All names: GALEXJ09007+1157, TIC 323473772, Gaia EDR3 604416389491246976, WISEA J090042.68+115749.6, WISE J090042.68+115749.6, Gaia DR2 604416389491246976, SDSS J090042.68+115749.9, 2MASS J09004267+1157500, UCAC4 510-049138, Gaia DR3 604416389491246976, UCAC2 35932719
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 09 00 42.69 (0.03) | 09 00 42.79 | 09 00 42.68 (0.03) | ||
| Declination | 11 57 49.76 (0.02) | 11 57 52.20 | 11 57 50.02 (0.02) | ||
| Spectral type | sdB | sdB | |||
| 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] | 0.94 (0.04) | 0.76 (0.06) | 0.94 (0.04) | |
| Distance | [pc] | 1067.58 (50) | 1310.79 (105) | 1067.58 (50) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 10.898 (0.04) | 10.921 (0.1) | 10.898 (0.04) | |
| Proper motion (declination) | [mas/yr] | -16.226 (0.03) | -16.12 (0.07) | -16.226 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.63 (0.04) | ||||
| V magnitude | 14.82 (0.03) | ||||
| R magnitude | 14.71 (0.3) | ||||
| I magnitude | |||||
| J magnitude | 15.50 (0.06) | 15.50 (0.06) | |||
| H magnitude | 15.41 (0.1) | 15.41 (0.1) | |||
| K magnitude | 16.07 | ||||
| u magnitude | 14.26 (0.004) | ||||
| g magnitude | 14.53 (0.003) | 14.61 (0.04) | |||
| r magnitude | 15.03 (0.004) | 15.04 (0.04) | |||
| i magnitude | 15.38 (0.004) | 15.36 (0.07) | |||
| z magnitude | 15.69 (0.006) | ||||
| G magnitude | 14.78 (0.003) | 14.79 (0.0007) | 14.78 (0.003) | ||
| BP magnitude | 14.63 (0.003) | 14.58 (0.006) | |||
| RP magnitude | 15.06 (0.004) | 15.06 (0.003) | |||
| Pan g magnitude | 14.60 (0.01) | ||||
| Pan r magnitude | 15.04 (0.003) | ||||
| Pan i magnitude | 15.39 (0.001) | ||||
| Pan z magnitude | 15.68 (0.005) | ||||
| Pan y magnitude | 15.85 (0.008) | ||||
| E(B-V) | 0.029 | ||||
* 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.