All names: LSPM J0422+2642, WDJ042222.28+264200.65, Gaia DR2 152091973137497216, WD 0419+266, NLTT 13096, LP 358-142, EGGR 418, Gaia DR3 152091973137497216, USNO-B1.0 1167-00056074, J0422+2641, Gaia EDR3 152091973137497216
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 04 22 22.77 (0.2) | 04 22 22.75 (0.3) | 04 22 22.77 | 04 22 22.28 (0.2) | 04 22 22.75 | 04 22 22.20 | ||||||
Declination | 26 41 59.39 (0.1) | 26 41 59.43 (0.1) | 26 41 59.39 | 26 42 00.65 (0.1) | 26 41 59.43 | 26 43 00.12 | ||||||
Spectral type | DC | DC9 | DC9 | DA | DC9 | DC9 | ||||||
Effective temperature | [K] | 5019.0 (41) | 5633.0 | 5372.0 | 5689.0 (77) | |||||||
log(g) | [cgs] | 7.82 (0.03) | 8.19 | 8.03 | 8.24 (0.03) | |||||||
Mass | [M☉] | 0.465 (0.02) | 0.702 | 0.585 | 0.739 (0.03) | |||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 4.2700 | 4.4370 | 4.5810 | ||||||||
log(H/He) | ||||||||||||
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] | 15.92 (0.2) | 15.54 (0.3) | 15.54 (0.3) | 15.92 | 15.92 (0.2) | 15.54 (0.3) | |||||
Distance | [pc] | 62.82 (0.9) | 64.35 (1) | 64.36 (1) | 62.82 | 62.82 (0.9) | 64.36 (1) | |||||
Composition | He | |||||||||||
Proper motion (right ascension) | [mas/yr] | 409.2590671 (0.3) | 408.5694074 (0.7) | 409.259 (0.3) | 408.5694074 | |||||||
Proper motion (declination) | [mas/yr] | -79.02195353 (0.2) | -78.87438651 (0.4) | -79.022 (0.2) | -78.87438651 | |||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | 19.70 | |||||||||||
V magnitude | ||||||||||||
R magnitude | 18.50 | |||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | 17.08 (0.2) | |||||||||||
K magnitude | 17.20 (0.09) | |||||||||||
u magnitude | 20.39 (0.05) | 20.39 (0.05) | ||||||||||
g magnitude | 19.11 (0.01) | |||||||||||
r magnitude | 18.59 (0.009) | |||||||||||
i magnitude | 18.38 (0.009) | |||||||||||
z magnitude | 18.33 (0.03) | |||||||||||
G magnitude | 18.62 (0.02) | 18.64 | 18.62 | 18.62 (0.003) | 18.64 | |||||||
BP magnitude | 19.00 (0.02) | 18.99 | 18.99 | |||||||||
RP magnitude | 18.08 (0.02) | 18.03 | 18.03 | |||||||||
Pan g magnitude | 19.03 (0.01) | 19.03 (0.01) | ||||||||||
Pan r magnitude | 18.60 (0.01) | 18.60 (0.01) | ||||||||||
Pan i magnitude | 18.41 (0.006) | 18.41 (0.006) | ||||||||||
Pan z magnitude | 18.37 (0.01) | 18.37 (0.01) | ||||||||||
Pan y magnitude | 18.35 (0.04) | 18.35 (0.04) | ||||||||||
E(B-V) | 0.002 |
* 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.