Gaia DR2 68334308365794304

All names: Gaia DR2 68334308365794304, PSO J055.1220+24.4991, Gaia DR3 68334308365794304, LAMOSTJ034029.29+242956.9, LAMOST J034029.29+242956.9, WISE J034029.29+242957.1, 2MASS J03402929+2429569, UCAC4 573-008407

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 03 40 29.30 03 40 29.30 (0.06)
Declination 24 29 56.95 24 29 57.02 (0.05)
Spectral type sdB sdB
Effective temperature [K] 24486.0 (449)
log(g) [cgs] 5.55 (0.06)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.61 (0.1) 0.61 (0.06)
Distance [pc] 1639.34 (273) 1626.28 (165)
Composition
Proper motion (right ascension) [mas/yr] 0.219 (0.2) 0.457 (0.08)
Proper motion (declination) [mas/yr] -1.501 (0.1) -1.388 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude 16.40 (0.3)
I magnitude
J magnitude 16.67 (0.1) 16.67 (0.1)
H magnitude 16.26 (0.2) 16.26 (0.2)
K magnitude 15.87
u magnitude
g magnitude 16.51 (0.003)
r magnitude 16.64 (0.002)
i magnitude 16.80 (0.004)
z magnitude 16.95 (0.004)
G magnitude 16.55 (0.001) 16.53 (0.003)
BP magnitude 16.53 (0.007)
RP magnitude 16.47 (0.01)
Pan g magnitude 16.51 (0.003)
Pan r magnitude 16.64 (0.002)
Pan i magnitude 16.80 (0.004)
Pan z magnitude 16.95 (0.004)
Pan y magnitude 17.04 (0.008)
E(B-V) 0.145

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit




The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.