WASP-37

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WASP-37
Observation data
Epoch J2000      Equinox J2000
ConstellationVirgo[1]
Right ascension14h 47m 46.5620s[2]
Declination01° 03′ 53.800″[2]
Apparent magnitude (V)12.704[3]
Characteristics
Evolutionary stagemain sequence[4]
Spectral typeG2V[4]
Astrometry
Radial velocity (Rv)7.927±0.0042[5] km/s
Proper motion (μ) RA: −28.214(16) mas/yr[2]
Dec.: +18.201(42) mas/yr[2]
Parallax (π)2.6257±0.0173 mas[2]
Distance1,242 ± 8 ly
(381 ± 3 pc)
Details[6]
Mass0.926+0.039
−0.034 M☉
Radius1.071+0.019
−0.018 R☉
Surface gravity (log g)4.346+0.023
−0.021 cgs
Temperature5,795+69
−64 K
Metallicity [Fe/H]−0.098+0.05
−0.06 dex
Rotational velocity (v sin i)2.4±1.6[7] km/s
Age10.31+4.01
−2.55[8] Gyr
Other designations
TOI-5674, TIC 368805700, WASP-37, 2MASS J14474655+0103538, DENIS J144746.5+010354[3]
Database references
SIMBADdata
Exoplanet Archivedata

WASP-37 is a G-type main-sequence star about 1,240 light-years away in the constellation of Virgo.

Star characteristics

[edit]

WASP-37 has a low metallicity of just 40% of solar,[4] and is likely older than the Sun.[7] WASP-37 does not have noticeable flare activity.[9]

Planetary system

[edit]

The hot Jupiter class planet WASP-37b was discovered around WASP-37 in 2010.[4] A study in 2018 found that the stability of orbits in the habitable zone of WASP-37 is not significantly affected by WASP-37b.[10]

The WASP-37 planetary system[11]
Companion
(in order from star)		MassSemimajor axis
(AU)		Orbital period
(days)		EccentricityInclinationRadius
b1.72±0.17 MJ0.0447+0.0018
−0.0020		3.5774807(19)[12]<0.05288.82+0.77
−0.86°		1.16+0.07
−0.06 RJ

References

[edit]
  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. ^ a b c d 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. ^ a b "WASP-37". SIMBAD. Centre de données astronomiques de Strasbourg.
  4. ^ a b c d Simpson, E. K.; Faedi, F.; Barros, S. C. C.; Brown, D. J. A.; Cameron, A. Collier; Hebb, L.; Pollacco, D.; Smalley, B.; Todd, I.; Butters, O. W.; Hébrard, G.; McCormac, J.; Miller, G. R. M.; Santerne, A.; Street, R. A.; Skillen, I.; Triaud, A. H. M. J.; Anderson, D. R.; Bento, J.; Boisse, I.; Bouchy, F.; Enoch, B.; Haswell, C. A.; Hellier, C.; Holmes, S.; Horne, K.; Keenan, F. P.; Lister, T. A.; Maxted, P. F. L.; et al. (2011). "WASP-37b: A 1.8 M J Exoplanet Transiting a Metal-poor Star". The Astronomical Journal. 141 (1): 8. arXiv:1008.3096. Bibcode:2011AJ....141....8S. doi:10.1088/0004-6256/141/1/8. S2CID 20036137.
  5. ^ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  6. ^ 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
  7. ^ a b Brown, D. J. A. (2014). "Discrepancies between isochrone fitting and gyrochronology for exoplanet host stars?". Monthly Notices of the Royal Astronomical Society. 442 (2): 1844–1862. arXiv:1406.4402. Bibcode:2014MNRAS.442.1844B. doi:10.1093/mnras/stu950. S2CID 56052792.
  8. ^ Maxted, P. F. L.; Koen, C.; Smalley, B. (2011). "UBV(RI)C photometry of transiting planet hosting stars". Monthly Notices of the Royal Astronomical Society. 418 (2): 1039–1042. arXiv:1108.0349. Bibcode:2011MNRAS.418.1039M. doi:10.1111/j.1365-2966.2011.19554.x. S2CID 117056033.
  9. ^ Shkolnik, Evgenya L. (2013). "An Ultraviolet Investigation of Activity on Exoplanet Host Stars". The Astrophysical Journal. 766 (1): 9. arXiv:1301.6192. Bibcode:2013ApJ...766....9S. doi:10.1088/0004-637X/766/1/9. S2CID 118415788.
  10. ^ Georgakarakos, Nikolaos; Eggl, Siegfried; Dobbs-Dixon, Ian (2018). "Giant Planets: Good Neighbors for Habitable Worlds?". The Astrophysical Journal. 856 (2): 155. arXiv:1804.02183. Bibcode:2018ApJ...856..155G. doi:10.3847/1538-4357/aaaf72. S2CID 119522834.
  11. ^ Bonomo, A. S.; Desidera, S.; et al. (June 2017). "The GAPS Programme with HARPS-N at TNG. XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets". Astronomy & Astrophysics. 602: A107. arXiv:1704.00373. Bibcode:2017A&A...602A.107B. doi:10.1051/0004-6361/201629882. S2CID 118923163.
  12. ^ Mallonn, M.; von Essen, C.; Herrero, E.; Alexoudi, X.; Granzer, T.; Sosa, M.; Strassmeier, K. G.; Bakos, G.; Bayliss, D.; Brahm, R.; Bretton, M.; Campos, F.; Carone, L.; Colón, K. D.; Dale, H. A.; Dragomir, D.; Espinoza, N.; Evans, P.; Garcia, F.; Gu, S.-H.; Guerra, P.; Jongen, Y.; Jordán, A.; Kang, W.; Keles, E.; Kim, T.; Lendl, M.; Molina, D.; Salisbury, M.; et al. (2019). "Ephemeris refinement of 21 hot Jupiter exoplanets with high timing uncertainties". Astronomy & Astrophysics. 622: A81. arXiv:1812.05882. Bibcode:2019A&A...622A..81M. doi:10.1051/0004-6361/201834194. S2CID 92990448.
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Retrieved from "https://en.wikipedia.org/w/index.php?title=WASP-37&oldid=1328048332"
    WASP-37
    Observation data
    Epoch J2000      Equinox J2000
    ConstellationVirgo[1]
    Right ascension14h 47m 46.5620s[2]
    Declination01° 03′ 53.800″[2]
    Apparent magnitude (V)12.704[3]
    Characteristics
    Evolutionary stagemain sequence[4]
    Spectral typeG2V[4]
    Astrometry
    Radial velocity (Rv)7.927±0.0042[5] km/s
    Proper motion (μ) RA: −28.214(16) mas/yr[2]
    Dec.: +18.201(42) mas/yr[2]
    Parallax (π)2.6257±0.0173 mas[2]
    Distance1,242 ± 8 ly
    (381 ± 3 pc)
    Details[6]
    Mass0.926+0.039
    −0.034     M☉
    Radius1.071+0.019
    −0.018     R☉
    Surface gravity (log g)4.346+0.023
    −0.021     cgs
    Temperature5,795+69
    −64     K
    Metallicity [Fe/H]−0.098+0.05
    −0.06     dex
    Rotational velocity (v sin i)2.4±1.6[7] km/s
    Age10.31+4.01
    −2.55    [8] Gyr
    Other designations
    TOI-5674, TIC 368805700, WASP-37, 2MASS J14474655+0103538, DENIS J144746.5+010354[3]
    Database references
    SIMBADdata
    Exoplanet Archivedata

    WASP-37 is a G-type main-sequence star about 1,240 light-years away in the constellation of Virgo.

    Star characteristics

    WASP-37 has a low metallicity of just 40% of solar,[4] and is likely older than the Sun.[7] WASP-37 does not have noticeable flare activity.[9]

    Planetary system

    The hot Jupiter class planet WASP-37b was discovered around WASP-37 in 2010.[4] A study in 2018 found that the stability of orbits in the habitable zone of WASP-37 is not significantly affected by WASP-37b.[10]

    The WASP-37 planetary system[11]
    Companion
    (in order from star)    		MassSemimajor axis
    (AU)    		Orbital period
    (days)    		EccentricityInclinationRadius
    b1.72±0.17 MJ0.0447+0.0018
    −0.0020    		3.5774807(19)[12]<0.05288.82+0.77
    −0.86    °    		1.16+0.07
    −0.06     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. ^ a b c d 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. ^ a b "WASP-37". SIMBAD. Centre de données astronomiques de Strasbourg.
    4. ^ a b c d Simpson, E. K.; Faedi, F.; Barros, S. C. C.; Brown, D. J. A.; Cameron, A. Collier; Hebb, L.; Pollacco, D.; Smalley, B.; Todd, I.; Butters, O. W.; Hébrard, G.; McCormac, J.; Miller, G. R. M.; Santerne, A.; Street, R. A.; Skillen, I.; Triaud, A. H. M. J.; Anderson, D. R.; Bento, J.; Boisse, I.; Bouchy, F.; Enoch, B.; Haswell, C. A.; Hellier, C.; Holmes, S.; Horne, K.; Keenan, F. P.; Lister, T. A.; Maxted, P. F. L.; et al. (2011). "WASP-37b: A 1.8 M J Exoplanet Transiting a Metal-poor Star". The Astronomical Journal. 141 (1): 8. arXiv:1008.3096. Bibcode:2011AJ....141....8S. doi:10.1088/0004-6256/141/1/8. S2CID 20036137.
    5. ^ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
    6. ^ 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
    7. ^ a b Brown, D. J. A. (2014). "Discrepancies between isochrone fitting and gyrochronology for exoplanet host stars?". Monthly Notices of the Royal Astronomical Society. 442 (2): 1844–1862. arXiv:1406.4402. Bibcode:2014MNRAS.442.1844B. doi:10.1093/mnras/stu950. S2CID 56052792.
    8. ^ Maxted, P. F. L.; Koen, C.; Smalley, B. (2011). "UBV(RI)C photometry of transiting planet hosting stars". Monthly Notices of the Royal Astronomical Society. 418 (2): 1039–1042. arXiv:1108.0349. Bibcode:2011MNRAS.418.1039M. doi:10.1111/j.1365-2966.2011.19554.x. S2CID 117056033.
    9. ^ Shkolnik, Evgenya L. (2013). "An Ultraviolet Investigation of Activity on Exoplanet Host Stars". The Astrophysical Journal. 766 (1): 9. arXiv:1301.6192. Bibcode:2013ApJ...766....9S. doi:10.1088/0004-637X/766/1/9. S2CID 118415788.
    10. ^ Georgakarakos, Nikolaos; Eggl, Siegfried; Dobbs-Dixon, Ian (2018). "Giant Planets: Good Neighbors for Habitable Worlds?". The Astrophysical Journal. 856 (2): 155. arXiv:1804.02183. Bibcode:2018ApJ...856..155G. doi:10.3847/1538-4357/aaaf72. S2CID 119522834.
    11. ^ Bonomo, A. S.; Desidera, S.; et al. (June 2017). "The GAPS Programme with HARPS-N at TNG. XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets". Astronomy & Astrophysics. 602: A107. arXiv:1704.00373. Bibcode:2017A&A...602A.107B. doi:10.1051/0004-6361/201629882. S2CID 118923163.
    12. ^ Mallonn, M.; von Essen, C.; Herrero, E.; Alexoudi, X.; Granzer, T.; Sosa, M.; Strassmeier, K. G.; Bakos, G.; Bayliss, D.; Brahm, R.; Bretton, M.; Campos, F.; Carone, L.; Colón, K. D.; Dale, H. A.; Dragomir, D.; Espinoza, N.; Evans, P.; Garcia, F.; Gu, S.-H.; Guerra, P.; Jongen, Y.; Jordán, A.; Kang, W.; Keles, E.; Kim, T.; Lendl, M.; Molina, D.; Salisbury, M.; et al. (2019). "Ephemeris refinement of 21 hot Jupiter exoplanets with high timing uncertainties". Astronomy & Astrophysics. 622: A81. arXiv:1812.05882. Bibcode:2019A&A...622A..81M. doi:10.1051/0004-6361/201834194. S2CID 92990448.
    Stub icon

    This main-sequence-star-related article is a stub. You can help Wikipedia by expanding it.

    Retrieved from "https://en.wikipedia.org/w/index.php?title=WASP-37&oldid=1328048332"