All names: Gaia DR3 1594439267847915776, Gaia EDR3 1594439267847915776, 2MASS J15285236+4920547, WISE J152852.33+492054.9, WISEA J152852.32+492054.9, SDSS J152852.32+492054.7, Gaia DR2 1594439267847915776, TIC 235557004, SDSS J152852.31+492054.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 28 52.32 (0.2) | 15 28 52.32 | 15 28 52.32 (0.3) | 15 28 52.32 | 15 28 52.34 (0.2) | 15 28 52.32 | |||
| Declination | 49 20 54.98 (0.2) | 49 20 54.82 | 49 20 54.97 (0.3) | 49 20 54.74 | 49 20 54.80 (0.2) | 49 20 54.74 | |||
| Spectral type | DA+M | M | DA+M | ||||||
| Effective temperature | [K] | 9958.0 (224) | 6300.0 (2) | ||||||
| log(g) | [cgs] | 8.26 (0.3) | 5.03 (0.04) | ||||||
| Mass | [M☉] | 0.77 (0.2) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 3.85 (0.2) | 4.35 (0.4) | 3.85 (0.2) | |||||
| Distance | [pc] | 260.00 (16) | 229.72 (19) | 280.00 (58) | 260.00 (16) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -15.62247529 (0.3) | -17.05913121 (0.5) | -15.622 (0.3) | |||||
| Proper motion (declination) | [mas/yr] | 11.0201839 (0.3) | 15.95432496 (0.7) | 11.02 (0.3) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.96 (0.09) | ||||||||
| H magnitude | 15.17 (0.1) | ||||||||
| K magnitude | 15.30 (0.2) | ||||||||
| u magnitude | 20.34 (0.05) | 20.30 | 20.34 (0.06) | 20.30 (0.06) | |||||
| g magnitude | 19.51 (0.01) | 19.55 | 19.52 (0.01) | 19.55 (0.03) | |||||
| r magnitude | 19.01 (0.01) | 19.03 | 19.01 (0.01) | 19.03 (0.02) | |||||
| i magnitude | 17.95 (0.008) | 18.00 | 17.95 (0.008) | 18.00 (0.02) | |||||
| z magnitude | 17.24 (0.02) | 17.29 | 17.24 (0.02) | 17.29 (0.02) | |||||
| G magnitude | 18.90 (0.04) | 18.79 | 18.89 (0.004) | ||||||
| BP magnitude | 19.47 (0.04) | 19.32 | |||||||
| RP magnitude | 17.50 (0.01) | 17.49 | |||||||
| Pan g magnitude | 19.53 (0.01) | ||||||||
| Pan r magnitude | 19.04 (0.01) | ||||||||
| Pan i magnitude | 17.98 (0.004) | ||||||||
| Pan z magnitude | 17.39 (0.002) | ||||||||
| Pan y magnitude | 17.11 (0.009) | ||||||||
| E(B-V) | 0.018 | ||||||||
* 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.