All names: GSC2 N133213010935, LAMOST J143641.76+284451.7, SDSS J143641.60+284451.50, EGGR 296, TON 210, WD 1434+28, TIC 157979698, PG 1434+289, SDSS J143641.60+284451.5, Gaia DR2 1281045124986474368, Gaia EDR3 1281045124986474368, GALEX J143641.7+284452, Ton 210, SDSS J143641.61+284451.3, Gaia DR3 1281045124986474368, uvby98 620020296, USNO-B1.0 1187-00222249, PB 3695, 2MASS J14364168+2844517, WD 1434+289
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Kepler et al. 2015 | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 14 36 41.59 (0.02) | 14 36 41.62 | 14 36 41.62 | 14 36 41.60 (0.03) | 14 36 41.59 | 14 36 41.63 (0.02) | 14 36 38.66 | ||||||||||
Declination | 28 44 51.55 (0.03) | 28 44 51.31 | 28 44 51.31 | 28 44 51.55 (0.04) | 28 44 51.55 | 28 44 51.27 (0.03) | 28 44 48.12 | ||||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA1.5 | DA2 | DA | ||||||||
Effective temperature | [K] | 33565.0 (129) | 27296.0 | 34651.0 (68) | 33410.0 (504) | 32800.0 (499) | 31647.0 (429) | ||||||||||
log(g) | [cgs] | 7.91 (0.03) | 7.71 | 8.17 (0.01) | 8.02 (0.06) | 8.00 (0.06) | 7.93 (0.01) | ||||||||||
Mass | [M☉] | 0.61 (0.01) | 0.499 | 0.733 (0.007) | 0.67 (0.03) | 0.65 (0.03) | 0.611 (0.01) | ||||||||||
log(Luminosity) | [L☉] | -0.63 (0.02) | -0.73 | ||||||||||||||
Cooling age | [Gyr] | 0.0062 (0.0001) | 0.0124 | 0.0085 | |||||||||||||
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] | 6.26 (0.04) | 6.20 (0.05) | 6.26 | 6.26 (0.04) | ||||||||||||
Distance | [pc] | 159.75 (1) | 161.40 (1) | 157.00 | 163.00 | 159.75 | 159.74 (1) | ||||||||||
Composition | H | H | H | ||||||||||||||
Proper motion (right ascension) | [mas/yr] | -28.30877088 (0.04) | -28.40283259 (0.08) | -28.309 (0.04) | |||||||||||||
Proper motion (declination) | [mas/yr] | 17.82073578 (0.04) | 17.73318289 (0.1) | 17.821 (0.04) | |||||||||||||
Variability | |||||||||||||||||
Magnetic | |||||||||||||||||
Bd | [MG] | ||||||||||||||||
Infrared excess (disk) | |||||||||||||||||
Binarity | |||||||||||||||||
B magnitude | 15.69 (0.4) | ||||||||||||||||
V magnitude | 15.80 | 14.80 | |||||||||||||||
R magnitude | 15.84 (0.4) | ||||||||||||||||
I magnitude | |||||||||||||||||
J magnitude | 16.51 (0.1) | ||||||||||||||||
H magnitude | 16.33 (0.2) | ||||||||||||||||
K magnitude | 15.92 (0.3) | ||||||||||||||||
u magnitude | 15.23 (0.004) | 15.23 (0.004) | 15.25 (0.01) | 15.23 (0.004) | |||||||||||||
g magnitude | 15.51 (0.003) | 15.51 (0.003) | 15.46 (0.03) | 15.51 (0.003) | |||||||||||||
r magnitude | 16.00 (0.004) | 16.00 (0.004) | 15.99 (0.01) | 16.00 (0.004) | |||||||||||||
i magnitude | 16.35 (0.004) | 16.35 (0.004) | 16.34 (0.01) | 16.35 (0.004) | |||||||||||||
z magnitude | 16.67 (0.009) | 16.67 (0.009) | 16.67 (0.02) | 16.67 (0.009) | |||||||||||||
G magnitude | 15.75 (0.002) | 15.76 | 15.75 | 15.75 (0.003) | |||||||||||||
BP magnitude | 15.61 (0.002) | 15.56 | |||||||||||||||
RP magnitude | 16.05 (0.003) | 16.03 | |||||||||||||||
Pan g magnitude | 15.58 (0.004) | ||||||||||||||||
Pan r magnitude | 16.00 (0.003) | ||||||||||||||||
Pan i magnitude | 16.35 (0.004) | ||||||||||||||||
Pan z magnitude | 16.63 (0.003) | ||||||||||||||||
Pan y magnitude | 16.84 (0.006) | ||||||||||||||||
E(B-V) | 0.016 |
* 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.