SDSS J122734.95+040704.4
All names: Gaia EDR3 3707668520142907392, USNO-B1.0 0941-00203676, Gaia DR3 3707668520142907392, SDSS J122734.95+040704.5, SDSS J122734.95+040704.4, WDJ122735.00+040704.78, GALEX J122734.9+040704, J1227+0407, Gaia DR2 3707668520142907392, SDSS J122734.99+040704.7, LSPM J1227+0407
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 27 34.86 (0.1) | 12 27 34.99 | 12 27 34.86 (0.2) | 12 27 34.86 | 12 27 35.00 (0.1) | 12 27 34.86 | 12 27 34.95 | ||||||||
| Declination | 04 07 03.55 (0.09) | 04 07 04.71 | 04 07 03.59 (0.1) | 04 07 03.55 | 04 07 04.78 (0.09) | 04 07 03.59 | 04 07 04.48 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | |||||||
| Effective temperature | [K] | 7680.0 (62) | 7735.0 (53) | 7681.0 (62) | 7601.0 | 7744.0 (157) | 7506.0 (45) | ||||||||
| log(g) | [cgs] | 8.19 (0.02) | 8.19 (0.02) | 8.18 (0.02) | 8.16 | 8.21 (0.04) | 7.98 (0.09) | ||||||||
| Mass | [M☉] | 0.71 (0.01) | 0.714 (0.02) | 0.703 (0.02) | 0.69 | 0.722 (0.03) | 0.583 (0.05) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 1.6300 | 1.5460 | ||||||||||||
| 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] | 12.78 (0.1) | 12.69 (0.2) | 12.69 (0.2) | 12.78 | 12.78 (0.1) | 12.69 (0.2) | ||||||||
| Distance | [pc] | 78.27 (0.8) | 78.80 (1) | 78.81 (1) | 78.27 | 78.27 (0.8) | 78.81 (1) | ||||||||
| Composition | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -136.0473382 (0.2) | -136.229567 (0.3) | -136.047 (0.2) | -136.229567 | ||||||||||
| Proper motion (declination) | [mas/yr] | -76.94392044 (0.1) | -76.74229196 (0.2) | -76.944 (0.1) | -76.74229196 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 18.10 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 17.60 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 17.33 (0.03) | 17.33 (0.03) | |||||||||||||
| H magnitude | 17.20 (0.05) | 17.20 (0.05) | |||||||||||||
| K magnitude | 17.16 (0.07) | 17.16 (0.07) | |||||||||||||
| u magnitude | 18.40 (0.01) | 18.40 (0.01) | 18.40 (0.01) | 18.40 (0.01) | 18.45 (0.02) | ||||||||||
| g magnitude | 17.99 (0.006) | 17.99 (0.006) | 17.99 (0.006) | 18.02 (0.03) | |||||||||||
| r magnitude | 17.89 (0.006) | 17.89 (0.006) | 17.89 (0.006) | 17.92 (0.02) | |||||||||||
| i magnitude | 17.87 (0.007) | 17.88 (0.007) | 17.88 (0.007) | 17.92 (0.02) | |||||||||||
| z magnitude | 17.93 (0.02) | 17.93 (0.02) | 17.93 (0.02) | 17.91 (0.03) | |||||||||||
| G magnitude | 17.84 (0.01) | 17.87 | 17.84 | 17.84 (0.003) | 17.87 | ||||||||||
| BP magnitude | 17.99 (0.01) | 17.99 | 17.99 | ||||||||||||
| RP magnitude | 17.54 (0.02) | 17.55 | 17.55 | ||||||||||||
| Pan g magnitude | 17.97 (0.007) | 17.97 (0.008) | |||||||||||||
| Pan r magnitude | 17.88 (0.009) | 17.88 (0.006) | |||||||||||||
| Pan i magnitude | 17.89 (0.004) | 17.89 (0.003) | |||||||||||||
| Pan z magnitude | 17.95 (0.006) | 17.95 (0.006) | |||||||||||||
| Pan y magnitude | 18.02 (0.009) | 18.02 (0.009) | |||||||||||||
| E(B-V) | 0.003 | ||||||||||||||
* Constant surface field
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