All names: Gaia EDR3 3683151506792800640, 2MASS J12384755-0219009, Gaia DR2 3683151506792800640, [SGR2010] J1238-0219, SDSS J123847.53-021900.8, TIC 51642921, SDSS J123847.53-021900.7, WD 1236-020, Gaia DR3 3683151506792800640
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 38 47.47 (0.09) | 12 38 47.54 | 12 38 47.47 (0.1) | 12 38 47.53 (0.09) | 12 38 47.18 | |||
| Declination | -02 19 00.85 (0.05) | -02 19 00.79 | -02 19 00.84 (0.08) | -02 19 00.69 (0.05) | -02 18 58.68 | |||
| Spectral type | DA | DA:+M3 | ||||||
| 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] | 2.35 (0.1) | 2.22 (0.1) | 2.35 (0.1) | ||||
| Distance | [pc] | 424.95 (17) | 450.30 (28) | 424.95 (17) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -59.09516979 (0.1) | -58.90124188 (0.3) | -59.095 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -9.536459739 (0.09) | -9.895449648 (0.1) | -9.536 (0.09) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.03 (0.04) | |||||||
| H magnitude | 14.41 (0.05) | |||||||
| K magnitude | 14.17 (0.08) | |||||||
| u magnitude | 20.41 (0.05) | 20.43 (0.05) | 20.43 | |||||
| g magnitude | 19.09 (0.01) | 19.08 (0.01) | 19.08 | |||||
| r magnitude | 18.01 (0.007) | 18.00 (0.007) | 18.00 | |||||
| i magnitude | 16.92 (0.005) | 16.91 (0.005) | 16.91 | |||||
| z magnitude | 16.29 (0.008) | 16.26 (0.009) | 16.26 | |||||
| G magnitude | 17.54 (0.02) | 17.57 | 17.54 (0.003) | |||||
| BP magnitude | 18.73 (0.02) | 18.71 | ||||||
| RP magnitude | 16.46 (0.007) | 16.47 | ||||||
| Pan g magnitude | 18.92 (0.009) | |||||||
| Pan r magnitude | 18.02 (0.006) | |||||||
| Pan i magnitude | 16.92 (0.005) | |||||||
| Pan z magnitude | 16.40 (0.002) | |||||||
| Pan y magnitude | 16.15 (0.004) | |||||||
| 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.