All names: LSPM J1200+1146, WD 1157+120, Gaia DR2 3918674765837199232, Gaia EDR3 3918674765837199232, LP 494-14, SDSS J120018.05+114648.3, WISEA J120017.99+114647.1, NLTT 29249, Gaia DR3 3918674765837199232, TIC 396950373, WISE J120017.99+114647.3, USNO-B1.0 1017-00216636, 2MASS J12001806+1146488
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 12 00 17.94 (0.1) | 12 00 17.95 (0.1) | 12 00 18.08 (0.1) | 12 00 17.81 | |||
| Declination | 11 46 46.14 (0.1) | 11 46 46.22 (0.08) | 11 46 48.83 (0.1) | 11 46 53.76 | |||
| Spectral type | ? | ||||||
| Effective temperature | [K] | ||||||
| log(g) | [cgs] | ||||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 1.60 (0.2) | 1.48 (0.2) | 1.60 (0.2) | |||
| Distance | [pc] | 626.87 (60) | 675.48 (81) | 626.88 (60) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -121.1276992 (0.1) | -120.9942381 (0.3) | -121.128 (0.1) | |||
| Proper motion (declination) | [mas/yr] | -168.0056367 (0.1) | -167.9631658 (0.2) | -168.006 (0.1) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 18.90 | ||||||
| V magnitude | |||||||
| R magnitude | 17.40 | ||||||
| I magnitude | |||||||
| J magnitude | 15.86 (0.09) | ||||||
| H magnitude | 15.30 (0.1) | ||||||
| K magnitude | 15.30 (0.2) | ||||||
| u magnitude | 20.60 (0.09) | ||||||
| g magnitude | 18.68 (0.009) | ||||||
| r magnitude | 17.67 (0.006) | ||||||
| i magnitude | 17.25 (0.006) | ||||||
| z magnitude | 17.02 (0.01) | ||||||
| G magnitude | 17.68 (0.01) | 17.70 | 17.68 (0.003) | ||||
| BP magnitude | 18.34 (0.01) | 18.37 | |||||
| RP magnitude | 16.90 (0.006) | 16.90 | |||||
| Pan g magnitude | 18.56 (0.008) | ||||||
| Pan r magnitude | 17.67 (0.005) | ||||||
| Pan i magnitude | 17.28 (0.003) | ||||||
| Pan z magnitude | 17.09 (0.008) | ||||||
| Pan y magnitude | 16.97 (0.02) | ||||||
| E(B-V) | 0.022 | ||||||
* 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.