All names: Gaia DR2 2864774251932462336, PG 2336+264, 2MASS J23384332+2640004, WISE J233843.34+264000.6, PG2336+264, GALEX J233843.3+264001, SDSS J233843.34+264000.4, UCAC2 41302872, UCAC4 584-131255, WISEA J233843.35+264000.5, TIC 380158651, Gaia DR3 2864774251932462336
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 38 43.33 | 23 38 43.34 (0.03) | ||
| Declination | 26 40 01.43 | 26 40 00.64 (0.02) | ||
| Spectral type | sd | sd | ||
| 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] | 0.75 (0.06) | 0.87 (0.05) | |
| Distance | [pc] | 1340.30 (107) | 1152.21 (60) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 5.539 (0.1) | 4.171 (0.04) | |
| Proper motion (declination) | [mas/yr] | -17.278 (0.06) | -16.939 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.72 (0.03) | |||
| V magnitude | 14.72 (0.06) | |||
| R magnitude | 15.06 (0.06) | |||
| I magnitude | ||||
| J magnitude | 14.36 (0.03) | 14.36 (0.03) | ||
| H magnitude | 14.06 (0.05) | 14.06 (0.05) | ||
| K magnitude | 14.11 (0.07) | 14.11 (0.07) | ||
| u magnitude | 14.55 (0.004) | |||
| g magnitude | 14.64 (0.003) | 14.66 (0.04) | ||
| r magnitude | 14.84 (0.004) | 14.84 (0.07) | ||
| i magnitude | 14.93 (0.005) | 14.97 (0.07) | ||
| z magnitude | 15.03 (0.005) | |||
| G magnitude | 14.70 (0.0006) | 14.68 (0.003) | ||
| BP magnitude | 14.67 (0.004) | |||
| RP magnitude | 14.61 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | 17.25 (0.005) | |||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | 18.88 (0.07) | |||
| E(B-V) | 0.070 | |||
* 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.