WD 0041+006

All names: USNO-A2.0 0900-00171408, GALEX J004345.7+005549, SDSS J004345.80+005550.0, SDSS J004345.80+005549.9, Gaia EDR3 2549166547349010560, SDSS J004345.79+005549.8, Gaia DR3 2549166547349010560, Gaia DR2 2549166547349010560, WD 0041+006, SDSS J004345.78+005549.9, SDSS J004345.79+005549.9

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Castanheira et al. 2010 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 00 43 45.74 (0.2) 00 43 45.79 00 43 45.75 (0.3) 00 43 45.74 00 43 45.81 (0.2) 00 43 45.79 00 43 44.93 00 43 45.80 00 43 45.80
Declination 00 55 49.30 (0.1) 00 55 49.89 00 55 49.33 (0.2) 00 55 49.30 00 55 50.12 (0.1) 00 55 49.99 00 55 49.08 00 55 49.98 00 55 49.98
Spectral type DA DA DA DA DA DA4.2 DA DA
Effective temperature [K] 11307.0 12380.0 (330) 12130.0 11809.0 (501) 11817.0 (188) 11935.0 (229) 11935.0 (212)
log(g) [cgs] 7.93 8.18 (0.09) 8.14 8.00 (0.08) 7.94 (0.1) 7.99 (0.1) 7.94 (0.1)
Mass [M] 0.562 0.72 (0.06) 0.606 (0.07) 0.6 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.3979 0.4786
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] 3.99 (0.3) 3.94 (0.3) 3.99 3.99 (0.3)
Distance [pc] 250.33 (16) 253.92 (22) 250.33 250.33 (16)
Composition H H
Proper motion (right ascension) [mas/yr] -57.01633052 (0.3) -56.78081035 (0.7) -57.016 (0.3) -54.5 -54.0
Proper motion (declination) [mas/yr] -51.30142775 (0.3) -51.25779434 (0.4) -51.301 (0.3) -58.6 -57.0
Variability VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.00 (0.3)
V magnitude 18.70
R magnitude 18.70 (0.3)
I magnitude
J magnitude 18.81 (0.09)
H magnitude
K magnitude
u magnitude 19.09 (0.02) 19.09 (0.02) 19.23 (0.04) 19.21 19.18 (0.04) 19.21 (0.04)
g magnitude 18.67 (0.008) 18.67 (0.008) 18.74 (0.02) 18.73 18.72 (0.02) 18.73 (0.03)
r magnitude 18.83 (0.01) 18.83 (0.01) 18.85 (0.02) 18.86 18.83 (0.02) 18.86 (0.02)
i magnitude 19.01 (0.01) 19.01 (0.01) 19.05 (0.02) 19.07 19.02 (0.02) 19.07 (0.02)
z magnitude 19.22 (0.05) 19.22 (0.05) 19.29 (0.07) 19.29 19.27 (0.07) 19.29 (0.07)
G magnitude 18.75 (0.02) 18.78 18.75 18.75 (0.003)
BP magnitude 18.78 (0.02) 18.75
RP magnitude 18.77 (0.03) 18.69
Pan g magnitude 18.68 (0.009)
Pan r magnitude 18.83 (0.007)
Pan i magnitude 19.06 (0.02)
Pan z magnitude 19.23 (0.02)
Pan y magnitude 19.37 (0.06)
E(B-V) 0.020
Period #1 [s] 258.2
Amplitude #1 [mma] 6.7

* 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.