All names: 2MASSI J0829035+231651, SDSS J082903.54+231651.0, WD 0826+234, Gaia DR2 677967532642946176, GALEX J082903.5+231651, Gaia DR3 677967532642946176, TIC 14706400, 2MASS J08290355+2316511, [SGR2010] J0829+2316, SDSS J082903.53+231651.0, Gaia EDR3 677967532642946176
| 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 | 08 29 03.49 (0.3) | 08 29 03.54 | 08 29 03.49 (0.3) | 08 29 03.53 | 08 29 03.55 (0.3) | 08 29 02.83 | |||
| Declination | 23 16 51.01 (0.2) | 23 16 51.01 | 23 16 51.01 (0.2) | 23 16 50.99 | 23 16 51.11 (0.2) | 23 16 46.56 | |||
| Spectral type | WD+M | D+M3 | 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] | 2.81 (0.3) | 0.23 (0.4) | 2.81 (0.3) | |||||
| Distance | [pc] | 355.77 (40) | 4272.81 (7656) | 2054.00 (655) | 355.77 (40) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -50.61138489 (0.3) | -55.48929061 (0.6) | -50.611 (0.3) | |||||
| Proper motion (declination) | [mas/yr] | -6.598370331 (0.2) | -6.301920446 (0.4) | -6.598 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 14.44 (0.002) | ||||||||
| H magnitude | 13.85 (0.03) | ||||||||
| K magnitude | 13.66 (0.04) | ||||||||
| u magnitude | 19.74 (0.03) | 19.79 | 19.78 (0.04) | 19.78 | |||||
| g magnitude | 18.79 (0.008) | 18.83 | 18.79 (0.009) | 18.82 | |||||
| r magnitude | 17.74 (0.006) | 17.76 | 17.74 (0.006) | 17.75 | |||||
| i magnitude | 16.54 (0.005) | 16.54 | 16.54 (0.005) | 16.53 | |||||
| z magnitude | 15.83 (0.006) | 15.82 | 15.83 (0.006) | 15.81 | |||||
| G magnitude | 17.26 (0.02) | 17.24 | 17.26 (0.004) | ||||||
| BP magnitude | 18.38 (0.02) | 18.40 | |||||||
| RP magnitude | 16.06 (0.005) | 16.06 | |||||||
| Pan g magnitude | 18.64 (0.006) | ||||||||
| Pan r magnitude | 17.73 (0.003) | ||||||||
| Pan i magnitude | 16.53 (0.002) | ||||||||
| Pan z magnitude | 15.95 (0.003) | ||||||||
| Pan y magnitude | 15.67 (0.005) | ||||||||
| E(B-V) | 0.022 | ||||||||
* 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.