All names: TIC 204611265, J0245-1951, 2MASS J02453178-1951344, Gaia DR3 5128633195616949120, LEHPM 2749, Gaia DR2 5128633195616949120, LHS 1441, Gaia EDR3 5128633195616949120, PSO J041.3846-19.8594, LP 771-7, NLTT 8904, WDJ024531.84-195134.42
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 45 32.47 (0.09) | 02 45 32.45 (0.1) | 02 45 32.47 | 02 45 31.84 (0.09) | 02 45 32.45 | ||||||||
| Declination | -19 51 33.79 (0.09) | -19 51 33.81 (0.1) | -19 51 33.79 | -19 51 34.42 (0.09) | -19 51 33.81 | ||||||||
| Spectral type | DC | DC | DC | DC: | DC | ||||||||
| Effective temperature | [K] | 4308.0 (88) | 4323.0 (32) | 4275.0 (30) | 4277.0 | 4000.0 | 4302.0 (55) | ||||||
| log(g) | [cgs] | 7.80 (0.06) | 7.84 (0.02) | 7.80 (0.03) | 7.79 | 7.52 | 7.81 (0.03) | ||||||
| Mass | [M☉] | 0.464 (0.03) | 0.482 (0.01) | 0.46 (0.01) | 0.457 | 0.322 | 0.469 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 6.9400 | 6.1770 (0.3) | 6.0970 | 3.9750 | ||||||||
| 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] | 31.11 (0.1) | 31.11 (0.1) | 31.13 (0.1) | 31.13 (0.1) | 31.13 (0.1) | 31.11 | 31.11 (0.1) | 31.13 (0.1) | ||||
| Distance | [pc] | 32.15 (0.1) | 32.14 (0.1) | 32.12 (0.1) | 32.13 (0.1) | 32.13 (0.1) | 32.15 | 32.15 (0.1) | 32.13 (0.1) | ||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 560.8047264 (0.1) | 560.929 (0.3) | 560.805 (0.1) | 560.9288554 | ||||||||
| Proper motion (declination) | [mas/yr] | 39.51162144 (0.1) | 39.385 (0.3) | 39.512 (0.1) | 39.38497002 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.90 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.33 (0.01) | 16.50 (0.1) | 16.50 (0.1) | ||||||||||
| H magnitude | 16.36 (0.2) | 16.36 (0.2) | 16.36 (0.2) | ||||||||||
| K magnitude | 16.13 (0.03) | ||||||||||||
| u magnitude | |||||||||||||
| g magnitude | 18.71 (0.02) | ||||||||||||
| r magnitude | 17.81 (0.01) | ||||||||||||
| i magnitude | 17.46 (0.007) | ||||||||||||
| z magnitude | 17.31 (0.006) | ||||||||||||
| G magnitude | 17.86 (0.02) | 17.88 | 17.86 | 17.86 (0.003) | 17.88 | ||||||||
| BP magnitude | 18.52 (0.02) | 18.54 | 18.54 | ||||||||||
| RP magnitude | 17.10 (0.009) | 17.11 | 17.11 | ||||||||||
| Pan g magnitude | 18.72 (0.006) | 18.71 (0.02) | 18.71 (0.01) | ||||||||||
| Pan r magnitude | 17.81 (0.009) | 17.81 (0.01) | 17.81 (0.01) | ||||||||||
| Pan i magnitude | 17.44 (0.004) | 17.46 (0.007) | 17.46 (0.007) | ||||||||||
| Pan z magnitude | 17.34 (0.01) | 17.31 (0.006) | 17.31 (0.006) | ||||||||||
| Pan y magnitude | 17.21 (0.01) | 17.22 (0.007) | 17.21 (0.007) | ||||||||||
| E(B-V) | 0.000 | ||||||||||||
* 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.