10 Leonis Minoris

{{Short description|Star in the constellation Leo Minor}}

{{Starbox begin

| name = 10 Leonis Minoris

}}

{{Starbox image

|image=

{{Location mark

|image=Leo Minor constellation map.svg|alt=|float=center|width=280

|label=|position=right

|mark=Red circle.svg|mark_width=10|mark_link=10 Leonis Minoris

|x=848|y=366

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|caption=Location of 10 Leonis Minoris (circled)

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{{Starbox observe

| epoch = J2000

| constell = Leo Minor

| ra = {{RA|09|34|13.38184}}{{cite Gaia DR3|798883781282661248}}

| dec = {{DEC|36|23|51.2090}}

| appmag_v = 4.54{{cite journal | bibcode=2012AstL...38..331A | doi=10.1134/S1063773712050015 | arxiv=1108.4971 | title=XHIP: An extended hipparcos compilation | journal=Astronomy Letters | volume=38 | issue=5 | pages=331 | year=2012 | last1=Anderson | first1=E. | last2=Francis | first2=Ch. | s2cid=119257644 }} [http://vizier.u-strasbg.fr/viz-bin/VizieR-4?-source=V/137D/XHIP&HIP=46952 Vizier catalog entry]

}}

{{Starbox character

| class = G8.5 III{{cite journal | bibcode=1995yCat.5050....0H | title=VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991) | journal=VizieR On-line Data Catalog: V/50. Originally Published in: 1964BS....C......0H | volume=5050 | last1=Hoffleit | first1=D. | last2=Warren | first2=W. H. | year=1995 }}

| b-v = +0.92{{cite journal | bibcode=2006yCat.2168....0M | title=VizieR Online Data Catalog: Homogeneous Means in the UBV System (Mermilliod 1991) | journal=VizieR On-line Data Catalog: II/168. Originally Published in: Institut d'Astronomie | volume=2168 | last1=Mermilliod | first1=J. C. | year=2006 }}[http://vizier.u-strasbg.fr/viz-bin/VizieR-4?-source=II/168/ubvmeans&LID=%2B100082635 Vizier catalog entry]

| u-b = +0.61

| variable = RS CVn

}}

{{Starbox astrometry

| radial_v = −11.94{{cite journal | bibcode=2008AJ....135..209M | doi=10.1088/0004-6256/135/1/209 | title=Rotational and Radial Velocities for a Sample of 761 Hipparcos Giants and the Role of Binarity | journal=The Astronomical Journal | volume=135 | pages=209–231 | year=2008 | last1=Massarotti | first1=Alessandro | last2=Latham | first2=David W. | last3=Stefanik | first3=Robert P. | last4=Fogel | first4=Jeffrey | issue=1 | s2cid=121883397 | doi-access=free }}

| prop_mo_ra = +6.989

| prop_mo_dec = −22.729

| parallax = 17.0738

| p_error = 0.1341

| parallax_footnote = {{cite Gaia DR3|798883781282661248}}

| absmag_v = 0.83{{cite journal | bibcode=2015A&A...580A..24D | doi=10.1051/0004-6361/201525770 | title=Homogeneous abundance analysis of FGK dwarf, subgiant, and giant stars with and without giant planets | journal=Astronomy & Astrophysics | volume=580 | pages=A24 | year=2015 | last1=Da Silva | first1=Ronaldo | last2=Milone | first2=André de C. | last3=Rocha-Pinto | first3=Helio J. | arxiv=1505.01726 | s2cid=119216425 }} [http://vizier.u-strasbg.fr/viz-bin/VizieR-4?-source=J/A%2bA/580/A24/stars&Name=HD82635 Vizier catalog entry]

}}

{{Starbox detail

| mass = 2.54{{cite journal | arxiv=1412.4634 | bibcode=2015A&A...574A.116R | doi=10.1051/0004-6361/201322360 | title=Precise radial velocities of giant stars | journal=Astronomy & Astrophysics | volume=574 | pages=A116 | year=2015 | last1=Reffert | first1=Sabine | last2=Bergmann | first2=Christoph | last3=Quirrenbach | first3=Andreas | last4=Trifonov | first4=Trifon | last5=Künstler | first5=Andreas | hdl=10722/215277 | s2cid=59334290 }} [http://vizier.u-strasbg.fr/viz-bin/VizieR-4?-source=J/A%2bA/574/A116&HIP=46952 Vizier catalog entry]

| radius = {{val|8.74|0.29}}{{Cite journal |last1=van Belle |first1=Gerard T. |last2=von Braun |first2=Kaspar |last3=Ciardi |first3=David R. |last4=Pilyavsky |first4=Genady |last5=Buckingham |first5=Ryan S. |last6=Boden |first6=Andrew F. |last7=Clark |first7=Catherine A. |last8=Hartman |first8=Zachary |last9=van Belle |first9=Gerald |last10=Bucknew |first10=William |last11=Cole |first11=Gary |date=2021-12-01 |title=Direct Measurements of Giant Star Effective Temperatures and Linear Radii: Calibration against Spectral Types and V - K Color |bibcode=2021ApJ...922..163V |journal=The Astrophysical Journal |volume=922 |issue=2 |pages=163 |doi=10.3847/1538-4357/ac1687 |doi-access=free |arxiv=2107.09205 |issn=0004-637X}} [https://vizier.cds.unistra.fr/viz-bin/VizieR?-source=J/ApJ/922/163&Name=HD82635 10 Leonis Minoris' database entry] at VizieR.

| temperature = 5,099

| luminosity = {{Val|46.44|1.65}}

| rotational_velocity = 4.7{{cite journal | bibcode=2014A&A...561A.126D | doi=10.1051/0004-6361/201220762 | arxiv=1312.3474 | title=A catalog of rotational and radial velocities for evolved stars | journal=Astronomy & Astrophysics | volume=561 | pages=A126 | year=2014 | last1=De Medeiros | first1=J. R. | last2=Alves | first2=S. | last3=Udry | first3=S. | last4=Andersen | first4=J. | last5=Nordström | first5=B. | last6=Mayor | first6=M. | s2cid=54046583 }} [http://vizier.u-strasbg.fr/viz-bin/VizieR-4?-source=J/A%2bA/561/A126/table1&HD=82635 Vizier catalog entry]

| gravity = 2.93{{cite journal | bibcode=2011A&A...525A..71W | doi=10.1051/0004-6361/201015014 | arxiv=1009.1491 | title=Coudé-feed stellar spectral library – atmospheric parameters | journal=Astronomy & Astrophysics | volume=525 | pages=A71 | year=2010 | last1=Wu | first1=Yue | last2=Singh | first2=H. P. | last3=Prugniel | first3=P. | last4=Gupta | first4=R. | last5=Koleva | first5=M. | s2cid=53480665 }}

| metal_fe = −0.04

| agr_myr = 557

}}

{{Starbox catalog

| names = {{odlist | V=SU Leonis Minoris | F=10 LMi | BD=+37°2004 | FK5=360 | HD=82635 | HIP=46952 | HR=3800 | SAO=61570 | GC=13203 }}{{cite simbad | title=10 LMi | access-date=April 27, 2019 }}

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{{Starbox reference

| Simbad = 10+LMi

}}

{{Starbox end}}

10 Leonis Minoris is a single{{cite journal

| last1=Eggleton | first1=P. P. | last2=Tokovinin | first2=A. A.

| title=A catalogue of multiplicity among bright stellar systems

| journal=Monthly Notices of the Royal Astronomical Society

| volume=389 | issue=2 | pages=869–879 | date=September 2008

| doi=10.1111/j.1365-2966.2008.13596.x

| doi-access=free | bibcode=2008MNRAS.389..869E | arxiv=0806.2878 | s2cid=14878976 }} variable star in the northern constellation Leo Minor, located approximately 191 light years away based on parallax. It has the variable star designation SU Leonis Minoris; 10 Leonis Minoris is the Flamsteed designation. This body is visible to the naked eye as a faint, orange-hued star with a baseline apparent visual magnitude of 4.54. It is moving closer to the Earth with a heliocentric radial velocity of −12 km/s.

File:SULMiLightCurve.png) light curve for SU Leonis Minoris, adapted from Skiff and Lockwood (1986){{cite journal |last1=Skiff |first1=B. A. |last2=Lockwood |first2=G. W. |title=The photometric variability of solar-type stars. V. The standard stars10 and 11 Leonis Minoris |journal=Publications of the Astronomical Society of the Pacific |date=March 1986 |volume=98 |pages=338–341 |doi=10.1086/131763 |bibcode=1986PASP...98..338S |s2cid=119952745 |url=https://articles.adsabs.harvard.edu/pdf/1986PASP...98..338S |access-date=23 October 2022|doi-access=free }}]]

This is an evolved giant star with a stellar classification of G8.5 III.

It is reported as a RS CVn variable with magnitude varying by 0.02 mag.{{cite journal | bibcode=2006SASS...25...47W| title=The International Variable Star Index (VSX)| journal=The Society for Astronomical Sciences 25th Annual Symposium on Telescope Science. Held May 23–25| volume=25| pages=47| last1=Watson| first1=C. L.| year=2006}} and showing a high level of chromospheric activity.{{cite journal

| title=Chromospheric activity in G an K giants and their rotation-activity relation.

| last1=Strassmeier | first1=K. G. | last2=Handler | first2=G.

| last3=Paunzen | first3=E. | last4=Rauth | first4=M.

| display-authors=1 | journal=Astronomy and Astrophysics

| volume=281 | pages=855–863 | date=January 1994

| bibcode=1994A&A...281..855S }} The star has 2.54 times the mass of the Sun and has expanded to 8.7 times the Sun's radius. It is radiating 46 times the luminosity of the Sun from its enlarged photosphere at an effective temperature of 5,099 K.

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