CSO 1290
All names: LAMOST J121334.25+394356.9, Gaia EDR3 1535886562817375360, Gaia DR3 1535886562817375360, Gaia DR2 1535886562817375360, CSO 1290, SDSS J121334.25+394356.9, WIRED J121334.25+394356.9, GALEX J121334.2+394357
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | MWDD HE | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 13 34.24 (0.2) | 12 13 34.26 | 12 13 34.24 (0.3) | 12 13 34.25 | 12 13 34.27 (0.2) | 12 13 34.25 | ||||
| Declination | 39 43 56.94 (0.1) | 39 43 56.92 | 39 43 56.94 (0.2) | 39 43 56.89 | 39 43 57.03 (0.1) | 39 43 56.90 | ||||
| Spectral type | DB+M | DB+M | DB+M | DB | DB+M | |||||
| Effective temperature | [K] | 28006.0 | 17361.0 (54) | 30977.0 (457) | ||||||
| log(g) | [cgs] | 8.54 | 8.21 (0.03) | 7.92 (0.05) | ||||||
| Mass | [M☉] | 0.946 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.0730 | ||||||||
| log(H/He) | ||||||||||
| 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] | 2.58 (0.3) | 2.65 (0.3) | 2.58 (0.3) | ||||||
| Distance | [pc] | 387.80 (42) | 377.95 (47) | 387.81 (42) | ||||||
| Composition | He | |||||||||
| Proper motion (right ascension) | [mas/yr] | -17.12232662 (0.2) | -17.33408423 (0.5) | -17.122 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | -5.656015535 (0.3) | -5.647770854 (0.4) | -5.656 (0.3) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 18.53 (0.02) | 18.61 | 18.53 (0.02) | 18.61 (0.03) | ||||||
| g magnitude | 18.66 (0.008) | 18.72 | 18.66 (0.008) | 18.72 (0.03) | ||||||
| r magnitude | 19.03 (0.01) | 19.48 | 19.03 (0.01) | 19.48 (0.2) | ||||||
| i magnitude | 20.61 (0.05) | 19.71 | 20.61 (0.05) | 19.71 (0.6) | ||||||
| z magnitude | 22.83 (0.6) | 19.24 | 22.83 (0.6) | 19.24 (0.8) | ||||||
| G magnitude | 18.85 | 18.88 | 18.85 (0.004) | |||||||
| BP magnitude | ||||||||||
| RP magnitude | ||||||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.019 | |||||||||
* Constant surface field
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