All names: [HMD92] 864-1, Gaia EDR3 3637481302758519040, TIC 175402069, PG 1336-018, LAMOST J133848.15-020149.0, LAMOST J133848.15-020149.2, FBS 1336-017, SDSS J133848.14-020149.2, WISE J133848.15-020149.2, UCAC2 31015205, PG1336-018, UCAC4 440-056426, [TFW97] J133848.15-020149.17, GSC 04966-00491, 2MASS J13384814-0201491, WISEA J133848.14-020149.2, Gaia DR2 3637481302758519040, ATO J204.7006-02.0303, LAMOST J133848.14-020149.2, V* NY Vir, Gaia DR3 3637481302758519040
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 13 38 48.14 (0.03) | 13 38 48.16 | 13 38 48.15 (0.03) | ||
| Declination | -02 01 49.40 (0.02) | -02 01 48.53 | -02 01 49.21 (0.02) | ||
| Spectral type | sdBV+dM | sdB1VIIHe1 | |||
| Effective temperature | [K] | 32800.0 (500) | |||
| log(g) | [cgs] | 5.76 (0.05) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.68 (0.04) | 1.81 (0.06) | 1.68 (0.04) | |
| Distance | [pc] | 595.20 (13) | 552.00 (19) | 595.20 (13) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -6.145 (0.05) | -6.112 (0.1) | -6.145 (0.05) | |
| Proper motion (declination) | [mas/yr] | -12.054 (0.03) | -11.914 (0.09) | -12.054 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.43 (0.2) | ||||
| V magnitude | 13.66 (0.3) | ||||
| R magnitude | 13.75 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 14.59 (0.04) | 14.59 (0.04) | |||
| H magnitude | 14.65 (0.05) | 14.65 (0.05) | |||
| K magnitude | 14.63 (0.1) | 14.63 (0.1) | |||
| u magnitude | 12.93 (0.003) | 12.93 (0.003) | |||
| g magnitude | 13.29 (0.06) | ||||
| r magnitude | 13.58 (0.003) | 13.81 (0.2) | |||
| i magnitude | 16.36 (0.01) | 14.12 (0.1) | |||
| z magnitude | 14.23 (0.004) | 14.23 (0.004) | |||
| G magnitude | 13.37 (0.005) | 13.39 (0.006) | 13.37 (0.005) | ||
| BP magnitude | 13.23 (0.01) | 13.21 (0.02) | |||
| RP magnitude | 13.64 (0.02) | 13.63 (0.02) | |||
| Pan g magnitude | 13.25 (0.02) | ||||
| Pan r magnitude | 13.59 (0.05) | ||||
| Pan i magnitude | 13.97 (0.02) | ||||
| Pan z magnitude | 14.09 (0.004) | ||||
| Pan y magnitude | 14.46 (0.004) | ||||
| E(B-V) | 0.026 | ||||
* 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.