All names: SDSS J153008.36+021542.8, SDSS J153008.34+021543.0, Gaia DR2 4421066161421235712, SDSS J153008.33+021543.0, SDSS J153008.34+021543.09, SDSS J153008.36+021542.9, WDS J15301+0216A, Gaia EDR3 4421066161421235712, Gaia DR3 4421066161421235712, SLW J1530+0215A, GALEX J153008.3+021543
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 30 08.32 (0.3) | 15 30 08.36 | 15 30 08.32 (0.5) | 15 30 08.36 (0.3) | ||||||
Declination | 02 15 43.06 (0.2) | 02 15 42.90 | 02 15 43.05 (0.4) | 02 15 42.82 (0.2) | ||||||
Spectral type | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 8929.0 | 9040.0 (44) | |||||||
log(g) | [cgs] | 8.25 | 7.91 (0.07) | |||||||
Mass | [M☉] | 0.755 | 0.55 (0.03) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 1.1640 | ||||||||
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] | 4.76 (0.3) | 5.54 (0.6) | 4.76 (0.3) | ||||||
Distance | [pc] | 209.91 (14) | 180.35 (18) | 209.91 (14) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -37.55603376 (0.3) | -37.34852194 (0.8) | -37.556 (0.3) | ||||||
Proper motion (declination) | [mas/yr] | 14.61976068 (0.3) | 14.70412171 (0.9) | 14.62 (0.3) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 19.78 (0.04) | 19.77 (0.04) | 19.78 (0.04) | |||||||
g magnitude | 19.27 (0.01) | 19.28 (0.02) | 19.27 (0.01) | |||||||
r magnitude | 19.27 (0.01) | 19.28 (0.02) | 19.27 (0.01) | |||||||
i magnitude | 19.34 (0.02) | 19.34 (0.02) | 19.34 (0.02) | |||||||
z magnitude | 19.46 (0.06) | 19.46 (0.07) | 19.46 (0.06) | |||||||
G magnitude | 19.22 (0.05) | 19.27 | 19.22 (0.004) | |||||||
BP magnitude | 19.27 (0.05) | 19.11 | ||||||||
RP magnitude | 19.15 (0.05) | 19.12 | ||||||||
Pan g magnitude | 19.27 (0.008) | |||||||||
Pan r magnitude | 19.29 (0.01) | |||||||||
Pan i magnitude | 19.38 (0.01) | |||||||||
Pan z magnitude | 19.51 (0.03) | |||||||||
Pan y magnitude | 19.46 (0.06) | |||||||||
E(B-V) | 0.035 |
* 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.