Halo Stars
We do an initial reconnaissance of asymmetries of spectral lines inmetal-poor field stars using high-resolution observations of four redhorizontal-branch and 11 red giant branch stars taken with the coudespectrograph at the Canada-France-Hawaii Telescope. We find that (1) theshapes of the line bisectors for metal-poor stars hotter than 4100 Kmimic the well-known C shape of bisectors for solar-metallicity stars onthe cool side of the granulation boundary while (2) metal-poor starscooler than 4100 K, or higher up the red giant branch than MV = –1.5, show bisectors with a reversed-C shape,similar to those for solar-metallicity stars on the hot side of thegranulation boundary and similar to the reversed-C shape found in aprevious study for the M-type supergiant Betelgeuse. The well-documentedradial-velocity jitter of high-luminosity stars and the line bisectorcharacteristics vary in concert up the red giant branch; both phenomenaare probably signatures of large convection cells.Based on observations obtained at the Canada-France-Hawaii Telescope(CFHT) which is operated by the National Research Council of Canada, theInstitut National des Sciences de l'Univers of the Centre National de laRecherche Scientifique de France, and the University of Hawaii.

Spectral types for early-type stars observed by SKYLAB
MK spectral types are presented for 246 early-type stars observed withthe S-019 ultraviolet stellar astronomy experiment on Skylab. K-linetypes are also given where applicable, and various peculiar stars areidentified. The peculiar stars include five silicon stars, a shell star,a helium-rich star, a silicon-strontium star, a chromium-europium star,and two marginal metallic-line stars.

New double stars (12th series) discovered at Nice
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1975A&AS...20..379C&db_key=AST

提交文章


相关链接

  • - 没有找到链接 -
提交链接


下列团体成员


观测天体数据

星座:蠍虎座
右阿森松:22h36m37.16s
赤纬:+37°43'45.5"
视星:8.247
距离:657.895 天文距离
右阿森松适当运动:-3.6
赤纬适当运动:-3.8
B-T magnitude:8.168
V-T magnitude:8.241

目录:
适当名称   (Edit)
HD 1989HD 214295
TYCHO-2 2000TYC 3201-921-1
USNO-A2.0USNO-A2 1275-17698777
HIPHIP 111605

→ 要求更多目录从vizier