All names: Gaia DR3 3658972284019836672, GALEX J134820.4-011224, WD 1345-009, 2QZ J134820.4-011225, SDSS J134820.41-011224.8, SDSS J134820.41-011224.7, Gaia DR2 3658972284019836672, LBQS 1345-0057, Gaia EDR3 3658972284019836672, SDSS J134820.41-011224.9, SDSS J134820.40-011224.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Tremblay et al. 2011 | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 48 20.41 (0.2) | 13 48 20.41 | 13 48 20.41 (0.4) | 13 48 20.41 (0.2) | 13 48 20.41 | 13 48 19.34 | 13 48 20.41 | 13 48 20.41 | |||||||
| Declination | -01 12 24.80 (0.1) | -01 12 24.73 | -01 12 24.80 (0.2) | -01 12 24.78 (0.1) | -01 12 24.74 | -01 12 24.84 | -01 12 24.91 | -01 12 24.91 | |||||||
| Spectral type | DA | DA | DA1-2 | DA1-2 | DA | DA1.6 | DA | DA | |||||||
| Effective temperature | [K] | 31191.0 (277) | 31850.0 (450) | 31382.0 (391) | 31638.0 (338) | 31899.0 (424) | |||||||||
| log(g) | [cgs] | 7.36 (0.07) | 7.15 (0.1) | 7.05 (0.07) | 7.38 (0.08) | 7.27 (0.08) | |||||||||
| Mass | [M☉] | 0.39 (0.02) | 0.38 (0.03) | ||||||||||||
| log(Luminosity) | [L☉] | -0.40 (0.05) | |||||||||||||
| Cooling age | [Gyr] | 0.0019 (0.0009) | 0.0209 | ||||||||||||
| 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] | 1.30 (0.3) | 0.48 (0.4) | 1.30 (0.3) | |||||||||||
| Distance | [pc] | 767.33 (164) | 2065.69 (1849) | 767.34 (164) | |||||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -1.131953164 (0.2) | -1.67 (0.5) | -1.132 (0.2) | 4.3 | 5.0 | |||||||||
| Proper motion (declination) | [mas/yr] | -1.158018305 (0.2) | -1.024 (0.3) | -1.158 (0.2) | -1.6 | -4.0 | |||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 18.44 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 19.40 (0.1) | ||||||||||||||
| H magnitude | 19.30 (0.2) | ||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 18.19 (0.01) | 18.16 | 18.19 (0.01) | 18.21 (0.02) | 18.16 | 18.21 (0.02) | 18.16 (0.02) | ||||||||
| g magnitude | 18.38 (0.007) | 18.42 | 18.38 (0.007) | 18.41 (0.01) | 18.43 | 18.40 (0.01) | 18.43 (0.02) | ||||||||
| r magnitude | 18.84 (0.01) | 18.85 | 18.84 (0.01) | 18.85 (0.02) | 18.86 | 18.83 (0.02) | 18.86 (0.02) | ||||||||
| i magnitude | 19.16 (0.02) | 19.15 | 19.16 (0.02) | 19.17 (0.03) | 19.16 | 19.15 (0.03) | 19.16 (0.02) | ||||||||
| z magnitude | 19.46 (0.07) | 19.41 | 19.46 (0.07) | 19.48 (0.07) | 19.42 | 19.46 (0.07) | 19.42 (0.06) | ||||||||
| G magnitude | 18.63 (0.02) | 18.67 | 18.63 (0.003) | ||||||||||||
| BP magnitude | 18.55 (0.02) | 18.51 | |||||||||||||
| RP magnitude | 18.93 (0.05) | 18.93 | |||||||||||||
| Pan g magnitude | 18.46 (0.008) | ||||||||||||||
| Pan r magnitude | 18.86 (0.01) | ||||||||||||||
| Pan i magnitude | 19.19 (0.02) | ||||||||||||||
| Pan z magnitude | 19.45 (0.01) | ||||||||||||||
| Pan y magnitude | 19.51 (0.07) | ||||||||||||||
| E(B-V) | 0.025 | ||||||||||||||
* 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.