All names: SDSS J223300.45+124719.0, SDSS J223300.46+124719.1, Gaia EDR3 2731014470524213888, Gaia DR2 2731014470524213888, SDSS J223300.46+124719.0, Gaia DR3 2731014470524213888, 2MASS J22330047+1247190, WIRED J223300.45+124719.0, WD 2230+125, [HHD2009] SDSS J2233+1247, TIC 51861184
| 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 | 22 33 00.45 (0.3) | 22 33 00.46 | 22 33 00.45 (0.6) | 22 33 00.45 | 22 33 00.46 (0.3) | 22 33 00.46 | 22 33 00.14 | 22 33 00.46 | |||
| Declination | 12 47 19.09 (0.3) | 12 47 19.08 | 12 47 19.09 (0.4) | 12 47 19.00 | 12 47 19.04 (0.3) | 12 47 19.04 | 12 47 16.80 | 12 47 19.06 | |||
| Spectral type | DA+M | DA+M | DA+M | DA : | DA+M | ||||||
| Effective temperature | [K] | 18756.0 (1198) | 8566.0 (100) | 8344.0 (122) | |||||||
| log(g) | [cgs] | 7.87 (0.3) | 8.28 (0.1) | 8.24 (0.1) | |||||||
| Mass | [M☉] | 0.55 (0.2) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 1.67 (0.4) | 1.27 (0.6) | 1.67 (0.4) | |||||||
| Distance | [pc] | 600.28 (130) | 787.39 (398) | 630.00 (458) | 600.28 (130) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -15.60155607 (0.4) | -14.29512618 (0.7) | -15.602 (0.4) | -18.2 | ||||||
| Proper motion (declination) | [mas/yr] | 3.397998075 (0.3) | 3.760883196 (0.7) | 3.398 (0.3) | -1.2 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.69 (0.1) | ||||||||||
| H magnitude | 16.49 (0.1) | ||||||||||
| K magnitude | 16.14 (0.2) | ||||||||||
| u magnitude | 24.16 (0.7) | 19.78 | 19.76 (0.04) | 19.78 (0.04) | 19.78 | 19.82 (0.04) | |||||
| g magnitude | 22.85 (0.1) | 19.63 | 19.61 (0.01) | 19.63 (0.02) | 19.63 | 19.64 (0.02) | |||||
| r magnitude | 21.58 (0.06) | 19.71 | 19.68 (0.02) | 19.71 (0.02) | 19.71 | 19.71 (0.02) | |||||
| i magnitude | 19.73 (0.02) | 19.22 | 19.20 (0.01) | 19.22 (0.02) | 19.22 | 19.22 (0.02) | |||||
| z magnitude | 18.77 (0.03) | 18.58 | 18.58 (0.03) | 18.58 (0.03) | 18.58 | 18.57 (0.03) | |||||
| G magnitude | 19.36 (0.05) | 19.39 | 19.36 (0.005) | ||||||||
| BP magnitude | 19.71 (0.05) | 19.76 | |||||||||
| RP magnitude | 18.78 (0.03) | 18.72 | |||||||||
| Pan g magnitude | 19.64 (0.009) | ||||||||||
| Pan r magnitude | 19.73 (0.01) | ||||||||||
| Pan i magnitude | 19.21 (0.004) | ||||||||||
| Pan z magnitude | 18.72 (0.01) | ||||||||||
| Pan y magnitude | 18.38 (0.02) | ||||||||||
| E(B-V) | 0.058 | ||||||||||
* 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.