WD 1551+013A
All names: PSO J155340.357+011335.390, WD 1551+013A, SDSS J155412.85+011119.8, WD 1551+013, WD 1551+013.1, Gaia DR2 4411086719010565888, SDSS J155340.36+011335.3
| Parameter | Unit | MWDD HE | Pan-STARRS DR1 | Gaia DR2 | Harris et al. 2003 | SDSS DR12 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 53 40.35 (0.4) | 15 53 40.36 | 15 53 40.36 | 15 54 11.52 | 15 53 39.48 | 15 53 40.36 | ||||
| Declination | 01 13 35.30 (0.3) | 01 13 35.21 | 01 13 35.29 | 01 11 12.48 | 01 13 28.20 | 01 13 35.30 | ||||
| Spectral type | DB4 | DB4 | DB | DA2.7 | DB3.2 | DB | ||||
| Effective temperature | [K] | 11231.0 | 15117.0 (413) | |||||||
| log(g) | [cgs] | 7.66 | 8.23 (0.3) | |||||||
| Mass | [M☉] | 0.408 | 0.7240000000000001 (0.2) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.3035 | ||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| log(N/He) | ||||||||||
| log(O/He) | ||||||||||
| log(Na/He) | ||||||||||
| log(Mg/He) | ||||||||||
| log(Al/He) | ||||||||||
| log(Si/He) | ||||||||||
| log(P/He) | ||||||||||
| log(S/He) | ||||||||||
| log(Cl/He) | ||||||||||
| log(Sc/He) | ||||||||||
| log(Ti/He) | ||||||||||
| log(V/He) | ||||||||||
| log(Cr/He) | ||||||||||
| log(Mn/He) | ||||||||||
| log(Fe/He) | ||||||||||
| log(Co/He) | ||||||||||
| log(Ni/He) | ||||||||||
| log(Cu/He) | ||||||||||
| log(Zn/He) | ||||||||||
| log(Ga/He) | ||||||||||
| log(Ge/He) | ||||||||||
| log(Sr/He) | ||||||||||
| Parallax | [mas] | 2.61 (0.5) | ||||||||
| Distance | [pc] | 383.86 (70) | ||||||||
| Composition | He | |||||||||
| Proper motion (right ascension) | [mas/yr] | -0.252280558 (0.9) | 0.0 | |||||||
| Proper motion (declination) | [mas/yr] | 5.587802596 (0.7) | 1.0 | |||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.43 | 19.38 (0.03) | 19.41 | 18.79 | 19.43 | 19.41 (0.03) | ||||
| g magnitude | 19.35 | 19.30 (0.01) | 19.33 | 18.54 | 19.35 | 19.33 (0.02) | ||||
| r magnitude | 19.53 | 19.50 (0.02) | 19.53 | 18.79 | 19.53 | 19.53 (0.02) | ||||
| i magnitude | 19.69 | 19.67 (0.03) | 19.71 | 18.99 | 19.68 | 19.71 (0.03) | ||||
| z magnitude | 19.90 | 19.94 (0.1) | 19.97 | 19.23 | 19.89 | 19.97 (0.1) | ||||
| G magnitude | 19.45 | |||||||||
| BP magnitude | 19.34 | |||||||||
| RP magnitude | 19.47 | |||||||||
| Pan g magnitude | 19.38 (0.008) | |||||||||
| Pan r magnitude | 19.53 (0.005) | |||||||||
| Pan i magnitude | 19.74 (0.007) | |||||||||
| Pan z magnitude | 19.89 (0.01) | |||||||||
| Pan y magnitude | 19.85 (0.06) | |||||||||
* Constant surface field
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