All names: NLTT 5502, SDSS J013851.47-001621.7, Gaia DR3 2509786614982022016, 0136-005, WISEA J013851.64-001621.4, SDSS J013851.46-001621.7, 2MASS J01385138-0016218, TIC 241444875, SDSS J013851.49-001621.6, LP 588-25, SDSS J013851.54-001621.6, Gaia EDR3 2509786614982022016, Gaia DR2 2509786614982022016
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Leggett et al. 2018 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 38 51.77 (0.06) | 01 38 51.50 | 01 38 51.75 (0.2) | 01 38 51.54 | 01 38 51.41 (0.06) | ||||
| Declination | -00 16 21.31 (0.04) | -00 16 21.65 | -00 16 21.33 (0.1) | -00 16 21.61 | -00 16 21.89 (0.04) | ||||
| Spectral type | WD+M | M6V | |||||||
| 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] | 20.36 (0.07) | 22.08 (0.7) | 20.09 (0.3) | 20.36 (0.07) | ||||
| Distance | [pc] | 49.12 (0.2) | 45.29 (1) | 49.79 (0.8) | 49.12 (0.2) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 333.4323098 (0.08) | 332.804 (0.4) | 333.432 (0.08) | |||||
| Proper motion (declination) | [mas/yr] | 35.97684333 (0.05) | 35.351 (0.2) | 35.977 (0.05) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | 18.14 | ||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 13.15 (0.02) | ||||||||
| H magnitude | 12.62 (0.03) | ||||||||
| K magnitude | 12.36 (0.03) | ||||||||
| u magnitude | 20.92 (0.06) | 20.92 | 20.92 (0.06) | ||||||
| g magnitude | 19.04 (0.01) | 19.04 | 19.04 (0.01) | ||||||
| r magnitude | 17.70 (0.007) | 17.70 | 17.70 (0.007) | ||||||
| i magnitude | 15.89 (0.006) | 15.89 | 15.89 (0.006) | ||||||
| z magnitude | 14.77 (0.006) | 14.77 | 14.77 (0.006) | ||||||
| G magnitude | 16.43 (0.02) | 16.39 | 16.43 (0.005) | ||||||
| BP magnitude | 18.39 (0.02) | 18.35 | |||||||
| RP magnitude | 15.08 (0.01) | 15.03 | |||||||
| Pan g magnitude | 18.81 (0.02) | ||||||||
| Pan r magnitude | 17.61 (0.01) | ||||||||
| Pan i magnitude | 15.74 (0.03) | ||||||||
| Pan z magnitude | 14.89 (0.03) | ||||||||
| Pan y magnitude | 14.48 (0.01) | ||||||||
| E(B-V) | 0.001 | ||||||||
* 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.