All names: SDSS J011027.50-102008.7, Gaia EDR3 2469937908410307328, PB 8560, SDSS J011027.50-102008.6, J0110-1020, WDJ011027.51-102008.82, Gaia DR2 2469937908410307328, GALEX J011027.4-102008, Gaia DR3 2469937908410307328, WD 0107-106
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 10 27.53 (0.08) | 01 10 27.51 | 01 10 27.53 (0.09) | 01 10 27.53 | 01 10 27.51 (0.08) | 01 10 27.53 | 01 10 27.50 | 01 10 27.10 | 01 10 27.50 | |||||||
| Declination | -10 20 09.63 (0.07) | -10 20 08.74 | -10 20 09.60 (0.07) | -10 20 09.63 | -10 20 08.82 (0.07) | -10 20 09.60 | -10 20 08.75 | -10 20 03.12 | -10 20 08.61 | |||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC | |||||||||
| Effective temperature | [K] | 7528.0 (56) | 8086.0 | 7786.0 | 7370.0 (91) | 10082.0 (10) | 10082.0 (10) | |||||||||
| log(g) | [cgs] | 7.99 (0.01) | 8.24 | 8.14 | 8.00 (0.02) | 8.75 (0.2) | 9.77 (0.2) | |||||||||
| Mass | [M☉] | 0.567 (0.01) | 0.745 | 0.666 | 0.572 (0.02) | |||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 1.3300 | 1.5440 | 1.4420 | ||||||||||||
| log(H/He) | -3.6 | |||||||||||||||
| 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] | 14.07 (0.1) | 14.06 (0.1) | 14.06 (0.1) | 14.07 | 14.07 (0.1) | 14.06 (0.1) | |||||||||
| Distance | [pc] | 71.05 (0.5) | 71.12 (0.6) | 71.13 (0.6) | 71.05 | 71.05 (0.5) | 71.13 (0.6) | |||||||||
| Composition | He | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 26.65486145 (0.1) | 26.3206985 (0.3) | 26.655 (0.1) | 26.3206985 | 23.8 | ||||||||||
| Proper motion (declination) | [mas/yr] | -50.60098524 (0.2) | -50.6598122 (0.2) | -50.601 (0.2) | -50.6598122 | -42.8 | ||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 18.00 | |||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | ||||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | ||||||||||||||||
| H magnitude | ||||||||||||||||
| K magnitude | ||||||||||||||||
| u magnitude | 18.02 (0.01) | 18.00 (0.01) | 18.02 (0.01) | 18.02 (0.01) | 18.02 (0.02) | 18.04 | 18.01 (0.02) | |||||||||
| g magnitude | 17.66 (0.006) | 17.66 (0.006) | 17.66 (0.006) | 17.72 (0.04) | 17.73 | 17.71 (0.04) | ||||||||||
| r magnitude | 17.57 (0.006) | 17.57 (0.006) | 17.57 (0.006) | 17.58 (0.03) | 17.57 | 17.56 (0.03) | ||||||||||
| i magnitude | 17.59 (0.007) | 17.59 (0.007) | 17.59 (0.007) | 17.59 (0.03) | 17.58 | 17.57 (0.03) | ||||||||||
| z magnitude | 17.74 (0.02) | 17.74 (0.02) | 17.74 (0.02) | 17.78 (0.03) | 17.78 | 17.73 (0.03) | ||||||||||
| G magnitude | 17.52 (0.007) | 17.54 | 17.52 | 17.52 (0.003) | 17.54 | |||||||||||
| BP magnitude | 17.65 (0.007) | 17.64 | 17.64 | |||||||||||||
| RP magnitude | 17.33 (0.006) | 17.31 | 17.31 | |||||||||||||
| Pan g magnitude | 17.63 (0.01) | 17.63 (0.01) | ||||||||||||||
| Pan r magnitude | 17.56 (0.004) | 17.56 (0.004) | ||||||||||||||
| Pan i magnitude | 17.62 (0.005) | 17.62 (0.005) | ||||||||||||||
| Pan z magnitude | 17.70 (0.006) | 17.70 (0.005) | ||||||||||||||
| Pan y magnitude | 17.78 (0.01) | 17.78 (0.01) | ||||||||||||||
| 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.