All names: WISEA J170038.93-872353.9, WISE J170039.02-872353.8, Gaia DR2 5765288880944438144, Gaia DR3 5765288880944438144, 2MASS J17003834-8723530, Gaia EDR3 5765288880944438144, WDJ170038.34-872352.90, TIC 451507703, GALEX J170037.2-872353, UCAC4 014-004411
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 00 39.09 (0.02) | 17 00 39.07 | 17 00 39.09 | 17 00 38.34 (0.02) | 17 00 39.07 | |||
| Declination | -87 23 54.35 (0.02) | -87 23 54.30 | -87 23 54.35 | -87 23 52.90 (0.02) | -87 23 54.30 | |||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 10897.0 (102) | 10865.0 (48) | |||||
| log(g) | [cgs] | 8.07 (0.02) | 8.07 (0.005) | |||||
| Mass | [M☉] | 0.647 (0.01) | 0.646 (0.005) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 30.73 (0.02) | 30.73 (0.02) | 30.78 (0.03) | 30.73 | 30.73 (0.02) | 30.78 (0.03) | |
| Distance | [pc] | 32.54 (0.02) | 32.54 (0.02) | 32.49 (0.03) | 32.54 | 32.54 (0.02) | 32.49 (0.03) | |
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 31.9120906 (0.02) | 31.92420764 (0.05) | 31.912 (0.02) | 31.92420764 | |||
| Proper motion (declination) | [mas/yr] | -90.29005746 (0.02) | -90.30846136 (0.06) | -90.29 (0.02) | -90.30846136 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 14.74 (0.01) | |||||||
| V magnitude | 14.57 (0.02) | |||||||
| R magnitude | 14.81 (0.09) | |||||||
| I magnitude | ||||||||
| J magnitude | 14.65 (0.04) | |||||||
| H magnitude | 14.68 (0.08) | |||||||
| K magnitude | 14.78 (0.1) | |||||||
| u magnitude | ||||||||
| g magnitude | 14.60 (0.02) | |||||||
| r magnitude | 14.70 (0.01) | |||||||
| i magnitude | 14.86 (0.03) | |||||||
| z magnitude | ||||||||
| G magnitude | 14.59 (0.002) | 14.61 | 14.59 | 14.59 (0.003) | 14.61 | |||
| BP magnitude | 14.62 (0.002) | 14.62 | 14.62 | |||||
| RP magnitude | 14.55 (0.001) | 14.56 | 14.56 | |||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.002 | |||||||
* 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.