All names: ULAS J1206+03, ULAS J120605.93+034717.1, Gaia DR3 3894497746389398144, SDSS J120605.92+034718.1, Gaia EDR3 3894497746389398144, Gaia DR2 3894497746388128384
| Parameter | Unit | Gaia EDR3 | Stilism | Leggett et al. 2011 | Simbad |
|---|---|---|---|---|---|
| Right ascension | 12 06 05.97 (0.5) | 12 06 05.92 (0.5) | |||
| Declination | 03 47 15.66 (0.4) | 03 47 18.28 (0.4) | |||
| Spectral type | DC | DC | |||
| Effective temperature | [K] | 4610.0 (80) | |||
| log(g) | [cgs] | ||||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | 6.9000 | |||
| 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] | 10.33 (0.6) | 10.33 (0.6) | ||
| Distance | [pc] | 96.80 (6) | 94.00 (20) | 96.80 (6) | |
| Composition | He | ||||
| Proper motion (right ascension) | [mas/yr] | 44.121 (0.7) | 44.121 (0.7) | ||
| Proper motion (declination) | [mas/yr] | -163.203 (0.4) | -163.203 (0.4) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 18.63 (0.07) | ||||
| H magnitude | 18.83 (0.2) | ||||
| K magnitude | |||||
| u magnitude | 23.37 (0.6) | ||||
| g magnitude | 21.08 (0.04) | ||||
| r magnitude | 20.14 (0.03) | ||||
| i magnitude | 19.64 (0.03) | ||||
| z magnitude | 19.54 (0.08) | ||||
| G magnitude | 20.09 (0.006) | 20.09 (0.006) | |||
| BP magnitude | 20.54 (0.07) | ||||
| RP magnitude | 19.32 (0.07) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.005 | ||||
* 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.