All names: SDSS J130214.31+120822.2, SDSS J130214.32+120822.1, GALEX J130214.3+120822, TIC 88190393, SDSSJ130214.31+120822.1, Gaia EDR3 3737286408457441280, 2MASS J13021431+1208224, SDSS J130214.32+120822.17, Gaia DR3 3737286408457441280, LAMOST J130214.33+120822.7, Gaia DR2 3737286408457441280
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 02 14.31 (0.05) | 13 02 14.31 | 13 02 14.31 | 13 02 14.31 (0.06) | 13 02 14.31 (0.05) | ||||
| Declination | 12 08 22.24 (0.04) | 12 08 22.21 | 12 08 22.10 | 12 08 22.24 (0.05) | 12 08 22.28 (0.04) | ||||
| Spectral type | sdB | sdO | sdO | ||||||
| Effective temperature | [K] | 34461.0 (133) | |||||||
| log(g) | [cgs] | 5.93 (0.03) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.38 (0.07) | 0.39 (0.08) | 0.39 (0.08) | 0.38 (0.07) | ||||
| Distance | [pc] | 2652.67 (474) | 2572.02 (536) | 2572.24 (537) | 2652.52 (474) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 1.704175846 (0.08) | 1.449 (0.2) | 1.448593763 (0.2) | 1.704 (0.08) | ||||
| Proper motion (declination) | [mas/yr] | -2.486193737 (0.07) | -2.297 (0.1) | -2.297221487 (0.1) | -2.486 (0.07) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.90 (0.1) | 17.09 (0.02) | |||||||
| H magnitude | 17.57 | 17.20 (0.03) | |||||||
| K magnitude | 16.89 | 17.18 (0.06) | |||||||
| u magnitude | 15.87 (0.005) | 15.87 (0.005) | 15.87 (0.01) | 15.87 (0.005) | |||||
| g magnitude | 16.14 (0.004) | 16.14 (0.004) | 16.14 (0) | 16.14 (0.004) | |||||
| r magnitude | 16.64 (0.004) | 16.64 (0.004) | 16.64 (0) | 16.64 (0.004) | |||||
| i magnitude | 16.99 (0.005) | 16.99 (0.005) | 16.99 (0.01) | 16.99 (0.005) | |||||
| z magnitude | 17.35 (0.01) | 17.35 (0.01) | 17.35 (0.01) | 17.35 (0.01) | |||||
| G magnitude | 16.40 (0.003) | 16.42 (0.001) | 16.42 | 16.40 (0.003) | |||||
| BP magnitude | 16.25 (0.003) | 16.20 (0.009) | 16.20 | ||||||
| RP magnitude | 16.69 (0.005) | 16.68 (0.007) | 16.68 | ||||||
| Pan g magnitude | 16.23 (0.005) | 16.23 (0.005) | |||||||
| Pan r magnitude | 16.65 (0.004) | 16.65 (0.004) | |||||||
| Pan i magnitude | 17.02 (0.002) | 17.02 (0.002) | |||||||
| Pan z magnitude | 17.29 (0.003) | 17.29 (0.003) | |||||||
| Pan y magnitude | 17.48 (0.009) | 17.48 (0.009) | |||||||
| E(B-V) | 0.023 | ||||||||
* 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.