All names: SDSS J083037.62+405110.51, TIC 307864083, 2MASS J08303762+4051116, SDSS J083037.62+405110.5, WD 0827+410, GALEX J083037.6+405111, Gaia DR3 914867861280728704, SDSS J083037.62+405111.2, SDSS J083037.61+405110.5, Gaia DR2 914867861280728704, Gaia EDR3 914867861280728704, KUV 08273+4101
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 08 30 37.62 (0.05) | 08 30 37.62 | 08 30 37.62 | 08 30 37.62 (0.07) | 08 30 37.62 | 08 30 37.63 (0.05) | 08 30 37.87 | |||||||
Declination | 40 51 10.02 (0.02) | 40 51 11.27 | 40 51 11.27 | 40 51 10.06 (0.04) | 40 51 10.02 | 40 51 11.45 (0.02) | 40 51 11.52 | |||||||
Spectral type | DA | DA | DA | DA | DA3.2 | DA | DA | |||||||
Effective temperature | [K] | 12550.0 | 16716.0 (51) | 15930.0 (274) | 15009.0 (143) | |||||||||
log(g) | [cgs] | 7.50 | 7.96 (0.01) | 7.90 (0.05) | 7.74 (0.01) | |||||||||
Mass | [M☉] | 0.367 | 0.595 (0.005) | 0.56 (0.03) | 0.474 (0.007) | |||||||||
log(Luminosity) | [L☉] | |||||||||||||
Cooling age | [Gyr] | 0.1823 | ||||||||||||
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] | 9.87 (0.06) | 9.76 (0.09) | 9.87 | 9.87 (0.06) | |||||||||
Distance | [pc] | 101.28 (0.6) | 102.48 (1) | 95.00 | 101.28 | 101.28 (0.6) | ||||||||
Composition | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -8.875565188 (0.05) | -9.012352302 (0.1) | -8.876 (0.06) | ||||||||||
Proper motion (declination) | [mas/yr] | -89.50392222 (0.04) | -89.40672028 (0.08) | -89.504 (0.04) | ||||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | ||||||||||||||
B magnitude | ||||||||||||||
V magnitude | 15.92 | |||||||||||||
R magnitude | ||||||||||||||
I magnitude | ||||||||||||||
J magnitude | 16.12 (0.09) | |||||||||||||
H magnitude | 16.02 (0.2) | |||||||||||||
K magnitude | ||||||||||||||
u magnitude | 16.19 (0.006) | 16.19 (0.006) | 16.21 (0.01) | 16.19 (0.006) | 16.18 | |||||||||
g magnitude | 15.87 (0.003) | 15.87 (0.003) | 15.87 (0.02) | 15.87 (0.003) | 15.91 | |||||||||
r magnitude | 16.14 (0.004) | 16.14 (0.004) | 16.16 (0.03) | 16.14 (0.004) | 16.13 | |||||||||
i magnitude | 16.37 (0.004) | 16.37 (0.004) | 16.36 (0.02) | 16.37 (0.004) | 16.35 | |||||||||
z magnitude | 16.61 (0.01) | 16.61 (0.01) | 16.61 (0.02) | 16.61 (0.01) | 16.60 | |||||||||
G magnitude | 15.99 (0.002) | 16.01 | 15.99 | 15.99 (0.003) | ||||||||||
BP magnitude | 15.97 (0.002) | 15.95 | ||||||||||||
RP magnitude | 16.06 (0.004) | 16.05 | ||||||||||||
Pan g magnitude | 15.89 (0.004) | |||||||||||||
Pan r magnitude | 16.13 (0.002) | |||||||||||||
Pan i magnitude | 16.37 (0.002) | |||||||||||||
Pan z magnitude | 16.59 (0.004) | |||||||||||||
Pan y magnitude | 16.73 (0.01) | |||||||||||||
E(B-V) | 0.003 |
* 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.