| Observation data Epoch J2000 Equinox | |
|---|---|
| Constellation | Virgo |
| Right ascension | 14h 47m 46.5618s |
| Declination | 01° 03′ 53.8024″ |
| Apparent magnitude (V) | 12.704 |
| Characteristics | |
| Evolutionary stage | main sequence star |
| Spectral type | G2V |
| U−Bcolor index | 0.022 |
| B−Vcolor index | 0.628 |
| V−Rcolor index | 0.337 |
| J−Hcolor index | 0.378 |
| J−Kcolor index | 0.406 |
| Astrometry | |
| Radial velocity (Rv) | 7.927±0.0042 km/s |
| Proper motion (μ) | RA: -28.082±0.069mas/yr Dec.: 18.018±0.062mas/yr |
| Parallax (π) | 2.5183±0.0493 mas |
| Distance | 1,300 ± 30 ly (397 ± 8 pc) |
| Details[1] | |
| Mass | 0.926+0.039 −0.034 M☉ |
| Radius | 1.071+0.019 −0.018 R☉ |
| Surface gravity (log g) | 4.346+0.023 −0.021 cgs |
| Temperature | 5795+69 −64 K |
| Metallicity [Fe/H] | -0.098+0.05 −0.06 dex |
| Rotational velocity (v sin i) | 2.4±1.6[2] km/s |
| Age | 10.31+4.01 −2.55[3] Gyr |
| Other designations | |
| WASP-37, DENIS J144746.5+010354, 2MASS J14474655+0103538, Gaia DR2 3652176997218325888[4] | |
| Database references | |
| SIMBAD | data |
WASP-37 is a yellowmain sequencestar in theconstellation ofVirgo.
WASP-37 has a low metallicity of just 40% of solar,[5] and is likely older than Sun.[2] WASP-37 does not have noticeable flare activity.[6]
The "Hot Jupiter" class planet WASP-37b was discovered around WASP-37 in 2010.[5] The study in 2018 has found the stability of orbits in habitable zone of WASP-37 is not significantly affected by WASP-37b planet.[7]
| Companion (in order from star) | Mass | Semimajor axis (AU) | Orbital period (days) | Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 1.79±0.17 MJ | 0.045±0.002 | 3.5774807±0.0000019 | 0 | 88.78° | 1.16+0.07 −0.06 RJ |
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