All names: GALEX J130012.5+190857, WISE J130012.45+190857.2, TIC 149536476, Gaia DR3 3941505918629413248, Gaia EDR3 3941505918629413248, WD 1257+194, 2MASS J13001250+1908571, Gaia DR2 3941505918629413248, SDSS J130012.48+190857.3, WISEA J130012.45+190857.2, SDSS J130012.49+190857.4, SBC9 3370
| 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 | 13 00 12.44 (0.1) | 13 00 12.48 | 13 00 12.45 (0.1) | 13 00 12.49 | 13 00 12.51 (0.1) | 13 00 11.81 | 13 00 12.49 | |||
| Declination | 19 08 57.55 (0.09) | 19 08 57.38 | 19 08 57.54 (0.1) | 19 08 57.41 | 19 08 57.24 (0.09) | 19 08 51.00 | 19 08 57.41 | |||
| Spectral type | DA+M | DA+M4 | DA5.8+M4 | DA+M | ||||||
| Effective temperature | [K] | 8673.0 (121) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.81 (0.2) | 10.00 (0.003) | |||||||
| Mass | [M☉] | 1.09 (0.1) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.97 (0.2) | 4.04 (0.2) | 3.97 (0.2) | ||||||
| Distance | [pc] | 252.00 (11) | 247.66 (11) | 124.00 (21) | 252.00 (11) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -56.24967767 (0.2) | -56.34824017 (0.3) | -56.25 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | 19.94214212 (0.2) | 19.9429676 (0.2) | 19.942 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.53 (0.06) | |||||||||
| H magnitude | 15.06 (0.06) | |||||||||
| K magnitude | 14.72 (0.08) | |||||||||
| u magnitude | 19.92 (0.04) | 19.85 | 19.90 (0.04) | 19.90 | 19.85 (0.04) | |||||
| g magnitude | 19.18 (0.01) | 19.22 | 19.20 (0.01) | 19.20 | 19.22 (0.02) | |||||
| r magnitude | 18.70 (0.01) | 18.68 | 18.69 (0.009) | 18.69 | 18.68 (0.02) | |||||
| i magnitude | 17.66 (0.007) | 17.66 | 17.67 (0.007) | 17.67 | 17.66 (0.02) | |||||
| z magnitude | 16.90 (0.01) | 16.89 | 16.90 (0.009) | 16.90 | 16.89 (0.02) | |||||
| G magnitude | 18.18 (0.03) | 18.20 | 18.18 (0.003) | |||||||
| BP magnitude | 19.08 (0.03) | 19.12 | ||||||||
| RP magnitude | 17.17 (0.007) | 17.18 | ||||||||
| Pan g magnitude | 19.14 (0.009) | |||||||||
| Pan r magnitude | 18.66 (0.009) | |||||||||
| Pan i magnitude | 17.66 (0.007) | |||||||||
| Pan z magnitude | 17.04 (0.007) | |||||||||
| Pan y magnitude | 16.73 (0.007) | |||||||||
| 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.