Kepler-71

{{more footnotes|date=June 2025}}

{{Starbox begin}}

{{Starbox observe

| epoch = J2000

| constell = Cygnus

| ra = {{RA|19|37|57.7155}}{{cn|date=June 2025}}

| dec = {{DEC|46|17|08.943}}{{cn|date=June 2025}}

| appmag_v = 15.06{{cn|date=June 2025}}

}}

{{Starbox character

| type = main sequence star{{cn|date=June 2025}}

| class = G8V

| r-i = 0.46

| v-r = -0.29

| b-v =

| u-b =

| j-h = 0.377

| j-k = 0.457

| variable = ROT{{cite web |url=https://www.aavso.org/vsx/index.php?view=about.vartypes |title=VARIABLE STAR TYPE DESIGNATIONS IN VSX |author1=Sebastián Otero |author2=Christopher Watson |author3=Patrick Wils |website=Variable Star Index |accessdate=2020-05-23 }}]

}}

{{Starbox astrometry

| radial_v = 0{{±|7}}{{cn|date=June 2025}}

| total_v =

| prop_mo_ra = -2.343{{±|0.039}}{{cn|date=June 2025}}

| prop_mo_dec = -1.073{{±|0.041}}{{cn|date=June 2025}}

| parallax = 1.0647

| p_error = 0.0204

| parallax_footnote = {{cn|date=June 2025}}

| dist_ly =

| dist_pc =

| absmag_v =

| absmag_bol =

}}

{{Starbox detail

| source = {{cite journal|arxiv=1703.00883|doi=10.1017/S1743921317004057|title=Analysis of Kepler-71 Activity Through Planetary Transit|year=2016|last1=Gusmão|first1=Eber A.|last2=Selhorst|first2=Caius L.|last3=Oliveira|first3=Alexandre S.|journal=Proceedings of the International Astronomical Union|volume=12|pages=140–142|s2cid=119106951}}{{cite journal |doi=10.1093/mnras/sty3474 |title=Differential rotation of Kepler-71 via transit photometry mapping of faculae and starspots |year=2019 |last1=Zaleski |first1=S. M. |last2=Valio |first2=A. |last3=Marsden |first3=S. C. |last4=Carter |first4=B. D. |journal=Monthly Notices of the Royal Astronomical Society |volume=484 |issue=1 |pages=618–630 |bibcode=2019MNRAS.484..618Z |url=http://eprints.usq.edu.au/37370/2/Zaleski_pub_2019.pdf |doi-access=free |archive-date=2020-05-08 |access-date=2020-09-02 |archive-url=https://web.archive.org/web/20200508131554/https://eprints.usq.edu.au/37370/2/Zaleski_pub_2019.pdf |url-status=dead }}

| mass = 0.923

| radius = 0.816

| luminosity =

| gravity = 4.54{{±|0.01}}

| temperature = 5545

| metal_fe = 0.22

| rotation = period 20 days

| rotational_velocity =

| age_gyr = 2.5-4

}}

{{Starbox catalog

| names = KOI-217, BOKS 40959, KIC 9595827, 2MASS J19392772+4617090, Gaia DR2 2080095679848047872[http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=Kepler-71 KOI-217 -- Rotationally variable Star]

}}

{{Starbox reference

| Simbad = Kepler-71

}}

{{Starbox end}}

Kepler-71 is a yellow main sequence star in the constellation of Cygnus.