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WASP-1

In this article we will explore the impact that WASP-1 has had on different aspects of modern society. Since its emergence, WASP-1 has generated great debate and generated significant changes in various areas, from politics to technology, including culture and interpersonal relationships. Throughout these pages, we will analyze how WASP-1 has transformed the way we interact, think and relate to the world around us. Additionally, we will examine its influence in the professional sphere and how it has affected the way companies operate and communicate with their customers. Through this analysis, we aim to shed light on the importance and scope of WASP-1 in contemporary society.

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WASP-1

Telescope photo of WASP-1
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda[1]
Right ascension 00h 20m 40.0746s[2]
Declination +31° 59′ 23.955″[2]
Apparent magnitude (V) 11.68 ± 0.05[3]
Characteristics
WASP-1A
Evolutionary stage main-sequence star
Spectral type F7V[4]
Apparent magnitude (B) ~12.0[5]
Apparent magnitude (V) 11.68 ± 0.05[3]
WASP-1B
Apparent magnitude (H) 15.130 ± 0.046[6]
Apparent magnitude (K) 15.116 ± 0.055[6]
Astrometry
WASP-1A
Radial velocity (Rv)−13.90(59)[2] km/s
Proper motion (μ) RA: −4.692(22) mas/yr[2]
Dec.: −3.320(20) mas/yr[2]
Parallax (π)2.6108±0.0218 mas[2]
Distance1,250 ± 10 ly
(383 ± 3 pc)
Absolute magnitude (MV)3.63+0.13
−0.14[3]
Details[3]
WASP-1A
Mass1.301+0.049
−0.047 M☉
Radius1.515+0.052
−0.045 R☉
Luminosity2.88+0.36
−0.30 L☉
Surface gravity (log g)4.190+0.020
−0.022 cgs
Temperature6110±75 K
Metallicity 0.26±0.08 dex
Age3.0±0.6 Gyr
WASP-1B
Mass~0.3[6]: 13  M☉
Surface gravity (log g)~4.97[6]: 13  cgs
Temperature~3400[6]: 13  K
Position (relative to WASP-1A)[6]: 11, 13 
ComponentWASP-1B
Epoch of observation2013–2014
Angular distance~4.58″
Position angle~1.9°
Projected separation1587+160
−16 AU
Other designations
1SWASP J002040.07+315923.7, USNO-B1.0 1219-00005465, TOI-6014, TIC 57984377, WASP-1, TYC 2265-107-1, GSC 02265-00107, 2MASS J00204007+3159239[5]
Database references
SIMBADdata
Exoplanet Archivedata

WASP-1 is a magnitude 12 binary star system located about 1,250 light-years away[2] in the Andromeda constellation.[7] The binary system consists of a metal-rich F-type main-sequence star, named WASP-1A, and a distant low-mass star, named WASP-1B. WASP-1A has one known transiting hot Jupiter exoplanet named WASP-1b.

Stellar companion

WASP-1A has a distant companion star, named WASP-1B. WASP-1B is a low-mass star that is around 0.3 times as massive as the Sun and has an effective temperature of about 3400 K.[6]: 24  WASP-1B is located northward of WASP-1A at an angular separation of about 4.6 arcseconds, corresponding to a projected distance of 1587 AU.[6]: 13, 15  WASP-1B was first identified in observations from 2006 and confirmed in further observations from 2012 to 2014, which showed that it shares the proper motion of WASP-1A, indicating the two stars are gravitationally bound to each other.[6]: 15 

Planetary system

In 2006, an extrasolar planet was discovered by the Wide Angle Search for Planets team using the transit method.[4] The planet has a density of 0.31 to 0.40 g/cm3, making it about half as dense as Saturn, and one third as dense as water. The orbit of WASP-1b is inclined to the rotational axis of the star by 79.0+4.3
−4.5 degrees, making it a nearly "polar" orbit.[8]

Two searches for additional planets using transit-timing variations have yielded negative results.[9][10]

The WASP-1 planetary system[11]
Companion
(in order from star) 		Mass Semimajor axis
(AU) 		Orbital period
(days) 		Eccentricity Inclination Radius
b 0.948+0.029
−0.028 MJ 		0.03958+0.00047
−0.00049 		2.51994480±0.00000050 <0.013 90.0+0.0
−2.9° 		1.514+0.052
−0.047 RJ

See also

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 e f 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 c d Torres, Guillermo; Winn, Joshua N.; Holman, Matthew J. (2008). "Improved Parameters for Extrasolar Transiting Planets". The Astrophysical Journal. 677 (2): 1324–1342. arXiv:0801.1841. Bibcode:2008ApJ...677.1324T. doi:10.1086/529429. S2CID 12899134.
  4. ^ a b Cameron, A. Collier; et al. (2007). "WASP-1b and WASP-2b: two new transiting exoplanets detected with SuperWASP and SOPHIE". Monthly Notices of the Royal Astronomical Society. 375 (3): 951–957. arXiv:astro-ph/0609688. Bibcode:2007MNRAS.375..951C. doi:10.1111/j.1365-2966.2006.11350.x. S2CID 735515.
  5. ^ a b "TYC 2265-107-1". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2009-05-20.
  6. ^ a b c d e f g h i Ngo, Henry; Knutson, Heather A.; Hinkley, Sasha; Crepp, Justin R.; Bechter, Eric B.; Batygin, Konstantin; et al. (February 2015). "Friends of Hot Jupiters. II. No Correspondence between Hot-jupiter Spin-Orbit Misalignment and the Incidence of Directly Imaged Stellar Companions". The Astrophysical Journal. 800 (2): 22. arXiv:1501.00013. Bibcode:2015ApJ...800..138N. doi:10.1088/0004-637X/800/2/138. 138.
  7. ^ Stempels, H. C.; et al. (2007). "WASP-1: a lithium- and metal-rich star with an oversized planet". Monthly Notices of the Royal Astronomical Society. 379 (2): 773–778. arXiv:0705.1677. Bibcode:2007MNRAS.379..773S. doi:10.1111/j.1365-2966.2007.11976.x. S2CID 17565024.
  8. ^ Simpson, E. K.; Pollacco, D.; Cameron, A. Collier; Hébrard, G.; Anderson, D. R.; Barros, S. C. C.; Boisse, I.; Bouchy, F.; Faedi, F.; Gillon, M.; Hebb, L.; Keenan, F. P.; Miller, G. R. M.; Moutou, C.; Queloz, D.; Skillen, I.; Sorensen, P.; Stempels, H. C.; Triaud, A.; Watson, C. A.; Wilson, P. A. (2011). "The spin-orbit angles of the transiting exoplanets WASP-1b, WASP-24b, WASP-38b and HAT-P-8b from Rossiter-Mc Laughlin observations★". Monthly Notices of the Royal Astronomical Society. 414 (4): 3023–3035. arXiv:1011.5664. Bibcode:2011MNRAS.414.3023S. doi:10.1111/j.1365-2966.2011.18603.x. S2CID 46522188.
  9. ^ Granata, V.; et al. (2014). "TASTE IV: Refining ephemeris and orbital parameters for HAT-P-20b and WASP-1b". Astronomische Nachrichten. 335 (8): 797–803. arXiv:1405.3288. Bibcode:2014AN....335..797G. doi:10.1002/asna.201412072. S2CID 118341059.
  10. ^ Maciejewski, G.; et al. (2014). "Revisiting Parameters for the WASP-1 Planetary System" (PDF). Acta Astronomica. 64 (1): 11–26. arXiv:1402.6518. Bibcode:2014AcA....64...27M.
  11. ^ Bonomo, A. S.; et al. (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 and Astrophysics. 602. A107. arXiv:1704.00373. Bibcode:2017A&A...602A.107B. doi:10.1051/0004-6361/201629882. S2CID 118923163.


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