All names: G 202-49, LSPM J1626+4738, WD 1624+477, GALEX J162613.9+473841, Gaia DR2 1410897688745546752, EGGR 574, WDJ162614.03+473840.58, Gaia DR3 1410897688745546752, NLTT 42827, G202-49, USNO-B1.0 1376-00328493, SDSS J162614.00+473840.8, SDSS J162614.00+473840.9, WIRED J162614.00+473840.8, SDSS J162614.01+473840.9, SDSS J162614.01+473840.6, SDSS J162614.01+473840.8, Gaia EDR3 1410897688745546752, WD 1624+47, J1626+4738
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Gianninas et al. 2011 | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 26 13.78 (0.05) | 16 26 14.02 | 16 26 13.78 (0.06) | 16 26 13.78 | 16 26 14.03 (0.05) | 16 26 13.78 | 16 26 14.01 | 16 26 14.52 | 16 26 14.01 | |||||||||
| Declination | 47 38 44.48 (0.05) | 47 38 40.68 | 47 38 44.36 (0.06) | 47 38 44.48 | 47 38 40.59 (0.05) | 47 38 44.36 | 47 38 40.88 | 47 38 30.48 | 47 38 40.88 | |||||||||
| Spectral type | DA | DA | DA | DA | DA5.5 | DA | DA_auto | DA6 | DA | DA | ||||||||
| Effective temperature | [K] | 8646.0 (38) | 8513.0 | 8401.0 | 9170.0 (147) | 9250.0 (20) | 8746.0 (59) | 9154.0 (17) | 9088.0 (18) | |||||||||
| log(g) | [cgs] | 7.47 (0.009) | 7.44 | 7.36 | 8.07 (0.1) | 8.37 (0.03) | 7.51 (0.01) | 8.39 (0.02) | 8.29 (0.02) | |||||||||
| Mass | [M☉] | 0.341 (0.004) | 0.327 | 0.282 | 0.64 (0.07) | 0.83 (0.02) | 0.355 (0.007) | 0.771 (0.01) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||||
| Cooling age | [Gyr] | 0.5000 | 0.5153 | 0.5232 | 1.3490 | |||||||||||||
| log(H/He) | ||||||||||||||||||
| log(C/He) | ||||||||||||||||||
| log(Ca/He) | ||||||||||||||||||
| log(Ca/H) | ||||||||||||||||||
| log(C/H) | ||||||||||||||||||
| log(N/H) | ||||||||||||||||||
| log(O/H) | ||||||||||||||||||
| log(Na/H) | ||||||||||||||||||
| log(Mg/H) | ||||||||||||||||||
| log(Al/H) | ||||||||||||||||||
| log(Si/H) | ||||||||||||||||||
| log(P/H) | ||||||||||||||||||
| log(S/H) | ||||||||||||||||||
| log(Sc/H) | ||||||||||||||||||
| log(Ti/H) | ||||||||||||||||||
| log(Cr/H) | ||||||||||||||||||
| log(Mn/H) | ||||||||||||||||||
| log(Fe/H) | ||||||||||||||||||
| log(Ni/H) | ||||||||||||||||||
| Parallax | [mas] | 13.07 (0.05) | 13.00 (0.06) | 13.00 (0.06) | 13.07 | 13.07 (0.05) | 13.00 (0.06) | |||||||||||
| Distance | [pc] | 76.51 (0.3) | 76.92 (0.4) | 76.92 (0.4) | 59.00 | 76.51 | 76.51 (0.3) | 76.92 (0.4) | ||||||||||
| Composition | H | H | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -157.9282978 (0.06) | -158.3485505 (0.1) | -157.928 (0.06) | -158.349 | -155.6 | ||||||||||||
| Proper motion (declination) | [mas/yr] | 243.1092683 (0.07) | 243.4676293 (0.1) | 243.109 (0.07) | 243.468 | 244.7 | ||||||||||||
| Variability | ||||||||||||||||||
| Magnetic | ||||||||||||||||||
| Bd | [MG] | |||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||
| Binarity | ||||||||||||||||||
| B magnitude | 16.71 | |||||||||||||||||
| V magnitude | ||||||||||||||||||
| R magnitude | 16.00 | |||||||||||||||||
| I magnitude | ||||||||||||||||||
| J magnitude | 16.08 (0.01) | |||||||||||||||||
| H magnitude | ||||||||||||||||||
| K magnitude | ||||||||||||||||||
| u magnitude | 16.91 (0.007) | 16.91 (0.008) | 16.91 (0.007) | 16.91 (0.007) | 16.95 (0.02) | 16.95 | 16.92 (0.02) | |||||||||||
| g magnitude | 16.47 (0.004) | 16.47 (0.004) | 16.44 (0.004) | 16.46 (0.02) | 16.46 | 16.44 (0.02) | ||||||||||||
| r magnitude | 16.46 (0.004) | 16.46 (0.004) | 16.45 (0.004) | 16.46 (0.01) | 16.46 | 16.45 (0.01) | ||||||||||||
| i magnitude | 16.52 (0.005) | 16.52 (0.005) | 16.51 (0.004) | 16.53 (0.02) | 16.53 | 16.53 (0.02) | ||||||||||||
| z magnitude | 16.62 (0.009) | 16.62 (0.009) | 16.63 (0.009) | 16.63 (0.02) | 16.63 | 16.62 (0.02) | ||||||||||||
| G magnitude | 16.39 (0.004) | 16.41 | 16.39 | 16.39 (0.003) | 16.41 | |||||||||||||
| BP magnitude | 16.50 (0.004) | 16.49 | 16.49 | |||||||||||||||
| RP magnitude | 16.21 (0.003) | 16.21 | 16.21 | |||||||||||||||
| Pan g magnitude | 16.46 (0.005) | 16.46 (0.004) | ||||||||||||||||
| Pan r magnitude | 16.47 (0.005) | 16.47 (0.005) | ||||||||||||||||
| Pan i magnitude | 16.52 (0.005) | 16.52 (0.004) | ||||||||||||||||
| Pan z magnitude | 16.63 (0.005) | 16.63 (0.004) | ||||||||||||||||
| Pan y magnitude | 16.73 (0.005) | 16.73 (0.005) | ||||||||||||||||
| E(B-V) | 0.010 | |||||||||||||||||
* 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.