All names: WD 0247-001, 2MASS J02495338+0005025, [SGR2010] J0249+0005, Gaia EDR3 2498188652799618816, TIC 10931671, Gaia DR3 2498188652799618816, SDSS J024953.38+000502.3, Gaia DR2 2498188652799618816, SDSS J024953.38+000502.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 49 53.44 (0.1) | 02 49 53.39 | 02 49 53.44 (0.2) | 02 49 53.38 | 02 49 53.37 (0.1) | 02 49 52.73 | |||
| Declination | 00 05 01.84 (0.1) | 00 05 02.29 | 00 05 01.86 (0.2) | 00 05 02.29 | 00 05 02.39 (0.1) | 00 05 05.28 | |||
| Spectral type | WD+M | D+M2 | WD M | ||||||
| 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] | 2.41 (0.1) | 2.52 (0.2) | 2.41 (0.1) | |||||
| Distance | [pc] | 415.74 (25) | 397.00 (31) | 415.75 (25) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 61.63596509 (0.2) | 62.43935229 (0.4) | 61.636 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | -34.46307978 (0.1) | -34.19843664 (0.4) | -34.463 (0.1) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.34 (0.04) | ||||||||
| H magnitude | 14.76 (0.007) | ||||||||
| K magnitude | 14.51 (0.01) | ||||||||
| u magnitude | 20.88 (0.06) | 20.67 | 20.68 (0.08) | 20.67 | |||||
| g magnitude | 19.49 (0.01) | 19.50 | 19.50 (0.01) | 19.50 | |||||
| r magnitude | 18.37 (0.008) | 18.35 | 18.36 (0.008) | 18.35 | |||||
| i magnitude | 17.28 (0.007) | 17.27 | 17.27 (0.006) | 17.27 | |||||
| z magnitude | 16.67 (0.01) | 16.65 | 16.64 (0.01) | 16.65 | |||||
| G magnitude | 17.94 (0.04) | 17.96 | 17.94 (0.003) | ||||||
| BP magnitude | 19.15 (0.04) | 19.12 | |||||||
| RP magnitude | 16.83 (0.01) | 16.84 | |||||||
| Pan g magnitude | 19.45 (0.03) | ||||||||
| Pan r magnitude | 18.37 (0.005) | ||||||||
| Pan i magnitude | 17.29 (0.003) | ||||||||
| Pan z magnitude | 16.77 (0.004) | ||||||||
| Pan y magnitude | 16.50 (0.01) | ||||||||
| E(B-V) | 0.030 | ||||||||
* 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.