All names: 2MASS J09351213+3110003, LAMOST J093512.20+310959.3, Ton 438, Gaia DR2 697707958245002880, LAMOST J093512.15+311000.5, GALEX J093512.0+310959, LAMOST J093512.15+311000.4, UCAC4 606-045502, Gaia DR3 697707958245002880, TIC 8901716, Gaia EDR3 697707958245002880, PG0932+314, PG 0932+314, LAMOST J093512.16+311000.4, CBS 14, SDSS J093512.15+311000.4
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 09 35 12.16 (0.05) | 09 35 12.17 | 09 35 12.16 (0.05) | ||
| Declination | 31 10 00.42 (0.03) | 31 10 00.42 | 31 10 00.44 (0.03) | ||
| Spectral type | sdB | sdOBHe11 | |||
| Effective temperature | [K] | 33440.0 (670) | |||
| log(g) | [cgs] | 5.84 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.46 (0.06) | 0.27 (0.1) | 0.46 (0.06) | |
| Distance | [pc] | 2156.57 (293) | 3732.74 (1594) | 2156.57 (293) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -6.02 (0.06) | -6.241 (0.1) | -6.02 (0.06) | |
| Proper motion (declination) | [mas/yr] | -1.16 (0.04) | -1.117 (0.1) | -1.16 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.45 (0.08) | ||||
| V magnitude | 15.63 (0.04) | ||||
| R magnitude | 15.46 (0.3) | ||||
| I magnitude | |||||
| J magnitude | 16.40 (0.1) | 16.37 (0.008) | |||
| H magnitude | 16.47 | 16.54 (0.02) | |||
| K magnitude | 16.68 | 16.63 (0.04) | |||
| u magnitude | 15.05 (0.004) | 15.05 (0.004) | |||
| g magnitude | 15.34 (0.003) | 15.34 (0.003) | |||
| r magnitude | 15.86 (0.004) | 15.86 (0.004) | |||
| i magnitude | 16.23 (0.004) | 16.23 (0.004) | |||
| z magnitude | 16.56 (0.009) | 16.56 (0.009) | |||
| G magnitude | 15.61 (0.003) | 15.63 (0.001) | 15.61 (0.003) | ||
| BP magnitude | 15.45 (0.004) | 15.39 (0.005) | |||
| RP magnitude | 15.93 (0.005) | 15.93 (0.004) | |||
| Pan g magnitude | 15.41 (0.007) | ||||
| Pan r magnitude | 15.89 (0.004) | ||||
| Pan i magnitude | 16.26 (0.004) | ||||
| Pan z magnitude | 16.54 (0.005) | ||||
| Pan y magnitude | 16.75 (0.006) | ||||
| 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.