All names: WDJ054935.45+232953.10, TIC 358391632, LSPM J0549+2329, LSR J0549+2329, WDJ054935.45+232953.11, 2MASS J05493544+2329526, USNO-B1.0 1134-00094963, Gaia DR3 3427482725113315200, Gaia EDR3 3427482725113315200, Gaia DR2 3427482725113315200, J0549+2329, 0546+234
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Leggett et al. 2018 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 05 49 36.64 (0.1) | 05 49 36.61 | 05 49 36.64 | 05 49 35.45 (0.1) | 05 49 36.61 | |||||
| Declination | 23 29 38.42 (0.09) | 23 29 38.88 | 23 29 38.42 | 23 29 53.11 (0.09) | 23 29 38.88 | |||||
| Spectral type | DC | D:10.6 | DC | DC8 | ||||||
| Effective temperature | [K] | 4572.0 (8) | 4746.0 (40) | 4531.0 (42) | ||||||
| log(g) | [cgs] | 7.38 (0.01) | 7.27 (0.04) | 7.28 (0.03) | ||||||
| Mass | [M☉] | 0.274 (0.007) | 0.236 (0.02) | 0.244 (0.01) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 2.7100 | 2.1600 (0.08) | |||||||
| 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] | 19.30 (0.1) | 19.25 (0.2) | 17.33 (0.4) | 19.25 (0.2) | 19.30 | 19.30 (0.1) | 19.25 (0.2) | ||
| Distance | [pc] | 51.82 (0.4) | 51.95 (0.5) | 57.70 (1) | 51.94 (0.5) | 51.82 | 51.82 (0.4) | 51.94 (0.5) | ||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 1027.264119 (0.2) | 1026.739962 (0.3) | 1027.264 (0.2) | 1026.739962 | |||||
| Proper motion (declination) | [mas/yr] | -918.2290628 (0.1) | -917.6636278 (0.3) | -918.229 (0.1) | -917.6636278 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 19.10 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 18.80 | |||||||||
| I magnitude | ||||||||||
| J magnitude | 16.65 (0.01) | 16.60 (0.1) | ||||||||
| H magnitude | 16.42 (0.02) | 16.33 (0.2) | ||||||||
| K magnitude | 16.35 (0.03) | |||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 18.08 (0.02) | 18.10 | 18.08 | 18.08 (0.003) | 18.10 | |||||
| BP magnitude | 18.70 (0.02) | 18.71 | 18.71 | |||||||
| RP magnitude | 17.38 (0.009) | 17.37 | 17.37 | |||||||
| Pan g magnitude | 18.85 (0.002) | 18.85 (0.002) | ||||||||
| Pan r magnitude | 18.05 (0.002) | 18.05 (0.003) | ||||||||
| Pan i magnitude | 17.73 (0.003) | 17.73 (0.003) | ||||||||
| Pan z magnitude | 17.58 (0.007) | 17.58 (0.01) | ||||||||
| Pan y magnitude | 17.55 (0.04) | 17.55 (0.04) | ||||||||
| E(B-V) | 0.001 | |||||||||
* 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.