All names: EPIC 229227292, WISE J134211.60-073540.5, EPIC 229228124, Gaia DR2 3618569530962200832, WISEA J134211.61-073540.5, GALEX J134211.7-073539, TIC 773003, WDJ134211.67-073538.52, Gaia DR3 3618569530962200832, USNO-B1.0 0824-00318295, Gaia EDR3 3618569530962200832, 2MASS J13421165-0735383
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Bell et al. 2016 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 42 11.60 (0.07) | 13 42 11.60 | 13 42 11.60 | 13 42 11.67 (0.07) | 13 42 11.60 | ||||||
| Declination | -07 35 40.67 (0.06) | -07 35 40.60 | -07 35 40.67 | -07 35 38.52 (0.06) | -07 35 40.60 | ||||||
| Spectral type | DA | DA | |||||||||
| Effective temperature | [K] | 10542.0 | 10849.0 | 11190.0 | 10820.0 (130) | ||||||
| log(g) | [cgs] | 7.97 | 7.93 | 8.02 | 8.00 (0.02) | ||||||
| Mass | [M☉] | 0.585 | 0.544 | 0.604 (0.01) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.5056 | 0.4591 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 11.28 (0.09) | 11.30 (0.1) | 11.28 | 11.28 (0.09) | 11.30 (0.1) | |||||
| Distance | [pc] | 88.66 (0.7) | 88.50 (1) | 88.66 | 88.66 (0.7) | 88.50 (1) | |||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -70.09072753 (0.09) | -69.96061556 (0.2) | -70.091 (0.09) | -69.96061556 | ||||||
| Proper motion (declination) | [mas/yr] | -134.5747222 (0.08) | -134.4732009 (0.2) | -134.575 (0.08) | -134.4732009 | ||||||
| Variability | VAR | ||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 16.90 | ||||||||||
| V magnitude | 16.70 | ||||||||||
| R magnitude | 16.50 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.79 (0.1) | ||||||||||
| H magnitude | 16.52 (0.2) | ||||||||||
| K magnitude | |||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 16.67 (0.006) | 16.70 | 16.67 | 16.67 (0.003) | 16.70 | ||||||
| BP magnitude | 16.72 (0.006) | 16.72 | 16.72 | ||||||||
| RP magnitude | 16.64 (0.009) | 16.63 | 16.63 | ||||||||
| Pan g magnitude | 16.67 (0.03) | ||||||||||
| Pan r magnitude | 16.79 (0.005) | ||||||||||
| Pan i magnitude | 16.96 (0.007) | ||||||||||
| Pan z magnitude | 17.13 (0.007) | ||||||||||
| Pan y magnitude | 17.28 (0.01) | ||||||||||
| E(B-V) | 0.004 | ||||||||||
| Period #1 | [s] | 289.3 | |||||||||
| Amplitude #1 | [mma] | ||||||||||
| Period #2 | [s] | 370.7 | |||||||||
| Amplitude #2 | [mma] | ||||||||||
| Period #3 | [s] | 514.1 | |||||||||
| Amplitude #3 | [mma] | ||||||||||
| Period #4 | [s] | 800.0 | |||||||||
| Amplitude #4 | [mma] | ||||||||||
* 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.