SDSS J224916.55+144545.2
All names: SDSS J224916.53+144545.0, SDSS J224916.54+144545.0, Gaia DR2 2732262686804416000, Gaia DR3 2732262686804416000, Gaia EDR3 2732262686804416000, SDSS J224916.55+144545.2, WD 2246+144, GALEX J224916.5+144545, SDSS J224916.56+144545.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 49 16.53 (0.1) | 22 49 16.55 | 22 49 16.53 (0.2) | 22 49 16.55 (0.1) | 22 49 16.55 | 22 49 16.39 | 22 49 16.56 | ||||||
| Declination | 14 45 44.93 (0.1) | 14 45 45.29 | 14 45 44.94 (0.2) | 14 45 45.33 (0.1) | 14 45 45.26 | 14 45 41.04 | 14 45 45.29 | ||||||
| Spectral type | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 18748.0 | 24270.0 (380) | 23056.0 (306) | 23740.0 (291) | ||||||||
| log(g) | [cgs] | 7.64 | 7.90 (0.05) | 7.86 (0.04) | 7.89 (0.04) | ||||||||
| Mass | [M☉] | 0.442 | 0.58 (0.03) | 0.577 (0.02) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.0517 | 0.0224 | ||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| log(C/H) | |||||||||||||
| log(N/H) | |||||||||||||
| log(O/H) | |||||||||||||
| log(Na/H) | |||||||||||||
| log(Mg/H) | |||||||||||||
| log(Al/H) | |||||||||||||
| log(Si/H) | |||||||||||||
| log(P/H) | |||||||||||||
| log(S/H) | |||||||||||||
| log(Sc/H) | |||||||||||||
| log(Ti/H) | |||||||||||||
| log(Cr/H) | |||||||||||||
| log(Mn/H) | |||||||||||||
| log(Fe/H) | |||||||||||||
| log(Ni/H) | |||||||||||||
| Parallax | [mas] | 2.67 (0.1) | 2.63 (0.3) | 2.67 (0.1) | |||||||||
| Distance | [pc] | 375.12 (21) | 380.18 (37) | 375.12 (21) | |||||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -23.24581955 (0.2) | -23.11288391 (0.3) | -23.246 (0.2) | -20.7 | ||||||||
| Proper motion (declination) | [mas/yr] | -24.95856361 (0.2) | -25.11593977 (0.3) | -24.959 (0.2) | -25.9 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 18.04 (0.01) | 18.04 (0.01) | 18.02 (0.03) | 18.01 | 18.03 (0.03) | ||||||||
| g magnitude | 18.07 (0.006) | 18.07 (0.006) | 18.08 (0.01) | 18.07 | 18.09 (0.01) | ||||||||
| r magnitude | 18.45 (0.008) | 18.45 (0.008) | 18.47 (0.02) | 18.46 | 18.46 (0.02) | ||||||||
| i magnitude | 18.71 (0.01) | 18.71 (0.01) | 18.73 (0.02) | 18.73 | 18.72 (0.02) | ||||||||
| z magnitude | 18.99 (0.05) | 18.99 (0.05) | 19.01 (0.05) | 19.01 | 19.00 (0.05) | ||||||||
| G magnitude | 18.27 (0.02) | 18.30 | 18.27 (0.004) | ||||||||||
| BP magnitude | 18.20 (0.02) | 18.15 | |||||||||||
| RP magnitude | 18.32 (0.06) | 18.49 | |||||||||||
| Pan g magnitude | 18.12 (0.005) | ||||||||||||
| Pan r magnitude | 18.46 (0.006) | ||||||||||||
| Pan i magnitude | 18.77 (0.006) | ||||||||||||
| Pan z magnitude | 19.03 (0.01) | ||||||||||||
| Pan y magnitude | 19.20 (0.05) | ||||||||||||
| E(B-V) | 0.057 | ||||||||||||
* 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
