All names: Gaia DR2 4920160332088386304, Gaia DR3 4920160332088386304, GALEX J002949.6-544135, L 170-14 B, WD 0027-549, NLTT 1602, WDJ002949.72-544133.01, BPM 16139, ** LDS 834B, Gaia EDR3 4920160332088386304, WDS J00299-5442B
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 29 49.16 (0.02) | 00 29 49.18 (0.03) | 00 29 49.16 | 00 29 49.72 (0.02) | 00 29 49.18 | 00 29 51.94 | |||
| Declination | -54 41 36.25 (0.03) | -54 41 36.15 (0.03) | -54 41 36.25 | -54 41 33.01 (0.03) | -54 41 36.15 | -54 41 25.44 | |||
| Spectral type | DA | DA | DA | DA | |||||
| Effective temperature | [K] | 7253.0 (145) | 7379.0 (51) | ||||||
| log(g) | [cgs] | 7.86 (0.06) | 7.85 (0.01) | ||||||
| Mass | [M☉] | 0.513 (0.03) | 0.507 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 25.89 (0.04) | 25.89 (0.04) | 25.87 (0.05) | 25.89 | 25.89 (0.04) | 25.87 (0.05) | ||
| Distance | [pc] | 38.63 (0.05) | 38.62 (0.06) | 38.65 (0.07) | 38.63 | 38.63 (0.05) | 38.65 (0.07) | ||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -303.087185 (0.03) | -303.008 (0.06) | -303.087 (0.03) | -303.0081034 | ||||
| Proper motion (declination) | [mas/yr] | -202.8992965 (0.04) | -202.795 (0.07) | -202.899 (0.04) | -202.795412 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.96 | ||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 16.06 (0.005) | 16.07 | 16.06 | 16.06 (0.003) | 16.07 | ||||
| BP magnitude | 16.18 (0.005) | 16.18 | 16.18 | ||||||
| RP magnitude | 15.53 (0.02) | 15.54 | 15.54 | ||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.001 | ||||||||
* 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.