WASP-36

WASP-36

Observation data Epoch J2000       Equinox J2000
Constellation	Hydra [1]
Right ascension	08h 46m 19.2977s [2]
Declination	−08° 01′ 37.016″ [2]
Apparent magnitude  (V)	12.7 [3]
Characteristics
Evolutionary stage	main sequence [4]
Spectral type	G2V [4]
B−V color index	0.4[ citation needed ]
J−H color index	0.256[ citation needed ]
J−K color index	0.315[ citation needed ]
Astrometry
Radial velocity (Rv)	−12.45±0.97 [2] km/s
Proper motion (μ)	RA: −4.040 mas/yr [2] Dec.: −8.502 mas/yr [2]
Parallax (π)	2.6493±0.0129  mas [2]
Distance	1,231 ± 6  ly (377 ± 2  pc)
Details [5]
Mass	1.03+0.033 −0.036  M☉
Radius	0.966+0.013 −0.014  R☉
Luminosity	1.202+0.089 −0.081  L☉
Surface gravity (log g)	4.4807+0.0086 −0.0085  cgs
Temperature	6150+110 −100  K
Metallicity [Fe/H]	−0.26±0.10 [6]   dex
Rotational velocity (v sin i)	3.3±1.2 [4]  km/s
Age	1.01+1.1 −0.68  Gyr
Other designations
TOI-567, TIC 13349647, WASP-36, 2MASS J08461929-0801370, DENIS J084619.3-080136 [3]
Database references
SIMBAD	data
Exoplanet Archive	data

WASP-36 is a G-type main-sequence star about 1,230 light-years away in the Hydra constellation.

Star characteristics

WASP-36 is a yellow main sequence star of spectral class G2, similar to the Sun. ^[7] It has a candidate stellar companion with apparent magnitude 14.03, ^{[8] [9]} seemingly confirmed in 2019 using Gaia DR2 data. ^[10]

Planetary system

In 2010, the SuperWASP survey found the hot Jupiter class planet WASP-36b using the transit method. ^[11] Its temperature was measured to be 1705±44 K. ^[12] The planetary transmission spectrum taken in 2016 has turned out to be anomalous: the planet appears to be surrounded by a blue-tinted halo that is too wide to be an atmosphere and may represent a measurement error. ^[6]

The planetary dayside temperature measured in 2020 is 1440⁺¹⁵⁰
₋₁₆₀ K. ^[13]

The WASP-36 planetary system ^[5]

Companion (in order from star)	Mass	Semimajor axis (AU)	Orbital period (days)	Eccentricity	Inclination	Radius
b	2.281+0.070 −0.071  MJ	0.02635+0.00028 −0.00031	1.53736533(14)	0.0087+0.0097 −0.0061	83.42+0.12 −0.11 °	1.270+0.018 −0.019  RJ

References

1. Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific . 99 (617): 695. Bibcode:1987PASP...99..695R. doi: 10.1086/132034 . Constellation record for this object at VizieR.
2. Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv: 2208.00211 . Bibcode:2023A&A...674A...1G. doi: 10.1051/0004-6361/202243940 . S2CID   244398875. Gaia DR3 record for this source at VizieR.
3. "WASP-36". SIMBAD . Centre de données astronomiques de Strasbourg.
4. Smith, A. M. S.; Anderson, D. R.; Collier Cameron, A.; Gillon, M.; Hellier, C.; Lendl, M.; Maxted, P. F. L.; Queloz, D.; Smalley, B.; Triaud, A. H. M. J.; West, R. G.; Barros, S. C. C.; Jehin, E.; Pepe, F.; Pollacco, D.; Segransan, D.; Southworth, J.; Street, R. A.; Udry, S. (2012). "WASP-36b: A New Transiting Planet around a Metal-poor G-dwarf, and an Investigation into Analyses Based on a Single Transit Light Curve". The Astronomical Journal. 143 (4): 81. arXiv: 1110.5313 . Bibcode:2012AJ....143...81S. doi:10.1088/0004-6256/143/4/81.
5. Wang, Xian-Yu; Wang, Yong-Hao; Wang, Songhu; Wu, Zhen-Yu; Rice, Malena; Zhou, Xu; Hinse, Tobias C.; Liu, Hui-Gen; Ma, Bo; Peng, Xiyan; Zhang, Hui; Yu, Cong; Zhou, Ji-Lin; Laughlin, Gregory (2021), "Transiting Exoplanet Monitoring Project (TEMP). VI. The Homogeneous Refinement of System Parameters for 39 Transiting Hot Jupiters with 127 New Light Curves", The Astrophysical Journal Supplement Series, 255 (1): 15, arXiv: 2105.14851 , Bibcode:2021ApJS..255...15W, doi: 10.3847/1538-4365/ac0835 , S2CID   235253975
6. Mancini, L.; Kemmer, J.; Southworth, J.; Bott, K.; Mollière, P.; Ciceri, S.; Chen, G.; Henning, Th. (2016). "An optical transmission spectrum of the giant planet WASP-36 b". Monthly Notices of the Royal Astronomical Society. 459 (2): 1393–1402. arXiv: 1603.08031 . Bibcode:2016MNRAS.459.1393M. doi: 10.1093/mnras/stw659 . S2CID   53411511.
7. "Wasp-36b". NASA Exoplanet Exploration. NASA. 2 October 2017. Retrieved 21 May 2020.
8. Ngo, Henry; Knutson, Heather A.; Hinkley, Sasha; Bryan, Marta; Crepp, Justin R.; Batygin, Konstantin; Crossfield, Ian; Hansen, Brad; Howard, Andrew W.; Johnson, John A.; Mawet, Dimitri; Morton, Timothy D.; Muirhead, Philip S.; Wang, Ji (2016). "FRIENDS OF HOT JUPITERS. IV. STELLAR COMPANIONS BEYOND 50 au MIGHT FACILITATE GIANT PLANET FORMATION, BUT MOST ARE UNLIKELY TO CAUSE KOZAI–LIDOV MIGRATION". The Astrophysical Journal. 827 (1): 8. arXiv: 1606.07102 . Bibcode:2016ApJ...827....8N. doi: 10.3847/0004-637X/827/1/8 . S2CID   41083068.
9. Evans, D. F.; Southworth, J.; Maxted, P. F. L.; Skottfelt, J.; Hundertmark, M.; Jørgensen, U. G.; Dominik, M.; Alsubai, K. A.; Andersen, M. I.; Bozza, V.; Bramich, D. M.; Burgdorf, M. J.; Ciceri, S.; d'Ago, G.; Figuera Jaimes, R.; Gu, S.-H.; Haugbølle, T.; Hinse, T. C.; Juncher, D.; Kains, N.; Kerins, E.; Korhonen, H.; Kuffmeier, M.; Mancini, L.; Peixinho, N.; Popovas, A.; Rabus, M.; Rahvar, S.; Schmidt, R. W.; et al. (2016). "High-resolution Imaging of Transiting Extrasolar Planetary systems (HITEP)". Astronomy & Astrophysics. 589: A58. arXiv: 1603.03274 . Bibcode:2016A&A...589A..58E. doi:10.1051/0004-6361/201527970. S2CID   14215845.
10. Mugrauer, M. (December 2019). "Search for stellar companions of exoplanet host stars by exploring the second ESA-Gaia data release". Monthly Notices of the Royal Astronomical Society . 490 (4): 5088–5102. Bibcode:2019MNRAS.490.5088M. doi: 10.1093/mnras/stz2673 .
11. WASP-36 b Solar analogue 1.5 day orbital period 2.4 Jupiter masses 1.4 Jupiter radii
12. Garhart, Emily; Deming, Drake; Mandell, Avi; Knutson, Heather A.; Wallack, Nicole; Burrows, Adam; Fortney, Jonathan J.; Hood, Callie; Seay, Christopher; Sing, David K.; Benneke, Björn; Fraine, Jonathan D.; Kataria, Tiffany; Lewis, Nikole; Madhusudhan, Nikku; McCullough, Peter; Stevenson, Kevin B.; Wakeford, Hannah (2020). "Statistical Characterization of Hot Jupiter Atmospheres Using Spitzer's Secondary Eclipses". The Astronomical Journal. 159 (4): 137. arXiv: 1901.07040 . Bibcode:2020AJ....159..137G. doi: 10.3847/1538-3881/ab6cff . S2CID   119209434.
13. Wong, Ian; Shporer, Avi; Daylan, Tansu; Benneke, Björn; Fetherolf, Tara; Kane, Stephen R.; Ricker, George R.; Vanderspek, Roland; Latham, David W.; Winn, Joshua N.; Jenkins, Jon M.; Boyd, Patricia T.; Glidden, Ana; Goeke, Robert F.; Sha, Lizhou; Ting, Eric B.; Yahalomi, Daniel (2020), "Systematic phase curve study of known transiting systems from year one of the TESS mission", The Astronomical Journal, 160 (4): 155, arXiv: 2003.06407 , Bibcode:2020AJ....160..155W, doi: 10.3847/1538-3881/ababad , S2CID   212717799

Further reading

• Zhou, G.; Bayliss, D. D. R.; Kedziora-Chudczer, L.; Tinney, C. G.; Bailey, J.; Salter, G.; Rodriguez, J. (2015). "Secondary eclipse observations for seven hot-Jupiters from the Anglo-Australian Telescope". Monthly Notices of the Royal Astronomical Society. 454 (3): 3002–3019. arXiv: 1509.04147 . Bibcode:2015MNRAS.454.3002Z. doi: 10.1093/mnras/stv2138 . S2CID   84835437.
• Maciejewski, G.; Dimitrov, D.; Mancini, L.; Southworth, J.; Ciceri, S.; D'Ago, G.; Bruni, I.; Raetz, St.; Nowak, G.; Ohlert, J.; Puchalski, D.; Saral, G.; Derman, E.; Petrucci, R.; Jofre, E.; Seeliger, M.; Henning, T. (2016). "New transit observations for HAT-P-30 b, HAT-P-37 b, TrES-5 b, WASP-28 b, WASP-36 b, and WASP-39 B". Acta Astronomica. 66 (1): 55. arXiv: 1603.03268 . Bibcode:2016AcA....66...55M.