SDSS J152120.52+122533.6
All names: SDSS J152120.53+122533.7, Gaia EDR3 1170444318339713664, SDSS J152120.52+122533.6, SDSS J152120.52+122533.7, Gaia DR3 1170444318339713664, Gaia DR2 1170444318339713664
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 21 20.52 (0.2) | 15 21 20.52 | 15 21 20.52 (0.3) | 15 21 20.53 (0.2) | 15 21 20.53 | ||||||
| Declination | 12 25 33.74 (0.1) | 12 25 33.70 | 12 25 33.74 (0.2) | 12 25 33.66 (0.1) | 12 25 33.69 | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 33134.0 (404) | 24957.0 | 33826.0 (454) | |||||||
| log(g) | [cgs] | 7.88 (0.08) | 7.24 | 7.73 (0.09) | |||||||
| Mass | [M☉] | 0.59 (0.04) | 0.341 | 0.534 (0.04) | |||||||
| log(Luminosity) | [L☉] | -0.63 (0.06) | |||||||||
| Cooling age | [Gyr] | 0.0065 (0.0003) | 0.0162 | ||||||||
| 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] | 0.90 (0.2) | 1.13 (0.4) | 0.90 (0.2) | |||||||
| Distance | [pc] | 1113.44 (289) | 884.53 (299) | 1113.46 (289) | |||||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -10.38636691 (0.2) | -11.02004256 (0.5) | -10.386 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | 5.143947336 (0.2) | 4.946068493 (0.5) | 5.144 (0.2) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.36 (0.02) | 18.36 (0.01) | 18.37 (0.02) | ||||||||
| g magnitude | 18.63 (0.008) | 18.63 (0.008) | 18.66 (0.02) | ||||||||
| r magnitude | 19.10 (0.01) | 19.10 (0.01) | 19.09 (0.02) | ||||||||
| i magnitude | 19.45 (0.02) | 19.45 (0.02) | 19.45 (0.02) | ||||||||
| z magnitude | 19.80 (0.09) | 19.80 (0.09) | 19.81 (0.08) | ||||||||
| G magnitude | 18.89 (0.02) | 18.93 | 18.89 (0.004) | ||||||||
| BP magnitude | 18.79 (0.02) | 18.69 | |||||||||
| RP magnitude | 19.18 (0.06) | 19.17 | |||||||||
| Pan g magnitude | 18.71 (0.008) | ||||||||||
| Pan r magnitude | 19.11 (0.01) | ||||||||||
| Pan i magnitude | 19.47 (0.005) | ||||||||||
| Pan z magnitude | 19.74 (0.06) | ||||||||||
| Pan y magnitude | 19.92 (0.06) | ||||||||||
| E(B-V) | 0.031 | ||||||||||
* Constant surface field
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