All names: [ZEH2003] RX J1454.5+2956 2, USNO-B1.0 1199-00226726, GALEX J145432.0+295650, Gaia DR3 1281976651853340288, Gaia DR2 1281976651853340288, SDSS J145432.11+295650.6, SDSSJ145432.11+295650.6
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 54 32.11 | 14 54 32.12 (0.03) | ||
| Declination | 29 56 50.60 | 29 56 50.67 (0.05) | ||
| Spectral type | sdOB | sdOB | ||
| Effective temperature | [K] | 34386.0 (959) | ||
| log(g) | [cgs] | 5.79 (0.2) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.36 (0.1) | 0.21 (0.07) | |
| Distance | [pc] | 2776.24 (744) | 4798.46 (1722) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -12.84 (0.1) | -12.58 (0.07) | |
| Proper motion (declination) | [mas/yr] | -10.111 (0.1) | -9.69 (0.07) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.80 | |||
| V magnitude | ||||
| R magnitude | 17.20 | |||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 16.73 (0.007) | 16.73 (0.007) | ||
| g magnitude | 17.03 (0.004) | 17.03 (0.004) | ||
| r magnitude | 17.55 (0.006) | 17.55 (0.006) | ||
| i magnitude | 17.84 (0.007) | 17.84 (0.007) | ||
| z magnitude | 18.15 (0.02) | 18.15 (0.02) | ||
| G magnitude | 17.31 (0.001) | 17.28 (0.003) | ||
| BP magnitude | 17.06 (0.007) | |||
| RP magnitude | 17.55 (0.006) | |||
| Pan g magnitude | 17.12 (0.004) | |||
| Pan r magnitude | 17.54 (0.004) | |||
| Pan i magnitude | 17.89 (0.005) | |||
| Pan z magnitude | 18.13 (0.009) | |||
| Pan y magnitude | 18.35 (0.03) | |||
| E(B-V) | 0.026 | |||
* 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.