WD 1547+012
All names: SDSS J154949.92+010847.5, GALEX J154949.8+010848, WD 1547+012, Gaia EDR3 4422721480474555136, Gaia DR2 4422721480474555136, Gaia DR3 4422721480474555136, SDSS J154949.93+010847.5, SDSS J154949.93+010847.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Harris et al. 2003 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 49 49.90 (0.3) | 15 49 49.94 | 15 49 49.91 (0.4) | 15 49 49.93 (0.3) | 15 49 48.58 | 15 49 49.93 | 15 49 49.93 | ||||||
| Declination | 01 08 47.42 (0.3) | 01 08 47.50 | 01 08 47.42 (0.3) | 01 08 47.46 (0.3) | 01 08 44.16 | 01 08 47.53 | 01 08 47.54 | ||||||
| Spectral type | DA4.5 | DA4.5 | DA4.4 | DA4.6 | DA | DA | |||||||
| Effective temperature | [K] | 9565.0 | 11024.0 (272) | 10940.0 (247) | |||||||||
| log(g) | [cgs] | 7.74 | 8.21 (0.2) | 8.12 (0.2) | |||||||||
| Mass | [M☉] | 0.456 | 0.724 (0.1) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.4932 | |||||||||||
| 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] | 2.84 (0.5) | 2.71 (0.5) | 2.84 (0.5) | |||||||||
| Distance | [pc] | 351.95 (58) | 369.08 (73) | 351.95 (58) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -24.49712099 (0.5) | -24.29607192 (1) | -24.497 (0.5) | -22.0 | ||||||||
| Proper motion (declination) | [mas/yr] | -2.882656514 (0.5) | -2.586251758 (0.9) | -2.883 (0.5) | -5.0 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.24 (0.05) | 20.26 | 20.24 (0.04) | 20.26 | 20.24 (0.05) | 20.26 (0.05) | |||||||
| g magnitude | 19.78 (0.01) | 19.85 | 19.78 (0.01) | 19.85 | 19.83 (0.02) | 19.85 (0.02) | |||||||
| r magnitude | 19.88 (0.02) | 19.89 | 19.88 (0.02) | 19.89 | 19.90 (0.02) | 19.89 (0.02) | |||||||
| i magnitude | 19.99 (0.03) | 20.05 | 19.99 (0.03) | 20.05 | 20.07 (0.04) | 20.05 (0.04) | |||||||
| z magnitude | 20.08 (0.1) | 20.08 | 20.08 (0.1) | 20.08 | 20.16 (0.1) | 20.08 (0.1) | |||||||
| G magnitude | 19.79 (0.04) | 19.85 | 19.79 (0.004) | ||||||||||
| BP magnitude | 19.85 (0.04) | 19.86 | |||||||||||
| RP magnitude | 19.61 (0.05) | 19.70 | |||||||||||
| Pan g magnitude | 19.78 (0.01) | ||||||||||||
| Pan r magnitude | 19.88 (0.008) | ||||||||||||
| Pan i magnitude | 20.01 (0.01) | ||||||||||||
| Pan z magnitude | 20.14 (0.04) | ||||||||||||
| Pan y magnitude | 20.07 (0.07) | ||||||||||||
| E(B-V) | 0.071 | ||||||||||||
* 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
