All names: WD 0258+184, Gaia DR2 35928500943041152, PG0258+184, UCAC2 38377299, GALEX J030112.8+184055, LAMOST J030112.86+184054.1, HIDDEN NAME PG 0258+184, PG 0258+185, TIC 91516678, Gaia DR3 35928500943041152, 2MASS J03011287+1840539, UCAC4 544-005624, Gaia EDR3 35928500943041152
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 01 12.88 (0.05) | 03 01 12.86 | 03 01 12.88 (0.06) | 03 01 12.87 (0.05) | 03 01 11.62 | |||
| Declination | 18 40 53.82 (0.05) | 18 40 54.00 | 18 40 53.82 (0.05) | 18 40 53.90 (0.05) | 18 40 49.44 | |||
| Spectral type | sdB+MS | sdB+G8 | DA | |||||
| Effective temperature | [K] | 28092.0 (0) | ||||||
| log(g) | [cgs] | 5.52 (0) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.62 (0.06) | 0.61 (0.06) | 0.61 (0.06) | 0.62 (0.06) | |||
| Distance | [pc] | 1611.96 (154) | 1632.39 (168) | 1632.39 (168) | 1611.86 (154) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 9.494342353 (0.07) | 8.611 (0.1) | 8.611 (0.1) | 9.494 (0.07) | |||
| Proper motion (declination) | [mas/yr] | -5.030530744 (0.07) | -4.728 (0.1) | -4.728 (0.1) | -5.031 (0.07) | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.49 (0.02) | |||||||
| V magnitude | 15.41 (0.01) | |||||||
| R magnitude | 15.75 (0.1) | |||||||
| I magnitude | ||||||||
| J magnitude | 14.99 (0.04) | 14.99 (0.04) | ||||||
| H magnitude | 14.80 (0.07) | 14.80 (0.07) | ||||||
| K magnitude | 14.47 (0.08) | 14.47 (0.08) | ||||||
| u magnitude | 15.40 (0.004) | |||||||
| g magnitude | 15.37 (0.003) | |||||||
| r magnitude | 15.55 (0.004) | |||||||
| i magnitude | 15.64 (0.004) | |||||||
| z magnitude | 15.72 (0.006) | |||||||
| G magnitude | 15.40 (0.005) | 15.42 (0.0008) | 15.42 | 15.40 (0.003) | ||||
| BP magnitude | 15.42 (0.005) | 15.39 (0.01) | 15.39 | |||||
| RP magnitude | 15.31 (0.004) | 15.31 (0.005) | 15.31 | |||||
| Pan g magnitude | 15.41 (0.005) | 15.41 (0.005) | ||||||
| Pan r magnitude | 15.56 (0.003) | 15.56 (0.003) | ||||||
| Pan i magnitude | 15.64 (0.002) | 15.64 (0.002) | ||||||
| Pan z magnitude | 15.73 (0.003) | 15.73 (0.003) | ||||||
| Pan y magnitude | 15.75 (0.007) | 15.75 (0.007) | ||||||
| E(B-V) | 0.118 | |||||||
* 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.