All names: GALEX J124109.6+540754, WD 1238+544, Gaia DR3 1570797397030578048, SDSS J124109.50+540754.1, WDJ124109.49+540754.06, Gaia DR2 1570797397030134912, J1241+5407, SDSS J124109.49+540754.0, SDSS J124109.49+540754.1, Gaia EDR3 1570797397030578048
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Tremblay et al. 2011 | 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 | 12 41 09.58 (0.05) | 12 41 09.49 | 12 41 09.57 (0.06) | 12 41 09.58 | 12 41 09.49 (0.04) | 12 41 09.57 | 12 41 09.50 | 12 41 09.62 | 12 41 09.50 | ||||||||
| Declination | 54 07 53.96 (0.05) | 54 07 54.07 | 54 07 53.97 (0.06) | 54 07 53.96 | 54 07 54.06 (0.05) | 54 07 53.97 | 54 07 54.13 | 54 07 51.24 | 54 07 54.11 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||||
| Effective temperature | [K] | 9777.0 (54) | 9549.0 | 9476.0 | 9910.0 (50) | 9499.0 (111) | 9923.0 (35) | 9807.0 (42) | |||||||||
| log(g) | [cgs] | 8.04 (0.01) | 8.00 | 7.92 | 8.47 (0.06) | 8.00 (0.02) | 8.37 (0.04) | 8.29 (0.05) | |||||||||
| Mass | [M☉] | 0.626 (0.01) | 0.596 | 0.534 | 0.9 (0.04) | 0.598 (0.02) | 0.772 (0.03) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||
| Cooling age | [Gyr] | 0.7100 | 0.6758 | 0.6473 | 1.3804 | ||||||||||||
| 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] | 10.20 (0.07) | 10.07 (0.09) | 10.07 (0.09) | 10.20 | 10.20 (0.07) | 10.07 (0.09) | ||||||||||
| Distance | [pc] | 98.09 (0.6) | 99.30 (0.9) | 99.29 (0.8) | 98.09 | 98.09 (0.6) | 99.29 (0.8) | ||||||||||
| Composition | H | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 46.72149736 (0.06) | 46.73161756 (0.1) | 46.721 (0.06) | 46.732 | 51.0 | |||||||||||
| Proper motion (declination) | [mas/yr] | -5.696549714 (0.07) | -5.688307762 (0.1) | -5.697 (0.07) | -5.688 | -7.0 | |||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | |||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | |||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 17.21 (0.03) | ||||||||||||||||
| H magnitude | |||||||||||||||||
| K magnitude | |||||||||||||||||
| u magnitude | 17.72 (0.01) | 17.72 (0.01) | 17.72 (0.01) | 17.72 (0.01) | 17.70 (0.02) | 17.69 | 17.71 (0.02) | ||||||||||
| g magnitude | 17.29 (0.005) | 17.29 (0.005) | 17.29 (0.005) | 17.29 (0.02) | 17.28 | 17.30 (0.02) | |||||||||||
| r magnitude | 17.37 (0.005) | 17.38 (0.005) | 17.38 (0.005) | 17.37 (0.01) | 17.36 | 17.37 (0.01) | |||||||||||
| i magnitude | 17.49 (0.007) | 17.49 (0.007) | 17.49 (0.007) | 17.49 (0.02) | 17.48 | 17.49 (0.02) | |||||||||||
| z magnitude | 17.65 (0.02) | 17.65 (0.02) | 17.65 (0.02) | 17.62 (0.03) | 17.62 | 17.64 (0.03) | |||||||||||
| G magnitude | 17.31 (0.007) | 17.32 | 17.31 | 17.31 (0.003) | 17.32 | ||||||||||||
| BP magnitude | 17.37 (0.007) | 17.37 | 17.37 | ||||||||||||||
| RP magnitude | 17.19 (0.008) | 17.20 | 17.20 | ||||||||||||||
| Pan g magnitude | 17.33 (0.004) | 17.33 (0.004) | |||||||||||||||
| Pan r magnitude | 17.38 (0.004) | 17.38 (0.005) | |||||||||||||||
| Pan i magnitude | 17.49 (0.003) | 17.49 (0.003) | |||||||||||||||
| Pan z magnitude | 17.65 (0.004) | 17.65 (0.005) | |||||||||||||||
| Pan y magnitude | 17.76 (0.009) | 17.76 (0.008) | |||||||||||||||
| E(B-V) | 0.007 | ||||||||||||||||
* 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.