| 词条 | HD 256 |
| 释义 |
| name=HD 256 }}{{Starbox observe | epoch=J2000 | constell=Cetus | ra={{RA|00|07|18.26851}}[1] | dec={{DEC|-17|23|13.1723}}[1] | appmag_v=6.23[2] }}{{Starbox character | class=A2IV/V[3] | appmag_1_passband=B | appmag_1=6.33[2] | appmag_3_passband=J | appmag_3=5.858[4] | appmag_4_passband=H | appmag_4=5.83[4] | appmag_5_passband=K | appmag_5=5.747[4] }}{{Starbox astrometry | radial_v=−10.20 ± 0.9[5] | prop_mo_ra=−7.51[1] | prop_mo_dec=15.88[1] | parallax=5.68 | p_error=0.69 | parallax_footnote=[1] }}{{Starbox catalog | names=BD−18° 6428, GC 103, HD 256, HIP 602, HR 10, PPM 208364, SAO 147090 }}{{Starbox reference | Simbad=HR+10 }}{{Starbox end}} HD 256 is a young A-type star in the constellation Cetus. Exocomets have been discovered orbiting around it.{{citation needed|date=April 2017}} References1. ^1 2 3 4 {{cite journal|title=Validation of the new Hipparcos reduction|url=http://www.aanda.org/index.php?option=com_article&access=bibcode&Itemid=129&bibcode=2007A%2526A...474..653VFUL|author=van Leeuwen, F.|display-authors=etal|journal=Astronomy and Astrophysics|volume=474|issue=2|pages=653–664|date=2007|arxiv=0708.1752|bibcode=2007A&A...474..653V|doi=10.1051/0004-6361:20078357}} {{Stars of Cetus}}{{subgiant-star-stub}}{{main-star-stub}}2. ^1 {{cite simbad | title=HR 10 | access-date=2015-03-01}} 3. ^{{cite journal|bibcode=1999MSS...C05....0H|title=Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5|journal=Michigan Spectral Survey|volume=5|author1=Houk, N.|author2=Swift, C.|year=1999}} 4. ^1 2 {{cite journal|title=2MASS All-Sky Catalog of Point Sources|date=2003|journal=VizieR On-line Data Catalog|author=Cutri, R. M.|display-authors=etal|bibcode=2003yCat.2246....0C}} 5. ^{{cite journal|title=Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system|author=Gontcharov, G. A.|date=2006|journal=Astronomy Letters|volume=32|issue=11|pages=759–771|bibcode=2006AstL...32..759G|doi=10.1134/S1063773706110065|arxiv=1606.08053}} 7 : Cetus (constellation)|A-type main-sequence stars|HR objects|Henry Draper Catalogue objects|Durchmusterung objects|2MASS objects|Hipparcos objects |
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