WD 0252-012A
All names: USNO-A2.0 0825-00674310, WD 0252-012A, SDSS J025503.70-010423.7, Gaia DR2 5187983252736275200, PSO J025503.732-010423.705, SDSS J025503.71-010423.8, GALEX 2692706184094289029, WD 0252-012.1
| Parameter | Unit | MWDD H | Pan-STARRS DR1 | Gaia DR2 | SDSS DR12 | Simbad | Eisenstein et al. 2006 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2013 | Kleinman et al. 2004 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 55 03.74 (0.5) | 02 55 03.71 | 02 55 03.71 | 02 55 03.71 | 02 55 03.71 | 02 55 02.81 | 02 55 03.70 | 02 55 03.70 | 02 55 03.70 | |||
| Declination | -01 04 23.89 (0.5) | -01 04 23.80 | -01 04 23.81 | -01 04 23.81 | -01 04 23.81 | -01 04 16.32 | -01 04 23.70 | -01 04 23.70 | -01 04 23.70 | |||
| Spectral type | DA | DA | DA | DA | DA3.9 | DA | DA | |||||
| Effective temperature | [K] | 10942.0 | 12930.0 (673) | 12847.0 (422) | 12857.0 (794) | 13010.0 (534) | 13081.0 (686) | |||||
| log(g) | [cgs] | 7.29 | 7.67 (0.2) | 7.74 (0.1) | 7.59 (0.2) | 7.79 (0.2) | 7.68 (0.2) | |||||
| Mass | [M☉] | 0.292 | 0.504 (0.07) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.2378 | ||||||||||
| 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] | 1.72 (0.7) | ||||||||||
| Distance | [pc] | 580.22 (234) | ||||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 32.43225363 (1) | 0.0 | 12.0 | ||||||||
| Proper motion (declination) | [mas/yr] | -6.856209617 (1) | 0.0 | 5.0 | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 19.10 | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 19.20 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.08 (0.04) | 20.19 | 20.18 (0.05) | 20.18 (0.05) | 20.24 | 20.16 (0.05) | 20.16 (0.05) | 20.24 (0.07) | ||||
| g magnitude | 19.69 (0.01) | 19.69 | 19.68 (0.03) | 19.68 (0.03) | 19.67 | 19.68 (0.03) | 19.68 (0.03) | 19.67 (0.03) | ||||
| r magnitude | 19.84 (0.02) | 19.90 | 19.89 (0.03) | 19.89 (0.03) | 19.89 | 19.88 (0.03) | 19.88 (0.03) | 19.89 (0.03) | ||||
| i magnitude | 20.03 (0.03) | 20.11 | 20.10 (0.04) | 20.10 (0.04) | 20.08 | 20.08 (0.04) | 20.08 (0.04) | 20.08 (0.04) | ||||
| z magnitude | 20.06 (0.1) | 20.26 | 20.25 (0.1) | 20.25 (0.1) | 20.27 | 20.24 (0.1) | 20.24 (0.1) | 20.27 (0.1) | ||||
| G magnitude | 19.80 | |||||||||||
| BP magnitude | 19.91 | |||||||||||
| RP magnitude | 19.81 | |||||||||||
| Pan g magnitude | 19.67 (0.02) | |||||||||||
| Pan r magnitude | 19.84 (0.02) | |||||||||||
| Pan i magnitude | 20.06 (0.008) | |||||||||||
| Pan z magnitude | 20.22 (0.05) | |||||||||||
| Pan y magnitude | 20.16 (0.4) | |||||||||||
* Constant surface field
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