All names: WISEA J183453.10+413757.9, TIC 289529085, Gaia EDR3 2110856544857391488, WD 1833+415, 2MASS J18345307+4137578, SDSS J183453.08+413757.7, Gaia DR2 2110856544857391488, WIRED J183453.07+413757.7, WISE J183453.10+413758.0, SDSS J183453.07+413757.7, SDSS J183453.07+413757.9, [SGR2010] J1834+4137
| 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) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 34 53.13 (0.2) | 18 34 53.07 | 18 34 53.13 (0.3) | 18 34 53.08 | 18 34 53.06 | 18 34 53.11 | 18 34 53.08 | |||
| Declination | 41 37 58.08 (0.2) | 41 37 57.71 | 41 37 58.07 (0.3) | 41 37 57.68 | 41 37 57.64 | 41 37 52.68 | 41 37 57.70 | |||
| Spectral type | DA+M | DA+M4 | DA5.2+M4 | DA+M | ||||||
| Effective temperature | [K] | 9619.0 (72) | 6524.0 (39) | |||||||
| log(g) | [cgs] | 8.42 (0.1) | 5.00 (0.001) | |||||||
| Mass | [M☉] | 0.87 (0.06) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 7.39 (0.2) | 7.56 (0.4) | |||||||
| Distance | [pc] | 135.31 (3) | 132.35 (7) | 108.00 (8) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 33.08875677 (0.2) | 32.74480522 (0.7) | |||||||
| Proper motion (declination) | [mas/yr] | 15.40965716 (0.2) | 16.59405098 (0.7) | |||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 14.08 (0.02) | |||||||||
| H magnitude | 13.49 (0.03) | |||||||||
| K magnitude | 13.19 (0.03) | |||||||||
| u magnitude | 18.35 (0.02) | 18.39 | 18.33 (0.02) | 18.33 | 18.39 (0.02) | |||||
| g magnitude | 17.70 (0.005) | 17.83 | 17.70 (0.005) | 17.70 | 17.83 (0.01) | |||||
| r magnitude | 17.14 (0.005) | 17.40 | 17.14 (0.005) | 17.14 | 17.40 (0.01) | |||||
| i magnitude | 16.12 (0.005) | 16.28 | 16.29 (0.006) | 16.29 | 16.28 (0.01) | |||||
| z magnitude | 15.44 (0.006) | 15.47 | 15.43 (0.006) | 15.43 | 15.47 (0.02) | |||||
| G magnitude | 17.05 (0.02) | 17.03 | ||||||||
| BP magnitude | 17.62 (0.02) | 17.56 | ||||||||
| RP magnitude | 15.65 (0.004) | 15.67 | ||||||||
| Pan g magnitude | 17.71 (0.005) | |||||||||
| Pan r magnitude | 17.32 (0.01) | |||||||||
| Pan i magnitude | 16.22 (0.007) | |||||||||
| Pan z magnitude | 15.59 (0.004) | |||||||||
| Pan y magnitude | 15.29 (0.006) | |||||||||
| E(B-V) | 0.019 | |||||||||
* 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.