WD 0211+646
All names: WD 0211+646, Gaia DR3 515429340051449472, Gaia EDR3 515429340051449472, Lan 150, Gaia DR2 515429340051449472
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD HE | Gaia DR2 | Stilism | Bergeron et al. 2011 | Lepine et al. 2011 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 15 34.89 (0.03) | 02 15 34.88 (0.05) | 02 15 34.89 | 02 15 34.76 (0.03) | ||||||
| Declination | 64 53 19.60 (0.04) | 64 53 19.63 (0.05) | 64 53 19.60 | 64 53 20.59 (0.04) | ||||||
| Spectral type | DB | DB | DB2.5 | DB | DB2.5 | |||||
| Effective temperature | [K] | 14746.0 | 20060.0 (596) | 21000.0 (855) | 15717.0 (283) | |||||
| log(g) | [cgs] | 7.63 | 8.01 (0.07) | 7.97 (0.09) | 7.73 (0.02) | |||||
| Mass | [M☉] | 0.403 | 0.6 (0.04) | 0.59 (0.05) | 0.449 (0.02) | |||||
| log(Luminosity) | [L☉] | -1.62 | ||||||||
| Cooling age | [Gyr] | 0.1255 | 0.0759 | 0.0580 | ||||||
| log(H/He) | <-3.91 (0.2) | <-6.50 | ||||||||
| 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] | 6.22 (0.05) | 6.18 (0.07) | 6.22 | 6.22 (0.05) | |||||
| Distance | [pc] | 160.69 (1) | 161.75 (2) | 226.00 | 235.00 | 160.69 | 160.69 (1) | |||
| Composition | He | He | ||||||||
| Proper motion (right ascension) | [mas/yr] | 49.35059696 (0.04) | 49.27469262 (0.08) | 49.351 (0.04) | ||||||
| Proper motion (declination) | [mas/yr] | -61.7754304 (0.05) | -61.82006761 (0.1) | -61.775 (0.05) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 17.80 | |||||||||
| V magnitude | 17.43 | |||||||||
| R magnitude | 17.00 | |||||||||
| I magnitude | 17.50 | |||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 16.80 (0.003) | 16.82 | 16.80 | 16.80 (0.003) | ||||||
| BP magnitude | 16.73 (0.003) | 16.70 | ||||||||
| RP magnitude | 16.91 (0.005) | 16.91 | ||||||||
| Pan g magnitude | 16.73 (0.01) | |||||||||
| Pan r magnitude | 16.98 (0.005) | |||||||||
| Pan i magnitude | 17.24 (0.004) | |||||||||
| Pan z magnitude | 17.48 (0.004) | |||||||||
| Pan y magnitude | 17.61 (0.02) | |||||||||
| E(B-V) | 0.031 | |||||||||
* 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
