All names: NLTT 28772, WDS J11515+5412B, ** LDS 1272B, 2MASS J11512393+5411486, 1148+544, Gaia DR2 840622479622035712, Gaia DR3 840622479622035712, Gaia EDR3 840622479622035712, SDSS J115123.94+541147.7, LP 129-587, WD 1148+542, J1151+5411, WD 1148+54, TIC 137829897, WDJ115123.99+541147.78, G 197-35, USNO-B1.0 1441-00215500, SDSS J115123.93+541147.7, EGGR 435, SDSS J115123.93+541147.6, WD 1148+544, LSPM J1151+5411N
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Leggett et al. 2018 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Tremblay et al. 2011 | Kawka et Vennes 2006 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 51 23.48 (0.03) | 11 51 23.93 | 11 51 23.50 (0.04) | 11 51 23.48 | 11 51 23.99 (0.03) | 11 51 23.50 | 11 51 23.93 | 11 51 24.77 | 11 51 23.94 | ||||||||||||
| Declination | 54 11 47.28 (0.03) | 54 11 47.69 | 54 11 47.30 (0.05) | 54 11 47.28 | 54 11 47.78 (0.04) | 54 11 47.30 | 54 11 47.72 | 54 11 48.84 | 54 11 47.71 | ||||||||||||
| Spectral type | DA | DA | DA | DA5.1 | DA | DA | DA | DA | DA | DA5.1 | DA | DA_auto | DA5 | DA | DA | ||||||
| Effective temperature | [K] | 9536.0 (41) | 9755.0 (41) | 9536.0 (41) | 9793.0 (282) | 9526.0 | 9970.0 (148) | 9780.0 (30) | 9780.0 (70) | 9563.0 (69) | 9758.0 (25) | 9582.0 (26) | |||||||||
| log(g) | [cgs] | 7.96 (0.008) | 8.01 (0.009) | 7.95 (0.008) | 8.02 (0.06) | 7.95 | 8.22 (0.06) | 8.27 (0.04) | 8.14 (0.06) | 7.97 (0.01) | 8.25 (0.03) | 8.12 (0.03) | |||||||||
| Mass | [M☉] | 0.576 (0.007) | 0.604 (0.007) | 0.572 (0.007) | 0.609 (0.05) | 0.571 | 0.74 (0.04) | 0.77 (0.03) | 0.68 (0.04) | 0.583 (0.01) | 0.667 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||||||
| Cooling age | [Gyr] | 0.6800 | 0.6510 (0.07) | 0.6419 | 0.9550 | ||||||||||||||||
| 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] | 13.02 (0.05) | 12.96 (0.07) | 13.38 (0.6) | 12.96 (0.07) | 13.02 | 13.02 (0.05) | 12.96 (0.07) | 2.40 (8) | ||||||||||||
| Distance | [pc] | 76.81 (0.3) | 77.16 (0.4) | 74.74 (4) | 77.15 (0.4) | 69.00 | 68.00 | 76.81 | 76.80 (0.3) | 77.15 (0.4) | 416.67 (1389) | ||||||||||
| Composition | H | H | H | H | H | ||||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -280.5535209 (0.04) | -280.4700914 (0.1) | -280.554 (0.04) | -280.47 | -274.8 | |||||||||||||||
| Proper motion (declination) | [mas/yr] | -31.24277078 (0.05) | -31.14661774 (0.1) | -31.243 (0.05) | -31.147 | -37.3 | |||||||||||||||
| Variability | |||||||||||||||||||||
| Magnetic | |||||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||||
| Binarity | |||||||||||||||||||||
| B magnitude | 16.80 | ||||||||||||||||||||
| V magnitude | |||||||||||||||||||||
| R magnitude | 16.40 | ||||||||||||||||||||
| I magnitude | |||||||||||||||||||||
| J magnitude | 16.63 (0.01) | 16.51 (0.1) | |||||||||||||||||||
| H magnitude | 16.31 (0.2) | 16.33 (0.2) | |||||||||||||||||||
| K magnitude | |||||||||||||||||||||
| u magnitude | 17.15 (0.009) | 17.15 (0.009) | 17.15 (0.009) | 17.15 (0.009) | 17.16 (0.02) | 0.44 | 17.16 (0.02) | ||||||||||||||
| g magnitude | 16.70 (0.004) | 16.70 (0.004) | 16.70 (0.004) | 16.73 (0.02) | 16.71 (0.02) | ||||||||||||||||
| r magnitude | 16.77 (0.005) | 16.77 (0.005) | 16.77 (0.005) | 16.77 (0.01) | 16.75 (0.01) | ||||||||||||||||
| i magnitude | 16.89 (0.005) | 16.89 (0.005) | 16.89 (0.005) | 16.88 (0.02) | 16.87 (0.02) | ||||||||||||||||
| z magnitude | 17.05 (0.01) | 17.05 (0.01) | 17.05 (0.01) | 17.03 (0.02) | 17.03 (0.02) | ||||||||||||||||
| G magnitude | 16.70 (0.004) | 16.73 | 16.70 | 16.70 (0.003) | 16.73 | ||||||||||||||||
| BP magnitude | 16.77 (0.004) | 16.76 | 16.76 | ||||||||||||||||||
| RP magnitude | 16.59 (0.004) | 16.59 | 16.59 | ||||||||||||||||||
| Pan g magnitude | 16.72 (0.003) | 16.72 (0.003) | |||||||||||||||||||
| Pan r magnitude | 16.78 (0.003) | 16.78 (0.003) | |||||||||||||||||||
| Pan i magnitude | 16.90 (0.002) | 16.90 (0.002) | |||||||||||||||||||
| Pan z magnitude | 17.05 (0.004) | 17.05 (0.003) | |||||||||||||||||||
| Pan y magnitude | 17.14 (0.008) | 17.14 (0.008) | |||||||||||||||||||
| E(B-V) | 0.005 | ||||||||||||||||||||
* 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.