The HAT-P-44 System
HAT-P-44 is a planetary system in the constellation Boötes hosting 2 confirmed exoplanets, about 1,135 light-years from Earth.
Size Comparison: The Planets of HAT-P-44
Planets without a measured radius are not shown.
HAT-P-44: Star and Habitable Zone
HAT-P-44
- Surface temperature
- 5,295 K (Sun: 5,772 K)
- Mass
- 0.94 M☉
- Radius
- 0.95 R☉
- Luminosity
- 0.6397 L☉
- Age
- 7.5 billion years (Sun: 4.6)
Habitable zone of HAT-P-44: 0.617–1.476 AU (conservative: 0.782–1.399 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 2 Planets in the HAT-P-44 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HAT-P-44 b | Hot Jupiter | 4.3 d | 13.92 R⊕ | 0.07 | 2014 |
| HAT-P-44 c | Cold Gas Giant | 872 d | — | 0.25 | 2014 |
Discovery History
The first planet found here, HAT-P-44 b, was discovered in 2014 using the transit method.
- 2014 — HAT-P-44 b (Transit)
- 2014 — HAT-P-44 c (Radial Velocity)
Frequently Asked Questions About HAT-P-44
How many planets does HAT-P-44 have?
HAT-P-44 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HAT-P-44 system habitable?
None of the known planets in HAT-P-44 orbit within the star's habitable zone.
How far away is HAT-P-44?
HAT-P-44 is about 1,135 light-years from Earth in the constellation Boötes.
Explore the HAT-P-44 system in the app
Browse, filter and compare 6,000+ exoplanets on iPhone, iPad and Apple Watch — with habitable-zone views, widgets and offline data.
