All names: PG1449+530, PG 1449+530, SBSS 1449+530, CBS 290, TIC 161026823, Gaia DR3 1605724311599744640, 2MASS J14511746+5250205, UCAC4 715-052994, GALEX J145117.4+525020, SDSS J145117.45+525020.5, Gaia DR2 1605724311599744640
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 51 17.41 | 14 51 17.46 (0.03) | ||
| Declination | 52 50 20.39 | 52 50 20.47 (0.03) | ||
| Spectral type | sdO | sdO | ||
| 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] | 0.35 (0.05) | 0.41 (0.03) | |
| Distance | [pc] | 2872.74 (406) | 2443.79 (202) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -7.352 (0.07) | -7.237 (0.03) | |
| Proper motion (declination) | [mas/yr] | -1.305 (0.08) | -1.383 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.09 (0.01) | |||
| V magnitude | 15.30 (0.04) | |||
| R magnitude | 15.59 (0.2) | |||
| I magnitude | ||||
| J magnitude | 16.02 (0.08) | 16.02 (0.08) | ||
| H magnitude | 16.50 | |||
| K magnitude | 15.59 | |||
| u magnitude | 14.53 (0.004) | |||
| g magnitude | 14.95 (0.004) | 15.15 (0.04) | ||
| r magnitude | 15.49 (0.004) | 15.60 (0.1) | ||
| i magnitude | 15.87 (0.005) | 15.87 (0.01) | ||
| z magnitude | 16.20 (0.008) | |||
| G magnitude | 15.25 (0.0008) | 15.23 (0.003) | ||
| BP magnitude | 14.99 (0.007) | |||
| RP magnitude | 15.54 (0.003) | |||
| Pan g magnitude | 15.06 (0.002) | |||
| Pan r magnitude | 15.51 (0.004) | |||
| Pan i magnitude | 15.89 (0.003) | |||
| Pan z magnitude | 16.18 (0.004) | |||
| Pan y magnitude | 16.38 (0.008) | |||
| E(B-V) | 0.020 | |||
* 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.