All names: NLTT 3864, Gaia DR2 4927120378131194496, 2MASS J01092140-5256188, JL 230, Gaia EDR3 4927120378131194496, WDJ010921.39-525618.73, EC 01072-5312, GEN# +9.86221049, TIC 229104209, L 221-49, LEHPM 1277, NSV 417, BPM 16413, Gaia DR3 4927120378131194496, LEP0109-5256
| Parameter | Unit | Gaia EDR3 | Subasavage et al. 2022 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 09 21.79 (0.03) | 01 09 21.78 | 01 09 21.79 | 01 09 21.39 (0.03) | 01 09 21.78 | |||
| Declination | -52 56 18.28 (0.03) | -52 56 18.29 | -52 56 18.28 | -52 56 18.73 (0.03) | -52 56 18.29 | |||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 8189.0 (277) | 8433.0 (44) | |||||
| log(g) | [cgs] | 8.38 (0.05) | 8.03 (0.009) | |||||
| Mass | [M☉] | 0.84 (0.04) | 0.614 (0.007) | |||||
| 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] | 22.96 (0.04) | 31.68 (0.1) | 22.94 (0.05) | 22.96 | 22.96 (0.04) | 22.94 (0.05) | |
| Distance | [pc] | 43.54 (0.07) | 31.57 (0.1) | 43.59 (0.09) | 43.54 | 43.54 (0.07) | 43.59 (0.09) | |
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | 230.6251921 (0.03) | 230.716773 (0.06) | 230.625 (0.03) | 230.716773 | |||
| Proper motion (declination) | [mas/yr] | 28.37170274 (0.04) | 28.56106589 (0.06) | 28.372 (0.04) | 28.56106589 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 16.24 | 15.42 | ||||||
| V magnitude | 16.01 | 15.04 | ||||||
| R magnitude | 15.88 | |||||||
| I magnitude | 15.59 | |||||||
| J magnitude | 15.68 | 15.68 (0.07) | ||||||
| H magnitude | 15.50 | 15.50 (0.1) | ||||||
| K magnitude | 14.95 | 14.95 (0.1) | ||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.99 (0.002) | 16.01 | 15.99 | 15.99 (0.003) | 16.01 | |||
| BP magnitude | 16.10 (0.002) | 16.10 | 16.10 | |||||
| RP magnitude | 15.79 (0.002) | 15.79 | 15.79 | |||||
| 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.