Gaia DR2 279056600887092736

All names: Gaia DR3 279056600887092736, Gaia DR2 279056600887092736, WDJ044041.55+590959.18, SDSS J044041.58+590958.3, LSPM J0440+5910, Gaia EDR3 279056600887092736, SDSS J044041.58+590958.4, USNO-B1.0 1491-00141542, WDJ044041.55+590959.19

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 04 40 41.63 (0.2) 04 40 41.63 04 40 41.63 04 40 41.55 (0.2) 04 40 41.63
Declination 59 09 56.42 (0.2) 59 09 56.51 59 09 56.42 59 09 59.20 (0.2) 59 09 56.51
Spectral type DZA DA DA
Effective temperature [K] 5502.0 (38) 5535.0 5248.0 5627.0 (104)
log(g) [cgs] 8.10 (0.02) 8.09 7.90 8.13 (0.04)
Mass [M] 0.629 (0.02) 0.637 0.51 0.667 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 3.7930 4.0030
log(H/He) -1.0
log(C/He)
log(Ca/He) -10.41
log(Ca/H)
Parallax [mas] 14.04 (0.2) 14.06 (0.3) 14.04 14.04 (0.2) 14.06 (0.3)
Distance [pc] 71.25 (1) 71.14 (2) 71.25 71.25 (1) 71.14 (2)
Composition
Proper motion (right ascension) [mas/yr] 39.36484523 (0.3) 38.66183165 (0.5) 39.365 (0.3) 38.66183165
Proper motion (declination) [mas/yr] -173.5472755 (0.2) -172.9178034 (0.4) -173.547 (0.2) -172.9178034
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.20
V magnitude
R magnitude 18.50
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.47 (0.06) 20.46 (0.07)
g magnitude 19.24 (0.01) 19.23 (0.01)
r magnitude 18.73 (0.009) 18.74 (0.01)
i magnitude 18.57 (0.01) 18.55 (0.01)
z magnitude 18.56 (0.03) 18.48 (0.03)
G magnitude 18.75 (0.03) 18.77 18.75 18.75 (0.004) 18.77
BP magnitude 19.19 (0.03) 19.27 19.27
RP magnitude 18.25 (0.02) 18.25 18.25
Pan g magnitude 19.16 (0.02)
Pan r magnitude 18.75 (0.006)
Pan i magnitude 18.57 (0.005)
Pan z magnitude 18.52 (0.01)
Pan y magnitude 18.47 (0.02)
E(B-V) 0.002

* 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.