All names: WDS J14123-1843A, J1412-1842, ** LDS 4441A, LP 799-73, USNO-B1.0 0712-00277965, NLTT 36542, SCR J1412-1842B, Gaia DR3 6296317052576778240, WD 1409-184, TIC 428745310, Gaia EDR3 6296317052576778240, WDJ141220.36-184241.64, 2MASS J14122035-1842415, 141220.36-184241.64, Gaia DR2 6296317052576778240
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | O'Brien et al. 2022 | 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 | 14 12 20.50 (0.08) | 14 12 20.50 (0.09) | 14 12 20.50 | 14 12 20.36 (0.08) | 14 12 20.50 | 14 12 21.94 | ||||||||
Declination | -18 42 43.49 (0.06) | -18 42 43.44 (0.08) | -18 42 43.49 | -18 42 41.64 (0.06) | -18 42 43.44 | -18 43 03.00 | ||||||||
Spectral type | DAH | DC | DAH | DC | DC | DA: | DC | DC | ||||||
Effective temperature | [K] | 5721.0 (86) | 5428.0 (19) | 5720.0 (90) | 5794.0 | 5528.0 | 5883.0 (47) | |||||||
log(g) | [cgs] | 8.08 (0.05) | 7.90 (0.008) | 8.08 (0.05) | 8.13 | 7.96 | 8.16 (0.02) | |||||||
Mass | [M☉] | 0.635 (0.03) | 0.513 (0.007) | 0.667 | 0.549 | 0.687 (0.01) | ||||||||
log(Luminosity) | [L☉] | |||||||||||||
Cooling age | [Gyr] | 3.5200 | 3.4680 | 3.5340 | ||||||||||
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] | 30.06 (0.09) | 30.06 (0.09) | 30.13 (0.1) | 30.06 (0.09) | 30.13 (0.1) | 30.06 | 30.06 (0.09) | 30.13 (0.1) | |||||
Distance | [pc] | 33.27 (0.09) | 33.27 (0.1) | 33.19 (0.1) | 33.27 (0.1) | 33.19 (0.1) | 33.27 | 33.27 (0.09) | 33.19 (0.1) | |||||
Composition | He | |||||||||||||
Proper motion (right ascension) | [mas/yr] | 120.9534708 (0.09) | 120.7736605 (0.2) | 120.953 (0.1) | 120.7736605 | |||||||||
Proper motion (declination) | [mas/yr] | -116.003431 (0.07) | -116.0029856 (0.2) | -116.003 (0.07) | -116.0029856 | |||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | yes | |||||||||||||
B magnitude | 17.77 | |||||||||||||
V magnitude | ||||||||||||||
R magnitude | 16.91 | |||||||||||||
I magnitude | ||||||||||||||
J magnitude | 15.96 (0.008) | 16.08 (0.09) | ||||||||||||
H magnitude | 15.81 (0.2) | 15.81 (0.2) | ||||||||||||
K magnitude | 15.69 (0.03) | 15.70 (0.2) | ||||||||||||
u magnitude | ||||||||||||||
g magnitude | ||||||||||||||
r magnitude | ||||||||||||||
i magnitude | ||||||||||||||
z magnitude | ||||||||||||||
G magnitude | 16.95 (0.009) | 16.97 | 16.95 | 16.95 (0.003) | 16.97 | |||||||||
BP magnitude | 17.28 (0.009) | 17.28 | 17.28 | |||||||||||
RP magnitude | 16.44 (0.01) | 16.43 | 16.43 | |||||||||||
Pan g magnitude | 17.32 (0.004) | 17.32 (0.005) | ||||||||||||
Pan r magnitude | 16.94 (0.005) | 16.94 (0.004) | ||||||||||||
Pan i magnitude | 16.80 (0.002) | 16.80 (0.003) | ||||||||||||
Pan z magnitude | 16.77 (0.004) | 16.77 (0.003) | ||||||||||||
Pan y magnitude | 16.77 (0.008) | 16.77 (0.008) | ||||||||||||
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.