LSPM J0824+3104
All names: LSPM J0824+3104, SDSS J082403.91+310447.9, GALEX J082403.9+310447, SDSS J082403.91+310448.0, SDSS J082403.92+310448.0, WIRED J082403.92+310448.0, WD 0820+312, USNO-B1.0 1210-00161472, WDJ082403.90+310448.46, Gaia DR3 709051168734737024, Gaia DR2 709051168734737024, LP 311-16, J0824+3104, SDSS J082403.92+310447.9, NLTT 19439, Gaia EDR3 709051168734737024
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 24 04.06 (0.09) | 08 24 03.92 | 08 24 04.06 (0.1) | 08 24 04.06 | 08 24 03.90 (0.09) | 08 24 04.06 | 08 24 03.92 | 08 24 03.58 | 08 24 03.92 | |||||||
| Declination | 31 04 44.53 (0.07) | 31 04 47.98 | 31 04 44.66 (0.07) | 31 04 44.53 | 31 04 48.46 (0.07) | 31 04 44.66 | 31 04 48.00 | 31 04 46.20 | 31 04 48.03 | |||||||
| Spectral type | DA: | DA+DC? | DA+DB/DC | DC | DA+DB/DC | DApec: | DApec: | DAPEC: | DC | |||||||
| Effective temperature | [K] | 7947.0 (35) | 8575.0 (42) | 8377.0 | 7861.0 (161) | 10084.0 (12) | 10114.0 (49) | |||||||||
| log(g) | [cgs] | 8.01 (0.01) | 8.26 (0.01) | 8.22 | 7.99 (0.04) | 8.50 (0.3) | 9.27 (0.4) | |||||||||
| Mass | [M☉] | 0.58 (0.01) | 0.762 (0.01) | 0.735 | 0.567 (0.03) | |||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 1.2000 | 1.3420 | |||||||||||||
| log(H/He) | -3.5 | |||||||||||||||
| 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] | 12.84 (0.1) | 12.93 (0.1) | 12.93 (0.1) | 12.84 | 12.84 (0.1) | 12.93 (0.1) | |||||||||
| Distance | [pc] | 77.90 (0.7) | 77.34 (0.8) | 77.35 (0.8) | 77.90 | 77.90 (0.7) | 77.35 (0.8) | |||||||||
| Composition | He | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 130.3652566 (0.1) | 130.3796414 (0.2) | 130.365 (0.1) | 130.3796414 | 128.9 | ||||||||||
| Proper motion (declination) | [mas/yr] | -245.5347799 (0.09) | -245.5181352 (0.1) | -245.535 (0.09) | -245.5181352 | -249.7 | ||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 17.60 | |||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | 17.30 | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 17.28 (0.03) | |||||||||||||||
| H magnitude | ||||||||||||||||
| K magnitude | ||||||||||||||||
| u magnitude | 17.98 (0.01) | 17.94 (0.01) | 17.98 (0.01) | 17.98 (0.01) | 17.98 (0.02) | 17.97 | 17.97 (0.02) | |||||||||
| g magnitude | 17.63 (0.005) | 17.63 (0.005) | 17.63 (0.005) | 17.65 (0.02) | 17.64 | 17.64 (0.02) | ||||||||||
| r magnitude | 17.59 (0.006) | 17.59 (0.006) | 17.59 (0.006) | 17.62 (0.02) | 17.61 | 17.62 (0.02) | ||||||||||
| i magnitude | 17.65 (0.007) | 17.65 (0.007) | 17.65 (0.007) | 17.67 (0.02) | 17.66 | 17.67 (0.02) | ||||||||||
| z magnitude | 17.73 (0.02) | 17.73 (0.02) | 17.73 (0.02) | 17.76 (0.03) | 17.75 | 17.75 (0.03) | ||||||||||
| G magnitude | 17.54 (0.008) | 17.57 | 17.54 | 17.54 (0.003) | 17.57 | |||||||||||
| BP magnitude | 17.66 (0.008) | 17.63 | 17.63 | |||||||||||||
| RP magnitude | 17.34 (0.01) | 17.32 | 17.32 | |||||||||||||
| Pan g magnitude | 17.65 (0.003) | 17.65 (0.003) | ||||||||||||||
| Pan r magnitude | 17.60 (0.004) | 17.60 (0.004) | ||||||||||||||
| Pan i magnitude | 17.67 (0.003) | 17.67 (0.002) | ||||||||||||||
| Pan z magnitude | 17.78 (0.009) | 17.78 (0.009) | ||||||||||||||
| Pan y magnitude | 17.84 (0.01) | 17.84 (0.01) | ||||||||||||||
| E(B-V) | 0.002 | |||||||||||||||
* 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
