All names: TIC 439927344, WD 0934-58, WD 0934-587, L 188-86, 2MASS J09353805-5856004, Gaia EDR3 5305472465397961856, USNO-B1.0 0310-00129930, BPM 19652, uvby98 600219652, UCAC4 156-030417, Gaia DR3 5305472465397961856, GEN# +6.00219652, Gaia DR2 5305472465397961856
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 35 38.01 (0.03) | 09 35 38.01 (0.04) | 09 35 38.01 | 09 35 38.07 (0.03) | 09 35 37.39 | |||
| Declination | -58 56 01.96 (0.03) | -58 56 01.92 (0.04) | -58 56 01.96 | -58 56 00.62 (0.03) | -58 55 58.08 | |||
| Spectral type | DA | DA | DA2.2 | DA4 | ||||
| Effective temperature | [K] | 22410.0 (328) | 21421.0 (271) | |||||
| log(g) | [cgs] | 7.85 (0.04) | 7.92 (0.01) | |||||
| Mass | [M☉] | 0.55 (0.02) | 0.582 (0.009) | |||||
| 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] | 10.06 (0.03) | 9.98 (0.04) | 10.06 | 10.06 (0.03) | |||
| Distance | [pc] | 99.37 (0.3) | 100.21 (0.4) | 106.00 | 99.37 | 99.37 (0.3) | ||
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | -31.30412801 (0.04) | -31.56998333 (0.09) | -31.304 (0.04) | ||||
| Proper motion (declination) | [mas/yr] | -84.24149481 (0.04) | -84.41885924 (0.09) | -84.241 (0.04) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.70 | |||||||
| V magnitude | 15.46 | |||||||
| R magnitude | 15.63 (0.1) | |||||||
| I magnitude | ||||||||
| J magnitude | 16.00 (0.07) | |||||||
| H magnitude | 16.20 (0.2) | |||||||
| K magnitude | ||||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.52 (0.001) | 15.54 | 15.52 | 15.52 (0.003) | ||||
| BP magnitude | 15.44 (0.001) | 15.40 | ||||||
| RP magnitude | 15.72 (0.002) | 15.72 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.007 | |||||||
* 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.