All names: Gaia DR3 18949090767841024, TIC 365247111, HS 0235+0655, WD 0235+069, WDJ023833.11+070809.35, LAMOST J023833.18+070809.4, Gaia DR2 18949090767841024, Gaia EDR3 18949090767841024, GALEX J023833.1+070809, 2MASS J02383312+0708096
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Voss et al. 2006 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 38 33.23 (0.06) | 02 38 33.22 (0.08) | 02 38 33.23 | 02 38 33.11 (0.06) | 02 38 33.22 | 02 38 32.98 | ||||||
| Declination | 07 08 09.15 (0.05) | 07 08 09.16 (0.07) | 07 08 09.15 | 07 08 09.35 (0.05) | 07 08 09.16 | 07 08 13.56 | ||||||
| Spectral type | DA | DA | DA4.4 | |||||||||
| Effective temperature | [K] | 10575.0 | 10879.0 | 10950.0 | 10830.0 (127) | |||||||
| log(g) | [cgs] | 8.00 | 7.96 | 7.75 | 8.03 (0.02) | |||||||
| Mass | [M☉] | 0.604 | 0.562 | 0.619 (0.01) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.5226 | 0.4758 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 12.51 (0.08) | 12.67 (0.09) | 12.51 | 12.51 (0.08) | 12.67 (0.09) | ||||||
| Distance | [pc] | 79.91 (0.5) | 78.90 (0.6) | 79.91 | 79.91 (0.5) | 78.91 (0.6) | ||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 111.7225174 (0.09) | 112.052 (0.2) | 111.723 (0.09) | 112.0518726 | |||||||
| Proper motion (declination) | [mas/yr] | -12.40215606 (0.07) | -12.468 (0.2) | -12.402 (0.07) | -12.46825366 | |||||||
| Variability | VAR | |||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | 16.60 | |||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.39 (0.1) | |||||||||||
| H magnitude | 16.27 (0.2) | |||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.89 (0.008) | |||||||||||
| g magnitude | 16.47 (0.004) | |||||||||||
| r magnitude | 16.56 (0.004) | |||||||||||
| i magnitude | 16.74 (0.005) | |||||||||||
| z magnitude | 16.92 (0.01) | |||||||||||
| G magnitude | 16.48 (0.005) | 16.51 | 16.48 | 16.48 (0.003) | 16.51 | |||||||
| BP magnitude | 16.52 (0.005) | 16.53 | 16.53 | |||||||||
| RP magnitude | 16.45 (0.006) | 16.46 | 16.46 | |||||||||
| Pan g magnitude | 16.46 (0.006) | |||||||||||
| Pan r magnitude | 16.57 (0.003) | |||||||||||
| Pan i magnitude | 16.76 (0.003) | |||||||||||
| Pan z magnitude | 16.92 (0.005) | |||||||||||
| Pan y magnitude | 17.06 (0.01) | |||||||||||
| E(B-V) | 0.004 | |||||||||||
| Period #1 | [s] | 1283.7 | ||||||||||
| Amplitude #1 | [mma] | 4.2 | ||||||||||
* 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.