GALEX 2693867272668186166
All names: SDSS J085041.00+272221.20, USNO-A2.0 1125-05751288, Gaia DR3 692797191420648320, SDSS J085041.00+272221.2, Gaia DR2 692797191420648320, Gaia EDR3 692797191420648320, GALEX 2693867272668186166, SDSS J085040.99+272221.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | MWDD HE | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 50 41.00 (0.4) | 08 50 41.00 | 08 50 41.00 (0.5) | 08 50 41.00 (0.5) | 08 50 41.00 | ||||||
| Declination | 27 22 20.98 (0.2) | 27 22 21.16 | 27 22 20.99 (0.3) | 27 22 21.22 (0.3) | 27 22 21.21 | ||||||
| Spectral type | DB | DB | DB | DB | |||||||
| Effective temperature | [K] | 15848.0 | 13915.0 | 15389.0 (367) | |||||||
| log(g) | [cgs] | 8.61 | 7.13 | 8.38 (0.2) | |||||||
| Mass | [M☉] | 0.977 | 0.247 | 0.821 (0.1) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.1086 | |||||||||
| log(H/He) | <-5.865 | ||||||||||
| 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] | 1.19 (0.5) | 1.13 (0.7) | 1.13 (0.7) | |||||||
| Distance | [pc] | 838.59 (351) | 883.69 (517) | 883.70 (517) | |||||||
| Composition | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.380311254 (0.5) | -3.362431699 (1) | -3.362 (1) | |||||||
| Proper motion (declination) | [mas/yr] | -14.59314794 (0.4) | -14.98835279 (0.7) | -14.988 (0.7) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 18.90 (0.3) | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 19.30 (0.3) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.70 (0.03) | 19.70 (0.03) | 19.80 (0.04) | ||||||||
| g magnitude | 19.80 (0.01) | 19.80 (0.01) | 19.81 (0.02) | ||||||||
| r magnitude | 20.08 (0.02) | 20.08 (0.02) | 20.09 (0.02) | ||||||||
| i magnitude | 20.24 (0.03) | 20.24 (0.03) | 20.30 (0.03) | ||||||||
| z magnitude | 20.84 (0.2) | 20.84 (0.2) | 20.33 (0.1) | ||||||||
| G magnitude | 19.92 (0.04) | 19.98 | 19.98 (0.004) | ||||||||
| BP magnitude | 19.87 (0.04) | 19.84 | |||||||||
| RP magnitude | 20.02 (0.07) | 19.99 | |||||||||
| Pan g magnitude | 19.84 (0.02) | ||||||||||
| Pan r magnitude | 20.08 (0.006) | ||||||||||
| Pan i magnitude | 20.33 (0.01) | ||||||||||
| Pan z magnitude | 20.54 (0.03) | ||||||||||
| Pan y magnitude | 20.38 (0.4) | ||||||||||
| E(B-V) | 0.025 | ||||||||||
* Constant surface field
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