All names: J1546+3751, PM J15460+3751, 2MASS J15460543+3751274, Gaia DR2 1376326912864142336, UCAC4 640-050717, TIC 316415931, WISEA J154605.38+375127.6, SDSS J154605.41+375127.5, HS 1544+3800, SDSS J154605.42+375127.6, WDJ154605.44+375127.50, 15460+3751, WISE J154605.38+375127.7, GALEX J154605.4+375127, Gaia EDR3 1376326912864142336, WD 1544+380, Gaia DR3 1376326912864142336
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Kilic et al. 2020 | McCleery et al. 2020 | Gaia DR2 | Stilism | Limoges et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 46 05.34 (0.01) | 15 46 05.35 (0.02) | 15 46 05.35 (0.02) | 15 46 05.34 | 15 46 05.44 (0.01) | 15 46 05.35 | 15 46 05.45 | ||||||||
| Declination | 37 51 27.72 (0.02) | 37 51 27.71 (0.02) | 37 51 27.71 (0.02) | 37 51 27.72 | 37 51 27.50 (0.02) | 37 51 27.71 | 37 51 25.92 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA3.6 | DA3.7 | ||||||
| Effective temperature | [K] | 13066.0 (73) | 13290.0 (184) | 13065.0 (73) | 13096.3 (100) | 13450.0 (274) | 13820.0 (401) | 13429.0 (80) | |||||||
| log(g) | [cgs] | 8.05 (0.003) | 8.05 (0.01) | 8.05 (0.004) | 8.05 (0.009) | 8.06 (0.06) | 8.05 (0.06) | 8.07 (0.005) | |||||||
| Mass | [M☉] | 0.637 (0.003) | 0.641 (0.009) | 0.637 (0.004) | 0.64 (0.04) | 0.64 (0.03) | 0.65 (0.004) | ||||||||
| log(Luminosity) | [L☉] | -2.34 | |||||||||||||
| Cooling age | [Gyr] | ||||||||||||||
| 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] | 26.68 (0.02) | 26.68 (0.02) | 26.70 (0.03) | 26.70 (0.03) | 26.68 | 26.68 (0.02) | 26.70 (0.03) | |||||||
| Distance | [pc] | 37.48 (0.03) | 37.48 (0.03) | 37.45 (0.04) | 37.45 (0.04) | 38.00 (1) | 38.00 | 37.48 | 37.48 (0.03) | 37.45 (0.04) | |||||
| Composition | H | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -71.35163279 (0.02) | -71.30348687 (0.04) | -71.352 (0.02) | -71.30348687 | ||||||||||
| Proper motion (declination) | [mas/yr] | 13.6364094 (0.02) | 13.64617418 (0.05) | 13.636 (0.02) | 13.64617418 | ||||||||||
| Variability | NOV | ||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 14.57 (0.08) | ||||||||||||||
| V magnitude | 14.46 (0.1) | ||||||||||||||
| R magnitude | 14.76 (0.1) | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 14.62 (0.03) | ||||||||||||||
| H magnitude | 14.70 (0.06) | ||||||||||||||
| K magnitude | 14.91 (0.1) | ||||||||||||||
| u magnitude | 14.76 (0.004) | 14.76 (0.004) | |||||||||||||
| g magnitude | 14.36 (0.003) | 14.36 (0.003) | |||||||||||||
| r magnitude | 14.61 (0.004) | 14.61 (0.004) | |||||||||||||
| i magnitude | 14.83 (0.004) | 14.83 (0.004) | |||||||||||||
| z magnitude | 15.07 (0.005) | 15.07 (0.005) | |||||||||||||
| G magnitude | 14.49 (0.001) | 14.51 | 14.51 | 14.49 | 14.49 (0.003) | 14.51 | |||||||||
| BP magnitude | 14.48 (0.001) | 14.47 | 14.47 | ||||||||||||
| RP magnitude | 14.55 (0.001) | 14.55 | 14.55 | ||||||||||||
| Pan g magnitude | 14.39 (0.002) | ||||||||||||||
| Pan r magnitude | 14.63 (0.001) | ||||||||||||||
| Pan i magnitude | 14.86 (0.002) | ||||||||||||||
| Pan z magnitude | 15.10 (0.003) | ||||||||||||||
| Pan y magnitude | 15.22 (0.003) | ||||||||||||||
| 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.