Gaia DR2 814576110016081920
All names: Gaia DR2 814576110016081920, SDSS J092801.60+430020.4, J0928+4300, SDSS J092801.60+430020.3, WDJ09281.64+430020.59, USNO-B1.0 1330-00257495, LSPM J0928+4300, Gaia EDR3 814576110016081920, WDJ092801.64+430020.60, Gaia DR3 814576110016081920
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 28 01.29 (0.2) | 09 28 01.30 | 09 28 01.29 | 09 28 01.64 (0.2) | 09 28 01.30 | |||||||
| Declination | 43 00 18.62 (0.2) | 43 00 18.68 | 43 00 18.62 | 43 00 20.59 (0.2) | 43 00 18.68 | |||||||
| Spectral type | DC | DC | DZ | DZ | ||||||||
| Effective temperature | [K] | 4564.0 (24) | 4599.0 (24) | 4577.0 | 4263.0 | 4600.0 (50) | ||||||
| log(g) | [cgs] | 7.82 (0.03) | 7.82 (0.03) | 7.80 | 7.55 | 7.93 (0.04) | ||||||
| Mass | [M☉] | 0.475 (0.02) | 0.475 (0.03) | 0.462 | 0.334 | 0.526 (0.03) | ||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 5.7500 | 5.0890 | 3.6820 | ||||||||
| 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] | 14.83 (0.3) | 14.56 (0.4) | 14.56 (0.4) | 14.83 | 14.83 (0.3) | 14.56 (0.4) | |||||
| Distance | [pc] | 67.41 (1) | 68.68 (2) | 68.67 (2) | 67.41 | 67.41 (1) | 68.67 (2) | |||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -242.0326438 (0.3) | -242.1757038 (0.5) | -242.033 (0.3) | -242.1757038 | |||||||
| Proper motion (declination) | [mas/yr] | -123.4430529 (0.2) | -123.7453346 (0.7) | -123.443 (0.2) | -123.7453346 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 20.00 | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 19.00 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 17.79 (0.04) | |||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 22.10 (0.2) | 22.10 (0.1) | 22.10 (0.2) | |||||||||
| g magnitude | 20.02 (0.01) | 20.07 (0.02) | ||||||||||
| r magnitude | 19.15 (0.01) | 19.16 (0.01) | ||||||||||
| i magnitude | 18.83 (0.01) | 18.82 (0.01) | ||||||||||
| z magnitude | 18.60 (0.03) | 18.67 (0.03) | ||||||||||
| G magnitude | 19.21 (0.03) | 19.24 | 19.21 | 19.21 (0.004) | 19.24 | |||||||
| BP magnitude | 19.89 (0.03) | 19.75 | 19.75 | |||||||||
| RP magnitude | 18.55 (0.02) | 18.50 | 18.50 | |||||||||
| Pan g magnitude | 19.95 (0.008) | 19.95 (0.007) | ||||||||||
| Pan r magnitude | 19.18 (0.004) | 19.18 (0.005) | ||||||||||
| Pan i magnitude | 18.86 (0.008) | 18.86 (0.01) | ||||||||||
| Pan z magnitude | 18.74 (0.007) | 18.74 (0.007) | ||||||||||
| Pan y magnitude | 18.67 (0.02) | 18.67 (0.02) | ||||||||||
| E(B-V) | 0.002 | |||||||||||
* Constant surface field
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