WD 1254+002
All names: SDSS J125652.84-000110.7, SDSS J125652.83-000110.6, Gaia DR2 3689382610980888448, SDSS J125652.83-000110.7, MGC 39643, Gaia EDR3 3689382610980888448, SDSS J125652.84-000110.6, SDSS J125652.84-000110.5, Gaia DR3 3689382610980888448, GALEX J125652.8-000110, WD 1254+002
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 56 52.86 (0.3) | 12 56 52.84 | 12 56 52.86 (0.4) | 12 56 52.84 (0.3) | 12 56 52.84 | 12 56 51.72 | 12 56 52.84 | 12 56 52.84 | ||||||
| Declination | -00 01 10.80 (0.2) | -00 01 10.62 | -00 01 10.80 (0.3) | -00 01 10.73 (0.2) | -00 01 10.65 | -00 01 13.08 | -00 01 10.55 | -00 01 10.56 | ||||||
| Spectral type | DA4.5 | DA4.5 | DA4.5 | DA | DA3.8 | DA | DA | |||||||
| Effective temperature | [K] | 12388.0 | 12619.0 (360) | 12657.0 (327) | 13211.0 (402) | |||||||||
| log(g) | [cgs] | 8.10 | 7.83 (0.1) | 7.94 (0.1) | 8.17 (0.1) | |||||||||
| Mass | [M☉] | 0.664 | 0.575 (0.06) | |||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.3924 | ||||||||||||
| 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] | 2.89 (0.3) | 3.07 (0.4) | 2.89 (0.3) | ||||||||||
| Distance | [pc] | 346.10 (37) | 326.05 (44) | 346.10 (37) | ||||||||||
| Composition | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 19.26472905 (0.4) | 20.1532594 (0.9) | 19.265 (0.4) | 19.9 | 22.0 | ||||||||
| Proper motion (declination) | [mas/yr] | -4.754911764 (0.3) | -4.530813627 (0.5) | -4.755 (0.3) | 6.7 | 8.0 | ||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 19.50 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.69 (0.03) | 19.66 | 19.69 (0.03) | 19.68 (0.03) | 19.66 | 19.68 (0.03) | 19.66 (0.03) | |||||||
| g magnitude | 19.22 (0.01) | 19.24 | 19.22 (0.01) | 19.24 (0.02) | 19.24 | 19.23 (0.02) | 19.24 (0.02) | |||||||
| r magnitude | 19.41 (0.01) | 19.43 | 19.41 (0.01) | 19.44 (0.02) | 19.43 | 19.43 (0.02) | 19.43 (0.02) | |||||||
| i magnitude | 19.68 (0.02) | 19.67 | 19.68 (0.02) | 19.68 (0.03) | 19.67 | 19.68 (0.03) | 19.67 (0.03) | |||||||
| z magnitude | 19.91 (0.1) | 19.90 | 19.91 (0.1) | 19.89 (0.1) | 19.89 | 19.90 (0.1) | 19.89 (0.1) | |||||||
| G magnitude | 19.34 (0.04) | 19.39 | 19.34 (0.004) | |||||||||||
| BP magnitude | 19.36 (0.04) | 19.37 | ||||||||||||
| RP magnitude | 19.47 (0.06) | 19.38 | ||||||||||||
| Pan g magnitude | 19.24 (0.01) | |||||||||||||
| Pan r magnitude | 19.49 (0.02) | |||||||||||||
| Pan i magnitude | 19.66 (0.01) | |||||||||||||
| Pan z magnitude | 19.93 (0.03) | |||||||||||||
| Pan y magnitude | 19.89 (0.07) | |||||||||||||
| E(B-V) | 0.022 | |||||||||||||
* Constant surface field
Special notes:
Spectra
Controls
Normalize at:
Normalize by mean flux
Range:
x:
to
y:
to
Spectra available:
Spectra without link are available upon request
Absorption lines
Photometric filters
BVRI
ugriz
Photometric fit
