R Virginis

{{Starbox begin

| name = R Virginis

}}

{{Starbox image

| image = 250px

| caption = The visual band light curve of R Virginis, from AAVSO data

}}

{{Starbox observe

| constell = Virgo

| epoch = J2000

| ra = {{RA|12|38|29.9338}}

| dec = {{DEC|+06|59|19.0256}}

| appmag_v = 6.1 - 12.1

}}

{{Starbox character

| class = M3.5-7e

| b-v = 1.56

| u-b = 1.22

| variable = Mira

}}

{{Starbox astrometry

| radial_v = −26.60

| prop_mo_ra = {{val|−32.283|0.248}}

| prop_mo_dec = {{val|4.483|0.186}}

| parallax = 1.8884

| p_error = 0.0946

| parallax_footnote =

}}

{{Starbox detail

| mass = 2.18

| temperature = 3,300–3,800

| radius = 130

| luminosity =

| gravity = 0.44

| metal_fe = +0.49

}}

{{Starbox catalog

| names = R Virginis, TYC 295-2-1, AG+07°1658, HD 109914, BD+07°2561, DO 3264, HIP 61667, GC 17212, HR 4808, RAFGL 4157, SAO 119509

}}

R Virginis is a Mira variable in the constellation Virgo. Located approximately {{convert|530|pc|ly}} distant, it varies between magnitudes 6.1 and 12.1 over a period of approximately 146 days. Its variable nature was discovered by Karl Ludwig Harding in 1809.

References

{{Reflist|refs=

{{cite web |title=Download Data |url=https://www.aavso.org/data-download |website=aavso.org |publisher=AAVSO |access-date=1 October 2021}}

{{Cite journal |last=Anders |first=F. |last2=Khalatyan |first2=A. |last3=Queiroz |first3=A. B. A. |last4=Chiappini |first4=C. |last5=Ardèvol |first5=J. |last6=Casamiquela |first6=L. |last7=Figueras |first7=F. |last8=Jiménez-Arranz |first8=Ó. |last9=Jordi |first9=C. |last10=Monguió |first10=M. |last11=Romero-Gómez |first11=M. |last12=Altamirano |first12=D. |last13=Antoja |first13=T. |last14=Assaad |first14=R. |last15=Cantat-Gaudin |first15=T. |date=2022-02-01 |title=Photo-astrometric distances, extinctions, and astrophysical parameters for Gaia EDR3 stars brighter than G = 18.5 |bibcode=2022A&A...658A..91A |journal=Astronomy and Astrophysics |volume=658 |pages=A91 |doi=10.1051/0004-6361/202142369 |issn=0004-6361|arxiv=2111.01860 }}

{{Cite journal |last=Eisner |first=J. A. |last2=Graham |first2=J. R. |last3=Akeson |first3=R. L. |last4=Ligon |first4=E. R. |last5=Colavita |first5=M. M. |last6=Basri |first6=G. |last7=Summers |first7=K. |last8=Ragland |first8=S. |last9=Booth |first9=A. |date=2006-12-07 |title=Stellar and Molecular Radii of a Mira Star: First Observations with the Keck Interferometer Grism |journal=The Astrophysical Journal |language=en |volume=654 |issue=1 |pages=L77 |doi=10.1086/510717 |issn=0004-637X|arxiv=astro-ph/0611312 }}

{{cite web | title=R Virginis | url=http://www.aavso.org/vsx/index.php?view=detail.top&oid=37809 | author=VSX | date=4 January 2010 | work=AAVSO Website | publisher=American Association of Variable Star Observers | access-date=24 May 2014}}

{{cite journal | title=Three Early Variable Star Catalogues | last1=Zsoldos | first1=E. | journal=Journal for the History of Astronomy | volume=25 | issue=2 | pages=92–98 | year=1994 | bibcode=1994JHA....25...92Z | doi=10.1177/002182869402500202 | s2cid=117099222 }}

{{cite journal |bibcode=2006AstL...32..759G |title=Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system |last1=Gontcharov |first1=G. A. |journal=Astronomy Letters |volume=32 |issue=11 |pages=759–771 |year=2006 |arxiv=1606.08053 |doi=10.1134/S1063773706110065 |s2cid=119231169 }}

{{cite journal |bibcode= 2002yCat.2237....0D |title= VizieR On-line Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system |last1= Ducati |first1= J. R. |journal= VizieR On-line Data Catalog |year= 2002 }}

{{cite journal |bibcode=1974ApJS...28..271K |title=Revised Catalog of Spectra of Mira Variables of Types ME and Se |last1=Keenan |first1=Philip C. |last2=Garrison |first2=Robert F. |last3=Deutsch |first3=Armin J. |journal=The Astrophysical Journal Supplement Series |volume=28 |pages=271 |year=1974 |doi=10.1086/190318 |doi-access=free }}

}}

Category:Mira variables

Category:Virgo (constellation)

Category:M-type giants

Category:Durchmusterung objects

Category:Emission-line stars