Living Person
HD_40307
is
As of April 16, 2026
18 years old
approximately!
Date of Birth
(2008 ) is
Rat
Year
* Calculated from Wikipedia data.
Accuracy is not guaranteed.
approx.Cosmic Age Calculator
Moon
approx. 245.7 years old
Mercury
approx. 76.3 years old
Venus
approx. 29.9 years old
Mars
approx. 9.8 years old
Jupiter
approx. 1.5 years old
Saturn
approx. 0.6 years old
* Calculated based on each planet's orbital period.
 Location of HD 40307 in the night sky. The star is marked within the red diamond below the word "Pictor". | |
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Pictor |
| Right ascension | 05 54 04.24050 |
| Declination | −60° 01′ 24.4930″ |
| Apparent magnitude (V) | 7.17 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | K2.5V |
| B−V color index | 0.93 |
| Astrometry | |
| Radial velocity (Rv) | 31.08±0.12 km/s |
| Proper motion (μ) | RA: −52.174±0.023 mas/yr Dec.: −60.059±0.025 mas/yr |
| Parallax (π) | 77.3261±0.0170 mas |
| Distance | 42.179 ± 0.009 ly (12.932 ± 0.003 pc) |
| Absolute magnitude (MV) | 6.57±0.01 |
| Details | |
| Mass | 0.75 −0.04 M☉ |
| Radius | 0.716±0.010 R☉ |
| Luminosity (bolometric) | 0.23 L☉ |
| Luminosity (visual, LV) | 0.20 L☉ |
| Surface gravity (log g) | 4.47±0.16 cgs |
| Temperature | 4,977±59 K |
| Metallicity [Fe/H] | −0.31±0.03 dex |
| Rotation | 31.8±6.7 d |
| Rotational velocity (v sin i) | 3 km/s |
| Age | 1.2 (≥ 0.2) Gyr |
| Other designations | |
| CD−60 1303, CPD−60 508, GC 7474, GJ 2046, HIP 27887, PPM 355061, SAO 249388, 2MASS J05540421-6001245. | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
| ARICNS | data |
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