All names: TIC 332250352, SDSS J121625.88+432833.2, WD 1213+437, GALEX J121625.9+432833, 2MASS J12162587+4328331, SDSS J121625.88+432833.1, [HHD2009] SDSS J1216+4328, LAMOST J121625.88+432833.1, WIRED J121625.88+432833.1, Gaia EDR3 1538311806295174016, Gaia DR2 1538311806295174016
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 16 25.83 (0.8) | 12 16 25.88 | 12 16 25.84 (1) | 12 16 25.88 | 12 16 25.88 | 12 16 25.88 | 12 16 25.54 | 12 16 25.88 | |||
| Declination | 43 28 32.90 (0.8) | 43 28 33.16 | 43 28 32.90 (0.9) | 43 28 33.10 | 43 28 33.16 | 43 28 33.16 | 43 28 26.04 | 43 28 33.16 | |||
| Spectral type | DB+M | DB+dM | DB:+M | DB d | DB+M | ||||||
| Effective temperature | [K] | 16601.0 (109) | 6300.0 (2) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.17 (0.06) | 8.95 (0.05) | 10.00 (0.003) | |||||||
| Mass | [M☉] | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | -2.60 (1) | |||||||||
| Distance | [pc] | 1207.00 (425) | |||||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -30.56575655 (0.9) | -6.0 (3) | -0.5 | |||||||
| Proper motion (declination) | [mas/yr] | -2.985413486 (1) | -5.0 (3) | -5.5 | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.82 (0.07) | ||||||||||
| H magnitude | 15.15 (0.1) | ||||||||||
| K magnitude | 15.04 (0.1) | ||||||||||
| u magnitude | 19.01 (0.02) | 19.06 | 19.01 (0.02) | 19.06 (0.03) | 19.06 | 19.07 (0.03) | |||||
| g magnitude | 18.89 (0.009) | 18.92 | 18.89 (0.009) | 18.92 (0.02) | 18.92 | 18.92 (0.02) | |||||
| r magnitude | 18.58 (0.009) | 18.67 | 18.57 (0.009) | 18.67 (0.01) | 18.67 | 18.67 (0.01) | |||||
| i magnitude | 17.72 (0.007) | 17.77 | 17.72 (0.007) | 17.77 (0.01) | 17.77 | 17.77 (0.01) | |||||
| z magnitude | 17.13 (0.01) | 17.20 | 17.13 (0.01) | 17.20 (0.03) | 17.20 | 17.17 (0.03) | |||||
| G magnitude | 18.59 (0.03) | 18.51 | |||||||||
| BP magnitude | 18.88 (0.03) | 18.86 | |||||||||
| RP magnitude | 17.32 (0.01) | 17.32 | |||||||||
| Pan g magnitude | 18.95 (0.007) | ||||||||||
| Pan r magnitude | 18.65 (0.02) | ||||||||||
| Pan i magnitude | 17.78 (0.006) | ||||||||||
| Pan z magnitude | 17.29 (0.004) | ||||||||||
| Pan y magnitude | 17.04 (0.007) | ||||||||||
| E(B-V) | 0.017 | ||||||||||
* 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.