All names: SDSS J025347.52+335220.9, Gaia DR3 136782854268191872, SDSS J025347.52+335221.0, TIC 77567927, Gaia DR2 136782854268191872, LAMOST J025347.51+335221.0, [SGR2010] J0253+3352, WD 0250+336, SDSS J025347.51+335220.9, SDSS J025347.51+335221.0, 2MASS J02534752+3352210, Gaia EDR3 136782854268191872
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 53 47.52 (0.1) | 02 53 47.52 | 02 53 47.52 (0.2) | 02 53 47.52 (0.1) | 02 53 47.26 | |||
| Declination | 33 52 20.98 (0.1) | 33 52 21.00 | 33 52 20.98 (0.2) | 33 52 20.99 (0.1) | 33 52 18.12 | |||
| Spectral type | DA+M2 | DA1.5+M2 | ||||||
| Effective temperature | [K] | |||||||
| log(g) | [cgs] | |||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.47 (0.2) | 1.56 (0.2) | 1.47 (0.2) | ||||
| Distance | [pc] | 678.77 (71) | 642.52 (94) | 678.75 (70) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -0.133147373 (0.2) | -1.078941008 (0.4) | -0.133 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -0.618364406 (0.2) | -0.438262398 (0.3) | -0.618 (0.2) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.23 (0.04) | |||||||
| H magnitude | 14.57 (0.05) | |||||||
| K magnitude | 14.35 (0.07) | |||||||
| u magnitude | 19.84 (0.04) | 19.84 (0.04) | 19.81 | |||||
| g magnitude | 18.95 (0.009) | 18.95 (0.009) | 18.95 | |||||
| r magnitude | 17.99 (0.007) | 17.98 (0.007) | 17.98 | |||||
| i magnitude | 17.10 (0.005) | 17.09 (0.005) | 17.09 | |||||
| z magnitude | 16.53 (0.009) | 16.52 (0.009) | 16.52 | |||||
| G magnitude | 17.72 (0.03) | 17.74 | 17.72 (0.003) | |||||
| BP magnitude | 18.68 (0.03) | 18.69 | ||||||
| RP magnitude | 16.72 (0.009) | 16.73 | ||||||
| Pan g magnitude | 18.87 (0.007) | |||||||
| Pan r magnitude | 18.04 (0.006) | |||||||
| Pan i magnitude | 17.15 (0.005) | |||||||
| Pan z magnitude | 16.66 (0.008) | |||||||
| Pan y magnitude | 16.42 (0.006) | |||||||
| E(B-V) | 0.092 | |||||||
* 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.