All names: Gaia EDR3 1291497907153073536, WD 1502+351, FBS 1502+351, FBS B 558, 2MASS J15040293+3454404, Gaia DR3 1291497907153073536, TIC 357414022, Gaia DR2 1291497907153073536, PG 1502+351, CBS 222, UCAC4 625-049597, LAMOST J150402.90+345441.4
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 04 02.87 (0.2) | 15 04 02.87 (0.4) | 15 04 02.87 | 15 04 02.99 (72) | 15 04 03.24 | ||||
| Declination | 34 54 41.98 (0.3) | 34 54 41.95 (0.5) | 34 54 41.98 | 34 54 40.75 (71) | 34 54 33.12 | ||||
| Spectral type | DA | DA | DA2.7 | DA4 | |||||
| Effective temperature | [K] | 18960.0 (290) | 18120.0 (275) | 19600.0 (447) | |||||
| log(g) | [cgs] | 8.22 (0.05) | 8.13 (0.05) | 7.53 (0.06) | |||||
| Mass | [M☉] | 0.76 (0.03) | 0.7 (0.03) | 0.403 (0.03) | |||||
| log(Luminosity) | [L☉] | -1.86 | |||||||
| Cooling age | [Gyr] | 0.1660 | |||||||
| 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] | 7.10 (0.4) | 7.76 (0.6) | 7.10 | |||||
| Distance | [pc] | 140.89 (8) | 128.84 (11) | 82.00 | 86.00 | 140.89 | |||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -93.34390435 (0.3) | -94.23957326 (0.8) | -88.8 (4) | |||||
| Proper motion (declination) | [mas/yr] | 73.84355689 (0.4) | 76.37457827 (0.9) | 81.2 (5) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.81 (0.07) | ||||||||
| V magnitude | 15.78 | 15.78 (0.01) | |||||||
| R magnitude | 16.05 (0.2) | ||||||||
| I magnitude | |||||||||
| J magnitude | 16.23 (0.09) | ||||||||
| H magnitude | 16.09 (0.2) | ||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 16.14 (0.003) | 16.03 | 16.14 | ||||||
| BP magnitude | 15.81 (0.003) | 15.78 | |||||||
| RP magnitude | 16.00 (0.003) | 16.00 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.018 | ||||||||
* 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.