WD 1835+507
All names: NLTT 46762, LSPM J1836+5048, WD 1835+507, USNO-B1.0 1408-00302076, LP 182-44, Gaia DR2 2144958241590506112, WD 1835+50, Gaia DR3 2144958241590506112, Gaia EDR3 2144958241590506112
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 36 47.05 (0.1) | 18 36 47.05 (0.2) | 18 36 47.05 | 18 36 47.25 (0.1) | 18 36 47.93 | |||||
| Declination | 50 48 30.22 (0.1) | 50 48 30.32 (0.2) | 50 48 30.22 | 50 48 33.69 (0.1) | 50 48 43.56 | |||||
| Spectral type | DC | DC | DC | DC | DC | |||||
| Effective temperature | [K] | 8014.0 | 7732.0 | 7162.0 (241) | ||||||
| log(g) | [cgs] | 8.18 | 8.09 | 7.83 (0.07) | ||||||
| Mass | [M☉] | 0.707 | 0.629 | 0.478 (0.05) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 1.4130 | 1.3560 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 7.78 (0.1) | 7.82 (0.2) | 7.78 | 7.78 (0.1) | |||||
| Distance | [pc] | 128.55 (2) | 127.80 (4) | 128.55 | 128.55 (2) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -120.512583 (0.2) | -119.8893013 (0.4) | -120.513 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | -217.426514 (0.2) | -217.3611343 (0.4) | -217.427 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 18.90 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 18.90 | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 18.74 (0.03) | 18.77 | 18.74 | 18.74 (0.004) | ||||||
| BP magnitude | 18.95 (0.03) | 18.90 | ||||||||
| RP magnitude | 18.47 (0.02) | 18.47 | ||||||||
| Pan g magnitude | 18.85 (0.008) | |||||||||
| Pan r magnitude | 18.77 (0.005) | |||||||||
| Pan i magnitude | 18.82 (0.007) | |||||||||
| Pan z magnitude | 18.92 (0.01) | |||||||||
| Pan y magnitude | 18.97 (0.02) | |||||||||
| E(B-V) | 0.017 | |||||||||
* 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
