All names: WD 1211+368, Gaia DR3 4030304436193888512, 2MASS J12135686+3635310, LAMOST J121356.86+363531.0, TIC 9461861, SDSS J121356.86+363531.0, SDSS J121356.87+363531.0, Gaia EDR3 4030304436193888512, Gaia DR2 4030304436193888512, GALEX J121356.9+363531
| 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 | 12 13 56.84 (0.1) | 12 13 56.86 | 12 13 56.84 (0.3) | 12 13 56.86 | 12 13 56.87 (0.1) | 12 13 57.00 | 12 13 56.87 | |||
| Declination | 36 35 30.97 (0.1) | 36 35 31.03 | 36 35 30.97 (0.2) | 36 35 30.98 | 36 35 30.96 (0.1) | 36 35 25.44 | 36 35 31.03 | |||
| Spectral type | DA+M | DA+M | DA1.6 M | DA+M | ||||||
| Effective temperature | [K] | 31853.0 (387) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 7.43 (0.1) | 5.00 (0.004) | |||||||
| Mass | [M☉] | 0.41 (0.03) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 2.28 (0.1) | 3.00 (0.3) | 2.28 (0.1) | ||||||
| Distance | [pc] | 439.54 (26) | 333.16 (35) | 564.00 (166) | 439.54 (26) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -21.06941718 (0.1) | -20.91006448 (0.5) | -21.069 (0.1) | ||||||
| Proper motion (declination) | [mas/yr] | 0.616063993 (0.1) | 0.304254529 (0.5) | 0.616 (0.1) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 14.39 (0.03) | |||||||||
| H magnitude | 13.78 (0.04) | |||||||||
| K magnitude | 13.56 (0.04) | |||||||||
| u magnitude | 17.76 (0.01) | 17.79 | 17.80 (0.01) | 17.79 | 17.80 (0.01) | |||||
| g magnitude | 17.42 (0.005) | 17.46 | 17.41 (0.005) | 17.46 | 17.48 (0.03) | |||||
| r magnitude | 16.72 (0.004) | 16.74 | 16.72 (0.004) | 16.73 | 16.74 (0.02) | |||||
| i magnitude | 16.02 (0.004) | 16.03 | 16.02 (0.004) | 16.02 | 16.04 (0.02) | |||||
| z magnitude | 15.61 (0.006) | 15.62 | 15.61 (0.006) | 15.61 | 15.62 (0.01) | |||||
| G magnitude | 16.75 (0.008) | 16.66 | 16.75 (0.003) | |||||||
| BP magnitude | 17.20 (0.008) | 17.20 | ||||||||
| RP magnitude | 15.62 (0.004) | 15.64 | ||||||||
| Pan g magnitude | 17.40 (0.006) | |||||||||
| Pan r magnitude | 16.75 (0.003) | |||||||||
| Pan i magnitude | 16.04 (0.003) | |||||||||
| Pan z magnitude | 15.69 (0.004) | |||||||||
| Pan y magnitude | 15.51 (0.005) | |||||||||
| E(B-V) | 0.018 | |||||||||
* 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.