All names: Gaia DR3 2642863183056142208, GALEX J233807.8+000109, 2MASS J23380782+0001077, WD 2335-002, TIC 419883376, WIRED J233807.89+000109.1, SDSS J233807.89+000109.0, SDSS J233807.89+000109.1, Gaia DR2 2642863183056142208, SDSS J233807.88+000109.1, SDSS J233807.90+000109.0, Gaia EDR3 2642863183056142208
| 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 | 23 38 07.88 (0.3) | 23 38 07.88 | 23 38 07.88 (0.4) | 23 38 07.89 | 23 38 07.88 (0.3) | 23 38 07.88 | 23 38 07.78 | 23 38 07.89 | |||
| Declination | 00 01 09.11 (0.2) | 00 01 09.11 | 00 01 09.11 (0.3) | 00 01 09.08 | 00 01 09.13 (0.2) | 00 01 09.15 | 00 01 13.08 | 00 01 09.12 | |||
| Spectral type | DA:+M | DA+M | DA+M | DA: dM | DA+M | ||||||
| Effective temperature | [K] | 20702.0 (6894) | 6300.0 (2) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.28 (1) | 8.82 (0.1) | 10.00 (0.009) | |||||||
| Mass | [M☉] | 0.795 (0.7) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 0.43 (0.3) | 0.46 (0.5) | 0.43 (0.3) | |||||||
| Distance | [pc] | 2330.94 (1854) | 2186.68 (2266) | 1332.00 (509) | 2331.00 (1854) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -1.075366008 (0.4) | -1.909809653 (0.9) | -1.075 (0.4) | 2.2 | ||||||
| Proper motion (declination) | [mas/yr] | -1.064353738 (0.3) | -0.268497402 (0.6) | -1.064 (0.3) | -5.5 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 17.20 (0.03) | ||||||||||
| H magnitude | 16.55 (0.02) | ||||||||||
| K magnitude | 16.36 (0.04) | ||||||||||
| u magnitude | 20.75 (0.06) | 20.94 | 20.94 (0.1) | 20.94 (0.1) | 20.94 | 20.89 (0.1) | |||||
| g magnitude | 20.32 (0.02) | 20.31 | 20.32 (0.03) | 20.31 (0.03) | 20.31 | 20.26 (0.03) | |||||
| r magnitude | 19.34 (0.01) | 19.35 | 19.35 (0.02) | 19.35 (0.02) | 19.35 | 19.31 (0.02) | |||||
| i magnitude | 18.79 (0.01) | 18.79 | 18.80 (0.01) | 18.79 (0.02) | 18.79 | 18.75 (0.02) | |||||
| z magnitude | 18.47 (0.03) | 18.53 | 18.53 (0.04) | 18.53 (0.04) | 18.53 | 18.48 (0.04) | |||||
| G magnitude | 19.30 (0.06) | 19.34 | 19.30 (0.005) | ||||||||
| BP magnitude | 20.00 (0.06) | 20.01 | |||||||||
| RP magnitude | 18.50 (0.03) | 18.39 | |||||||||
| Pan g magnitude | 20.18 (0.03) | ||||||||||
| Pan r magnitude | 19.39 (0.009) | ||||||||||
| Pan i magnitude | 18.80 (0.003) | ||||||||||
| Pan z magnitude | 18.53 (0.008) | ||||||||||
| Pan y magnitude | 18.36 (0.02) | ||||||||||
| E(B-V) | 0.036 | ||||||||||
* 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.