All names: KUV02274+3615, Gaia DR3 327593205958861184, WISE J023025.07+362801.5, 2MASS J02302507+3628015, TIC 130065894, WISEA J023025.08+362801.4, Gaia EDR3 327593205958861184, Gaia DR2 327593205960573568, Gaia DR3 327593205960573568
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 02 30 25.23 (0.06) | 02 30 25.03 | 02 30 25.23 | 02 30 25.07 (0.06) | ||
| Declination | 36 28 02.13 (0.06) | 36 28 01.94 | 36 28 02.13 | 36 28 01.42 (0.06) | ||
| Spectral type | sdB | DA | ||||
| Effective temperature | [K] | 33647.0 (1827) | ||||
| log(g) | [cgs] | 7.83 (0.05) | ||||
| Mass | [M☉] | 0.57 (0.04) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 3.98 (0.07) | 1.10 (0.08) | 3.98 | 1.13 (0.07) | |
| Distance | [pc] | 251.19 (4) | 907.11 (67) | 251.19 | 884.17 (54) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 39.992 (0.09) | 5.996 (0.2) | 5.934 (0.09) | ||
| Proper motion (declination) | [mas/yr] | -2.056 (0.08) | -0.144 (0.1) | -0.224 (0.08) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 14.90 (0.04) | 14.90 (0.04) | ||||
| H magnitude | 14.28 (0.04) | 14.28 (0.04) | ||||
| K magnitude | 14.21 (0.07) | 14.21 (0.07) | ||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 16.54 (0.003) | 16.69 (0.001) | 16.54 | 16.67 (0.003) | ||
| BP magnitude | 16.36 (0.009) | 17.11 (0.09) | ||||
| RP magnitude | 16.67 (0.02) | 15.87 (0.0006) | ||||
| Pan g magnitude | 16.35 | |||||
| Pan r magnitude | 16.64 (0.01) | |||||
| Pan i magnitude | 16.22 (0.005) | |||||
| Pan z magnitude | 16.05 (0.004) | |||||
| Pan y magnitude | 15.95 (0.006) | |||||
| E(B-V) | 0.054 | |||||
* 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.