All names: WISEA J125944.56+154455.1, WD 1257+160, WIRED J125944.59+154456.2, SDSS J125944.59+154456.2, WISE J125944.57+154455.2, Gaia EDR3 3931279949391003392, Gaia DR2 3931279949391003392, [HHD2009] SDSS J1259+1544, SDSS J125944.60+154456.2, 2MASS J12594461+1544558, USNO-B1.0 1057-00225600, TIC 88136762, ULAS J125944.59+154455.2
| 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 59 44.53 (0.4) | 12 59 44.59 | 12 59 44.53 (0.4) | 12 59 44.59 | 12 59 44.62 (153) | 12 59 43.97 | 12 59 44.60 | |||
| Declination | 15 44 55.43 (0.3) | 15 44 56.25 | 15 44 55.47 (0.3) | 15 44 56.18 | 15 44 56.52 (183) | 15 44 50.28 | 15 44 56.23 | |||
| Spectral type | DA+M | DA+M | DA4.6 | DA+M | ||||||
| Effective temperature | [K] | 10670.0 (116) | 9459.0 (51) | |||||||
| log(g) | [cgs] | 8.01 (0.1) | 7.31 (0.1) | |||||||
| Mass | [M☉] | 0.61 (0.06) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.14 (0.5) | 4.51 (0.5) | |||||||
| Distance | [pc] | 318.69 (51) | 221.62 (27) | 147.00 (21) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -71.46186347 (0.6) | -63.76750491 (1) | -60.0 (4) | ||||||
| Proper motion (declination) | [mas/yr] | -76.27545986 (0.5) | -73.92012562 (0.7) | -78.0 (5) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | 18.00 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 17.90 | |||||||||
| I magnitude | ||||||||||
| J magnitude | 15.74 (0.06) | |||||||||
| H magnitude | 15.16 (0.08) | |||||||||
| K magnitude | 15.15 (0.1) | |||||||||
| u magnitude | 18.66 (0.02) | 18.66 | 18.66 (0.02) | 18.66 | 18.69 (0.03) | |||||
| g magnitude | 18.16 (0.006) | 18.21 | 18.18 (0.007) | 18.21 | 18.23 (0.03) | |||||
| r magnitude | 18.15 (0.007) | 18.23 | 18.16 (0.008) | 18.23 | 18.26 (0.04) | |||||
| i magnitude | 17.66 (0.007) | 17.75 | 17.64 (0.009) | 17.75 | 17.76 (0.02) | |||||
| z magnitude | 17.08 (0.01) | 17.17 | 17.07 (0.01) | 17.17 | 17.17 (0.02) | |||||
| G magnitude | 18.26 (0.02) | 18.28 | ||||||||
| BP magnitude | 18.23 (0.02) | 18.20 | ||||||||
| RP magnitude | 17.27 (0.02) | 17.26 | ||||||||
| Pan g magnitude | 18.18 (0.004) | |||||||||
| Pan r magnitude | 18.19 (0.006) | |||||||||
| Pan i magnitude | 17.78 (0.01) | |||||||||
| Pan z magnitude | 17.26 (0.006) | |||||||||
| Pan y magnitude | 16.92 (0.01) | |||||||||
| E(B-V) | 0.023 | |||||||||
* 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.