All names: SDSS J100612.78+252833.6, SDSS J100612.78+252833.5, GALEX J100612.8+252834, Gaia DR2 738693830421281280, Gaia EDR3 738693830421281280, Gaia DR3 738693830421281280, SDSS J100612.77+252833.5
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 06 12.78 (0.7) | 10 06 12.78 | 10 06 12.78 (1) | 10 06 12.77 (0.7) | 10 06 12.78 | ||||
| Declination | 25 28 33.56 (0.7) | 25 28 33.54 | 25 28 33.56 (1) | 25 28 33.56 (0.7) | 25 28 33.56 | ||||
| Spectral type | DA | DA | DA | DA | |||||
| Effective temperature | [K] | 90976.0 (22149) | 75000.0 (8929) | ||||||
| log(g) | [cgs] | 7.63 (0.7) | 7.13 (0.6) | ||||||
| Mass | [M☉] | 0.64 (0.2) | 0.501 (0.09) | ||||||
| log(Luminosity) | [L☉] | 1.40 (0.7) | |||||||
| Cooling age | [Gyr] | 0.0002 (0.0002) | |||||||
| 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] | 1.19 (0.9) | 2.46 (1) | 1.19 (0.9) | |||||
| Distance | [pc] | 840.90 (668) | 406.36 (239) | 840.90 (668) | |||||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 0.934199819 (0.8) | 0.412093169 (2) | 0.934 (0.8) | |||||
| Proper motion (declination) | [mas/yr] | -0.385157417 (0.8) | 3.329569557 (2) | -0.385 (0.8) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 19.78 (0.03) | 19.86 (0.03) | 19.86 (0.03) | ||||||
| g magnitude | 20.08 (0.02) | 20.12 (0.03) | 20.12 (0.03) | ||||||
| r magnitude | 20.61 (0.03) | 20.60 (0.03) | 20.60 (0.03) | ||||||
| i magnitude | 20.97 (0.07) | 20.94 (0.06) | 20.94 (0.06) | ||||||
| z magnitude | 21.93 (0.6) | 21.72 (0.5) | 21.72 (0.5) | ||||||
| G magnitude | 20.35 (0.09) | 20.44 | 20.35 (0.008) | ||||||
| BP magnitude | 20.18 (0.09) | 20.17 | |||||||
| RP magnitude | 20.54 (0.1) | 20.57 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.020 | ||||||||
* 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.