SDSS J235704.96+284604.8
All names: SDSS J235704.96+284604.7, SDSS J235704.96+284604.8, Gaia EDR3 2855108269117579136, SDSS J235704.96+284604.6, Gaia DR3 2855108269117579136, Gaia DR2 2855108269117579136, GALEX J235704.9+284605
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 57 04.95 (0.3) | 23 57 04.96 | 23 57 04.95 (0.5) | 23 57 04.97 (0.3) | 23 57 04.96 | |||||
| Declination | 28 46 04.58 (0.3) | 28 46 04.69 | 28 46 04.59 (0.3) | 28 46 04.86 (0.3) | 28 46 04.76 | |||||
| Spectral type | DAM | DA+M | DA+M | DA | ||||||
| Effective temperature | [K] | 19369.0 | 16953.0 (405) | |||||||
| log(g) | [cgs] | 8.13 | 7.88 (0.08) | |||||||
| Mass | [M☉] | 0.697 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.1054 | ||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| log(C/H) | ||||||||||
| log(N/H) | ||||||||||
| log(O/H) | ||||||||||
| log(Na/H) | ||||||||||
| log(Mg/H) | ||||||||||
| log(Al/H) | ||||||||||
| log(Si/H) | ||||||||||
| log(P/H) | ||||||||||
| log(S/H) | ||||||||||
| log(Sc/H) | ||||||||||
| log(Ti/H) | ||||||||||
| log(Cr/H) | ||||||||||
| log(Mn/H) | ||||||||||
| log(Fe/H) | ||||||||||
| log(Ni/H) | ||||||||||
| Parallax | [mas] | 1.60 (0.5) | 1.79 (0.6) | 1.60 (0.5) | ||||||
| Distance | [pc] | 624.19 (176) | 558.47 (201) | 624.18 (176) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -9.358208394 (0.5) | -9.33949842 (0.9) | -9.358 (0.5) | ||||||
| Proper motion (declination) | [mas/yr] | -17.42608415 (0.3) | -16.93709409 (0.5) | -17.426 (0.3) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | |||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.00 (0.04) | 20.00 (0.04) | 20.11 (0.05) | |||||||
| g magnitude | 19.87 (0.01) | 19.87 (0.01) | 19.92 (0.02) | |||||||
| r magnitude | 20.11 (0.02) | 20.11 (0.02) | 20.14 (0.03) | |||||||
| i magnitude | 20.34 (0.04) | 20.34 (0.04) | 20.32 (0.05) | |||||||
| z magnitude | 20.67 (0.2) | 20.67 (0.2) | 20.55 (0.2) | |||||||
| G magnitude | 19.98 (0.05) | 20.03 | 19.98 (0.005) | |||||||
| BP magnitude | 20.01 (0.05) | 19.95 | ||||||||
| RP magnitude | 19.89 (0.08) | 20.04 | ||||||||
| Pan g magnitude | 19.87 (0.02) | |||||||||
| Pan r magnitude | 20.13 (0.04) | |||||||||
| Pan i magnitude | 20.36 (0.02) | |||||||||
| Pan z magnitude | 20.55 (0.07) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.072 | |||||||||
* Constant surface field
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