All names: GD 995, GD 99, TIC 28128509, Gaia DR3 5139966690893463680, EC 01335-1943, 2MASS J01355817-1928239, Gaia DR2 5139966690893463680, SDSS J013558.21-192823.9, PHL 3465, LP 768-164, Gaia EDR3 5139966690893463680, WDJ013558.17-192823.75, WDJ013558.17-192823.76
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Steininger 2007 | Mukadam et al. 2006 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 35 58.25 (0.03) | 01 35 58.25 | 01 35 58.25 | 01 35 58.17 (0.03) | 01 35 58.25 | |||||||
| Declination | -19 28 24.11 (0.02) | -19 28 24.10 | -19 28 24.11 | -19 28 23.76 (0.02) | -19 28 24.10 | |||||||
| Spectral type | DA | DA | ||||||||||
| Effective temperature | [K] | 12091.0 | 12961.0 | 12110.0 | 12110.0 | 12273.0 (89) | ||||||
| log(g) | [cgs] | 7.89 | 7.93 | 8.20 | 8.20 | 7.90 (0.006) | ||||||
| Mass | [M☉] | 0.543 | 0.547 | 0.55 (0.005) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.3174 | 0.2786 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 14.68 (0.04) | 14.72 (0.05) | 14.68 | 14.68 (0.04) | 14.72 (0.05) | ||||||
| Distance | [pc] | 68.10 (0.2) | 67.92 (0.2) | 68.10 | 68.10 (0.2) | 67.92 (0.2) | ||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 69.22785326 (0.05) | 69.363278 (0.1) | 69.228 (0.05) | 69.363278 | |||||||
| Proper motion (declination) | [mas/yr] | -21.96383105 (0.03) | -22.0438527 (0.05) | -21.964 (0.03) | -22.0438527 | |||||||
| Variability | VAR | VAR | ||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 15.90 | |||||||||||
| V magnitude | 14.60 | 14.60 | ||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.80 (0.09) | |||||||||||
| H magnitude | 15.79 (0.2) | |||||||||||
| K magnitude | 15.59 (0.2) | |||||||||||
| u magnitude | 16.00 (0.03) | 16.04 (0.006) | ||||||||||
| g magnitude | 15.62 (0.02) | 15.60 (0.003) | ||||||||||
| r magnitude | 15.79 (0.02) | 15.79 (0.004) | ||||||||||
| i magnitude | 16.01 (0.01) | 16.01 (0.004) | ||||||||||
| z magnitude | 16.26 (0.03) | 16.25 (0.008) | ||||||||||
| G magnitude | 15.68 (0.001) | 15.70 | 15.68 | 15.68 (0.003) | 15.70 | |||||||
| BP magnitude | 15.68 (0.001) | 15.68 | 15.68 | |||||||||
| RP magnitude | 15.71 (0.002) | 15.72 | 15.72 | |||||||||
| Pan g magnitude | 15.61 (0.007) | |||||||||||
| Pan r magnitude | 15.79 (0.005) | |||||||||||
| Pan i magnitude | 16.02 (0.003) | |||||||||||
| Pan z magnitude | 16.23 (0.004) | |||||||||||
| Pan y magnitude | 16.40 (0.005) | |||||||||||
| E(B-V) | 0.001 | |||||||||||
| Period #1 | [s] | 223.9 | 105.2 | |||||||||
| Amplitude #1 | [mma] | 2.6 | 2 | |||||||||
| Period #2 | [s] | 228.7 | 223.6 | |||||||||
| Amplitude #2 | [mma] | 6.3 | 2.9 | |||||||||
| Period #3 | [s] | 1026.1 | 228.9 | |||||||||
| Amplitude #3 | [mma] | 4.3 | 4.5 | |||||||||
| Period #4 | [s] | 1058.1 | 633.1 | |||||||||
| Amplitude #4 | [mma] | 7.6 | 2 | |||||||||
| Period #5 | [s] | 853.2 | ||||||||||
| Amplitude #5 | [mma] | 2.4 | ||||||||||
| Period #6 | [s] | 924.7 | ||||||||||
| Amplitude #6 | [mma] | 1.7 | ||||||||||
| Period #7 | [s] | 976.0 | ||||||||||
| Amplitude #7 | [mma] | 2.1 | ||||||||||
| Period #8 | [s] | 1007.0 | ||||||||||
| Amplitude #8 | [mma] | 6.5 | ||||||||||
| Period #9 | [s] | 1058.0 | ||||||||||
| Amplitude #9 | [mma] | 8.3 | ||||||||||
| Period #10 | [s] | 1088.0 | ||||||||||
| Amplitude #10 | [mma] | 4.3 | ||||||||||
| Period #11 | [s] | 1151.0 | ||||||||||
| Amplitude #11 | [mma] | 1.9 | ||||||||||
* 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.