SDSS J122340.39+255304.7
All names: SDSS J122340.39+255304.78, Gaia DR3 4008422952210312448, Gaia DR2 4008422952210312448, SDSS J122340.39+255304.7, Gaia EDR3 4008422952210312448
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 23 40.37 (0.3) | 12 23 40.40 | 12 23 40.38 (0.3) | 12 23 40.41 (0.3) | |||||||
| Declination | 25 53 04.71 (0.3) | 25 53 04.80 | 25 53 04.71 (0.3) | 25 53 04.75 (0.3) | |||||||
| Spectral type | DA | DA-He | DA-He | DA-He | DA | ||||||
| Effective temperature | [K] | 15360.5 (1154) | 10186.0 | 16246.0 (417) | |||||||
| log(g) | [cgs] | 8.54 (0.1) | 8.08 | 8.00 (0) | |||||||
| Mass | [M☉] | 0.9522213938226688 (0.1) | 0.646 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.6388 | |||||||||
| 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] | 4.06 (0.4) | 3.88 (0.5) | 4.06 (0.4) | |||||||
| Distance | [pc] | 246.46 (23) | 257.78 (35) | 246.46 (23) | |||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -28.63912511 (0.3) | -29.21834832 (0.6) | -28.639 (0.3) | |||||||
| Proper motion (declination) | [mas/yr] | -2.273666664 (0.4) | -1.959749919 (0.6) | -2.274 (0.4) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.30 (0.03) | 19.26 (0.03) | 19.30 (0.03) | ||||||||
| g magnitude | 19.28 (0.01) | 19.32 (0.03) | 19.28 (0.01) | ||||||||
| r magnitude | 19.34 (0.01) | 19.34 (0.02) | 19.35 (0.01) | ||||||||
| i magnitude | 19.53 (0.02) | 19.54 (0.03) | 19.54 (0.02) | ||||||||
| z magnitude | 19.68 (0.08) | 19.68 (0.07) | 19.69 (0.08) | ||||||||
| G magnitude | 19.28 (0.04) | 19.33 | 19.28 (0.004) | ||||||||
| BP magnitude | 19.31 (0.04) | 19.24 | |||||||||
| RP magnitude | 19.21 (0.05) | 19.17 | |||||||||
| Pan g magnitude | 19.26 (0.009) | ||||||||||
| Pan r magnitude | 19.36 (0.01) | ||||||||||
| Pan i magnitude | 19.54 (0.01) | ||||||||||
| Pan z magnitude | 19.69 (0.01) | ||||||||||
| Pan y magnitude | 19.59 (0.07) | ||||||||||
| E(B-V) | 0.015 | ||||||||||
* Constant surface field
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