All names: WIRED J212531.92-010745.9, LAMOST J212531.92-010745.9, WD 2122-013, CRTS J212531.9-010745, [HHD2009] SDSS J2125-0107, SDSS J212531.92-010745.9, Gaia DR2 2686081102494206080, WISE J212531.93-010745.9, SDSS J212531.92-010745.8, Gaia DR3 2686081102494206080, ATO J321.3830-01.1294, Gaia EDR3 2686081102494206080, PTF1 J212531.92-010745.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 25 31.93 (0.09) | 21 25 31.92 | 21 25 31.93 (0.1) | 21 25 31.92 | 21 25 31.92 (0.09) | 21 25 31.92 | 21 25 31.68 | 21 25 31.92 | |||
| Declination | -01 07 45.86 (0.07) | -01 07 45.89 | -01 07 45.86 (0.1) | -01 07 45.91 | -01 07 45.92 (0.07) | -01 07 45.90 | -01 07 42.24 | -01 07 45.92 | |||
| Spectral type | PG1159 | DAB+dM | DB+M: | DAB dM: | PG1159+ | ||||||
| Effective temperature | [K] | 11683.0 (100) | 12692.0 (141) | ||||||||
| log(g) | [cgs] | 8.99 (0.02) | 9.98 (0.04) | ||||||||
| Mass | [M☉] | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 0.35 (0.1) | 0.45 (0.2) | 0.35 (0.1) | |||||||
| Distance | [pc] | 2872.14 (918) | 2210.52 (799) | 2871.91 (918) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 7.156787918 (0.1) | 6.916341253 (0.3) | 7.157 (0.1) | 4.5 | ||||||
| Proper motion (declination) | [mas/yr] | 3.490754939 (0.07) | 3.765561277 (0.2) | 3.491 (0.07) | 5.7 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | |||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 17.14 (0.008) | 17.17 | 16.99 (0.008) | 17.17 (0.01) | 17.17 | 17.17 (0.02) | |||||
| g magnitude | 17.54 (0.005) | 17.57 | 17.54 (0.005) | 17.57 (0.01) | 17.57 | 17.57 (0.02) | |||||
| r magnitude | 17.75 (0.006) | 17.77 | 17.75 (0.006) | 17.78 (0.01) | 17.78 | 17.77 (0.01) | |||||
| i magnitude | 17.78 (0.008) | 17.78 | 17.78 (0.008) | 17.80 (0.01) | 17.80 | 17.78 (0.01) | |||||
| z magnitude | 17.80 (0.02) | 17.81 | 17.83 (0.02) | 17.84 (0.02) | 17.84 | 17.81 (0.02) | |||||
| G magnitude | 17.54 (0.03) | 17.62 | 17.54 (0.01) | ||||||||
| BP magnitude | 17.54 (0.03) | 17.56 | |||||||||
| RP magnitude | 17.41 (0.04) | 17.51 | |||||||||
| Pan g magnitude | 17.33 (0.01) | ||||||||||
| Pan r magnitude | 17.79 (0.08) | ||||||||||
| Pan i magnitude | 17.73 (0.05) | ||||||||||
| Pan z magnitude | 18.17 (0.01) | ||||||||||
| Pan y magnitude | 17.53 (0.03) | ||||||||||
| E(B-V) | 0.033 | ||||||||||
* 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.