PN HDW 4
All names: PN G156.3+12.5, PN HDW 4, PN HaWe 6, PK 156+12 1, HDW 4, Gaia DR3 268129413812162816, Gaia EDR3 268129413812162816, Gaia DR2 268129413812162816, WD 0533+555, GALEX J053756.4+553214, GSC2 N31232217392
| 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 | 05 37 56.27 (0.06) | 05 37 56.27 (0.09) | 05 37 56.27 | 05 37 56.23 (0.06) | 05 37 56.47 | |||||
| Declination | 55 32 15.45 (0.05) | 55 32 15.46 (0.1) | 55 32 15.45 | 55 32 15.75 (0.05) | 55 32 09.24 | |||||
| Spectral type | DA | DA | DA | DA1.0 | DA | |||||
| Effective temperature | [K] | 21001.0 | 49350.0 (1060) | 32804.0 (943) | ||||||
| log(g) | [cgs] | 7.01 | 8.00 (0.08) | 7.57 (0.03) | ||||||
| Mass | [M☉] | 0.272 | 0.69 (0.04) | 0.461 (0.02) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.2511 | ||||||||
| 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] | 3.41 (0.07) | 3.35 (0.1) | 3.41 | 3.41 (0.07) | |||||
| Distance | [pc] | 292.99 (6) | 298.13 (9) | 304.00 | 292.99 | 292.99 (6) | ||||
| Composition | H | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 19.56136071 (0.07) | 19.52605431 (0.1) | 19.561 (0.07) | ||||||
| Proper motion (declination) | [mas/yr] | -18.69264239 (0.06) | -18.87947399 (0.2) | -18.693 (0.06) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 16.31 (0.01) | |||||||||
| V magnitude | 16.54 (0.01) | |||||||||
| R magnitude | 16.64 (0.02) | |||||||||
| I magnitude | 16.74 (0.02) | |||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 16.48 (0.003) | 16.51 | 16.48 | 16.48 (0.003) | ||||||
| BP magnitude | 16.36 (0.003) | 16.30 | ||||||||
| RP magnitude | 16.73 (0.006) | 16.72 | ||||||||
| Pan g magnitude | 16.34 (0.003) | |||||||||
| Pan r magnitude | 16.73 (0.005) | |||||||||
| Pan i magnitude | 17.05 (0.003) | |||||||||
| Pan z magnitude | 17.31 (0.007) | |||||||||
| Pan y magnitude | 17.49 (0.008) | |||||||||
| E(B-V) | 0.065 | |||||||||
* Constant surface field
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