17h52m07s, +37° 32′46″| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Hercules |
| Right ascension | 17h52m 07.0184s[1] |
| Declination | +37° 32′ 46.237″[1] |
| Apparent magnitude (V) | 12.4 |
| Characteristics | |
| Spectral type | G |
| Apparent magnitude (B) | 13.114 ±0.009[2] |
| Apparent magnitude (V) | 12.402 ±0.006[2] |
| Apparent magnitude (I) | 11.603000 ±0.010[2] |
| Apparent magnitude (J) | 11.015 ±0.022[2] |
| Apparent magnitude (H) | 10.655000 ±0.030[2] |
| Apparent magnitude (K) | 10.608000 ±0.028[2] |
| Variable type | planetary transits[2][3] |
| Astrometry | |
| Proper motion (μ) | RA: −24.462(10) mas/yr[1] Dec.: 34.772(11) mas/yr[1] |
| Parallax (π) | 4.3106 ± 0.0091 mas[1] |
| Distance | 757 ± 2 ly (232.0 ± 0.5 pc) |
| Absolute magnitude (MV) | 5.39±0.11[4] |
| Details | |
| Mass | 0.928+0.028 −0.048[4] M☉ |
| Radius | 0.826±0.012[5] R☉ |
| Luminosity | 0.625+0.066 −0.058[4] L☉ |
| Surface gravity (log g) | 4.57±0.01[5] cgs |
| Temperature | 5650±75[4] K |
| Metallicity [Fe/H] | −0.19±0.08[4] dex |
| Rotational velocity (v sin i) | 1.5±1.0 km/s |
| Age | 0.9+2.8 −0.8[4] Gyr |
| Other designations | |
TrES-3 Parent Star, 1SWASP J175207.01+373246.3, UCAC2 45017453,[2] V1434 Her | |
| Database references | |
| SIMBAD | data |
GSC 03089-00929 is a magnitude12star located approximately 757 light-years away in the constellationofHercules. This star is a G type main sequence star that is similar to but slightly cooler than the Sun.[2] This star is identified in SIMBAD as a variable star per the 1SWASP survey.[6]
The star GSC 03089-00929 is named Pipoltr. The name was selected in the NameExoWorlds campaign by Liechtenstein, during the 100th anniversary of the IAU. In the local dialect of Triesenberg, Pipoltr is a bright and visible butterfly.[7][8]
In 2007 the TrES program found exoplanet TrES-3b, later named Umbäässa, orbiting this star by using the transit method.[9]
The transit timing variation analysis did not reveal any additional planets in the system as of 2020,[10] and the physical mechanism underlying transit timing variations remains unexplained as in 2022.[11]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| TrES-3b / Umbäässa | 1.910+0.075 −0.080 MJ |
0.02282+0.00023 −0.00040 |
1.30618652(4) | 0 (fixed) | 81.89±0.12° | 1.381±0.033 RJ |
|
| |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||
| Stars |
| ||||||||||||
| |||||||||||||
| |||||||||||||
| |||||||||||||
| Galaxies |
| ||||||||||||
| |||||||||||||
| |||||||||||||
 | This variable star–related article is a stub. You can help Wikipedia by expanding it. |
