SDSS J025150.40+351548.3
All names: SDSS J025150.40+351548.1, Gaia EDR3 140469482396822912, SDSS J025150.40+351548.3, Gaia DR2 140469482396822912, Gaia DR3 140469482396822912, GALEX J025150.4+351549
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD HE | Gaia DR2 | Stilism | Koester & Kepler 2015 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 51 50.41 (0.4) | 02 51 50.41 | 02 51 50.41 (0.7) | 02 51 50.40 (0.4) | 02 51 50.40 | ||||||
| Declination | 35 15 48.14 (0.4) | 35 15 48.20 | 35 15 48.15 (0.5) | 35 15 48.33 (0.4) | 35 15 48.26 | ||||||
| Spectral type | DBHM: | DBH+M | DBHM: | DB | |||||||
| Effective temperature | [K] | 11585.0 | 16706.0 (166) | 17004.0 (241) | |||||||
| log(g) | [cgs] | 6.88 | 7.71 (0.1) | 7.96 (0.1) | |||||||
| Mass | [M☉] | 0.189 | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | <-4.71 | ||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | <-5.98 | ||||||||||
| 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] | 1.61 (0.5) | 1.40 (0.8) | 1.61 (0.5) | |||||||
| Distance | [pc] | 620.74 (205) | 716.81 (419) | 583.00 | 620.73 (205) | ||||||
| Composition | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 3.832291921 (0.5) | 5.082230867 (1) | 3.832 (0.5) | |||||||
| Proper motion (declination) | [mas/yr] | -11.73586236 (0.5) | -10.31063935 (1) | -11.736 (0.5) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.68 (0.04) | 19.68 (0.04) | 19.65 (0.04) | ||||||||
| g magnitude | 19.65 (0.01) | 19.65 (0.01) | 19.62 (0.02) | ||||||||
| r magnitude | 19.88 (0.02) | 19.88 (0.02) | 19.80 (0.02) | ||||||||
| i magnitude | 20.21 (0.04) | 20.21 (0.04) | 20.00 (0.03) | ||||||||
| z magnitude | 20.29 (0.1) | 20.29 (0.1) | 20.04 (0.1) | ||||||||
| G magnitude | 19.69 (0.06) | 19.74 | 19.69 (0.006) | ||||||||
| BP magnitude | 19.73 (0.06) | 19.63 | |||||||||
| RP magnitude | 19.71 (0.09) | 19.73 | |||||||||
| Pan g magnitude | 19.62 (0.01) | ||||||||||
| Pan r magnitude | 19.81 (0.03) | ||||||||||
| Pan i magnitude | 19.99 (0.03) | ||||||||||
| Pan z magnitude | 20.20 (0.04) | ||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.075 | ||||||||||
* Constant surface field
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