All names: Gaia DR2 4034502959999559168, 2MASS J11520403+3908271, GALEX J115204.0+390827, LAMOST J115204.03+390827.0, UCAC4 646-050043, FBS B 85, TIC 309591474, WISE J115204.07+390827.1, PG 1149+394, FBS 1149+394, Gaia DR3 4034502959999559168, PG1149+394, KUV 352-1, KUV 11495+3925, CBS 447
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 11 52 04.00 | 11 52 04.04 (0.03) | ||
| Declination | 39 08 28.02 | 39 08 27.22 (0.03) | ||
| Spectral type | sdO | sdB | ||
| Effective temperature | [K] | 55800.0 (2480) | ||
| log(g) | [cgs] | 5.48 (0.09) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.77 (0.06) | 0.50 (0.04) | |
| Distance | [pc] | 1291.66 (102) | 2012.07 (176) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.387 (0.1) | 7.437 (0.04) | |
| Proper motion (declination) | [mas/yr] | -12.307 (0.09) | -12.008 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.33 (0.03) | |||
| V magnitude | 15.46 (0.01) | |||
| R magnitude | 15.78 (0.2) | |||
| I magnitude | ||||
| J magnitude | 15.27 (0.05) | 15.27 (0.05) | ||
| H magnitude | 15.25 (0.08) | 15.25 (0.08) | ||
| K magnitude | 15.36 (0.1) | 15.36 (0.1) | ||
| u magnitude | 14.86 (0.004) | |||
| g magnitude | 15.17 (0.003) | 15.37 (0.01) | ||
| r magnitude | 15.53 (0.004) | 15.71 (0.01) | ||
| i magnitude | 15.72 (0.004) | 15.63 (0.01) | ||
| z magnitude | 15.88 (0.006) | |||
| G magnitude | 15.36 (0.0009) | 15.34 (0.003) | ||
| BP magnitude | 15.22 (0.009) | |||
| RP magnitude | 15.40 (0.006) | |||
| Pan g magnitude | 15.28 (0.009) | |||
| Pan r magnitude | 15.55 (0.004) | |||
| Pan i magnitude | 15.75 (0.002) | |||
| Pan z magnitude | 15.89 (0.005) | |||
| Pan y magnitude | 15.97 (0.004) | |||
| E(B-V) | 0.018 | |||
* 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.