All names: SDSS J004213.46+103910.6, HIDDEN NAME PG 0039+103, UCAC4 504-001120, TIC 401466680, 2MASS J00421346+1039106, Gaia EDR3 2774528880143880960, Gaia DR2 2774528880143880960, Gaia DR3 2774528880143880960, UCAC2 35506042, PG0039+103, WISE J004213.44+103910.7, GALEX J004213.3+103911, PG 0039+104, WISEA J004213.47+103910.5
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 00 42 13.46 (0.04) | 00 42 13.50 | 00 42 13.47 (0.04) | ||
| Declination | 10 39 10.55 (0.02) | 10 39 11.30 | 10 39 10.69 (0.02) | ||
| Spectral type | sdOB | sdBO | |||
| Effective temperature | [K] | ||||
| log(g) | [cgs] | ||||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.81 (0.04) | 0.82 (0.06) | 0.81 (0.04) | |
| Distance | [pc] | 1231.53 (61) | 1216.40 (90) | 1231.53 (61) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -9.217 (0.05) | -9.171 (0.1) | -9.217 (0.05) | |
| Proper motion (declination) | [mas/yr] | -8.766 (0.03) | -8.663 (0.08) | -8.766 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.04 (0.06) | ||||
| V magnitude | 15.16 (0.04) | ||||
| R magnitude | 15.57 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 15.60 (0.06) | 15.60 (0.06) | |||
| H magnitude | 15.72 (0.1) | 15.72 (0.1) | |||
| K magnitude | 17.06 | ||||
| u magnitude | 14.67 (0.005) | ||||
| g magnitude | 14.91 (0.004) | 15.00 (0.05) | |||
| r magnitude | 15.32 (0.004) | 15.35 (0.07) | |||
| i magnitude | 15.64 (0.005) | 15.74 (0.01) | |||
| z magnitude | 15.94 (0.007) | ||||
| G magnitude | 15.12 (0.003) | 15.14 (0.0005) | 15.12 (0.003) | ||
| BP magnitude | 15.00 (0.003) | 14.95 (0.007) | |||
| RP magnitude | 15.34 (0.004) | 15.35 (0.003) | |||
| Pan g magnitude | 14.98 (0.005) | ||||
| Pan r magnitude | 15.35 (0.003) | ||||
| Pan i magnitude | 15.67 (0.003) | ||||
| Pan z magnitude | 15.92 (0.005) | ||||
| Pan y magnitude | 16.10 (0.009) | ||||
| E(B-V) | 0.040 | ||||
* 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.