All names: WD 1519+611, [HHD2009] SDSS J1520+6100, SDSS J152054.28+610047.1, SDSS J152054.29+610047.1, SDSS J152054.27+610047.0, WIRED J152054.28+610047.1, Gaia DR2 1616268211496435840, Gaia EDR3 1616268211496435840, 2MASS J15205429+6100469, TIC 202503797, Gaia DR3 1616268211496435840
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 20 54.20 (0.2) | 15 20 54.27 | 15 20 54.20 (0.2) | 15 20 54.28 | 15 20 54.28 (0.2) | 15 20 54.28 | 15 20 53.93 | 15 20 54.29 | |||
| Declination | 61 00 47.05 (0.1) | 61 00 47.03 | 61 00 47.05 (0.2) | 61 00 47.09 | 61 00 47.06 (0.1) | 61 00 47.11 | 61 00 41.40 | 61 00 47.13 | |||
| Spectral type | DC+M | DC+dMe | DC+M | DC dM | DCM | ||||||
| Effective temperature | [K] | 6300.0 (2) | 6300.0 (3) | ||||||||
| log(g) | [cgs] | 8.96 (0.05) | 10.00 (0.003) | ||||||||
| Mass | [M☉] | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 2.58 (0.2) | 2.46 (0.2) | 2.58 (0.2) | |||||||
| Distance | [pc] | 387.69 (26) | 406.21 (35) | 387.69 (26) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -35.58079533 (0.2) | -35.1389582 (0.5) | -35.581 (0.2) | -32.4 | ||||||
| Proper motion (declination) | [mas/yr] | -0.504710972 (0.2) | -0.183246472 (0.4) | -0.505 (0.2) | -4.4 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | |||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.99 (0.09) | ||||||||||
| H magnitude | 15.36 (0.1) | ||||||||||
| K magnitude | 15.02 (0.1) | ||||||||||
| u magnitude | 19.87 (0.04) | 19.86 | 19.86 (0.04) | 19.86 (0.04) | 19.86 | 19.87 (0.04) | |||||
| g magnitude | 19.59 (0.01) | 19.62 | 19.59 (0.01) | 19.62 (0.03) | 19.62 | 19.63 (0.03) | |||||
| r magnitude | 19.14 (0.01) | 19.15 | 19.14 (0.01) | 19.15 (0.02) | 19.15 | 19.16 (0.02) | |||||
| i magnitude | 18.13 (0.009) | 18.12 | 18.13 (0.009) | 18.12 (0.02) | 18.13 | 18.13 (0.02) | |||||
| z magnitude | 17.42 (0.02) | 17.43 | 17.42 (0.01) | 17.43 (0.02) | 17.43 | 17.44 (0.02) | |||||
| G magnitude | 18.69 (0.03) | 18.72 | 18.69 (0.003) | ||||||||
| BP magnitude | 19.46 (0.03) | 19.43 | |||||||||
| RP magnitude | 17.70 (0.01) | 17.67 | |||||||||
| Pan g magnitude | 19.54 (0.02) | ||||||||||
| Pan r magnitude | 19.16 (0.008) | ||||||||||
| Pan i magnitude | 18.16 (0.005) | ||||||||||
| Pan z magnitude | 17.55 (0.004) | ||||||||||
| Pan y magnitude | 17.21 (0.009) | ||||||||||
| E(B-V) | 0.019 | ||||||||||
* 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.