All names: Gaia DR2 631308378026893056, SDSS J092956.09+170836.8, Gaia DR3 631308378026893056, Gaia EDR3 631308378026893056, SDSS J092956.10+170836.8, SDSS J092956.10+170836.9, GALEX J092956.1+170836
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 09 29 56.10 (0.4) | 09 29 56.10 | 09 29 56.10 (0.6) | 09 29 56.09 (0.4) | 09 29 56.10 | |||||
Declination | 17 08 36.87 (0.3) | 17 08 36.87 | 17 08 36.87 (0.6) | 17 08 36.89 (0.3) | 17 08 36.90 | |||||
Spectral type | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 18132.0 | 26667.0 (663) | |||||||
log(g) | [cgs] | 7.38 | 7.83 (0.1) | |||||||
Mass | [M☉] | 0.348 | 0.557 (0.05) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.0530 | ||||||||
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] | 1.46 (0.5) | 1.19 (0.7) | 1.46 (0.5) | ||||||
Distance | [pc] | 683.79 (227) | 842.42 (487) | 683.81 (227) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | 3.952775835 (0.5) | 3.706654195 (1) | 3.953 (0.5) | ||||||
Proper motion (declination) | [mas/yr] | -1.242805785 (0.4) | -0.35667008 (1) | -1.243 (0.4) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 19.29 (0.02) | 19.29 (0.03) | 19.29 (0.03) | |||||||
g magnitude | 19.40 (0.01) | 19.40 (0.01) | 19.41 (0.02) | |||||||
r magnitude | 19.86 (0.02) | 19.86 (0.02) | 19.89 (0.03) | |||||||
i magnitude | 20.14 (0.03) | 20.14 (0.03) | 20.15 (0.03) | |||||||
z magnitude | 20.47 (0.1) | 20.47 (0.1) | 20.49 (0.2) | |||||||
G magnitude | 19.64 (0.05) | 19.70 | 19.64 (0.005) | |||||||
BP magnitude | 19.56 (0.05) | 19.56 | ||||||||
RP magnitude | 19.87 (0.1) | 19.81 | ||||||||
Pan g magnitude | 19.51 (0.01) | |||||||||
Pan r magnitude | 19.86 (0.01) | |||||||||
Pan i magnitude | 20.18 (0.02) | |||||||||
Pan z magnitude | 20.41 (0.06) | |||||||||
Pan y magnitude | 20.24 (0.2) | |||||||||
E(B-V) | 0.027 |
* 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.