SDSS J230929.53+250455.6
All names: SDSS J230929.52+250455.4, SDSS J230929.53+250455.6, Gaia DR3 2842784736634672128, SDSS J230929.52+250455.46, SDSS J230929.53+250455.7, Gaia DR2 2842784736634672128, GALEX J230929.5+250455, Gaia EDR3 2842784736634672128
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 09 29.53 (0.09) | 23 09 29.53 | 23 09 29.53 (0.1) | 23 09 29.53 | 23 09 29.54 (0.09) | ||||||
| Declination | 25 04 55.40 (0.09) | 25 04 55.69 | 25 04 55.41 (0.1) | 25 04 55.40 | 25 04 55.92 (0.09) | ||||||
| Spectral type | DAZ | DAZ | DA | DAZ | DA | ||||||
| Effective temperature | [K] | 13778.0 | 13865.0 (123) | 13996.0 (464) | |||||||
| log(g) | [cgs] | 8.07 | 8.00 (0.01) | 8.02 (0.04) | |||||||
| Mass | [M☉] | 0.651 | 0.604 (0.005) | 0.624 (0.03) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.2821 | |||||||||
| 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] | 5.17 (0.1) | 5.36 (0.2) | 5.17 | 5.17 (0.1) | ||||||
| Distance | [pc] | 193.39 (5) | 186.71 (5) | 193.39 | 193.39 (5) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -10.70640311 (0.1) | -11.22616208 (0.2) | -10.706 (0.1) | |||||||
| Proper motion (declination) | [mas/yr] | -32.88132906 (0.1) | -32.9711274 (0.2) | -32.881 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.15 (0.01) | 18.14 (0.03) | 18.15 (0.01) | ||||||||
| g magnitude | 17.79 (0.005) | 17.82 (0.02) | 17.80 (0.005) | ||||||||
| r magnitude | 18.04 (0.007) | 18.04 (0.02) | 18.05 (0.007) | ||||||||
| i magnitude | 18.29 (0.009) | 18.28 (0.03) | 18.28 (0.009) | ||||||||
| z magnitude | 18.51 (0.03) | 18.50 (0.03) | 18.50 (0.03) | ||||||||
| G magnitude | 17.93 (0.01) | 17.95 | 17.93 | 17.93 (0.003) | |||||||
| BP magnitude | 17.91 (0.01) | 17.90 | |||||||||
| RP magnitude | 18.00 (0.01) | 18.01 | |||||||||
| Pan g magnitude | 17.81 (0.004) | ||||||||||
| Pan r magnitude | 18.06 (0.005) | ||||||||||
| Pan i magnitude | 18.30 (0.007) | ||||||||||
| Pan z magnitude | 18.54 (0.01) | ||||||||||
| Pan y magnitude | 18.70 (0.009) | ||||||||||
| E(B-V) | 0.023 | ||||||||||
* Constant surface field
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