All names: Gaia DR3 5920900901901635968, Gaia EDR3 5920900901901635968, WDJ174736.82-543631.16, Gaia DR2 5920900901901635968, PM J17476-5436, PM I17476-5436, 2MASS J17473683-5436310, CNS5 4407, LEP1747-5436, TIC 75306618, WISEA J174736.29-543634.4, 174736.82-543631.16
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | O'Brien et al. 2022 | Subasavage et al. 2022 | Gaia DR2 | Subasavage et al. 2017 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 47 36.11 (0.04) | 17 47 36.13 (0.06) | 17 47 36.81 | 17 47 36.11 | 17 47 36.82 (0.04) | 17 47 36.13 | |||||
| Declination | -54 36 36.07 (0.03) | -54 36 35.92 (0.05) | -54 36 03.02 | -54 36 36.07 | -54 36 31.16 (0.03) | -54 36 35.92 | |||||
| Spectral type | DC | DC | DC | DC | DC | DC | |||||
| Effective temperature | [K] | 4358.0 (25) | 4360.0 (30) | 4505.0 (111) | 4530.0 (120) | 4419.0 (15) | |||||
| log(g) | [cgs] | 7.82 (0.02) | 7.82 (0.02) | 7.95 (0.06) | 7.97 (0.06) | 7.86 (0.008) | |||||
| Mass | [M☉] | 0.473 (0.01) | 0.548 (0.05) | 0.56 (0.05) | 0.497 (0.006) | ||||||
| log(Luminosity) | [L☉] | -4.21 (0.06) | |||||||||
| Cooling age | [Gyr] | 7.2100 (0.7) | |||||||||
| 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] | 73.99 (0.05) | 73.99 (0.05) | 73.99 (0.05) | 73.98 (0.07) | 73.98 (0.07) | 74.04 (1) | 73.99 | 73.99 (0.05) | 73.98 (0.07) | |
| Distance | [pc] | 13.52 (0.008) | 13.52 (0.009) | 13.52 (0.009) | 13.52 (0.01) | 13.52 (0.01) | 13.51 (0.2) | 13.52 | 13.52 (0.008) | 13.52 (0.01) | |
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -384.2099157 (0.04) | -383.9530866 (0.09) | -384.21 (0.04) | -383.9530866 | ||||||
| Proper motion (declination) | [mas/yr] | -306.674467 (0.04) | -306.6804342 (0.08) | -306.674 (0.04) | -306.6804342 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | 16.28 | 16.28 | 15.52 | ||||||||
| R magnitude | 15.66 | 15.66 | |||||||||
| I magnitude | 15.10 | 15.10 | |||||||||
| J magnitude | 14.46 | 14.46 (0.03) | 14.46 (0.03) | ||||||||
| H magnitude | 14.22 | 14.22 (0.05) | 14.22 (0.05) | ||||||||
| K magnitude | 14.29 | 14.29 (0.07) | 14.29 (0.07) | ||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 15.93 (0.004) | 15.95 | 15.93 | 15.93 (0.003) | 15.95 | ||||||
| BP magnitude | 16.55 (0.004) | 16.55 | 16.55 | ||||||||
| RP magnitude | 15.19 (0.001) | 15.20 | 15.20 | ||||||||
| 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.