All names: NLTT 21482, GALEX J091948.9+011352, Gaia EDR3 3844209481853063296, LSPM J0919+0113, SDSS J091948.92+011353.0, WDJ091948.91+011353.19, J0919+0113, Gaia DR3 3844209481853063296, LP 607-29, SDSS J091948.91+011352.9, WD 0917+014, Gaia DR2 3844209481853063296, USNO-B1.0 0912-00178981
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 19 49.05 (0.1) | 09 19 49.05 (0.2) | 09 19 49.05 | 09 19 48.91 (0.1) | 09 19 49.05 | 09 19 48.74 | |||||||
| Declination | 01 13 50.06 (0.09) | 01 13 50.16 (0.1) | 01 13 50.06 | 01 13 53.19 (0.09) | 01 13 50.16 | 01 13 46.56 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA8.1 | ||||||
| Effective temperature | [K] | 6225.0 (28) | 6184.0 (25) | 6225.0 (29) | 6133.0 | 6234.0 (65) | |||||||
| log(g) | [cgs] | 8.11 (0.01) | 8.09 (0.02) | 8.11 (0.02) | 8.07 | 8.11 (0.02) | |||||||
| Mass | [M☉] | 0.654 (0.01) | 0.644 (0.01) | 0.655 (0.01) | 0.632 | 0.657 (0.02) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 2.5400 | 2.4920 | ||||||||||
| 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] | 16.13 (0.1) | 16.15 (0.2) | 16.15 (0.2) | 16.13 | 16.13 (0.1) | 16.15 (0.2) | ||||||
| Distance | [pc] | 62.01 (0.6) | 61.92 (0.8) | 61.94 (0.8) | 62.01 | 62.01 (0.6) | 61.94 (0.8) | ||||||
| Composition | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 134.4203597 (0.2) | 134.331815 (0.3) | 134.42 (0.2) | 134.331815 | ||||||||
| Proper motion (declination) | [mas/yr] | -195.5394285 (0.09) | -195.856207 (0.2) | -195.539 (0.09) | -195.856207 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.70 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 18.30 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.10 (0.02) | ||||||||||||
| H magnitude | 16.83 (0.02) | ||||||||||||
| K magnitude | 16.86 (0.05) | ||||||||||||
| u magnitude | 19.10 (0.02) | 19.07 (0.02) | 19.10 (0.04) | 18.94 | |||||||||
| g magnitude | 18.30 (0.007) | 18.25 (0.01) | 18.21 | ||||||||||
| r magnitude | 17.98 (0.007) | 17.98 (0.01) | 17.91 | ||||||||||
| i magnitude | 17.87 (0.008) | 17.90 (0.01) | 17.80 | ||||||||||
| z magnitude | 17.83 (0.02) | 17.81 (0.04) | 17.80 | ||||||||||
| G magnitude | 17.99 (0.01) | 18.01 | 17.99 | 17.99 (0.003) | 18.01 | ||||||||
| BP magnitude | 18.29 (0.01) | 18.28 | 18.28 | ||||||||||
| RP magnitude | 17.56 (0.01) | 17.53 | 17.53 | ||||||||||
| Pan g magnitude | 18.29 (0.003) | 18.29 (0.003) | |||||||||||
| Pan r magnitude | 18.00 (0.006) | 18.00 (0.006) | |||||||||||
| Pan i magnitude | 17.89 (0.006) | 17.89 (0.006) | |||||||||||
| Pan z magnitude | 17.87 (0.009) | 17.87 (0.009) | |||||||||||
| Pan y magnitude | 17.89 (0.02) | 17.89 (0.02) | |||||||||||
| E(B-V) | 0.001 | ||||||||||||
* 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.