All names: G 270-48, PB 8504, WDJ004345.98-100025.02, Gaia DR2 2377863773908424448, FB 8, PHL 814, SDSS J004345.97-100025.1, J0043-1000, NLTT 2388, ATO J010.9409-10.0075, CSI-10-00412, WD 0041-102, Gaia DR3 2377863773908424448, LP 705-94, Gaia EDR3 2377863773908424448, V* BV Cet, EGGR 267, BPM 70331, L 795-7, Feige 7, WD 0041-10, 2MASS J00434599-1000248, uvby98 620001007, TIC 3888273, SDSS J004345.98-100025.1, GSC 05269-01924, BPS CS 22170-0019
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Jewett et al. 2024 | O'Brien et al. 2024 | Hardy et al. 2023b | MWDD HE | Gaia DR2 | Stilism | Ferrario et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 43 45.82 (0.03) | 00 43 45.83 (0.05) | 00 43 45.82 | 00 43 45.98 (0.03) | 00 43 45.83 | 00 43 46.56 | ||||||||
| Declination | -10 00 27.17 (0.02) | -10 00 27.11 (0.04) | -10 00 27.17 | -10 00 25.02 (0.02) | -10 00 27.11 | -10 00 22.68 | ||||||||
| Spectral type | DBAH | DBAH | DBH | DBA | DBA | DB: | DBAP3 | DXP3 | ||||||
| Effective temperature | [K] | 18381.0 (371) | 21334.0 (835) | 20847.5 (1077) | 22247.0 | 20000.0 | 21689.0 (297) | |||||||
| log(g) | [cgs] | 8.77 | 8.89 (0.03) | 8.86 (0.2) | 8.93 | 8.00 (0) | 8.90 (0.009) | |||||||
| Mass | [M☉] | 1.077 (0.01) | 1.14 (0.02) | 1.125139602 (0.2) | 1.158 | 1.146 (0.005) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.4300 (0.03) | 0.3142 | |||||||||||
| log(H/He) | -2.0 | |||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| log(N/He) | ||||||||||||||
| log(O/He) | ||||||||||||||
| log(Na/He) | ||||||||||||||
| log(Mg/He) | ||||||||||||||
| log(Al/He) | ||||||||||||||
| log(Si/He) | ||||||||||||||
| log(P/He) | ||||||||||||||
| log(S/He) | ||||||||||||||
| log(Cl/He) | ||||||||||||||
| log(Sc/He) | ||||||||||||||
| log(Ti/He) | ||||||||||||||
| log(V/He) | ||||||||||||||
| log(Cr/He) | ||||||||||||||
| log(Mn/He) | ||||||||||||||
| log(Fe/He) | ||||||||||||||
| log(Co/He) | ||||||||||||||
| log(Ni/He) | ||||||||||||||
| log(Cu/He) | ||||||||||||||
| log(Zn/He) | ||||||||||||||
| log(Ga/He) | ||||||||||||||
| log(Ge/He) | ||||||||||||||
| log(Sr/He) | ||||||||||||||
| Parallax | [mas] | 32.12 (0.04) | 32.12 (0.04) | 32.17 (0.07) | 32.12 | 32.12 (0.04) | 32.17 (0.07) | |||||||
| Distance | [pc] | 31.13 (0.04) | 31.13 (0.04) | 31.09 (0.07) | 31.13 | 31.13 (0.04) | 31.09 (0.07) | |||||||
| Composition | He | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -145.6309566 (0.05) | -145.4283136 (0.1) | -145.631 (0.05) | -145.4283136 | |||||||||
| Proper motion (declination) | [mas/yr] | -134.8758339 (0.04) | -134.6508728 (0.06) | -134.876 (0.04) | -134.6508728 | |||||||||
| Variability | ||||||||||||||
| Magnetic | yes | yes | yes | |||||||||||
| Bd | [MG] | 39.45203169 (0.5) | 35 | |||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 14.49 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 15.10 (0.04) | |||||||||||||
| H magnitude | 15.07 (0.07) | |||||||||||||
| K magnitude | 15.16 (0.1) | |||||||||||||
| u magnitude | 14.24 (0.004) | 14.26 (0.004) | 14.25 | |||||||||||
| g magnitude | 14.37 (0.003) | 14.39 (0.003) | 14.40 | |||||||||||
| r magnitude | 14.74 (0.004) | 14.75 (0.004) | 14.75 | |||||||||||
| i magnitude | 15.02 (0.005) | 15.04 (0.005) | 15.02 | |||||||||||
| z magnitude | 15.30 (0.006) | 15.31 (0.006) | 15.32 | |||||||||||
| G magnitude | 14.53 (0.004) | 14.54 | 14.53 | 14.53 (0.003) | 14.54 | |||||||||
| BP magnitude | 14.43 (0.004) | 14.39 | 14.39 | |||||||||||
| RP magnitude | 14.70 (0.003) | 14.70 | 14.70 | |||||||||||
| Pan g magnitude | 14.39 (0.01) | |||||||||||||
| Pan r magnitude | 14.75 (0.005) | |||||||||||||
| Pan i magnitude | 15.05 (0.006) | |||||||||||||
| Pan z magnitude | 15.30 (0.003) | |||||||||||||
| Pan y magnitude | 15.47 (0.004) | |||||||||||||
| 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.