WD 1539+530
All names: SBSS 1539+530, Gaia DR2 1596867607998367744, WD 1539+530, Gaia DR3 1596867607998367744, Gaia EDR3 1596867607998367744, GALEX J154054.1+525242, PG 1539+530, SDSS J154054.16+525242.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 40 54.19 (0.04) | 15 40 54.19 (0.05) | 15 40 54.19 | 15 40 54.16 (0.04) | 15 40 54.22 | |||||
| Declination | 52 52 42.47 (0.05) | 52 52 42.47 (0.06) | 52 52 42.47 | 52 52 42.33 (0.05) | 52 52 44.04 | |||||
| Spectral type | DA | DA | DA | DA1.9 | DA2+dm2 | |||||
| Effective temperature | [K] | 20735.0 | 26790.0 (404) | 23666.0 (761) | ||||||
| log(g) | [cgs] | 7.67 | 7.89 (0.05) | 7.81 (0.03) | ||||||
| Mass | [M☉] | 0.461 | 0.58 (0.02) | 0.533 (0.02) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.0350 | ||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| log(C/H) | ||||||||||
| log(N/H) | ||||||||||
| log(O/H) | ||||||||||
| log(Na/H) | ||||||||||
| log(Mg/H) | ||||||||||
| log(Al/H) | ||||||||||
| log(Si/H) | ||||||||||
| log(P/H) | ||||||||||
| log(S/H) | ||||||||||
| log(Sc/H) | ||||||||||
| log(Ti/H) | ||||||||||
| log(Cr/H) | ||||||||||
| log(Mn/H) | ||||||||||
| log(Fe/H) | ||||||||||
| log(Ni/H) | ||||||||||
| Parallax | [mas] | 5.59 (0.05) | 5.50 (0.06) | 5.59 | 5.59 (0.05) | |||||
| Distance | [pc] | 179.04 (2) | 181.97 (2) | 150.00 | 179.04 | 179.04 (2) | ||||
| Composition | H | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 18.04531217 (0.05) | 18.05712252 (0.1) | 18.045 (0.06) | ||||||
| Proper motion (declination) | [mas/yr] | 9.177295372 (0.06) | 9.443777877 (0.1) | 9.177 (0.06) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | yes | |||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 16.14 (0.005) | |||||||||
| g magnitude | 16.21 (0.003) | |||||||||
| r magnitude | 16.64 (0.004) | |||||||||
| i magnitude | 16.99 (0.006) | |||||||||
| z magnitude | 17.57 (0.02) | |||||||||
| G magnitude | 16.51 (0.006) | 16.53 | 16.51 | 16.51 (0.003) | ||||||
| BP magnitude | 16.38 (0.006) | 16.32 | ||||||||
| RP magnitude | 16.66 (0.02) | 16.63 | ||||||||
| Pan g magnitude | 16.34 (0.002) | |||||||||
| Pan r magnitude | 16.74 (0.004) | |||||||||
| Pan i magnitude | 17.08 (0.006) | |||||||||
| Pan z magnitude | 17.33 (0.006) | |||||||||
| Pan y magnitude | 17.44 (0.02) | |||||||||
| E(B-V) | 0.016 | |||||||||
* Constant surface field
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