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Catalog / GJ 34 / eta Cassiopei A

eta Cassiopei A

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eta Cassiopei A

GJ 34 A · GJ 34 · LHS 123 · recons:gj-34:a · Gaia DR3 425040000962559616
Distance
5.923 pc · 19.32 ly
Spectral type
G3 V (RECONS)
Teff
5726 K (Gaia GSP-Phot)
Magnitudes
V 3.46 · G 3.320 · BP−RP 0.887
Parallax
168.832 mas ± 0.166 (Gaia DR3)
Gaia source_id
425040000962559616
RECONS name
GJ 34 A
RECONSGaia DR3

Identity & provenance

Stable ID
gaia-dr3:425040000962559616
Primary name
eta Cassiopei A · RECONS common name
Common name
eta Cassiopei A
RECONS name
GJ 34 A
RECONS system
GJ 34 (rank #75)
Component
A
LHS
123
Gaia source_id
425040000962559616
Gaia designation
Gaia DR3 425040000962559616
Source catalogs
RECONS+Gaia DR3
Cross-match
matched (0.30″, 2 candidates)
Match note
ambiguous: 2 Gaia candidates within 30 arcsec; resolved by brightness rank / separation; contested: Gaia source was a candidate for 2 RECONS components

Position

RA
12.28523 ° · Gaia DR3
Dec
57.81273 ° · Gaia DR3
Reference epoch
J2016
Galactic l, b
122.62483 °, -5.05765 °
XYZ (equatorial)
3.083, 0.671, 5.013 pc
Proper motion
1078.61, -551.13 mas/yr · Gaia DR3
Radial velocity
unknown

Distance

Distance
5.923 pc · 19.32 ly · inverse parallax
Parallax (adopted)
168.8322 mas ± 0.1663 · Gaia DR3
Parallax (RECONS)
168.23 mas
Parallax (Gaia DR3)
168.8322 mas
RECONS vs Gaia
0.36 %

Photometry & astrophysics

Spectral type
G3 V · RECONS
V
3.46
M_V (RECONS)
4.59
G / BP / RP
3.320 / 3.736 / 2.849
BP − RP
0.887
Teff (GSP-Phot)
5726 K
log g / [M/H]
4.31 / -0.97
Mass
1.110 M☉
RUWE
3.12
Non-single star
0
Variability flag
NOT_AVAILABLE
Planets
0

Render parameters (star_params)

Teff
5726 K · Gaia GSP-Phot
Absolute mag
4.457 (G)
Bolometric corr.
0.057
Luminosity
1.231 L☉
Radius
1.128 R☉ · Gaia G + parallax + BC_G (Andrae 2018)
Disk radius
0.6273
Limb darkening u1, u2
0.4714, 0.2302
Granulation amp / freq
0.0601 / 13.844
Variability
none
Seed
269988246