Gaia DR2 354464720387633792
All names: UCAC4 692-014397, PM J02236+4816, 2MASS J02234035+4816475, Gaia DR2 354464720387633792, PSS 154-1, 02236+4816, Gaia EDR3 354464720387633792, Gaia DR3 354464720387633792, WDJ022340.37+481647.23, GEN# +6.10060027, TIC 301341214, GD 27
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 23 40.55 (0.02) | 02 23 40.54 | 02 23 40.55 | 02 23 40.37 (0.02) | 02 23 40.54 | ||||||
| Declination | 48 16 46.86 (0.03) | 48 16 46.87 | 48 16 46.86 | 48 16 47.23 (0.03) | 48 16 46.87 | ||||||
| Spectral type | DB | DB | DB | ||||||||
| Effective temperature | [K] | 13971.0 | 15098.0 | 16590.0 (295) | 15911.0 (227) | ||||||
| log(g) | [cgs] | 7.85 | 7.97 | 8.25 (0.07) | 8.05 (0.02) | ||||||
| Mass | [M☉] | 0.528 | 0.575 | 0.75 (0.04) | 0.621 (0.01) | ||||||
| log(Luminosity) | [L☉] | -2.11 | |||||||||
| Cooling age | [Gyr] | 0.1961 | 0.1862 | ||||||||
| 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] | 16.70 (0.04) | 16.69 (0.07) | 16.70 | 16.70 (0.04) | 16.69 (0.07) | |||||
| Distance | [pc] | 59.88 (0.1) | 59.91 (0.3) | 54.10 (2) | 59.88 | 59.88 (0.1) | 59.91 (0.3) | ||||
| Composition | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 110.343526 (0.04) | 110.1854252 (0.2) | 112.0 | 110.344 (0.04) | 110.1854252 | |||||
| Proper motion (declination) | [mas/yr] | -23.30643489 (0.05) | -23.27241348 (0.1) | -28.0 | -23.306 (0.05) | -23.27241348 | |||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 15.04 (0.02) | ||||||||||
| V magnitude | 15.11 (0.02) | ||||||||||
| R magnitude | 15.44 (0.1) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.42 | 15.42 (0.06) | |||||||||
| H magnitude | 15.67 | 15.67 (0.1) | |||||||||
| K magnitude | 15.34 | 15.34 (0.2) | |||||||||
| u magnitude | 14.84 (0.005) | ||||||||||
| g magnitude | 15.01 (0.02) | 14.92 (0.004) | |||||||||
| r magnitude | 15.27 (0.04) | 15.24 (0.005) | |||||||||
| i magnitude | 15.52 (0.01) | 15.49 (0.005) | |||||||||
| z magnitude | 15.75 (0.007) | ||||||||||
| G magnitude | 15.08 (0.002) | 15.09 | 15.08 | 15.08 (0.003) | 15.09 | ||||||
| BP magnitude | 15.01 (0.002) | 14.97 | 14.97 | ||||||||
| RP magnitude | 15.19 (0.003) | 15.19 | 15.19 | ||||||||
| Pan g magnitude | 14.99 (0.004) | ||||||||||
| Pan r magnitude | 15.26 (0.0008) | ||||||||||
| Pan i magnitude | 15.52 (0.003) | ||||||||||
| Pan z magnitude | 15.75 (0.003) | ||||||||||
| Pan y magnitude | 15.90 (0.01) | ||||||||||
| E(B-V) | 0.001 | ||||||||||
* Constant surface field
Special notes:
Spectra
Controls
Normalize at:
Normalize by mean flux
Range:
x:
to
y:
to
Spectra available:
Spectra without link are available upon request
Absorption lines
Photometric filters
BVRI
ugriz
Photometric fit
