Gaia DR2 744878171010647552
All names: SDSS J095413.27+304626.5, GALEX J095413.1+304627, LSPM J0954+3046, USNO-B1.0 1207-00176594, Gaia EDR3 744878171010647552, Gaia DR3 744878171010647552, Gaia DR2 744878171010647552, WDJ095413.32+304626.92, J0954+3046, SDSS J095413.28+304626.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 54 13.15 (0.3) | 09 54 13.16 | 09 54 13.15 | 09 54 13.32 (0.3) | 09 54 13.16 | ||||||||
| Declination | 30 46 25.36 (0.3) | 30 46 25.40 | 30 46 25.36 | 30 46 26.93 (0.3) | 30 46 25.40 | ||||||||
| Spectral type | DC | DC | DC | DA | DC | ||||||||
| Effective temperature | [K] | 5950.0 (46) | 5961.0 (56) | 5950.0 (46) | 6510.0 | 6256.0 | 6492.0 (167) | ||||||
| log(g) | [cgs] | 7.97 (0.04) | 8.00 (0.06) | 7.99 (0.06) | 8.28 | 8.15 | 8.28 (0.06) | ||||||
| Mass | [M☉] | 0.556 (0.03) | 0.57 (0.05) | 0.563 (0.05) | 0.766 | 0.668 | 0.766 (0.05) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 2.6400 | 3.3350 | 3.0870 | |||||||||
| log(H/He) | -3.0 | -3.0 | -3 | ||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| log(N/He) | |||||||||||||
| log(O/He) | |||||||||||||
| log(Na/He) | |||||||||||||
| log(Mg/He) | |||||||||||||
| log(Al/He) | |||||||||||||
| log(Si/He) | |||||||||||||
| log(P/He) | |||||||||||||
| log(S/He) | |||||||||||||
| log(Cl/He) | |||||||||||||
| log(Sc/He) | |||||||||||||
| log(Ti/He) | |||||||||||||
| log(V/He) | |||||||||||||
| log(Cr/He) | |||||||||||||
| log(Mn/He) | |||||||||||||
| log(Fe/He) | |||||||||||||
| log(Co/He) | |||||||||||||
| log(Ni/He) | |||||||||||||
| log(Cu/He) | |||||||||||||
| log(Zn/He) | |||||||||||||
| log(Ga/He) | |||||||||||||
| log(Ge/He) | |||||||||||||
| log(Sr/He) | |||||||||||||
| Parallax | [mas] | 10.18 (0.3) | 10.26 (0.5) | 10.26 (0.5) | 10.18 | 10.18 (0.3) | 10.26 (0.5) | ||||||
| Distance | [pc] | 98.26 (3) | 97.47 (5) | 97.47 (5) | 98.26 | 98.26 (3) | 97.47 (5) | ||||||
| Composition | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -135.6447848 (0.3) | -136.1404947 (0.8) | -135.645 (0.3) | -136.1404947 | ||||||||
| Proper motion (declination) | [mas/yr] | -98.68168888 (0.3) | -97.89490571 (0.8) | -98.682 (0.3) | -97.89490571 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 19.30 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 18.80 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 18.27 (0.05) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.06 (0.04) | 20.04 (0.04) | 20.04 (0.04) | ||||||||||
| g magnitude | 19.31 (0.01) | 19.31 (0.01) | |||||||||||
| r magnitude | 19.04 (0.01) | 19.04 (0.01) | |||||||||||
| i magnitude | 19.00 (0.01) | 19.00 (0.01) | |||||||||||
| z magnitude | 19.01 (0.04) | 19.01 (0.04) | |||||||||||
| G magnitude | 19.05 (0.03) | 19.09 | 19.05 | 19.05 (0.004) | 19.09 | ||||||||
| BP magnitude | 19.32 (0.03) | 19.33 | 19.33 | ||||||||||
| RP magnitude | 18.67 (0.03) | 18.70 | 18.70 | ||||||||||
| Pan g magnitude | 19.29 (0.007) | 19.29 (0.007) | |||||||||||
| Pan r magnitude | 19.06 (0.004) | 19.06 (0.004) | |||||||||||
| Pan i magnitude | 18.98 (0.008) | 18.98 (0.006) | |||||||||||
| Pan z magnitude | 19.01 (0.02) | 19.01 (0.02) | |||||||||||
| Pan y magnitude | 19.02 (0.009) | 19.02 (0.01) | |||||||||||
| E(B-V) | 0.004 | ||||||||||||
* Constant surface field
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