All names: TIC 329800842, WD 2150+33, WDJ215229.65+340743.85, Gaia DR2 1948168857341565824, GCRV 21712, 2MASS J21522964+3407438, GD 398, EGGR 402, UCAC4 621-127358, Gaia EDR3 1948168857341565824, Gaia DR3 1948168857341565824, WD 2150+338, GALEX J215229.7+340743, EGGR 281
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 52 29.82 (0.02) | 21 52 29.82 (0.03) | 21 52 29.82 | 21 52 29.65 (0.02) | 21 52 29.82 | 21 52 28.78 | ||||
| Declination | 34 07 44.04 (0.02) | 34 07 44.04 (0.03) | 34 07 44.04 | 34 07 43.85 (0.02) | 34 07 44.04 | 34 07 44.40 | ||||
| Spectral type | DA | DA | DA2.7 | DA3 | ||||||
| Effective temperature | [K] | 18660.0 (286) | 17764.0 (115) | |||||||
| log(g) | [cgs] | 7.94 (0.05) | 7.95 (0.006) | |||||||
| Mass | [M☉] | 0.59 (0.03) | 0.588 (0.005) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| 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] | 14.20 (0.03) | 14.18 (0.04) | 14.20 | 14.20 (0.03) | 14.18 (0.04) | ||||
| Distance | [pc] | 70.41 (0.1) | 70.53 (0.2) | 73.00 | 70.41 | 70.41 (0.1) | 70.53 (0.2) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 134.9576649 (0.02) | 134.9285637 (0.07) | 134.958 (0.02) | 134.9285637 | |||||
| Proper motion (declination) | [mas/yr] | 12.29461181 (0.02) | 12.30208542 (0.08) | 12.295 (0.02) | 12.30208542 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 15.10 (0.04) | |||||||||
| V magnitude | 15.12 (0.04) | |||||||||
| R magnitude | 15.39 (0.2) | |||||||||
| I magnitude | ||||||||||
| J magnitude | 15.62 (0.06) | |||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 15.16 (0.001) | 15.18 | 15.16 | 15.16 (0.003) | 15.18 | |||||
| BP magnitude | 15.09 (0.001) | 15.07 | 15.07 | |||||||
| RP magnitude | 15.32 (0.001) | 15.33 | 15.33 | |||||||
| Pan g magnitude | 15.05 (0.003) | |||||||||
| Pan r magnitude | 15.35 (0.002) | |||||||||
| Pan i magnitude | 15.64 (0.003) | |||||||||
| Pan z magnitude | 15.89 (0.006) | |||||||||
| Pan y magnitude | 16.04 (0.01) | |||||||||
| E(B-V) | 0.011 | |||||||||
* 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.