Key parameters at a glance
- A radius of 16.03 Earth radii
- A mass of 299.08 Earth masses
- Surface gravity around 1.16 g
- An orbital period of 2.106 days
- Semi-major axis 0.0317 AU
- Equilibrium temperature 1,445 K (1172 °C)
- Distance from Earth 1,659.62 light-years
- Earth Similarity Index 0.078
- Travel time at Voyager 1 speed 29,267,374 years
HATS-34 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#158of 1771
top 8.9%
This planet
16.03R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | HATS-34 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 16.03 | 11.21 |
| Mass (M⊕) | 1.00 | 299.08 | 317.83 |
| Density (g/cm³) | 5.51 | 0.40 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.16 | 2.53 |
| Insolation (S⊕) | 1.00 | 691.84 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 299.078 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 355703913
Gaia DR2
Gaia DR2 4904523077718046720
Gaia DR3
Gaia DR3 4904523077718046720
System
HATS-34
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 2.11 Earth days (0.6% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.0317 AU.
Transit Fingerprint
Depth
1.214 %
Duration
1.555 h
Impact parameter b
0.937
Rp / R★
0.150000
Transit midpoint (BJD)
2,456,634.8573
Photometric dip
Transit produces a flux drop of 12,142 ppm lasting ≈ 1.56 h.
Extended Orbital Architecture
Planet / star radius ratio
0.150000
Semi-major axis / stellar radius
6.960
Impact parameter (b)
0.937
RV semi-amplitude (K)
152.000 m/s
Transit mid-time (BJD)
2,456,634.8573
Angular separation (arcsec)
0.06220
Eq. Temperature
1,445K
(1172 °C)
Insolation (S⊕)
691.84
Earth = 1.00
Earth Similarity (ESI)
0.078
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.
Detection Signatures
Transit photometry
A transit dip has been observed from at least one telescope.
Radial velocity
Stellar wobble has been measured spectroscopically.
Discovery Paper
Primary reference
De Val Borro et al. 2016Instrument
Apogee 4K CCD Sensor
Publication
2016-12
Observation locale
Ground
Discovery cohort
Planets confirmed in 2016 at HATSouth (12 shown).
Host System: HATS-34
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,380 K — cooler than the Sun (5,778 K)
Estimated Age
7.70 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.980 R☉
Stellar Mass
0.955 M☉
Metallicity [Fe/H]
0.25
Extended Stellar Properties
Surface gravity (log g)
4.435 dex
Stellar density
1.440 g/cm³
Systemic radial velocity
17.74 km/s
Rotational v·sin i
4.07 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 14 bands
Astrometric Data
Parallax
1.936 mas
Total Proper Motion
5.701 mas/yr
PM Right Ascension
2.89 mas/yr
PM Declination
4.91 mas/yr
Galactic Cartesian (pc)
x = 0.462 · y = 0.006 · z = -0.887
Equatorial (J2000)
RA 0.77449° · Dec -62.46932°
Galactic ℓ, b
312.355° · -53.766°
Ecliptic λ, β
323.097° · -54.694°
HTM-20 index
-2096188992
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