“Ross 47”的意思、由来-开放百科全书

词条

Ross 47

释义

References

{{Refimprove|date=September 2015}}{{Starbox begin
|name=Ross 47
}}{{Starbox observe
|epoch=J1950.0
|constell=Orion
|ra={{RA|05|42|09.26772}}^[1]
|dec={{DEC|+12|29|21.6225}}^[1]
|appmag_v=+11.509^[3]
}}{{Starbox character
| class = M4.0Vn
| b-v = +13.130
| u-b = +14.264
| variable = BY Dra^[3]
}}{{Starbox astrometry
|radial_v= 105.83 ± 0.18
|prop_mo_ra= 2000.53^[1]
|prop_mo_dec=−1569.63^[1]
|parallax=171.55
|p_error=3.99
|parallax_footnote=^[1]
|absmag_v=+12.75
}}{{Starbox detail
| age_gyr =
| metal_fe =
| mass = 0.35
| radius = 0.17
| rotational_velocity =
| luminosity = {{val|0.00069}}
| temperature =
| gravity =
}}{{Starbox catalog|names={{Odlist
|Ross=47
|V=V1352 Ori
|Ci 20=344
|GJ=213
|G=102-22
|HIP=26857
|TYC=722-455-1
|LFT=425
|LTT=11704
|LHS=31
|NLTT=15489
|2MASS=J05420897+1229252

}}^[2]

}}{{Starbox reference
|Simbad=TYC+722-455-1
}}{{Starbox end}}Ross 47 is a flare star of spectral type M4 located in the constellation Orion, 19 light-years from Earth.^[1]

References

1. ^¹²³⁴⁵{{cite journal|title=Validation of the new Hipparcos reduction|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}}
2. ^¹²{{cite simbad|title=Ross 47|accessdate=18 August 2017}}

{{cite journal |last=Dittmann |first=Jason A. |title=Trigonometric Parallaxes for 1507 Nearby Mid-to-late M Dwarfs |year=2014 |journal=The Astrophysical Journal |volume=784 | issue=2 | pages=156 |arxiv=1312.3241 |doi=10.1088/0004-637X/784/2/156 |bibcode=2014ApJ...784..156D|last2=Irwin |first2=Jonathan M. |last3=Charbonneau |first3=David |last4=Berta-Thompson |first4=Zachory K. }} [https://www.cfa.harvard.edu/MEarth/MEarth_Parallaxes.txt Table with parallaxes].

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