LAMOST J045345.50+133839.4

All names: LAMOST J045345.50+133839.4, LAMOSTJ045345.50+133839.4, Gaia DR2 3296530885947500928, SDSS J045345.50+133839.4, Gaia DR3 3296530885947500928, GALEX J045345.5+133839

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 04 53 45.51 04 53 45.51 (0.1)
Declination 13 38 39.49 13 38 39.51 (0.04)
Spectral type sdOB sdA
Effective temperature [K] 38059.0 (1181)
log(g) [cgs] 5.08 (0.2)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.33 (0.2) 0.24 (0.1)
Distance [pc] 3045.07 (1446) 4127.12 (1831)
Composition
Proper motion (right ascension) [mas/yr] 0.378 (0.2) 0.072 (0.1)
Proper motion (declination) [mas/yr] -0.697 (0.1) -0.632 (0.08)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.04 (0.02) 19.04 (0.02)
g magnitude 17.75 (0.006) 17.75 (0.006)
r magnitude 17.71 (0.006) 17.71 (0.006)
i magnitude 17.74 (0.008) 17.76 (0.008)
z magnitude 17.80 (0.02) 17.81 (0.02)
G magnitude 17.69 (0.001) 17.67 (0.003)
BP magnitude 17.83 (0.009)
RP magnitude 17.45 (0.009)
Pan g magnitude 17.77 (0.005)
Pan r magnitude 17.73 (0.007)
Pan i magnitude 17.78 (0.004)
Pan z magnitude 17.82 (0.004)
Pan y magnitude 17.78 (0.01)
E(B-V) 0.265

* 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.