All names: WD 2352-255, 1SWASP J235530.18-251612.7, GALEX J235530.1-251613, 2MASS J23553020-2516129, GSC 06985-00398, TIC 34039952, WISEA J235530.20-251613.1, Gaia DR3 2337987064149164672, G 275-B17B, SB 911, UCAC3 130-484726, WISE J235530.19-251613.0, UCAC2 21675214, BPS CS 29499-0066, UCAC4 324-219116, [PS72] 180, Gaia EDR3 2337987064149164672, Gaia DR2 2337987064149164672
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 23 55 30.21 (0.02) | 23 55 30.21 (0.04) | 23 55 30.20 (0.02) | 23 55 30.58 | |||
| Declination | -25 16 13.22 (0.02) | -25 16 13.22 (0.03) | -25 16 13.08 (0.02) | -25 16 17.76 | |||
| Spectral type | sdB | DA | |||||
| 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] | 0.31 (0.02) | 0.34 (0.05) | 0.31 (0.02) | |||
| Distance | [pc] | 3244.03 (221) | 2952.47 (416) | 3243.59 (221) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 8.276082128 (0.02) | 8.283 (0.07) | 8.276 (0.02) | |||
| Proper motion (declination) | [mas/yr] | -8.744796645 (0.02) | -8.851 (0.07) | -8.745 (0.02) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 13.88 (0.01) | ||||||
| V magnitude | 13.90 (0.02) | ||||||
| R magnitude | 14.17 (0.1) | ||||||
| I magnitude | |||||||
| J magnitude | 13.88 (0.02) | ||||||
| H magnitude | 13.86 (0.04) | ||||||
| K magnitude | 13.83 (0.05) | ||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 13.88 (0.0009) | 13.90 | 13.88 (0.003) | ||||
| BP magnitude | 13.88 (0.0009) | 13.87 | |||||
| RP magnitude | 13.88 (0.001) | 13.89 | |||||
| Pan g magnitude | 13.82 (0.001) | ||||||
| Pan r magnitude | 14.04 (0.003) | ||||||
| Pan i magnitude | 14.24 (0.002) | ||||||
| Pan z magnitude | 14.35 (0.007) | ||||||
| Pan y magnitude | 14.40 (0.008) | ||||||
| E(B-V) | 0.010 | ||||||
* 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.