All names: WDJ174554.56-131755.39, WDS J17459-1318B, Gaia DR2 4149820323678136192, GJ 2131 B, WD 1743-13, WD 1743-131, EGGR 175, ** SKF 306B, G154-B5B, Gaia EDR3 4149820323678136192, UBV 15077, 2MASS J17455455-1317554, Gaia DR3 4149820323678136192, TIC 419437886, WD 1743-132, CSI-13-17431 2, G 154-B5, G 154-B5B
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Gaia DR2 | Bedard et al. 2017 | Tremblay et al. 2017 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 45 54.62 (0.03) | 17 45 54.62 (0.05) | 17 45 54.62 | 17 45 54.56 (0.03) | 17 45 54.62 | 17 45 53.54 | |||||||
| Declination | -13 17 53.84 (0.03) | -13 17 53.89 (0.05) | -13 17 53.84 | -13 17 55.39 (0.03) | -13 17 53.89 | -13 18 25.92 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA3.9 | DA7 | ||||||
| Effective temperature | [K] | 11902.0 (131) | 12850.0 (210) | 12920.0 (210) | 12970.0 (210) | 12049.0 (62) | |||||||
| log(g) | [cgs] | 7.95 (0.02) | 8.00 (0.05) | 8.01 (0.05) | 8.01 (0.05) | 7.96 (0.005) | |||||||
| Mass | [M☉] | 0.574 (0.01) | 0.61 (0.03) | 0.581 (0.004) | |||||||||
| 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] | 25.77 (0.04) | 25.77 (0.04) | 25.63 (0.06) | 25.97 (0.5) | 25.77 | 25.77 (0.04) | 25.63 (0.06) | 54.00 | ||||
| Distance | [pc] | 38.80 (0.06) | 38.80 (0.06) | 39.02 (0.08) | 38.50 (1) | 38.51 (0.8) | 35.00 | 38.80 | 38.80 (0.06) | 39.02 (0.08) | 18.52 | ||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 56.43603824 (0.04) | 56.36449412 (0.09) | 56.436 (0.04) | 56.36449412 | ||||||||
| Proper motion (declination) | [mas/yr] | 96.68792934 (0.03) | 96.59944897 (0.08) | 96.688 (0.03) | 96.59944897 | ||||||||
| Variability | NOV | ||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | yes | ||||||||||||
| B magnitude | 14.38 | ||||||||||||
| V magnitude | 14.22 (0.05) | 14.22 | |||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 14.63 (0.04) | ||||||||||||
| H magnitude | 14.60 (0.08) | ||||||||||||
| K magnitude | 14.63 (0.1) | ||||||||||||
| u magnitude | |||||||||||||
| g magnitude | |||||||||||||
| r magnitude | |||||||||||||
| i magnitude | |||||||||||||
| z magnitude | |||||||||||||
| G magnitude | 14.58 (0.001) | 14.60 | 14.60 (0.002) | 14.58 | 14.58 (0.003) | 14.60 | |||||||
| BP magnitude | 14.58 (0.001) | 14.57 | 14.57 | ||||||||||
| RP magnitude | 14.59 (0.001) | 14.60 | 14.60 | ||||||||||
| Pan g magnitude | 14.53 (0.002) | ||||||||||||
| Pan r magnitude | 14.73 (0.002) | ||||||||||||
| Pan i magnitude | 14.95 (0.003) | ||||||||||||
| Pan z magnitude | 15.14 (0.009) | ||||||||||||
| Pan y magnitude | 15.26 (0.009) | ||||||||||||
| 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.