37 Gemini ( lat. 37 Geminorum ), she is also HD 50692 - a star in the constellation Gemini at a distance of about 56 St. years from Earth .
| 37 Gemini | |||
|---|---|---|---|
| Star | |||
| Observational data ( Age J2000 ) | |||
| Right ascension | |||
| Declination | |||
| Distance | |||
| Visible magnitude ( V ) | 5.74 | ||
| Constellation | Twins | ||
| Astrometry | |||
| Radial velocity ( R v ) | -11.3 km / s | ||
| Own movement (ΞΌ) | RA: -35.75 mas per year Dec: 25.14 mas per year | ||
| Parallax (Ο) | 57.89 Β± 0.9 mas | ||
| Absolute magnitude (V) | +4.54 | ||
| Specifications | |||
| Spectral class | G0 v | ||
| Color Index ( B - V ) | +0.57 | ||
| Color Index ( U - B ) | 0.02 | ||
| Variability | missing | ||
| physical characteristics | |||
| Weight | 1,1 M β | ||
| Radius | 1,03 R β | ||
| Age | 5.5β 10 9 years | ||
| Temperature | 6024 K | ||
| Rotation | <3 km / s | ||
| |||
| Database Information | |||
| SIMBAD | data | ||
| ARICNS | data | ||
Content
Features
According to the spectral class, the star belongs to the category of yellow dwarfs , to which our Sun belongs. In diameter and mass, the star slightly exceeds the Sun - 1.03 and 1.1, respectively. Her age is estimated at 5.5 billion years.
On September 3, 2001, a METI radio message was sent to the Gemini system 37 using a radar at the observatory located in Crimea [2] . This is one of the largest radars on the planet. The radio message will reach its goal in December 2057 .
Nearest star environment
The following star systems are located within 10 light years of 37 Gemini :
| Star | Spectral class | Distance, st. years old |
| LP 308-10 | DC9 / VII | 1.4 |
| BD + 30 1367a | K7-M0 V | 2.6 |
| BD + 30 1367 | K2-6 V | 3.6 |
| Ξ΄ Gemini | F0-2 V-IV /? / K3-6 V | 7.1 |
| BD + 29 1441 | G4 v | 7.4 |
| BD + 20 1426 | G0 v | 8.2 |
| L 1246-11 | MV | 9.0 |
| BD + 32 1561 | K2-8 V | 9.9 |
See also
- Yellow dwarf
- The list of stars of the constellation Gemini
- Analogs of the Sun
Notes
- β 1 2 3 4 5 Gaia Data Release 2 - 2018.
- β Transmission and the search for intelligent signals in the universe