All names: 2MASS J15065759-0120220, Gaia DR3 4418388270787796992, SBC9 3381, TIC 20741985, Gaia DR2 4418388270787796992, Gaia EDR3 4418388270787796992, [SGR2010] J1506-0120, [HHD2009] SDSS J1506-0120, WD 1504-011, SDSS J150657.58-012021.7, WIRED J150657.58-012021.7, SDSS J150657.57-012021.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 06 57.54 (0.2) | 15 06 57.58 | 15 06 57.54 (0.2) | 15 06 57.58 | 15 06 57.58 (0.2) | 15 06 57.58 | 15 06 57.82 | 15 06 57.58 | ||||
| Declination | -01 20 21.76 (0.1) | -01 20 21.74 | -01 20 21.75 (0.2) | -01 20 21.70 | -01 20 21.68 (0.1) | -01 20 21.74 | -01 20 18.96 | -01 20 21.72 | ||||
| Spectral type | DA+M | DA+M | DA+M | DA dM | DA+M | DA | ||||||
| Effective temperature | [K] | 15601.0 (753) | 7757.0 (161) | 7321.0 (111) | ||||||||
| log(g) | [cgs] | 7.68 (0.2) | 6.26 (0.4) | 5.48 (0.2) | ||||||||
| Mass | [M☉] | 0.45 (0.09) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 2.91 (0.2) | 2.93 (0.2) | 2.91 (0.2) | ||||||||
| Distance | [pc] | 343.28 (21) | 341.49 (26) | 883.00 (157) | 343.28 (21) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -35.35199048 (0.3) | -35.59496671 (0.4) | -35.352 (0.3) | -28.0 | |||||||
| Proper motion (declination) | [mas/yr] | -4.66044036 (0.2) | -4.925651703 (0.4) | -4.66 (0.2) | -7.2 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.37 (0.1) | |||||||||||
| H magnitude | 15.71 (0.01) | |||||||||||
| K magnitude | 15.41 (0.02) | |||||||||||
| u magnitude | 19.60 (0.03) | 19.60 | 19.59 (0.03) | 19.60 (0.03) | 19.60 | 19.61 (0.03) | ||||||
| g magnitude | 19.06 (0.01) | 19.10 | 19.06 (0.01) | 19.10 (0.02) | 19.10 | 19.09 (0.02) | ||||||
| r magnitude | 18.91 (0.01) | 18.95 | 18.92 (0.01) | 18.95 (0.02) | 18.95 | 18.94 (0.02) | ||||||
| i magnitude | 18.23 (0.009) | 18.26 | 18.23 (0.01) | 18.26 (0.02) | 18.26 | 18.26 (0.02) | ||||||
| z magnitude | 17.63 (0.02) | 17.67 | 17.64 (0.02) | 17.67 (0.02) | 17.67 | 17.67 (0.02) | ||||||
| G magnitude | 18.60 (0.04) | 18.61 | 18.60 (0.004) | |||||||||
| BP magnitude | 19.01 (0.04) | 19.02 | ||||||||||
| RP magnitude | 17.80 (0.02) | 17.77 | ||||||||||
| Pan g magnitude | 19.07 (0.007) | |||||||||||
| Pan r magnitude | 18.97 (0.009) | |||||||||||
| Pan i magnitude | 18.26 (0.01) | |||||||||||
| Pan z magnitude | 17.75 (0.004) | |||||||||||
| Pan y magnitude | 17.48 (0.01) | |||||||||||
| E(B-V) | 0.076 | |||||||||||
* 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.