All names: SDSS J131252.07+403237.0, TIC 180607300, LAMOST J131252.08+403237.0, 2MASS J13125205+4032372, Gaia DR3 1525602452608228352
| Parameter | Unit | SDSS DR12 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|
| Right ascension | 13 12 52.09 | 13 12 52.04 (7) | 13 12 52.07 | |
| Declination | 40 32 37.07 | 40 32 37.27 (22) | 40 32 37.09 | |
| Spectral type | sdB | SDB+MS: | ||
| Effective temperature | [K] | 6894.0 (33) | ||
| log(g) | [cgs] | 5.03 (0.04) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | |||
| Distance | [pc] | |||
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | |||
| Proper motion (declination) | [mas/yr] | |||
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | WDMS | |||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.99 (0.1) | |||
| H magnitude | 15.81 (0.2) | |||
| K magnitude | ||||
| u magnitude | 15.31 (0.007) | 19.04 (0.03) | 19.32 (0.05) | |
| g magnitude | 14.34 (0.002) | 18.39 (0.009) | 18.72 (0.04) | |
| r magnitude | 14.00 (0.002) | 18.40 (0.01) | 18.76 (0.04) | |
| i magnitude | 13.81 (0.002) | 18.35 (0.01) | 18.70 (0.04) | |
| z magnitude | 13.68 (0.006) | 18.38 (0.04) | 18.70 (0.07) | |
| G magnitude | 21.45 (0.04) | |||
| BP magnitude | ||||
| RP magnitude | ||||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | ||||
* 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.