HAT-P-19#Planetary system

{{Starbox observe

| constell = Andromeda

| epoch = J2000

| ra = {{RA|00|38|04.0136}}

| dec = {{DEC|+34|42|41.554}}

| appmag_v = 12.901

}}

{{Starbox character

| type=main sequence

| class = K1V

}}

{{Starbox astrometry

| radial_v = {{val|-19.61|0.66}}

| prop_mo_ra = {{val|−26.745|(11)}}

| prop_mo_dec = {{val|−32.568|(10)}}

| pm_footnote =

| parallax = 4.9567

| p_error = 0.0137

| parallax_footnote =

}}

{{Starbox detail

| source =

| mass = 0.863{{±|0.029|0.025}}

| radius = 0.851{{±|0.013}}

| gravity = 4.514{{±|0.019|0.017}}

| luminosity = 0.37{{±|0.08|0.06}}

| temperature = 5049{{±|42|65}}

| metal = 0.283{{±|0.081|0.079}}

| rotation = 14.66{{±|0.03}} d

| rotational_velocity =0.7{{±|0.5}}

| age_gyr = 8.8{{±|5.2}}

}}

{{Starbox catalog

| names = {{odlist|2MASS=J00380401+3442416|Gaia DR2=3654266795168165128}}

}}

{{Starbox reference

| Simbad = HAT-P-19

}}

HAT-P-19 is a K-type main-sequence star about 658 light-years away. The star is old yet metal-enriched, having amount of heavy elements 250% of solar abundance.{{citation|arxiv=1305.0578|title=Spectroscopy of Faint Kepler Mission Exoplanet Candidate Host Stars|year=2013|doi=10.1088/0004-637X/771/2/107|last1=Everett|first1=Mark E.|last2=Howell|first2=Steve B.|last3=Silva|first3=David R.|last4=Szkody|first4=Paula|journal=The Astrophysical Journal|volume=771|issue=2|page=107|bibcode=2013ApJ...771..107E|s2cid=119270620}} A survey in 2012 failed to find any stellar companions to HAT-P-19.{{citation|arxiv=1202.4586|title=A lucky imaging multiplicity study of exoplanet host stars|year=2012|doi=10.1111/j.1365-2966.2012.20485.x|last1=Ginski|first1=C.|last2=Mugrauer|first2=M.|last3=Seeliger|first3=M.|last4=Eisenbeiss|first4=T.|journal=Monthly Notices of the Royal Astronomical Society|volume=421|issue=3|pages=2498–2509|doi-access=free |bibcode=2012MNRAS.421.2498G|s2cid=118573795}}

Planetary system

In 2010 a transiting hot Saturn-sized planet was detected. Its equilibrium temperature is 984{{±|10}} K, and it is grey in color.{{citation|arxiv=1506.05685|title=Transmission spectroscopy of the inflated exo-Saturn HAT-P-19b|year=2015|doi=10.1051/0004-6361/201423778|last1=Mallonn|first1=M.|last2=von Essen|first2=C.|last3=Weingrill|first3=J.|last4=Strassmeier|first4=K. G.|last5=Ribas|first5=I.|last6=Carroll|first6=T. A.|last7=Herrero|first7=E.|last8=Granzer|first8=T.|last9=Claret|first9=A.|last10=Schwope|first10=A.|journal=Astronomy & Astrophysics|volume=580|pages=A60|bibcode=2015A&A...580A..60M|s2cid=91175943}}

The transit-timing variation measurements in 2015 and 2018 did not detect additional planets in the system.{{citation|arxiv=1508.06215|title=Ground-based transit observations of the HAT-P-18, HAT-P-19, HAT-P-27/WASP40 and WASP-21 systems|year=2015|doi=10.1093/mnras/stv1187|last1=Seeliger|first1=M.|last2=Kitze|first2=M.|last3=Errmann|first3=R.|last4=Richter|first4=S.|last5=Ohlert|first5=J. M.|last6=Chen|first6=W. P.|last7=Guo|first7=J. K.|last8=Göğüş|first8=E.|last9=Güver|first9=T.|last10=Aydın|first10=B.|last11=Mottola|first11=S.|last12=Hellmich|first12=S.|last13=Fernandez|first13=M.|last14=Aceituno|first14=F. J.|last15=Dimitrov|first15=D.|last16=Kjurkchieva|first16=D.|last17=Jensen|first17=E.|last18=Cohen|first18=D.|last19=Kundra|first19=E.|last20=Pribulla|first20=T.|last21=Vaňko|first21=M.|last22=Budaj|first22=J.|last23=Mallonn|first23=M.|last24=Wu|first24=Z.-Y.|last25=Zhou|first25=X.|last26=Raetz|first26=St.|last27=Adam|first27=C.|last28=Schmidt|first28=T. O. B.|last29=Ide|first29=A.|last30=Mugrauer|first30=M.|journal=Monthly Notices of the Royal Astronomical Society|volume=451|issue=4|pages=4060–4072|doi-access=free |s2cid=56034663|display-authors=29}}{{citation|arxiv=1808.03306|year=2018|doi=10.22444/IBVS.6243|last1=MacIejewski|first1=G.|last2=Stangret|first2=M.|last3=Ohlert|first3=J.|last4=Basaran|first4=Ç.S.|last5=MacIejczak|first5=J.|last6=Puciata-Mroczynska|first6=M.|last7=Boulanger|first7=E.|title=New transit timing observations for GJ 436 b, HAT-P-3 b, HAT-P-19 b, WASP-3 b, and XO-2 B|journal=Information Bulletin on Variable Stars|volume=6243|issue=6243|page=1|bibcode=2018IBVS.6243....1M|s2cid=118872603}}

File:Exoplanet Comparison HAT-P-19 b.png

{{OrbitboxPlanet begin

| table_ref = {{citation|arxiv=1911.07903|title=A Holistic and Probabilistic Approach to the Ground-based Data of HAT-P-19 System|year=2019|doi=10.1093/mnras/staa1758|last1=Basturk|first1=Ozgur|last2=Yalcinkaya|first2=Selcuk|last3=Esmer|first3=Ekrem M.|last4=Tanriverdi|first4=Taner|last5=Keten|first5=Burak|doi-access=free |s2cid=208158330}}

}}

{{OrbitboxPlanet

| exoplanet = b

| mass = 0.290{{±|0.016}}

| radius = 1.089{{±|0.018}}

| semimajor = 0.04649{{±||0.00062|0.00059}}

| period = 4.00878236{{±|0.00000050|0.00000049}}

| eccentricity = 0.084{{±|0.041}}

| inclination = 88.67{{±|0.41|0.25}}

}}

References

{{Reflist|refs=

[http://simbad.u-strasbg.fr/simbad/sim-id?Ident=HAT-P-19 HAT-P-19 -- Star]

{{cite journal |bibcode=2011ApJ...726...52H |title=HAT-P-18b and HAT-P-19b: Two Low-density Saturn-mass Planets Transiting Metal-rich K Stars |last1=Hartman |first1=J. D. |last2=Bakos |first2=G. Á. |last3=Sato |first3=B. |last4=Torres |first4=G. |last5=Noyes |first5=R. W. |last6=Latham |first6=D. W. |last7=Kovács |first7=G. |last8=Fischer |first8=D. A. |last9=Howard |first9=A. W. |last10=Johnson |first10=J. A. |last11=Marcy |first11=G. W. |last12=Buchhave |first12=L. A. |last13=Füresz |first13=G. |last14=Perumpilly |first14=G. |last15=Béky |first15=B. |last16=Stefanik |first16=R. P. |last17=Sasselov |first17=D. D. |last18=Esquerdo |first18=G. A. |last19=Everett |first19=M. |last20=Csubry |first20=Z. |last21=Lázár |first21=J. |last22=Papp |first22=I. |last23=Sári |first23=P. |journal=The Astrophysical Journal |date=2011 |volume=726 |issue=1 |page=52 |doi=10.1088/0004-637X/726/1/52 |arxiv=1007.4850 }}

{{cite journal | last1=Wang | first1=Xian-Yu | last2=Wang | first2=Yong-Hao | last3=Wang | first3=Songhu | last4=Wu | first4=Zhen-Yu | last5=Rice | first5=Malena | last6=Zhou | first6=Xu | last7=Hinse | first7=Tobias C. | last8=Liu | first8=Hui-Gen | last9=Ma | first9=Bo | last10=Peng | first10=Xiyan | last11=Zhang | first11=Hui | last12=Yu | first12=Cong | last13=Zhou | first13=Ji-Lin | last14=Laughlin | first14=Gregory | display-authors=1 | title=Transiting Exoplanet Monitoring Project (TEMP). VI. The Homogeneous Refinement of System Parameters for 39 Transiting Hot Jupiters with 127 New Light Curves | journal=The Astrophysical Journal Supplement Series | date=1 July 2021 | volume=255 | issue=1 | at=15 | arxiv=2105.14851 | bibcode=2021ApJS..255...15W | doi=10.3847/1538-4365/ac0835 | s2cid=235253975 | doi-access=free }}

}}

Category:Andromeda (constellation)

Category:K-type main-sequence stars

Category:Planetary systems with one confirmed planet

Category:Planetary transit variables

J07273995+2420118