All names: 2MASS J16255294+6400247, WD 1625+641, SDSS J162552.91+640024.9, TIC 334753593, Gaia DR2 1629033335337458048, Gaia EDR3 1629033335337458048, SBC9 3392, WIRED J162552.91+640024.9, [SGR2010] J1625+6400, GALEX J162552.9+640024, Gaia DR3 1629033335337458048
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 25 52.88 (0.1) | 16 25 52.91 | 16 25 52.88 (0.2) | 16 25 52.91 | 16 25 52.93 (0.1) | 16 25 52.92 | 16 25 52.91 | ||||
| Declination | 64 00 24.99 (0.1) | 64 00 24.90 | 64 00 24.99 (0.2) | 64 00 24.91 | 64 00 24.82 (0.1) | 64 00 19.08 | 64 00 24.92 | ||||
| Spectral type | DA+M | DA+M6 | DA5.7+M6 | DA+M | DA | ||||||
| Effective temperature | [K] | 8773.0 (76) | 6920.0 (44) | ||||||||
| log(g) | [cgs] | 8.30 (0.1) | 5.01 (0.02) | ||||||||
| Mass | [M☉] | 0.79 (0.1) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 5.37 (0.1) | 5.41 (0.2) | 5.37 (0.1) | |||||||
| Distance | [pc] | 186.12 (4) | 184.90 (5) | 155.00 (17) | 186.12 (4) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -19.20107233 (0.2) | -19.24264994 (0.3) | -19.201 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | 10.51580335 (0.2) | 10.534846 (0.3) | 10.516 (0.2) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | yes | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.89 (0.09) | ||||||||||
| H magnitude | 15.28 (0.1) | ||||||||||
| K magnitude | 14.89 (0.1) | ||||||||||
| u magnitude | 19.50 (0.03) | 19.52 | 19.52 (0.04) | 19.51 | 19.52 (0.04) | ||||||
| g magnitude | 19.08 (0.01) | 19.10 | 19.10 (0.03) | 19.09 | 19.10 (0.03) | ||||||
| r magnitude | 18.90 (0.01) | 18.90 | 18.90 (0.01) | 18.91 | 18.90 (0.02) | ||||||
| i magnitude | 18.31 (0.01) | 18.30 | 18.30 (0.02) | 18.31 | 18.30 (0.02) | ||||||
| z magnitude | 17.56 (0.02) | 17.56 | 17.56 (0.02) | 17.56 | 17.56 (0.02) | ||||||
| G magnitude | 18.56 (0.02) | 18.58 | 18.56 (0.003) | ||||||||
| BP magnitude | 19.10 (0.02) | 19.10 | |||||||||
| RP magnitude | 17.78 (0.01) | 17.74 | |||||||||
| Pan g magnitude | 19.05 (0.007) | ||||||||||
| Pan r magnitude | 18.92 (0.006) | ||||||||||
| Pan i magnitude | 18.30 (0.006) | ||||||||||
| Pan z magnitude | 17.68 (0.005) | ||||||||||
| Pan y magnitude | 17.30 (0.01) | ||||||||||
| E(B-V) | 0.016 | ||||||||||
* 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.