GALEX 2730494242667365861
All names: USNO-A2.0 0975-00965795, Gaia DR3 3298924660200067968, SDSS J042039.25+073625.1, Gaia EDR3 3298924660200067968, GALEX 2730494242667365861, Gaia DR2 3298924660200067968, SDSS J042039.26+073625.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 20 39.27 (0.4) | 04 20 39.26 | 04 20 39.27 (0.5) | 04 20 39.27 (0.5) | 04 20 39.26 | |||||
| Declination | 07 36 25.14 (0.3) | 07 36 25.22 | 07 36 25.14 (0.4) | 07 36 25.22 (0.4) | 07 36 25.18 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 10708.0 | 20024.0 (446) | |||||||
| log(g) | [cgs] | 7.23 | 8.00 (0.07) | |||||||
| Mass | [M☉] | 0.274 | 0.623 (0.04) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.2384 | ||||||||
| 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] | 1.17 (0.5) | 1.55 (0.6) | 1.55 (0.6) | ||||||
| Distance | [pc] | 852.70 (339) | 645.27 (259) | 645.29 (259) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -4.504494461 (0.5) | -4.422010089 (1) | -4.422 (1) | ||||||
| Proper motion (declination) | [mas/yr] | -5.885991647 (0.4) | -5.339611033 (0.8) | -5.34 (0.8) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 19.10 (0.3) | |||||||||
| V magnitude | ||||||||||
| R magnitude | 19.30 (0.3) | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.16 (0.04) | 20.16 (0.04) | 20.18 (0.04) | |||||||
| g magnitude | 19.89 (0.01) | 19.89 (0.01) | 19.92 (0.02) | |||||||
| r magnitude | 20.00 (0.02) | 20.00 (0.02) | 20.03 (0.02) | |||||||
| i magnitude | 20.15 (0.03) | 20.15 (0.03) | 20.16 (0.03) | |||||||
| z magnitude | 20.31 (0.1) | 20.31 (0.1) | 20.31 (0.1) | |||||||
| G magnitude | 19.94 (0.06) | 20.01 | 20.01 (0.008) | |||||||
| BP magnitude | 19.92 (0.06) | 20.05 | ||||||||
| RP magnitude | 19.80 (0.09) | 19.88 | ||||||||
| Pan g magnitude | 19.86 (0.02) | |||||||||
| Pan r magnitude | 20.04 (0.01) | |||||||||
| Pan i magnitude | 20.24 (0.02) | |||||||||
| Pan z magnitude | 20.42 (0.03) | |||||||||
| Pan y magnitude | 19.73 (0.1) | |||||||||
| E(B-V) | 0.221 | |||||||||
* Constant surface field
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