| 释义 |
- References
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{{Starbox begin
| name = HD 121228
}}{{Starbox image
| image =
| caption =
}}{{Starbox observe
| epoch =
| constell = Centaurus
| pronounce =
| ra = {{RA|13|55|52.32}}
| dec = {{DEC|-59|22|16.4}}
| appmag_v = 7.86[3]
}}{{Starbox character
| class = B1 Ib
| appmag_1_passband = U
| appmag_1 = 7.34
| appmag_2_passband = B
| appmag_2 = 8.00
| appmag_3_passband = V
| appmag_3 = 7.86
| appmag_4_passband = R
| appmag_4 = 8.88
| appmag_5_passband = G
| appmag_5 = 7.7591
| appmag_6_passband = J
| appmag_6 = 7.428
| appmag_7_passband = H
| appmag_7 = 7.426
| appmag_8_passband = K
| appmag_8 = 7.385
| variable =
}}{{Starbox astrometry
| radial_v =
| prop_mo_ra =
| prop_mo_dec =
| parallax = 0.6538
| p_error = 0.0435
| parallax_footnote =
| dist_ly =
| dist_pc =
| absmag_v = -5.778[5]
}}{{Starbox detail
| source =
| mass = 7.0[6]
| radius =
| temperature = 26,424[5]
| rotation =
| age_myr = 31.6[6]
}}{{Starbox catalog
| names = {{odlist | CD=-58° 5362 | HIP=68034 | SAO=241302 }}
}}{{Starbox reference
| Simbad = HD+121228
}}{{Starbox end}}HD 121228 is a blue supergiant star located in the constellation Centaurus. The star is noted for its close visual proximity to the planetary nebula SuWt 2.[1][2]References1. ^{{cite web|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=%403359731&Name=HD+121228&submit=display+all+measurements#lab_meas|title=HD 121228|accessdate=November 26, 2018|publisher=SIMBAD }}
2. ^{{cite web|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=+2MASS+J13554323-5922398&submit=submit+id|title=PN SuWt 2|accessdate=November 26, 2018|publisher=SIMBAD }}
3. ^1 {{cite journal|bibcode=2012yCat.1322....0Z|title=VizieR Online Data Catalog: UCAC4 Catalogue (Zacharias+, 2012)|journal=VizieR On-line Data Catalog|last1=Zacharias|first1=N.|last2=Finch|first2=C. T.|last3=Girard|first3=T. M.|last4=Henden|first4=A.|last5=Bartlett|first5=J. L.|last6=Monet|first6=D. G.|last7=Zacharias|first7=M. I.|year=2012}}
4. ^1 2 {{cite journal|bibcode=2011MNRAS.410..190T|title=A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun|journal=Monthly Notices of the Royal Astronomical Society|volume=410|issue=1|pages=190|last1=Tetzlaff|first1=N.|last2=Neuhäuser|first2=R.|last3=Hohle|first3=M. M.|year=2011|arxiv=1007.4883|doi=10.1111/j.1365-2966.2010.17434.x}}
5. ^1 2 {{cite journal|bibcode=1985A&AS...60...99W|title=The local system of early type stars. Spatial extent and kinematics|journal=Astronomy and Astrophysics Supplement Series|volume=60|pages=99|last1=Westin|first1=T. N. G.|year=1985}}
}}See also- Zeta Persei - Same spectral class
{{Stars of Centaurus}}{{supergiant-star-stub}} 4 : Henry Draper Catalogue objects|Hipparcos objects|B-type supergiants|Centaurus (constellation) |