star-search
Catalog / GJ 447 / Ross 128

Ross 128

Loading renderer…

Live GPU rendering of star.frag with the parameters below. Not to scale; disk size encodes radius.

Ross 128 offline portrait

Offline CPU portrait from the star-search CLI (bit-matched model). Show in 3D map →

Ross 128 portrait

Ross 128

GJ 447 · LHS 315 · recons:gj-447 · Gaia DR3 3796072592206250624
Distance
3.375 pc · 11.01 ly
Spectral type
M4.0 V (RECONS)
Teff
3093 K (Gaia GSP-Phot)
Magnitudes
V 11.16 · G 9.601 · BP−RP 3.033
Parallax
296.305 mas ± 0.030 (Gaia DR3)
Gaia source_id
3796072592206250624
RECONS name
GJ 447
RECONSGaia DR3

Identity & provenance

Stable ID
gaia-dr3:3796072592206250624
Primary name
Ross 128 · RECONS common name
Common name
Ross 128
RECONS name
GJ 447
RECONS system
GJ 447 (rank #11)
Component
—
LHS
315
Gaia source_id
3796072592206250624
Gaia designation
Gaia DR3 3796072592206250624
Source catalogs
RECONS+Gaia DR3
Cross-match
matched (0.34″, 1 candidates)
Match note
—

Position

RA
176.93769 ° · Gaia DR3
Dec
0.79912 ° · Gaia DR3
Reference epoch
J2016
Galactic l, b
270.15692 °, 59.55566 °
XYZ (equatorial)
-3.370, 0.180, 0.047 pc
Proper motion
607.30, -1223.03 mas/yr · Gaia DR3
Radial velocity
unknown

Distance

Distance
3.375 pc · 11.01 ly · inverse parallax
Parallax (adopted)
296.3053 mas ± 0.0302 · Gaia DR3
Parallax (RECONS)
298.14 mas
Parallax (Gaia DR3)
296.3053 mas
RECONS vs Gaia
0.62 %

Photometry & astrophysics

Spectral type
M4.0 V · RECONS
V
11.16
M_V (RECONS)
13.53
G / BP / RP
9.601 / 11.361 / 8.328
BP − RP
3.033
Teff (GSP-Phot)
3093 K
log g / [M/H]
5.06 / -0.20
Mass
0.160 M☉
RUWE
1.08
Non-single star
0
Variability flag
NOT_AVAILABLE
Planets
0

Render parameters (star_params)

Teff
3093 K · Gaia GSP-Phot
Absolute mag
11.960 (G)
Bolometric corr.
-1.062
Luminosity
0.003443 L☉
Radius
0.2043 R☉ · Gaia G + parallax + BC_G (Andrae 2018)
Disk radius
0.5234
Limb darkening u1, u2
0.5920, 0.2080
Granulation amp / freq
0.0695 / 16.069
Variability
none
Seed
3259739574