GALEX 2737108878850263243
All names: USNO-A2.0 1200-06127713, GALEX 2737108878850263243, GALEX J084404.5+312924, Gaia EDR3 706879014794590976, SDSS J084404.51+312923.9, Gaia DR2 706879014794590976, Gaia DR3 706879014794590976
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD HE | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 44 04.48 (0.4) | 08 44 04.51 | 08 44 04.48 (0.5) | 08 44 04.52 (0.4) | 08 44 04.51 | |||||
| Declination | 31 29 23.95 (0.2) | 31 29 23.92 | 31 29 23.94 (0.3) | 31 29 23.91 (0.2) | 31 29 23.92 | |||||
| Spectral type | DBH | DBH | DBH | DAH: | ||||||
| Effective temperature | [K] | 13455.0 | 18254.0 (800) | |||||||
| log(g) | [cgs] | 7.40 | 8.36 (0.3) | |||||||
| Mass | [M☉] | 0.315 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.1443 | ||||||||
| log(H/He) | ||||||||||
| 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] | 1.00 (0.5) | 1.60 (0.7) | 1.00 (0.5) | ||||||
| Distance | [pc] | 995.14 (481) | 626.15 (279) | 995.12 (481) | ||||||
| Composition | He | |||||||||
| Proper motion (right ascension) | [mas/yr] | -33.62901076 (0.4) | -32.91585507 (0.9) | -33.629 (0.4) | ||||||
| Proper motion (declination) | [mas/yr] | 2.389220607 (0.3) | 2.84321408 (0.6) | 2.389 (0.3) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 18.40 (0.3) | |||||||||
| V magnitude | ||||||||||
| R magnitude | 19.20 (0.3) | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.57 (0.03) | 19.57 (0.03) | 19.54 (0.04) | |||||||
| g magnitude | 19.68 (0.01) | 19.68 (0.01) | 19.71 (0.02) | |||||||
| r magnitude | 19.96 (0.02) | 19.95 (0.02) | 19.98 (0.02) | |||||||
| i magnitude | 20.19 (0.04) | 20.19 (0.04) | 20.21 (0.04) | |||||||
| z magnitude | 20.30 (0.1) | 20.30 (0.1) | 20.31 (0.1) | |||||||
| G magnitude | 19.80 (0.04) | 19.86 | 19.80 (0.005) | |||||||
| BP magnitude | 19.77 (0.04) | 19.72 | ||||||||
| RP magnitude | 19.99 (0.08) | 19.74 | ||||||||
| Pan g magnitude | 19.68 (0.02) | |||||||||
| Pan r magnitude | 19.99 (0.01) | |||||||||
| Pan i magnitude | 20.26 (0.03) | |||||||||
| Pan z magnitude | 20.40 (0.04) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.024 | |||||||||
* Constant surface field
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