All names: CBS 107, GALEX J093956.9+371026, KUV 09369+3724, USNO-B1.0 1271-00211991, SDSS J093956.90+371026.3, Gaia EDR3 799763528023185280, Gaia DR2 799763528023185280, SDSS J093956.90+371026.37, SDSS J093956.88+371026.5, Gaia DR3 799763528023185280, WD 0936+374
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 39 56.91 (0.1) | 09 39 56.88 | 09 39 56.88 | 09 39 56.91 (0.1) | 09 39 56.91 | 09 39 56.88 (0.1) | 09 39 57.22 | ||||||
| Declination | 37 10 26.16 (0.09) | 37 10 26.57 | 37 10 26.57 | 37 10 26.18 (0.1) | 37 10 26.16 | 37 10 26.66 (0.09) | 37 10 23.16 | ||||||
| Spectral type | DAB | DAB | DA: | DQ | DQ | DA | |||||||
| Effective temperature | [K] | 12486.0 | 12112.0 (188) | 16333.0 (593) | |||||||||
| log(g) | [cgs] | 8.70 | 8.72 (0.1) | 8.90 (0.03) | |||||||||
| Mass | [M☉] | 1.046 | 1.156 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.1460 | |||||||||||
| 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] | 8.93 (0.1) | 8.93 (0.2) | 8.93 | 8.93 (0.1) | ||||||||
| Distance | [pc] | 111.98 (2) | 112.01 (2) | 111.98 | 111.98 (2) | ||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 20.01055877 (0.1) | 20.0217664 (0.2) | 20.011 (0.1) | |||||||||
| Proper motion (declination) | [mas/yr] | -31.10844976 (0.1) | -31.19305345 (0.3) | -31.108 (0.1) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 17.40 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 18.10 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 17.81 (0.01) | 17.82 (0.01) | 17.81 (0.01) | 17.81 (0.01) | |||||||||
| g magnitude | 17.84 (0.005) | 17.85 (0.005) | 17.84 (0.01) | 17.84 (0.005) | |||||||||
| r magnitude | 18.10 (0.007) | 18.11 (0.007) | 18.10 (0.01) | 18.10 (0.007) | |||||||||
| i magnitude | 18.33 (0.01) | 18.34 (0.01) | 18.33 (0.01) | 18.33 (0.01) | |||||||||
| z magnitude | 18.58 (0.03) | 18.59 (0.03) | 18.58 (0.03) | 18.58 (0.04) | |||||||||
| G magnitude | 17.98 (0.01) | 18.01 | 17.98 | 17.98 (0.003) | |||||||||
| BP magnitude | 17.95 (0.01) | 17.90 | |||||||||||
| RP magnitude | 18.03 (0.03) | 18.01 | |||||||||||
| Pan g magnitude | 17.91 (0.005) | ||||||||||||
| Pan r magnitude | 18.13 (0.004) | ||||||||||||
| Pan i magnitude | 18.34 (0.004) | ||||||||||||
| Pan z magnitude | 18.53 (0.009) | ||||||||||||
| Pan y magnitude | 18.67 (0.02) | ||||||||||||
| E(B-V) | 0.004 | ||||||||||||
* 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.