SDSS J144836.90+230955.5

All names: [BGK2006] J144836.90+230955.5, LAMOST J144836.89+230955.5, SDSSJ144836.90+230955.5, Gaia DR2 1265648801101878912, SDSS J144836.90+230955.5, GALEX J144836.9+230955, Gaia DR3 1265648801101878912

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 14 48 36.90 14 48 36.90 (0.05)
Declination 23 09 55.51 23 09 55.49 (0.06)
Spectral type sdB B8III
Effective temperature [K] 19207.0 (23)
log(g) [cgs] 4.81 (0.02)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.17 (0.1) 0.28 (0.08)
Distance [pc] 5730.66 (4164) 3570.15 (1013)
Composition
Proper motion (right ascension) [mas/yr] -8.458 (0.2) -8.229 (0.06)
Proper motion (declination) [mas/yr] 0.057 (0.2) -0.389 (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 17.29 (0.009) 17.29 (0.009)
g magnitude 17.01 (0.004) 17.01 (0.004)
r magnitude 17.38 (0.005) 17.38 (0.005)
i magnitude 17.66 (0.007) 17.66 (0.007)
z magnitude 17.86 (0.02) 17.86 (0.02)
G magnitude 17.25 (0.002) 17.22 (0.003)
BP magnitude 17.14 (0.01)
RP magnitude 17.35 (0.01)
Pan g magnitude 17.07 (0.004)
Pan r magnitude 17.40 (0.004)
Pan i magnitude 17.68 (0.006)
Pan z magnitude 17.89 (0.007)
Pan y magnitude 17.98 (0.01)
E(B-V) 0.031

* Constant surface field

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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.