All names: WISEA J235530.20-251613.1, WD 2352-255, Gaia EDR3 2337987064149164672, GALEX J235530.1-251613, SB 911, BPS CS 29499-0066, G 275-B17B, UCAC2 21675214, [PS72] 180, Gaia DR2 2337987064149164672, WISE J235530.19-251613.0, UCAC3 130-484726, TIC 34039952, 1SWASP J235530.18-251612.7, 2MASS J23553020-2516129, Gaia DR3 2337987064149164672, UCAC4 324-219116, GSC 06985-00398
| 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.