All names: TIC 350316506, Gaia DR3 583017522392120064, SDSS J084518.67+055911.8, Gaia EDR3 583017522392120064, 2MASS J08451867+0559116, SDSS J084518.66+055911.7, Gaia DR2 583017522392120064, WISEA J084518.67+055911.6, WISE J084518.67+055911.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 45 18.67 (0.06) | 08 45 18.66 | 08 45 18.67 (0.09) | 08 45 18.67 | 08 45 18.66 (0.06) | 08 45 18.67 | |||
| Declination | 05 59 11.44 (0.04) | 05 59 11.74 | 05 59 11.45 (0.07) | 05 59 11.76 | 05 59 11.74 (0.04) | 05 59 11.75 | |||
| Spectral type | DA+M | M2V | DA+M | ||||||
| Effective temperature | [K] | 18756.0 (689) | 6300.0 (3) | ||||||
| log(g) | [cgs] | 8.07 (0.1) | 5.00 (0.004) | ||||||
| Mass | [M☉] | 0.66 (0.09) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 3.21 (0.08) | 3.65 (0.1) | 3.21 (0.08) | |||||
| Distance | [pc] | 311.20 (8) | 274.07 (9) | 407.00 (40) | 311.20 (8) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 8.83441584 (0.08) | 7.03781432 (0.2) | 8.834 (0.08) | |||||
| Proper motion (declination) | [mas/yr] | -18.57043592 (0.06) | -16.4640888 (0.2) | -18.57 (0.06) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 14.06 (0.04) | ||||||||
| H magnitude | 13.49 (0.03) | ||||||||
| K magnitude | 13.24 (0.04) | ||||||||
| u magnitude | 18.89 (0.02) | 19.53 | 18.89 (0.02) | 19.53 (0.04) | |||||
| g magnitude | 17.84 (0.005) | 18.04 | 17.84 (0.005) | 18.04 (0.02) | |||||
| r magnitude | 16.76 (0.004) | 16.88 | 16.76 (0.004) | 16.88 (0.01) | |||||
| i magnitude | 15.86 (0.004) | 15.93 | 15.86 (0.004) | 15.93 (0.02) | |||||
| z magnitude | 15.30 (0.005) | 15.37 | 15.30 (0.005) | 15.37 (0.02) | |||||
| G magnitude | 16.62 (0.02) | 16.63 | 16.62 (0.003) | ||||||
| BP magnitude | 17.60 (0.02) | 17.66 | |||||||
| RP magnitude | 15.49 (0.005) | 15.52 | |||||||
| Pan g magnitude | 17.88 (0.02) | ||||||||
| Pan r magnitude | 16.88 (0.005) | ||||||||
| Pan i magnitude | 15.93 (0.003) | ||||||||
| Pan z magnitude | 15.51 (0.006) | ||||||||
| Pan y magnitude | 15.28 (0.005) | ||||||||
| E(B-V) | 0.023 | ||||||||
* 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.