All names: WDJ004345.98-100025.02, G 270-48, TIC 3888273, J0043-1000, LP 705-94, WD 0041-102, SDSS J004345.98-100025.1, PHL 814, Gaia DR2 2377863773908424448, ATO J010.9409-10.0075, V* BV Cet, BPM 70331, WD 0041-10, SDSS J004345.97-100025.1, BPS CS 22170-0019, PB 8504, Feige 7, uvby98 620001007, Gaia EDR3 2377863773908424448, Gaia DR3 2377863773908424448, L 795-7, FB 8, GSC 05269-01924, NLTT 2388, 2MASS J00434599-1000248, EGGR 267, CSI-10-00412
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.