LB 889

All names: 2MASS J15433426-1334199, LB 889, Gaia DR3 6266864370183332096, TIC 71803503, Gaia DR2 6266864370183332096, EC 15407-1324, GALEX J154334.3-133419, EC15407-1324

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 15 43 34.20 15 43 34.26 (0.05)
Declination -13 34 19.99 -13 34 20.01 (0.04)
Spectral type sdB sdB
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.40 (0.08) 0.44 (0.06)
Distance [pc] 2469.75 (505) 2259.89 (315)
Composition
Proper motion (right ascension) [mas/yr] -9.13 (0.2) -9.14 (0.07)
Proper motion (declination) [mas/yr] -6.762 (0.2) -7.55 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.19
V magnitude 16.19
R magnitude
I magnitude
J magnitude 15.44 (0.06) 15.44 (0.06)
H magnitude 15.03 (0.06) 15.03 (0.06)
K magnitude 14.76 (0.1) 14.76 (0.1)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.05 (0.001) 16.03 (0.003)
BP magnitude 16.05 (0.008)
RP magnitude 15.87 (0.004)
Pan g magnitude 16.08 (0.004)
Pan r magnitude 16.18 (0.004)
Pan i magnitude 16.24 (0.002)
Pan z magnitude 16.26 (0.01)
Pan y magnitude 16.23 (0.005)
E(B-V) 0.127

* 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.