All names: Gaia EDR3 1197139189352207232, USNO-B1.0 1067-00266519, SDSS J153548.51+164514.4, SDSS J153548.50+164514.5, SDSS J153548.50+164514.4, LSPM J1535+1645, J1535+1645, WDJ153548.55+164513.78, Gaia DR2 1197139189352207232, Gaia DR3 1197139189352207232
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 35 48.42 (0.2) | 15 35 48.42 | 15 35 48.42 | 15 35 48.55 (0.2) | 15 35 48.42 | ||||||||
Declination | 16 45 15.87 (0.2) | 16 45 15.81 | 16 45 15.87 | 16 45 13.77 (0.2) | 16 45 15.81 | ||||||||
Spectral type | DC | DC | DA | DC | DA | ||||||||
Effective temperature | [K] | 5112.0 (32) | 5114.0 (33) | 5171.0 | 4858.0 | 5128.0 (147) | |||||||
log(g) | [cgs] | 8.04 (0.02) | 8.02 (0.03) | 8.05 | 7.84 | 8.02 (0.07) | |||||||
Mass | [M☉] | 0.606 (0.02) | 0.593 (0.02) | 0.614 | 0.478 | 0.596 (0.06) | |||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 5.4600 | 5.4830 | 4.5980 | |||||||||
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] | 15.80 (0.3) | 15.58 (0.3) | 15.58 (0.3) | 15.80 | 15.80 (0.3) | 15.58 (0.3) | ||||||
Distance | [pc] | 63.27 (1) | 64.18 (1) | 64.17 (1) | 63.27 | 63.27 (1) | 64.17 (1) | ||||||
Composition | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -112.1447882 (0.2) | -112.6332859 (0.6) | -112.145 (0.2) | -112.6332859 | ||||||||
Proper motion (declination) | [mas/yr] | 131.0766175 (0.2) | 130.4527717 (0.7) | 131.077 (0.2) | 130.4527717 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | 19.60 | ||||||||||||
V magnitude | |||||||||||||
R magnitude | 18.70 | ||||||||||||
I magnitude | |||||||||||||
J magnitude | |||||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | 21.02 (0.08) | 21.06 (0.08) | 20.84 (0.08) | ||||||||||
g magnitude | 19.43 (0.01) | 19.44 (0.01) | |||||||||||
r magnitude | 18.77 (0.01) | 18.78 (0.01) | |||||||||||
i magnitude | 18.52 (0.01) | 18.54 (0.01) | |||||||||||
z magnitude | 18.46 (0.03) | 18.48 (0.03) | |||||||||||
G magnitude | 18.82 (0.09) | 18.85 | 18.82 | 18.82 (0.004) | 18.85 | ||||||||
BP magnitude | 19.21 (0.09) | 19.36 | 19.36 | ||||||||||
RP magnitude | 18.21 (0.02) | 18.23 | 18.23 | ||||||||||
Pan g magnitude | 19.33 (0.01) | 19.33 (0.01) | |||||||||||
Pan r magnitude | 18.79 (0.007) | 18.79 (0.005) | |||||||||||
Pan i magnitude | 18.55 (0.009) | 18.55 (0.008) | |||||||||||
Pan z magnitude | 18.45 (0.009) | 18.45 (0.01) | |||||||||||
Pan y magnitude | 18.47 (0.01) | 18.47 (0.01) | |||||||||||
E(B-V) | 0.007 |
* 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.