All names: 2MASS J15141697-1114126, UCAC2 27855091, UCAC4 394-058432, HE 1511-1103, Gaia DR2 6318694764197053952, Gaia DR3 6318694764197053952, Gaia EDR3 6318694764197053952, PG1511-110, PG 1511-110, TIC 79286767
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 15 14 17.00 (0.04) | 15 14 16.97 | 15 14 17.00 (0.04) | ||
| Declination | -11 14 12.51 (0.03) | -11 14 12.17 | -11 14 12.48 (0.03) | ||
| Spectral type | He-sdO | sdOHe | |||
| Effective temperature | [K] | 42298.0 (1000) | |||
| log(g) | [cgs] | 5.68 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.79 (0.04) | 0.85 (0.07) | 0.79 (0.04) | |
| Distance | [pc] | 1263.10 (70) | 1177.44 (93) | 1263.10 (70) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.48 (0.05) | 0.204 (0.1) | 0.48 (0.05) | |
| Proper motion (declination) | [mas/yr] | -1.982 (0.04) | -1.853 (0.1) | -1.982 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.80 (0.06) | ||||
| V magnitude | 14.97 (0.04) | ||||
| R magnitude | 15.23 (0.07) | ||||
| I magnitude | |||||
| J magnitude | 15.60 (0.07) | 15.60 (0.07) | |||
| H magnitude | 15.65 (0.1) | 15.65 (0.1) | |||
| K magnitude | 15.31 | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 14.93 (0.003) | 14.95 (0.001) | 14.93 (0.003) | ||
| BP magnitude | 14.81 (0.004) | 14.76 (0.01) | |||
| RP magnitude | 15.14 (0.004) | 15.15 (0.005) | |||
| Pan g magnitude | 14.80 (0.002) | ||||
| Pan r magnitude | 15.15 (0.001) | ||||
| Pan i magnitude | 15.48 (0.002) | ||||
| Pan z magnitude | 15.72 (0.0004) | ||||
| Pan y magnitude | 15.91 (0.007) | ||||
| E(B-V) | 0.090 | ||||
* 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.