The TOI-1749 System
TOI-1749 is a planetary system in the constellation Draco hosting 3 confirmed exoplanets, about 325 light-years from Earth.
Size Comparison: The Planets of TOI-1749
TOI-1749: Star and Habitable Zone
TOI-1749
- Spectral type
- M0 V
- Surface temperature
- 3,985 K (Sun: 5,772 K)
- Mass
- 0.58 M☉
- Radius
- 0.55 R☉
- Age
- 0.8 billion years (Sun: 4.6)
Habitable zone of TOI-1749: 0.212–0.538 AU (conservative: 0.269–0.510 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
See the full interactive habitable-zone view in the Exoplanet Explorer app ›
All 3 Planets in the TOI-1749 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-1749 b | Super Earth | 2.4 d | 1.39 R⊕ | 0.30 | 2021 |
| TOI-1749 c | Super Earth | 4.5 d | 2.12 R⊕ | 0.28 | 2021 |
| TOI-1749 d | Super Earth | 9.0 d | 2.52 R⊕ | 0.32 | 2021 |
Discovery History
The first planet found here, TOI-1749 b, was discovered in 2021 using the transit method.
- 2021 — TOI-1749 b (Transit)
- 2021 — TOI-1749 c (Transit)
- 2021 — TOI-1749 d (Transit)
Frequently Asked Questions About TOI-1749
How many planets does TOI-1749 have?
TOI-1749 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-1749 system habitable?
None of the known planets in TOI-1749 orbit within the star's habitable zone.
How far away is TOI-1749?
TOI-1749 is about 325 light-years from Earth in the constellation Draco.
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