All names: Gaia DR3 778305557877833088, SDSS J105527.02+413101.0, USNO-B1.0 1315-00219667, Gaia EDR3 778305557877833088, Gaia DR2 778305557877833088, J1055+4130, LSPM J1055+4131, WDJ105527.04+413101.51, GALEX J105527.0+413100
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 55 26.96 (0.2) | 10 55 26.96 | 10 55 26.96 | 10 55 27.04 (0.2) | |||||
| Declination | 41 30 59.00 (0.2) | 41 30 59.08 | 41 30 59.00 | 41 31 01.50 (0.2) | |||||
| Spectral type | DC | DC | DC | DC | |||||
| Effective temperature | [K] | 6195.0 (81) | 5988.0 (311) | ||||||
| log(g) | [cgs] | 8.05 (0.05) | 8.06 (0.08) | ||||||
| Mass | [M☉] | 0.603 (0.04) | 0.61 (0.07) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 2.4600 | |||||||
| log(H/He) | -3.0 | ||||||||
| 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] | 9.42 (0.3) | 9.65 (0.4) | 9.65 (0.4) | 9.42 | 9.42 (0.3) | |||
| Distance | [pc] | 106.10 (3) | 103.63 (4) | 103.59 (4) | 106.10 | 106.10 (3) | |||
| Composition | He | ||||||||
| Proper motion (right ascension) | [mas/yr] | -57.17501883 (0.3) | -56.90016557 (0.5) | -57.175 (0.3) | |||||
| Proper motion (declination) | [mas/yr] | -156.3887817 (0.2) | -156.8005561 (0.5) | -156.389 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 20.10 | ||||||||
| V magnitude | |||||||||
| R magnitude | 19.10 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 19.99 (0.04) | 19.99 (0.04) | |||||||
| g magnitude | 19.41 (0.01) | ||||||||
| r magnitude | 19.12 (0.01) | ||||||||
| i magnitude | 19.05 (0.01) | ||||||||
| z magnitude | 19.12 (0.05) | ||||||||
| G magnitude | 19.14 (0.03) | 19.17 | 19.14 | 19.14 (0.004) | |||||
| BP magnitude | 19.41 (0.03) | 19.37 | |||||||
| RP magnitude | 18.82 (0.03) | 18.73 | |||||||
| Pan g magnitude | 19.39 (0.01) | 19.39 (0.01) | |||||||
| Pan r magnitude | 19.11 (0.02) | 19.11 (0.02) | |||||||
| Pan i magnitude | 19.08 (0.008) | 19.08 (0.007) | |||||||
| Pan z magnitude | 19.13 (0.02) | 19.13 (0.02) | |||||||
| Pan y magnitude | 19.14 (0.03) | 19.14 (0.04) | |||||||
| E(B-V) | 0.006 | ||||||||
* 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.