All names: LAMOST J083603.96+155215.4, LAMOST J083603.98+155216.3, EPIC 211696659, SDSS J083603.98+155216.4, TIC 21223262, 2MASS J08360398+1552161, UCAC2 37358743, Gaia EDR3 657873717121550976, SDSSJ083603.98+155216.4, Gaia DR2 657873717121550976, GALEX J083603.8+155214, Gaia DR3 657873717121550976, UCAC4 530-047871
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 36 03.99 (0.04) | 08 36 03.98 | 08 36 03.99 (0.04) | ||
| Declination | 15 52 16.31 (0.03) | 15 52 16.40 | 15 52 16.38 (0.03) | ||
| Spectral type | sdB | sdB2.5He7 | |||
| Effective temperature | [K] | 27100.0 (640) | |||
| log(g) | [cgs] | 5.42 (0.07) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.70 (0.04) | 0.58 (0.08) | 0.70 (0.04) | |
| Distance | [pc] | 1420.25 (89) | 1728.31 (239) | 1420.25 (89) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.596 (0.04) | 0.448 (0.1) | 0.596 (0.04) | |
| Proper motion (declination) | [mas/yr] | -4.261 (0.03) | -4.268 (0.08) | -4.261 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.26 (0.02) | ||||
| V magnitude | 15.41 (0.06) | ||||
| R magnitude | 15.62 (0.04) | ||||
| I magnitude | |||||
| J magnitude | 15.97 (0.07) | 15.97 (0.07) | |||
| H magnitude | 15.93 (0.1) | 15.93 (0.1) | |||
| K magnitude | 16.96 | ||||
| u magnitude | 15.00 (0.004) | 15.00 (0.004) | |||
| g magnitude | 15.13 (0.004) | 15.13 (0.004) | |||
| r magnitude | 15.57 (0.004) | 15.57 (0.004) | |||
| i magnitude | 15.92 (0.005) | 15.92 (0.005) | |||
| z magnitude | 16.24 (0.008) | 16.24 (0.008) | |||
| G magnitude | 15.38 (0.003) | 15.40 (0.0007) | 15.38 (0.003) | ||
| BP magnitude | 15.26 (0.004) | 15.21 (0.006) | |||
| RP magnitude | 15.62 (0.005) | 15.61 (0.004) | |||
| Pan g magnitude | 15.22 (0.002) | ||||
| Pan r magnitude | 15.62 (0.002) | ||||
| Pan i magnitude | 15.95 (0.004) | ||||
| Pan z magnitude | 16.22 (0.005) | ||||
| Pan y magnitude | 16.40 (0.009) | ||||
| E(B-V) | 0.033 | ||||
* 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.