SDSS J154952.53+184215.4
All names: Gaia EDR3 1203666238270199424, GALEX J154952.6+184215, SDSS J154952.54+184215.01, Gaia DR2 1203666238270199424, SDSS J154952.54+184215.0, SDSS J154952.54+184214.9, SDSS J154952.53+184215.4, Gaia DR3 1203666238270199424
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 49 52.56 (0.07) | 15 49 52.54 | 15 49 52.56 (0.08) | 15 49 52.56 | 15 49 52.53 (0.07) | ||||||
| Declination | 18 42 14.55 (0.07) | 18 42 15.40 | 18 42 14.59 (0.08) | 18 42 14.55 | 18 42 15.73 (0.07) | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 15520.0 | 18993.0 (113) | 16501.0 (527) | |||||||
| log(g) | [cgs] | 7.83 | 8.00 (0.02) | 7.92 (0.04) | |||||||
| Mass | [M☉] | 0.522 | 0.62 (0.01) | 0.571 (0.03) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.1338 | |||||||||
| 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] | 5.05 (0.1) | 4.96 (0.1) | 5.05 | 5.05 (0.1) | ||||||
| Distance | [pc] | 198.02 (4) | 201.45 (5) | 198.02 | 198.02 (4) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 23.54809474 (0.09) | 23.60611141 (0.2) | 23.548 (0.09) | |||||||
| Proper motion (declination) | [mas/yr] | -73.50139046 (0.09) | -73.54036 (0.2) | -73.501 (0.09) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 17.50 (0.01) | 17.50 (0.02) | 17.50 (0.01) | ||||||||
| g magnitude | 17.36 (0.005) | 17.40 (0.02) | 17.36 (0.005) | ||||||||
| r magnitude | 17.68 (0.006) | 17.67 (0.02) | 17.68 (0.006) | ||||||||
| i magnitude | 17.97 (0.008) | 17.97 (0.02) | 17.97 (0.008) | ||||||||
| z magnitude | 18.22 (0.03) | 18.22 (0.03) | 18.22 (0.03) | ||||||||
| G magnitude | 17.53 (0.008) | 17.55 | 17.53 | 17.53 (0.003) | |||||||
| BP magnitude | 17.50 (0.008) | 17.47 | |||||||||
| RP magnitude | 17.67 (0.01) | 17.67 | |||||||||
| Pan g magnitude | 17.39 (0.006) | ||||||||||
| Pan r magnitude | 17.68 (0.005) | ||||||||||
| Pan i magnitude | 17.98 (0.005) | ||||||||||
| Pan z magnitude | 18.22 (0.009) | ||||||||||
| Pan y magnitude | 18.35 (0.02) | ||||||||||
| E(B-V) | 0.043 | ||||||||||
* Constant surface field
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