All names: [SGR2010] J1225+0103, SDSS J122553.02+010356.1, TIC 377249742, Gaia DR3 3699877415108299264, Gaia DR2 3699877415108299264, Gaia EDR3 3699877415108299264, 2MASS J12255302+0103563, WD 1223+013
| 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 25 52.99 (0.2) | 12 25 53.03 | 12 25 52.99 (0.3) | 12 25 53.02 | 12 25 53.02 (0.2) | 12 25 52.61 | 12 25 53.02 | |||
| Declination | 01 03 56.27 (0.2) | 01 03 56.16 | 01 03 56.26 (0.2) | 01 03 56.12 | 01 03 56.22 (0.2) | 01 03 53.64 | 01 03 56.13 | |||
| Spectral type | DA+M | DA+M5 | DA5.9+M5 | DA+M | ||||||
| Effective temperature | [K] | 8573.0 (186) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.34 (0.3) | 10.00 (0.003) | |||||||
| Mass | [M☉] | 0.82 (0.2) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 2.88 (0.3) | 2.55 (0.3) | 2.88 (0.3) | ||||||
| Distance | [pc] | 346.76 (32) | 392.41 (54) | 265.00 (54) | 346.75 (32) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -31.79049511 (0.3) | -30.7074181 (0.9) | -31.79 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | 2.69056268 (0.2) | 2.530688077 (0.5) | 2.691 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.59 (0.2) | |||||||||
| H magnitude | 15.95 (0.2) | |||||||||
| K magnitude | 15.41 (0.2) | |||||||||
| u magnitude | 20.73 (0.06) | 20.71 | 20.72 (0.06) | 20.72 | 20.71 (0.06) | |||||
| g magnitude | 20.08 (0.02) | 20.08 | 20.07 (0.02) | 20.07 | 20.08 (0.02) | |||||
| r magnitude | 19.66 (0.02) | 19.65 | 19.65 (0.02) | 19.65 | 19.65 (0.02) | |||||
| i magnitude | 18.74 (0.01) | 18.73 | 18.73 (0.01) | 18.73 | 18.73 (0.02) | |||||
| z magnitude | 18.02 (0.02) | 18.00 | 18.00 (0.02) | 18.00 | 18.00 (0.02) | |||||
| G magnitude | 19.21 (0.05) | 19.24 | 19.21 (0.004) | |||||||
| BP magnitude | 20.00 (0.05) | 19.91 | ||||||||
| RP magnitude | 18.25 (0.02) | 18.20 | ||||||||
| Pan g magnitude | 20.03 (0.01) | |||||||||
| Pan r magnitude | 19.66 (0.007) | |||||||||
| Pan i magnitude | 18.74 (0.007) | |||||||||
| Pan z magnitude | 18.12 (0.008) | |||||||||
| Pan y magnitude | 17.80 (0.01) | |||||||||
| E(B-V) | 0.024 | |||||||||
* 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.