All names: Gaia EDR3 3940853397134158848, WD 1257+185, Gaia DR3 3940853397134158848, TIC 149565725, SDSS J130014.78+181734.5, WIRED J130014.77+181734.4, GALEX J130014.8+181734, SDSS J130014.77+181734.4, Gaia DR2 3940853397134158848, LAMOST J130014.77+181734.4, WDJ130014.82+181734.41, J1300+1817, SDSS J130014.78+181734.4, 2MASS J13001484+1817344, SDSS J130014.77+181734.3
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Sayres et al. 2012 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 13 00 14.70 (0.04) | 13 00 14.78 | 13 00 14.71 (0.06) | 13 00 14.84 | 13 00 14.70 | 13 00 14.82 (0.04) | 13 00 14.71 | 13 00 14.78 | |||||||||
Declination | 18 17 34.59 (0.03) | 18 17 34.46 | 18 17 34.58 (0.04) | 18 17 34.50 | 18 17 34.59 | 18 17 34.41 (0.03) | 18 17 34.58 | 18 17 34.42 | |||||||||
Spectral type | DA | DA | DA | DA5.5 | DA? | DA5.5 | DA | DA5.5 | DA | DA | DA | ||||||
Effective temperature | [K] | 9182.0 (62) | 9349.0 (55) | 9183.0 (62) | 9034.0 | 9630.0 (30) | 9521.0 (63) | 9484.0 (23) | |||||||||
log(g) | [cgs] | 7.53 (0.01) | 7.57 (0.01) | 7.54 (0.01) | 7.50 | 8.50 (0.03) | 7.61 (0.01) | 8.50 (0.03) | |||||||||
Mass | [M☉] | 0.363 (0.007) | 0.382 (0.007) | 0.366 (0.008) | 0.353 | 0.399 (0.008) | 0.905 (0.02) | ||||||||||
log(Luminosity) | [L☉] | ||||||||||||||||
Cooling age | [Gyr] | 0.4500 | 0.4645 | ||||||||||||||
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] | 11.88 (0.05) | 11.94 (0.07) | 11.94 (0.07) | 11.88 | 11.88 (0.05) | 11.94 (0.07) | ||||||||||
Distance | [pc] | 84.21 (0.4) | 83.75 (0.5) | 83.74 (0.5) | 65.40 | 84.21 | 84.20 (0.4) | 83.74 (0.5) | |||||||||
Composition | H | H | H | H | |||||||||||||
Proper motion (right ascension) | [mas/yr] | -101.3163539 (0.07) | -101.358625 (0.2) | -101.316 (0.07) | -101.359 | ||||||||||||
Proper motion (declination) | [mas/yr] | 11.38131852 (0.07) | 11.41877238 (0.1) | 11.381 (0.07) | 11.419 | ||||||||||||
Variability | |||||||||||||||||
Magnetic | |||||||||||||||||
Bd | [MG] | ||||||||||||||||
Infrared excess (disk) | |||||||||||||||||
Binarity | |||||||||||||||||
B magnitude | |||||||||||||||||
V magnitude | |||||||||||||||||
R magnitude | |||||||||||||||||
I magnitude | |||||||||||||||||
J magnitude | 16.26 (0.01) | 16.27 (0.1) | 16.27 (0.1) | ||||||||||||||
H magnitude | 16.01 (0.1) | 16.01 (0.1) | 16.01 (0.1) | ||||||||||||||
K magnitude | 16.11 (0.3) | 16.11 (0.3) | 16.11 (0.1) | ||||||||||||||
u magnitude | 16.92 (0.009) | 16.84 (0.008) | 16.91 (0.009) | 16.92 (0.009) | 16.92 (0.009) | 16.92 (0.02) | |||||||||||
g magnitude | 16.45 (0.004) | 16.45 (0.004) | 16.45 (0.004) | 16.45 (0.004) | 16.50 (0.02) | ||||||||||||
r magnitude | 16.52 (0.004) | (0.004) | 16.52 (0.004) | 16.52 (0.004) | 16.53 (0.01) | ||||||||||||
i magnitude | 16.59 (0.005) | 16.60 (0.005) | 16.59 (0.005) | 16.59 (0.005) | 16.59 (0.02) | ||||||||||||
z magnitude | 16.74 (0.01) | 16.75 (0.01) | 16.74 (0.01) | 16.74 (0.01) | 16.75 (0.02) | ||||||||||||
G magnitude | 16.44 (0.003) | 16.46 | 16.44 | 16.44 (0.003) | 16.46 | ||||||||||||
BP magnitude | 16.52 (0.003) | 16.51 | 16.51 | ||||||||||||||
RP magnitude | 16.31 (0.004) | 16.32 | 16.32 | ||||||||||||||
Pan g magnitude | 16.49 (0.005) | 16.49 (0.005) | |||||||||||||||
Pan r magnitude | 16.52 (0.003) | 16.52 (0.003) | |||||||||||||||
Pan i magnitude | 16.62 (0.005) | 16.62 (0.006) | |||||||||||||||
Pan z magnitude | 16.75 (0.006) | 16.75 (0.007) | |||||||||||||||
Pan y magnitude | 16.85 (0.01) | 16.85 (0.008) | |||||||||||||||
E(B-V) | 0.004 |
* 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.