All names: SDSS_J025306.37+001329.3, Gaia DR3 2498159451317104512, SDSS J025306.38+001327.9, WISE J025306.38+001328.0, Gaia DR2 2498159451317104512, SDSS J025306.37+001329.2, SDSS J025306.38+001327.8, WDS J02531+0013A, 2MASS J02530638+0013278, Gaia EDR3 2498159451317104512, ** SKF 1677A, WD 0250+000.1, ULAS J025306.39+001327.9, TIC 328226386, WISEA J025306.38+001328.0
| Parameter | Unit | Gaia EDR3 | 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 | 02 53 06.40 (0.07) | 02 53 06.36 | 02 53 06.40 (0.08) | 02 53 06.37 | 02 53 06.38 (0.07) | 02 53 06.37 | 02 53 05.86 | 02 53 06.37 | ||
| Declination | 00 13 28.05 (0.06) | 00 13 29.68 | 00 13 28.05 (0.07) | 00 13 29.21 | 00 13 27.87 (0.06) | 00 13 29.37 | 00 13 25.68 | 00 13 29.24 | ||
| Spectral type | DA+M | dM1 | DA+M | DA | DA+M | |||||
| Effective temperature | [K] | 20566.0 (712) | 36000.0 (540) | 35543.0 (727) | ||||||
| log(g) | [cgs] | 7.90 (0.1) | 6.81 (0.08) | 6.67 (0.09) | ||||||
| Mass | [M☉] | 0.57 (0.07) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.09 (0.08) | 2.50 (0.1) | 3.09 (0.08) | ||||||
| Distance | [pc] | 323.26 (9) | 400.48 (18) | 323.27 (9) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 13.322813 (0.1) | 12.786 (0.2) | 13.323 (0.1) | ||||||
| Proper motion (declination) | [mas/yr] | 11.1483122 (0.08) | 10.576 (0.1) | 11.148 (0.09) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 14.17 (0.03) | |||||||||
| H magnitude | 13.55 (0.03) | |||||||||
| K magnitude | 13.27 (0.03) | |||||||||
| u magnitude | 19.36 (0.03) | 19.43 | 22.37 (0.4) | 19.43 (0.04) | 19.43 | 19.44 (0.04) | ||||
| g magnitude | 18.92 (0.009) | 19.04 | 18.47 (0.008) | 19.04 (0.1) | 19.04 | 19.04 (0.1) | ||||
| r magnitude | 19.31 (0.01) | 19.14 | 16.91 (0.005) | 19.14 (0.5) | 19.13 (0.5) | |||||
| i magnitude | 19.82 (0.03) | 19.33 | 16.01 (0.005) | 19.33 (1) | 19.32 (1) | |||||
| z magnitude | 20.03 (0.1) | 18.49 | 15.50 (0.006) | 18.49 (1) | 18.48 (1) | |||||
| G magnitude | 16.64 (0.02) | 16.66 | 16.64 (0.003) | |||||||
| BP magnitude | 17.68 (0.02) | 17.70 | ||||||||
| RP magnitude | 15.55 (0.005) | 15.56 | ||||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.029 | |||||||||
* 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.