All names: SDSS J082807.90-052045.5, TIC 169170169, WD 0825-051, Gaia EDR3 3065171958468865536, Gaia DR2 3065171958468865536, SDSS J082807.91-052045.5, 2MASS J08280792-0520453, GALEX J082807.8-052044, Gaia DR3 3065171958468865536, [SGR2010] J0828-0520
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 28 07.90 (0.3) | 08 28 07.91 | 08 28 07.90 (0.3) | 08 28 07.91 (0.3) | 08 28 07.80 | |||
| Declination | -05 20 45.50 (0.2) | -05 20 45.51 | -05 20 45.50 (0.4) | -05 20 45.46 (0.2) | -05 20 41.28 | |||
| Spectral type | D+M2 | WD+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] | 1.12 (0.3) | 2.63 (0.4) | 1.12 (0.3) | ||||
| Distance | [pc] | 890.22 (258) | 379.70 (63) | 890.23 (258) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -7.129279796 (0.4) | -7.530317642 (0.7) | -7.129 (0.4) | ||||
| Proper motion (declination) | [mas/yr] | -2.559142317 (0.3) | -4.264425222 (0.9) | -2.559 (0.3) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.91 (0.07) | |||||||
| H magnitude | 15.24 (0.06) | |||||||
| K magnitude | 14.98 (0.1) | |||||||
| u magnitude | 20.27 (0.05) | 20.27 (0.06) | 20.26 | |||||
| g magnitude | 19.53 (0.01) | 19.52 (0.01) | 19.52 | |||||
| r magnitude | 18.60 (0.009) | 18.60 (0.01) | 18.60 | |||||
| i magnitude | 17.69 (0.008) | 17.70 (0.008) | 17.70 | |||||
| z magnitude | 17.17 (0.01) | 17.16 (0.01) | 17.16 | |||||
| G magnitude | 18.40 (0.04) | 18.38 | 18.40 (0.005) | |||||
| BP magnitude | 19.25 (0.04) | 19.21 | ||||||
| RP magnitude | 17.30 (0.01) | 17.32 | ||||||
| Pan g magnitude | 19.50 (0.003) | |||||||
| Pan r magnitude | 18.59 (0.005) | |||||||
| Pan i magnitude | 17.70 (0.006) | |||||||
| Pan z magnitude | 17.30 (0.006) | |||||||
| Pan y magnitude | 17.10 (0.009) | |||||||
| 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.