All names: Gaia EDR3 102142362477942016, Gaia DR3 102142362477942016, SDSS J023438.48+244535.6, Gaia DR2 102142362477942016, 2MASS J02343847+2445356, GALEX J023438.5+244535, TIC 22816079
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 34 38.49 (0.2) | 02 34 38.49 | 02 34 38.49 (0.3) | 02 34 38.49 | 02 34 38.49 (0.2) | |||
| Declination | 24 45 35.65 (0.2) | 24 45 35.64 | 24 45 35.65 (0.2) | 24 45 35.64 | 24 45 35.65 (0.2) | |||
| Spectral type | WD+M | M1V | ||||||
| Effective temperature | [K] | |||||||
| log(g) | [cgs] | |||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.00 (0.2) | 0.62 (0.4) | 1.00 (0.2) | ||||
| Distance | [pc] | 1002.69 (221) | 1620.06 (1021) | 1002.71 (221) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -4.136019412 (0.2) | -4.776874047 (0.5) | -4.136 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -0.350493947 (0.2) | -1.018947218 (0.4) | -0.35 (0.2) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.15 (0.08) | |||||||
| H magnitude | 15.50 (0.09) | |||||||
| K magnitude | 15.22 (0.1) | |||||||
| u magnitude | 21.18 (0.1) | 21.16 | 21.18 (0.1) | |||||
| g magnitude | 20.01 (0.02) | 20.01 | 20.01 (0.02) | |||||
| r magnitude | 18.85 (0.01) | 18.85 | 18.85 (0.01) | |||||
| i magnitude | 18.03 (0.009) | 18.04 | 18.03 (0.008) | |||||
| z magnitude | 17.52 (0.02) | 17.52 | 17.52 (0.01) | |||||
| G magnitude | 18.67 (0.05) | 18.70 | 18.67 (0.004) | |||||
| BP magnitude | 19.58 (0.05) | 19.57 | ||||||
| RP magnitude | 17.65 (0.02) | 17.66 | ||||||
| Pan g magnitude | 19.89 (0.02) | |||||||
| Pan r magnitude | 18.88 (0.01) | |||||||
| Pan i magnitude | 18.09 (0.003) | |||||||
| Pan z magnitude | 17.64 (0.006) | |||||||
| Pan y magnitude | 17.41 (0.01) | |||||||
| E(B-V) | 0.103 | |||||||
* 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.