All names: Gaia EDR3 2474288985158936960, 2MASS J00554779-0845069, SDSS J005547.78-084507.3, SDSS J005547.77-084507.2, GALEX J005547.7-084507, SDSS J005547.78-084507.2, WD 0053-090, Gaia DR3 2474288985158936960, Gaia DR2 2474288985158936960, TIC 408015814
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | 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 55 47.79 (0.06) | 00 55 47.78 | 00 55 47.79 (0.07) | 00 55 47.79 | 00 55 47.78 (0.06) | 00 55 47.78 | 00 55 46.30 | 00 55 47.78 | 00 55 47.78 | |||||||
Declination | -08 45 08.20 (0.03) | -08 45 07.24 | -08 45 08.17 (0.06) | -08 45 08.20 | -08 45 07.23 (0.03) | -08 45 07.24 | -08 45 03.96 | -08 45 07.29 | -08 45 07.27 | |||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA0.6 | DA | DA | |||||||
Effective temperature | [K] | 76903.0 (2514) | 22372.0 | 84430.0 (3270) | 47037.0 (2740) | 80769.0 (2071) | 71388.0 (1618) | 81159.0 (2091) | ||||||||
log(g) | [cgs] | 7.21 (0.08) | 6.15 | 7.14 (0.09) | 7.22 (0.3) | 7.37 (0.08) | 7.27 (0.07) | 7.39 (0.08) | ||||||||
Mass | [M☉] | 0.48 (0.02) | 0.124 | 0.52 (0.02) | 0.423 (0.5) | 0.514 (0.02) | ||||||||||
log(Luminosity) | [L☉] | 1.41 (0.09) | ||||||||||||||
Cooling age | [Gyr] | 0.0001 | 0.0001 | |||||||||||||
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] | 2.41 (0.07) | 2.18 (0.09) | 2.41 | 2.41 (0.07) | |||||||||||
Distance | [pc] | 415.43 (12) | 459.33 (19) | 415.43 | 415.42 (12) | |||||||||||
Composition | H | H | H | |||||||||||||
Proper motion (right ascension) | [mas/yr] | 7.258566151 (0.09) | 7.026012472 (0.2) | 7.259 (0.09) | 7.7 | 4.0 | ||||||||||
Proper motion (declination) | [mas/yr] | -60.91948396 (0.07) | -60.96977199 (0.1) | -60.919 (0.07) | -58.3 | -61.0 | ||||||||||
Variability | ||||||||||||||||
Magnetic | ||||||||||||||||
Bd | [MG] | |||||||||||||||
Infrared excess (disk) | ||||||||||||||||
Binarity | ||||||||||||||||
B magnitude | ||||||||||||||||
V magnitude | ||||||||||||||||
R magnitude | ||||||||||||||||
I magnitude | ||||||||||||||||
J magnitude | 16.72 (0.1) | |||||||||||||||
H magnitude | 16.90 (0.3) | |||||||||||||||
K magnitude | ||||||||||||||||
u magnitude | 15.54 (0.005) | 15.54 (0.005) | 15.49 (0.02) | 15.50 | 15.53 (0.02) | 15.50 (0.02) | ||||||||||
g magnitude | 15.84 (0.004) | 15.84 (0.004) | 15.85 (0.03) | 15.85 | 15.88 (0.03) | 15.85 (0.03) | ||||||||||
r magnitude | 16.26 (0.004) | 16.27 (0.004) | 16.25 (0.02) | 16.25 | 16.26 (0.02) | 16.25 (0.02) | ||||||||||
i magnitude | 16.59 (0.005) | 16.59 (0.005) | 16.57 (0.02) | 16.57 | 16.58 (0.02) | 16.57 (0.02) | ||||||||||
z magnitude | 16.87 (0.01) | 16.87 (0.01) | 16.86 (0.02) | 16.87 | 16.86 (0.02) | 16.87 (0.02) | ||||||||||
G magnitude | 16.01 (0.003) | 16.03 | 16.01 | 16.01 (0.003) | ||||||||||||
BP magnitude | 15.87 (0.003) | 15.81 | ||||||||||||||
RP magnitude | 16.27 (0.006) | 16.25 | ||||||||||||||
Pan g magnitude | 15.86 (0.002) | |||||||||||||||
Pan r magnitude | 16.25 (0.005) | |||||||||||||||
Pan i magnitude | 16.59 (0.002) | |||||||||||||||
Pan z magnitude | 16.84 (0.006) | |||||||||||||||
Pan y magnitude | 17.04 (0.009) | |||||||||||||||
E(B-V) | 0.029 |
* Constant surface field
Spectra without link are available upon request
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.