All names: L 462-56 B, LTT 3538, WD 0935-371.2, WDJ093659.94-372126.91, LDS 275B, 093659.94-372126.91, Gaia DR3 5436014972680358272, ** LDS 275B, CE 86, UCAC3 106-106331, WISEA J093659.58-372126.6, USNO-B1.0 0526-00269618, 2MASS J09365994-3721269, TIC 293811983, LTT 3537, NLTT 22204, Gaia DR2 5436014972680358272, WDS J09370-3721B
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | O'Brien et al. 2022 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Bergeron et al. 1997 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 36 59.49 (0.01) | 09 36 59.50 (0.02) | 09 36 59.49 | 09 36 59.94 (0.01) | 09 36 59.50 | 09 37 03.91 | ||||||
| Declination | -37 21 24.01 (0.02) | -37 21 24.10 (0.02) | -37 21 24.01 | -37 21 26.91 (0.02) | -37 21 24.10 | -37 20 31.20 | ||||||
| Spectral type | DA | DA | DA | DA | DA6 | DA6 | ||||||
| Effective temperature | [K] | 7911.0 (63) | 7910.0 (60) | 7920.0 (113) | 8340.0 (230) | 7971.0 (25) | ||||||
| log(g) | [cgs] | 8.05 (0.02) | 8.05 (0.02) | 8.04 (0.05) | 7.50 (0) | 8.06 (0.005) | ||||||
| Mass | [M☉] | 0.624 (0.01) | 0.62 (0.03) | 0.35 | 0.633 (0.005) | |||||||
| log(Luminosity) | [L☉] | -2.88 | ||||||||||
| Cooling age | [Gyr] | 0.5900 | ||||||||||
| 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] | 38.15 (0.02) | 38.15 (0.02) | 38.15 (0.02) | 38.08 (0.03) | 38.15 | 38.15 (0.02) | 38.08 (0.03) | 46.00 | |||
| Distance | [pc] | 26.21 (0.02) | 26.21 (0.01) | 26.21 (0.01) | 26.26 (0.02) | 25.00 | 26.21 | 26.21 (0.02) | 26.26 (0.02) | 21.74 | ||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -339.3647546138858 (0.02) | -339.4270543 (0.04) | -339.365 (0.02) | -339.4270543 | |||||||
| Proper motion (declination) | [mas/yr] | 181.37563175929407 (0.02) | 181.4050017 (0.05) | 181.376 (0.02) | 181.4050017 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | yes | |||||||||||
| B magnitude | 15.40 | 14.20 | ||||||||||
| V magnitude | 15.18 | 15.21 | ||||||||||
| R magnitude | 15.01 | 15.68 (0.2) | ||||||||||
| I magnitude | 14.83 | |||||||||||
| J magnitude | 14.76 | 14.71 (0.08) | ||||||||||
| H magnitude | 14.62 | 14.60 (0.08) | ||||||||||
| K magnitude | 14.65 | 14.62 (0.1) | ||||||||||
| u magnitude | ||||||||||||
| g magnitude | ||||||||||||
| r magnitude | ||||||||||||
| i magnitude | ||||||||||||
| z magnitude | ||||||||||||
| G magnitude | 15.14 (0.0003) | 15.16 | 15.14 | 15.14 (0.003) | 15.16 | |||||||
| BP magnitude | 15.27 (0.001) | 15.27 | 15.27 | |||||||||
| RP magnitude | 14.89 (0.002) | 14.90 | 14.90 | |||||||||
| Pan g magnitude | ||||||||||||
| Pan r magnitude | ||||||||||||
| Pan i magnitude | ||||||||||||
| Pan z magnitude | ||||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.000 | |||||||||||
* 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.