All names: [HHD2009] SDSS J1211+4155, CSO 1282, WIRED J121119.40+415555.3, Gaia EDR3 1536668040707257728, SDSS J121119.40+415555.3, WD 1208+422, 2MASS J12111941+4155553, SDSS J121119.41+415555.3, TIC 9453959
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | 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 11 19.38 (0.2) | 12 11 19.41 | 12 11 19.40 | 12 11 19.41 (70) | 12 11 19.41 | 12 11 19.10 | 12 11 19.41 | |||
| Declination | 41 55 55.49 (0.2) | 41 55 55.31 | 41 55 55.31 | 41 55 55.38 (70) | 41 55 55.32 | 41 55 49.08 | 41 55 55.32 | |||
| Spectral type | DA+M | DA+dMe | DA+M | DA dM | DA+M | |||||
| Effective temperature | [K] | 30419.0 (490) | 6355.0 (40) | 6301.0 (5) | ||||||
| log(g) | [cgs] | 7.86 (0.1) | 6.97 (0.1) | 5.01 (0.02) | ||||||
| Mass | [M☉] | 0.58 (0.06) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 1.67 (0.4) | ||||||||
| Distance | [pc] | 599.59 (132) | 514.00 (26) | |||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -5.681622342 (0.3) | -4.0 (3) | -2.7 | ||||||
| Proper motion (declination) | [mas/yr] | 15.03196111 (0.4) | 7.0 (3) | 6.8 | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.58 (0.07) | |||||||||
| H magnitude | 14.82 (0.08) | |||||||||
| K magnitude | 14.82 (0.1) | |||||||||
| u magnitude | 18.06 (0.01) | 18.09 | 18.08 (0.01) | 18.09 (0.02) | 18.09 | 18.07 (0.02) | ||||
| g magnitude | 18.04 (0.006) | 18.08 | 18.04 (0.006) | 18.08 (0.02) | 18.08 | 18.06 (0.02) | ||||
| r magnitude | 17.75 (0.006) | 17.79 | 17.74 (0.006) | 17.80 (0.02) | 17.80 | 17.79 (0.02) | ||||
| i magnitude | 17.15 (0.006) | 17.20 | 17.15 (0.005) | 17.20 (0.01) | 17.20 | 17.19 (0.01) | ||||
| z magnitude | 16.72 (0.009) | 16.76 | 16.72 (0.009) | 16.76 (0.02) | 16.76 | 16.74 (0.02) | ||||
| G magnitude | 18.01 (0.01) | |||||||||
| BP magnitude | 18.00 (0.01) | |||||||||
| RP magnitude | 16.77 (0.005) | |||||||||
| Pan g magnitude | 18.12 (0.01) | |||||||||
| Pan r magnitude | 17.81 (0.02) | |||||||||
| Pan i magnitude | 17.18 (0.005) | |||||||||
| Pan z magnitude | 16.85 (0.009) | |||||||||
| Pan y magnitude | 16.66 (0.009) | |||||||||
| 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.