All names: SDSS J103837.22+015058.5, SDSS J103837.21+015058.4, Gaia EDR3 3855785625601574784, WIRED J103837.22+015058.4, Gaia DR3 3855785625601574784, [HHD2009] SDSS J1038+0150, 2MASS J10383723+0150585, SDSS J103837.22+015058.4, WD 1036+021, LAMOST J103837.22+015058.4, GALEX J103837.2+015058, TIC 374273441, Gaia DR2 3855785625601574784
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 38 37.21 (0.1) | 10 38 37.23 | 10 38 37.21 (0.2) | 10 38 37.22 | 10 38 37.21 | 10 38 37.23 (0.1) | 10 38 37.23 | 10 38 36.55 | 10 38 37.22 | ||||||
| Declination | 01 50 58.48 (0.1) | 01 50 58.44 | 01 50 58.48 (0.2) | 01 50 58.42 | 01 50 58.48 | 01 50 58.52 (0.1) | 01 50 58.42 | 01 50 52.44 | 01 50 58.49 | ||||||
| Spectral type | DA | DA+M | DA | DA | DA+dM | DA+M | DA dM: | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 33798.0 (236) | 32222.0 (354) | 33360.0 (390) | 35368.0 (273) | 34332.0 (304) | |||||||||
| log(g) | [cgs] | 7.83 (0.04) | 7.93 (0.08) | 8.06 (0.09) | 7.65 (0.05) | 7.56 (0.05) | |||||||||
| Mass | [M☉] | 0.57 (0.02) | 0.62 (0.04) | 0.69 (0.05) | |||||||||||
| log(Luminosity) | [L☉] | -0.57 (0.03) | |||||||||||||
| Cooling age | [Gyr] | 0.0060 (0.0001) | 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] | 2.37 (0.1) | 2.36 (0.2) | 2.37 | 2.37 (0.1) | ||||||||||
| Distance | [pc] | 421.09 (22) | 424.09 (35) | 421.09 | 421.09 (22) | ||||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -19.26949635 (0.1) | -19.33697493 (0.2) | -19.269 (0.1) | -12.8 | ||||||||||
| Proper motion (declination) | [mas/yr] | -2.665310278 (0.1) | -2.877829821 (0.3) | -2.665 (0.1) | -4.0 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | WDMS | WDMS | WDMS | WDMS | |||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 16.20 (0.1) | ||||||||||||||
| H magnitude | 15.42 (0.01) | ||||||||||||||
| K magnitude | 14.94 (0.01) | ||||||||||||||
| u magnitude | 17.24 (0.009) | 17.25 | 17.24 (0.009) | 17.25 (0.01) | 17.25 | 17.23 (0.01) | |||||||||
| g magnitude | 17.46 (0.005) | 17.46 | 17.46 (0.005) | 17.46 (0.03) | 17.46 | 17.48 (0.03) | |||||||||
| r magnitude | 17.55 (0.006) | 17.54 | 17.55 (0.006) | 17.54 (0.02) | 17.54 | 17.54 (0.02) | |||||||||
| i magnitude | 17.42 (0.007) | 17.40 | 17.42 (0.007) | 17.40 (0.02) | 17.40 | 17.41 (0.02) | |||||||||
| z magnitude | 17.30 (0.02) | 17.27 | 17.30 (0.02) | 17.27 (0.02) | 17.27 | 17.29 (0.02) | |||||||||
| G magnitude | 17.38 (0.009) | 17.41 | 17.38 | 17.38 (0.003) | |||||||||||
| BP magnitude | 17.48 (0.009) | 17.46 | |||||||||||||
| RP magnitude | 17.08 (0.009) | 17.09 | |||||||||||||
| Pan g magnitude | 17.51 (0.005) | ||||||||||||||
| Pan r magnitude | 17.56 (0.006) | ||||||||||||||
| Pan i magnitude | 17.45 (0.004) | ||||||||||||||
| Pan z magnitude | 17.37 (0.004) | ||||||||||||||
| Pan y magnitude | 17.39 (0.008) | ||||||||||||||
| E(B-V) | 0.029 | ||||||||||||||
* 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.