{{Short description|Main-sequence star}} {{DISPLAYTITLE:b<sup>1</sup> Hydrae}} {{Starbox begin | name = b<sup>1</sup> Hydrae }} {{Starbox observe | epoch = [[J2000.0]] | constell = [[Hydra (constellation)|Hydra]]<ref>{{cite constellation|HR 4214}}</ref> | ra = {{RA|10|46|52.05}}<ref name=dr3/> | dec = {{DEC|-17|17|48.7}}<ref name=dr3/> | appmag_v = 5.42<ref name=DATA/> }} {{Starbox character | type = [[main sequence]]<ref name=zorec2012/> | class = A3V<ref name=DATA /> | b-v = +0.11<ref name=DATA /> | u-b = +0.14<ref name=DATA /> | r-i = +0.04<ref name=DATA /> | variable = }} {{Starbox astrometry | radial_v = {{val|+0.23|0.99}}<ref name=dr3/> | prop_mo_ra = −15.864<ref name=dr3/> | prop_mo_dec = −18.786<ref name=dr3/> | parallax = 17.7995 | p_error = 0.1794 | parallax_footnote = <ref name=dr3/> | absmag_v = +1.45<ref name=xhip>{{cite XHIP|52737}}</ref> }} {{Starbox detail | mass = 2.09<ref name=tic/> | temperature = 8,433<ref name=tic/> | luminosity = 17.2<ref name=tic/> | radius = 1.94<ref name=tic/> | gravity = 4.18<ref name=tic/> | rotational_velocity = 96<ref name=zorec2012/> | age_myr = 652<ref name=gontcharov2012/> }} {{Starbox catalog | names = {{odlist |BD=−16°3124 |SAO=156221 |HD=93397 |HR=4214 |F=3 Crt }}<ref name=simbad/> }} {{Starbox reference |Simbad=HR+4214}} {{Starbox end}}
'''b<sup>1</sup> Hydrae''' is a [[main-sequence star]] in the [[constellation]] of [[Hydra (constellation)|Hydra]] with an [[apparent magnitude]] of 5.42.
== References == <references>
<ref name=simbad>{{cite simbad |title=3 Crt |accessdate=2025-11-13}}</ref>
<ref name=dr3>{{cite Gaia DR3|3556832021782292864}}</ref>
<ref name=DATA>{{cite web | url=http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=5050&-corr=PK=HR&-out.max=9999&HR=4214 | title=VizieR Detailed Page | accessdate=2012-07-13 | archive-date=2016-03-05 | archive-url=https://web.archive.org/web/20160305034822/http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=5050&-corr=PK=HR&-out.max=9999&HR=4214 }}</ref>
<ref name=tic>{{cite journal |last1=Stassun |first1=Keivan G. |last2=Oelkers |first2=Ryan J. |last3=Paegert |first3=Martin |last4=Torres |first4=Guillermo |last5=Pepper |first5=Joshua |last6=De Lee |first6=Nathan |last7=Collins |first7=Kevin |last8=Latham |first8=David W. |last9=Muirhead |first9=Philip S. |last10=Chittidi |first10=Jay |last11=Rojas-Ayala |first11=Bárbara |last12=Fleming |first12=Scott W. |last13=Rose |first13=Mark E. |last14=Tenenbaum |first14=Peter |last15=Ting |first15=Eric B. |last16=Kane |first16=Stephen R. |last17=Barclay |first17=Thomas |last18=Bean |first18=Jacob L. |last19=Brassuer |first19=C. E. |last20=Charbonneau |first20=David |last21=Ge |first21=Jian |last22=Lissauer |first22=Jack J. |last23=Mann |first23=Andrew W. |last24=McLean |first24=Brian |last25=Mullally |first25=Susan |last26=Narita |first26=Norio |last27=Plavchan |first27=Peter |last28=Ricker |first28=George R. |last29=Sasselov |first29=Dimitar |last30=Seager |first30=S. |display-authors=1 |title=The Revised TESS Input Catalog and Candidate Target List |journal=The Astronomical Journal |date=2019 |volume=158 |issue=4 |page=138 |doi=10.3847/1538-3881/ab3467 |doi-access=free |arxiv=1905.10694 |bibcode=2019AJ....158..138S }}</ref>
<ref name=zorec2012>{{cite journal |last1=Zorec |first1=J. |last2=Royer |first2=F. |title=Rotational velocities of A-type stars. IV. Evolution of rotational velocities |journal=Astronomy and Astrophysics |date=2012 |volume=537 |pages=A120 |doi=10.1051/0004-6361/201117691 |arxiv=1201.2052 |bibcode=2012A&A...537A.120Z }}</ref>
<ref name=gontcharov2012>{{cite journal |last1=Gontcharov |first1=G. A. |title=Dependence of kinematics on the age of stars in the solar neighborhood |journal=Astronomy Letters |date=2012 |volume=38 |issue=12 |page=771 |doi=10.1134/S1063773712120031 |arxiv=1606.08814 |bibcode=2012AstL...38..771G }}</ref>
</references>
{{Hydra (constellation)}}
[[Category:Bayer objects|Hydrae, b1]] [[Category:Flamsteed objects|Crateris, 03]] [[Category:Hydra (constellation)]] [[Category:A-type main-sequence stars]] [[Category:Henry Draper Catalogue objects|093397]] [[Category:Hipparcos objects|052737]] [[Category:Bright Star Catalogue objects|4214]]
{{main-star-stub}}