All names: SDSS J094913.37+032254.6, Gaia DR2 3847940605842239744, Gaia DR3 3847940605842239744, Gaia EDR3 3847940605842239744, SDSS J094913.36+032254.5, GALEX J094913.4+032255, SDSS J094913.37+032254.5, WIRED J094913.37+032254.5, WD 0946+036, SBC9 3365, [HHD2009] SDSS J0949+0322, [SGR2010] J0949+0322, LAMOST J094913.36+032254.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 49 13.31 (0.3) | 09 49 13.37 | 09 49 13.37 | 09 49 13.37 (0.3) | 09 49 13.37 | 09 49 12.96 | 09 49 13.37 | ||||
| Declination | 03 22 54.55 (0.4) | 03 22 54.56 | 03 22 54.52 | 03 22 54.56 (0.4) | 03 22 54.56 | 03 22 47.64 | 03 22 54.54 | ||||
| Spectral type | DA+M | DA | DA+dMe | DA+M | DA dM | DA+M | |||||
| Effective temperature | [K] | 18542.0 (737) | 18520.0 (790) | 6877.0 (154) | 6808.0 (85) | ||||||
| log(g) | [cgs] | 7.79 (0.2) | 7.83 (0.1) | 5.09 (0.2) | 5.03 (0.05) | ||||||
| Mass | [M☉] | 0.51 (0.08) | 0.53 (0.07) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0794 | |||||||||
| 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] | 1.89 (0.2) | 1.89 (0.2) | ||||||||
| Distance | [pc] | 527.75 (60) | 856.00 (71) | 527.76 (60) | |||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -52.59784177 (0.3) | -52.598 (0.3) | -46.1 | |||||||
| Proper motion (declination) | [mas/yr] | -0.497316553 (0.3) | -0.497 (0.3) | 0.3 | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | 15.84 (0.02) | ||||||||||
| K magnitude | 15.53 (0.02) | ||||||||||
| u magnitude | 19.28 (0.02) | 19.30 | 19.28 (0.03) | 19.30 (0.03) | 19.30 | 19.28 (0.03) | |||||
| g magnitude | 18.99 (0.009) | 18.99 | 18.99 (0.009) | 18.99 (0.02) | 18.99 | 18.99 (0.02) | |||||
| r magnitude | 18.95 (0.01) | 18.95 | 18.96 (0.01) | 18.95 (0.02) | 18.95 | 18.93 (0.02) | |||||
| i magnitude | 18.30 (0.009) | 18.31 | 18.31 (0.008) | 18.31 (0.02) | 18.31 | 18.31 (0.02) | |||||
| z magnitude | 17.64 (0.01) | 17.64 | 17.64 (0.01) | 17.64 (0.02) | 17.64 | 17.63 (0.02) | |||||
| G magnitude | 18.58 (0.02) | 18.58 (0.003) | |||||||||
| BP magnitude | 19.07 (0.02) | ||||||||||
| RP magnitude | 17.82 (0.01) | ||||||||||
| Pan g magnitude | 19.01 (0.01) | ||||||||||
| Pan r magnitude | 18.95 (0.01) | ||||||||||
| Pan i magnitude | 18.30 (0.01) | ||||||||||
| Pan z magnitude | 17.76 (0.01) | ||||||||||
| Pan y magnitude | 17.51 (0.01) | ||||||||||
| 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.