All names: KUV 23149+0736, Pul -3 1530009, CSI+07-23149, Balloon 93500002, Gaia DR2 2665713164985202816, KUV 813-12, Gaia EDR3 2665713164985202816, [TFW97] J231726.89+075204.93, LAMOST J231726.89+075205.0, Gaia DR3 2665713164985202816, uvby98 620001109, 2MASS J23172687+0752049, GSC 01161-00473, GALEX J231726.9+075205, [RRW93] Pn24l-44, PG 2314+076, PB 5319, PG2314+076, Feige 109, TIC 423299473
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 23 17 26.88 (0.04) | 23 17 26.89 | 23 17 26.88 (0.04) | ||
| Declination | 07 52 04.97 (0.03) | 07 52 04.65 | 07 52 04.91 (0.03) | ||
| Spectral type | sdB+WD | sdB1.5VIIIpHe0 | |||
| Effective temperature | [K] | 27200.0 (500) | |||
| log(g) | [cgs] | 5.65 (0.05) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 2.00 (0.04) | 1.89 (0.05) | 2.00 (0.04) | |
| Distance | [pc] | 499.43 (9) | 528.71 (15) | 499.43 (9) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.188 (0.06) | 0.32 (0.08) | 0.188 (0.06) | |
| Proper motion (declination) | [mas/yr] | 3.764 (0.03) | 3.794 (0.07) | 3.764 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.87 | ||||
| V magnitude | 13.92 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.13 (0.03) | 14.13 (0.03) | |||
| H magnitude | 14.28 (0.05) | 14.28 (0.05) | |||
| K magnitude | 14.36 (0.08) | 14.36 (0.08) | |||
| u magnitude | 13.94 (0.005) | ||||
| g magnitude | |||||
| r magnitude | 15.47 (0.01) | ||||
| i magnitude | 14.50 (0.005) | ||||
| z magnitude | 14.56 (0.006) | ||||
| G magnitude | 13.72 (0.003) | 13.74 (0.0006) | 13.72 (0.003) | ||
| BP magnitude | 13.63 (0.003) | 13.60 (0.007) | |||
| RP magnitude | 13.90 (0.004) | 13.91 (0.002) | |||
| Pan g magnitude | 13.60 (0.002) | ||||
| Pan r magnitude | 13.94 (0.004) | ||||
| Pan i magnitude | 14.25 (0.003) | ||||
| Pan z magnitude | 14.49 (0.003) | ||||
| Pan y magnitude | 14.63 (0.003) | ||||
| E(B-V) | 0.047 | ||||
* 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.