All names: Gaia DR3 2469900005324049280, WDJ010904.22-104215.39, WD 0106-109.2, NLTT 3824, USNO-B1.0 0792-00011251, LP 707-9, Gaia EDR3 2469900005324049280, J0109-1042, LP707-009, ** LDS 3236B, SDSS J010904.23-104215.4, Gaia DR2 2469900005324049280, WDS J01091-1042B
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | 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 | 01 09 04.41 (0.2) | 01 09 04.40 (0.2) | 01 09 04.41 | 01 09 04.22 (0.2) | 01 09 04.40 | 01 09 03.02 | |||||||
Declination | -10 42 15.83 (0.1) | -10 42 15.82 (0.2) | -10 42 15.83 | -10 42 15.39 (0.1) | -10 42 15.82 | -10 42 07.20 | |||||||
Spectral type | DC | DC | DC | DC | DC: | DC | DC | ||||||
Effective temperature | [K] | 5005.0 (34) | 5070.0 (33) | 5007.0 | 4688.0 | 5099.0 (58) | |||||||
log(g) | [cgs] | 7.99 (0.02) | 8.04 (0.02) | 8.00 | 7.78 | 8.05 (0.03) | |||||||
Mass | [M☉] | 0.576 (0.02) | 0.607 (0.02) | 0.582 | 0.446 | 0.609 (0.03) | |||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 6.0700 | 5.6920 | 4.3600 | |||||||||
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] | 16.77 (0.2) | 16.85 (0.2) | 16.85 (0.2) | 16.77 | 16.77 (0.2) | 16.85 (0.2) | ||||||
Distance | [pc] | 59.65 (0.8) | 59.35 (0.8) | 59.34 (0.8) | 59.65 | 59.65 (0.8) | 59.34 (0.8) | ||||||
Composition | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 174.4138129 (0.4) | 174.4642538 (0.5) | 174.414 (0.4) | 174.4642538 | ||||||||
Proper motion (declination) | [mas/yr] | -27.45899382 (0.4) | -27.4356967 (0.4) | -27.459 (0.4) | -27.4356967 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | yes | ||||||||||||
B magnitude | 19.30 | ||||||||||||
V magnitude | 18.95 | ||||||||||||
R magnitude | 19.00 | ||||||||||||
I magnitude | |||||||||||||
J magnitude | |||||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | 20.76 (0.09) | 21.00 (0.1) | 21.00 (0.1) | ||||||||||
g magnitude | 19.44 (0.01) | 19.44 (0.01) | |||||||||||
r magnitude | 18.69 (0.01) | 18.69 (0.01) | |||||||||||
i magnitude | 18.44 (0.01) | 18.44 (0.01) | |||||||||||
z magnitude | 18.34 (0.04) | 18.34 (0.04) | |||||||||||
G magnitude | 18.73 (0.02) | 18.75 | 18.73 | 18.73 (0.003) | 18.75 | ||||||||
BP magnitude | 19.19 (0.02) | 19.20 | 19.20 | ||||||||||
RP magnitude | 18.10 (0.02) | 18.09 | 18.09 | ||||||||||
Pan g magnitude | 19.30 (0.01) | 19.30 (0.01) | |||||||||||
Pan r magnitude | 18.69 (0.005) | 18.69 (0.006) | |||||||||||
Pan i magnitude | 18.45 (0.004) | 18.45 (0.005) | |||||||||||
Pan z magnitude | 18.36 (0.01) | 18.36 (0.01) | |||||||||||
Pan y magnitude | 18.31 (0.02) | 18.31 (0.02) | |||||||||||
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.