All names: SDSS J154520.35+305010.2, Gaia EDR3 1369202451177126656, Gaia DR2 1369202451177126656, SDSS J154520.36+305010.2, SDSS J154520.36+305010.3, Gaia DR3 1369202451177126656, GALEX J154520.4+305010, WD 1543+309
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 45 20.31 (0.2) | 15 45 20.36 | 15 45 20.32 (0.2) | 15 45 20.37 (0.2) | 15 45 20.36 | 15 45 20.57 | 15 45 20.36 | |||||
Declination | 30 50 10.70 (0.2) | 30 50 10.26 | 30 50 10.68 (0.3) | 30 50 10.15 (0.2) | 30 50 10.28 | 30 50 04.92 | 30 50 10.28 | |||||
Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
Effective temperature | [K] | 10876.0 | 11072.0 (204) | 11092.0 (217) | ||||||||
log(g) | [cgs] | 8.22 | 8.08 (0.1) | 8.11 (0.1) | ||||||||
Mass | [M☉] | 0.742 | 0.665 (0.09) | |||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.6776 | ||||||||||
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] | 3.77 (0.3) | 3.59 (0.4) | 3.77 (0.3) | ||||||||
Distance | [pc] | 265.23 (18) | 278.23 (27) | 265.23 (18) | ||||||||
Composition | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -49.34964021 (0.2) | -49.0485985 (0.6) | -49.35 (0.2) | -52.8 | |||||||
Proper motion (declination) | [mas/yr] | 34.02455778 (0.3) | 34.5428159 (0.7) | 34.025 (0.3) | 30.1 | |||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | ||||||||||||
V magnitude | ||||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 19.91 (0.03) | 19.91 (0.03) | 19.90 (0.04) | 19.89 | 19.93 (0.04) | |||||||
g magnitude | 19.39 (0.01) | 19.39 (0.01) | 19.50 (0.02) | 19.50 | 19.50 (0.02) | |||||||
r magnitude | 19.59 (0.01) | 19.59 (0.01) | 19.58 (0.02) | 19.57 | 19.57 (0.02) | |||||||
i magnitude | 19.70 (0.02) | 19.70 (0.02) | 19.78 (0.02) | 19.77 | 19.77 (0.02) | |||||||
z magnitude | 19.87 (0.07) | 19.87 (0.07) | 19.86 (0.07) | 19.85 | 19.84 (0.07) | |||||||
G magnitude | 19.50 (0.03) | 19.54 | 19.50 (0.004) | |||||||||
BP magnitude | 19.63 (0.03) | 19.59 | ||||||||||
RP magnitude | 19.50 (0.08) | 19.40 | ||||||||||
Pan g magnitude | 19.43 (0.01) | |||||||||||
Pan r magnitude | 19.59 (0.006) | |||||||||||
Pan i magnitude | 19.75 (0.01) | |||||||||||
Pan z magnitude | 19.96 (0.05) | |||||||||||
Pan y magnitude | 20.01 (0.05) | |||||||||||
E(B-V) | 0.025 |
* 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.