Gaia DR2 850296219145725184

All names: SDSS J104036.95+543630.4, Gaia DR2 850296219145725184, Gaia DR3 850296219145725184, Gaia EDR3 850296219145725184, LP 128-16, LSPM J1040+5436, WDJ104036.99+543630.73, USNO-B1.0 1446-00206002, WDJ104036.99+543630.74, SDSS J104036.95+543630.5, NLTT 25003

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 10 40 36.65 (0.1) 10 40 36.66 10 40 36.65 10 40 36.99 (0.1) 10 40 36.66
Declination 54 36 29.31 (0.1) 54 36 29.36 54 36 29.31 54 36 30.74 (0.1) 54 36 29.36
Spectral type DA DA D
Effective temperature [K] 5889.0 (32) 5840.0 5580.0 5943.0 (93)
log(g) [cgs] 8.05 (0.02) 8.04 7.87 8.07 (0.04)
Mass [M] 0.619 (0.02) 0.608 0.494 0.633 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 2.6150 2.7160
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 13.13 (0.2) 13.16 (0.3) 13.13 13.13 (0.2) 13.16 (0.3)
Distance [pc] 76.13 (1) 75.97 (2) 76.13 76.13 (1) 75.97 (2)
Composition H
Proper motion (right ascension) [mas/yr] -187.2881465 (0.1) -187.2446768 (0.3) -187.288 (0.1) -187.2446768
Proper motion (declination) [mas/yr] -89.40147883 (0.2) -89.05805281 (0.5) -89.401 (0.2) -89.05805281
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.00
V magnitude
R magnitude 18.40
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.90 (0.04) 19.90 (0.04)
g magnitude 18.98 (0.009) 18.98 (0.009)
r magnitude 18.58 (0.009) 18.58 (0.009)
i magnitude 18.44 (0.01) 18.44 (0.01)
z magnitude 18.41 (0.03) 18.41 (0.03)
G magnitude 18.59 (0.03) 18.62 18.59 18.59 (0.003) 18.62
BP magnitude 18.94 (0.03) 18.90 18.90
RP magnitude 18.11 (0.02) 18.14 18.14
Pan g magnitude 18.94 (0.007)
Pan r magnitude 18.58 (0.01)
Pan i magnitude 18.44 (0.004)
Pan z magnitude 18.43 (0.008)
Pan y magnitude 18.40 (0.02)
E(B-V) 0.004

* 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.