SDSS J084017.95+161253.3
All names: SDSS J084017.95+161253.2, GALEX J084017.9+161254, Gaia EDR3 657804924629376000, Gaia DR2 657804924629376000, SDSS J084017.95+161253.3, Gaia DR3 657804924629376000
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 40 17.95 (0.3) | 08 40 17.95 | 08 40 17.95 (0.5) | 08 40 17.96 (0.3) | 08 40 17.95 | |||||
| Declination | 16 12 53.27 (0.2) | 16 12 53.26 | 16 12 53.27 (0.3) | 16 12 53.31 (0.2) | 16 12 53.25 | |||||
| Spectral type | DC_VERYHOT | DC_VERYHOT | DC | DC_VERYHOT | ||||||
| Effective temperature | [K] | 16996.0 | 19304.0 | 50000.0 (198) | ||||||
| log(g) | [cgs] | 6.85 | 7.04 | 7.06 (0.07) | ||||||
| Mass | [M☉] | 0.233 | 0.252 | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.0365 | ||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.04 (0.4) | -0.83 (0.6) | 0.04 (0.4) | ||||||
| Distance | [pc] | 26514.52 (273872) | 26525.20 (274117) | |||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.254932541 (0.4) | -4.740660773 (0.9) | -3.255 (0.4) | ||||||
| Proper motion (declination) | [mas/yr] | -2.411299236 (0.3) | -2.217388388 (0.6) | -2.411 (0.3) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.10 (0.02) | 19.10 (0.02) | 19.10 (0.03) | |||||||
| g magnitude | 19.41 (0.01) | 19.41 (0.01) | 19.43 (0.02) | |||||||
| r magnitude | 19.81 (0.02) | 19.80 (0.02) | 19.86 (0.02) | |||||||
| i magnitude | 20.07 (0.03) | 20.07 (0.03) | 20.10 (0.03) | |||||||
| z magnitude | 20.32 (0.1) | 20.34 (0.1) | 20.34 (0.1) | |||||||
| G magnitude | 19.68 (0.04) | 19.73 | 19.68 (0.005) | |||||||
| BP magnitude | 19.65 (0.04) | 19.64 | ||||||||
| RP magnitude | 20.02 (0.08) | 19.98 | ||||||||
| Pan g magnitude | 19.52 (0.01) | |||||||||
| Pan r magnitude | 19.85 (0.01) | |||||||||
| Pan i magnitude | 20.20 (0.02) | |||||||||
| Pan z magnitude | 20.39 (0.03) | |||||||||
| Pan y magnitude | 20.36 (0.1) | |||||||||
| E(B-V) | 0.031 | |||||||||
* Constant surface field
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