SDSS J154017.84+335756.9
All names: Gaia DR2 1370764101286861824, GALEX J154017.7+335757, Gaia DR3 1370764101286861824, Gaia EDR3 1370764101286861824, SDSS J154017.84+335756.9, SDSS J154017.84+335756.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 40 17.84 (0.4) | 15 40 17.85 | 15 40 17.84 (0.5) | 15 40 17.85 (0.4) | 15 40 17.84 | |||
| Declination | 33 57 56.77 (0.6) | 33 57 56.95 | 33 57 56.78 (1) | 33 57 56.94 (0.6) | 33 57 56.88 | |||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 17066.0 | 17784.0 (822) | |||||
| log(g) | [cgs] | 7.92 | 8.11 (0.2) | |||||
| Mass | [M☉] | 0.571 | 0.677 (0.1) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | 0.1098 | ||||||
| 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] | -0.70 (0.7) | -1.22 (0.9) | |||||
| Distance | [pc] | |||||||
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | -11.73543297 (0.6) | -11.15490993 (1) | -11.735 (0.6) | ||||
| Proper motion (declination) | [mas/yr] | -10.62024944 (1) | -7.16514326 (2) | -10.62 (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 | 20.44 (0.05) | 20.48 (0.05) | 20.48 (0.05) | |||||
| g magnitude | 20.39 (0.02) | 20.40 (0.03) | 20.40 (0.03) | |||||
| r magnitude | 20.71 (0.03) | 20.73 (0.03) | 20.73 (0.03) | |||||
| i magnitude | 20.89 (0.05) | 20.88 (0.05) | 20.88 (0.05) | |||||
| z magnitude | 21.30 (0.3) | 21.28 (0.2) | 21.28 (0.2) | |||||
| G magnitude | 20.61 (0.1) | 20.66 | 20.61 (0.008) | |||||
| BP magnitude | 20.90 (0.1) | 20.49 | ||||||
| RP magnitude | 20.59 (0.1) | 20.46 | ||||||
| Pan g magnitude | 20.46 (0.02) | |||||||
| Pan r magnitude | 20.78 (0.03) | |||||||
| Pan i magnitude | 21.01 (0.02) | |||||||
| Pan z magnitude | 21.27 (0.05) | |||||||
| Pan y magnitude | ||||||||
| E(B-V) | ||||||||
* Constant surface field
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