All names: WIRED J155359.87+082131.3, SDSS J155359.88+082131.2, SDSS J155359.89+082131.2, Gaia DR3 4454399235105537280, GALEX J155359.8+082131, Gaia DR2 4454399235105537280, Gaia EDR3 4454399235105537280, SDSS J155359.87+082131.4, WD 1551+085, SDSS J155359.87+082131.3
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | 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 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 53 59.89 (0.06) | 15 53 59.87 | 15 53 59.89 (0.08) | 15 53 59.89 | 15 53 59.86 (0.06) | 15 53 59.87 | 15 53 59.35 | 15 53 59.87 | ||||||
Declination | 08 21 31.20 (0.05) | 08 21 31.38 | 08 21 31.20 (0.06) | 08 21 31.20 | 08 21 31.39 (0.05) | 08 21 31.38 | 08 21 29.88 | 08 21 31.38 | ||||||
Spectral type | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
Effective temperature | [K] | 15049.0 | 16830.0 (160) | 16054.0 (338) | 15904.0 (105) | 16519.0 (103) | ||||||||
log(g) | [cgs] | 8.24 | 8.30 (0.03) | 8.31 (0.02) | 8.20 (0.02) | 8.26 (0.02) | ||||||||
Mass | [M☉] | 0.761 | 0.8 (0.02) | 0.805 (0.02) | 0.763 (0.01) | |||||||||
log(Luminosity) | [L☉] | |||||||||||||
Cooling age | [Gyr] | 0.2870 | 0.2344 | |||||||||||
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] | 9.17 (0.07) | 9.13 (0.1) | 9.17 | 9.17 (0.07) | |||||||||
Distance | [pc] | 109.03 (0.9) | 109.59 (1) | 109.03 | 109.03 (0.9) | |||||||||
Composition | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 20.21263168 (0.07) | 19.87118123 (0.2) | 20.213 (0.07) | 22.5 | |||||||||
Proper motion (declination) | [mas/yr] | -11.86952465 (0.06) | -11.61653473 (0.1) | -11.87 (0.06) | -9.1 | |||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | ||||||||||||||
B magnitude | ||||||||||||||
V magnitude | ||||||||||||||
R magnitude | ||||||||||||||
I magnitude | ||||||||||||||
J magnitude | 17.25 (0.03) | |||||||||||||
H magnitude | 17.27 (0.04) | |||||||||||||
K magnitude | 17.25 (0.09) | |||||||||||||
u magnitude | 16.96 (0.008) | 16.96 (0.008) | 16.98 (0.02) | 16.98 | 16.98 (0.02) | |||||||||
g magnitude | 16.72 (0.004) | 16.73 (0.004) | 16.75 (0.01) | 16.75 | 16.76 (0.01) | |||||||||
r magnitude | 17.01 (0.005) | 17.01 (0.005) | 17.02 (0.01) | 17.01 | 17.02 (0.01) | |||||||||
i magnitude | 17.25 (0.006) | 17.25 (0.006) | 17.27 (0.02) | 17.26 | 17.27 (0.02) | |||||||||
z magnitude | 17.50 (0.01) | 17.50 (0.01) | 17.55 (0.03) | 17.54 | 17.57 (0.02) | |||||||||
G magnitude | 16.87 (0.004) | 16.89 | 16.87 | 16.87 (0.003) | ||||||||||
BP magnitude | 16.84 (0.004) | 16.83 | ||||||||||||
RP magnitude | 16.97 (0.01) | 16.97 | ||||||||||||
Pan g magnitude | 16.75 (0.004) | |||||||||||||
Pan r magnitude | 17.01 (0.003) | |||||||||||||
Pan i magnitude | 17.29 (0.004) | |||||||||||||
Pan z magnitude | 17.50 (0.005) | |||||||||||||
Pan y magnitude | 17.71 (0.02) | |||||||||||||
E(B-V) | 0.012 |
* 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.