SDSS J091553.25+451129.2
All names: SDSS J091553.27+451129.1, SDSS J091553.20+451129.2, [HHD2009] SDSS J0915+4511, Gaia EDR3 818878125354254848, SDSS J091553.25+451129.2, LAMOST J091553.25+451129.2, WIRED J091553.25+451129.2, Gaia DR3 818878125354254848, Gaia DR2 818878125354254848, GALEX J091553.2+451129, WD 0912+453
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 15 53.26 (0.1) | 09 15 53.25 | 09 15 53.26 (0.2) | 09 15 53.25 | 09 15 53.26 | 09 15 53.25 (0.1) | 09 15 53.25 | 09 15 53.42 | 09 15 53.25 | ||||||
| Declination | 45 11 29.26 (0.1) | 45 11 29.25 | 45 11 29.26 (0.1) | 45 11 29.18 | 45 11 29.26 | 45 11 29.28 (0.1) | 45 11 29.25 | 45 11 22.92 | 45 11 29.24 | ||||||
| Spectral type | DA+M | DA+M | DA | DA | DA+dM | DA+M | DA d | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 10170.0 | 18120.0 (346) | 18910.0 (320) | 10256.0 (196) | 17355.0 (185) | 17879.0 (203) | ||||||||
| log(g) | [cgs] | 7.11 | 7.87 (0.07) | 7.95 (0.05) | 7.10 (0.06) | 7.75 (0.04) | 7.80 (0.04) | ||||||||
| Mass | [M☉] | 0.244 | 0.55 (0.04) | 0.59 (0.03) | 0.241 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.2458 | 0.0851 | ||||||||||||
| 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] | 3.01 (0.2) | 2.90 (0.2) | 3.01 | 3.01 (0.2) | ||||||||||
| Distance | [pc] | 332.48 (19) | 344.73 (27) | 802.00 (115) | 332.48 | 332.48 (19) | |||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 11.89576301 (0.2) | 11.77839133 (0.3) | 11.896 (0.2) | 15.8 | ||||||||||
| Proper motion (declination) | [mas/yr] | -1.299100874 (0.1) | -1.655752305 (0.3) | -1.299 (0.1) | -4.4 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | WDMS | WDMS | WDMS | WDMS | |||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 18.49 (0.02) | 18.48 | 18.49 (0.02) | 18.48 (0.02) | 18.48 | 18.50 (0.02) | |||||||||
| g magnitude | 18.32 (0.007) | 18.31 | 18.32 (0.007) | 18.31 (0.02) | 18.31 | 18.32 (0.02) | |||||||||
| r magnitude | 18.64 (0.009) | 18.64 | 18.64 (0.009) | 18.64 (0.02) | 18.64 | 18.64 (0.02) | |||||||||
| i magnitude | 18.75 (0.01) | 18.77 | 18.75 (0.01) | 18.77 (0.02) | 18.77 | 18.78 (0.02) | |||||||||
| z magnitude | 18.61 (0.04) | 18.60 | 18.61 (0.04) | 18.61 (0.04) | 18.61 | 18.61 (0.04) | |||||||||
| G magnitude | 18.54 (0.009) | 18.55 | 18.54 | 18.54 (0.003) | |||||||||||
| BP magnitude | 18.47 (0.009) | 18.45 | |||||||||||||
| RP magnitude | 18.38 (0.02) | 18.36 | |||||||||||||
| Pan g magnitude | 18.49 (0.02) | ||||||||||||||
| Pan r magnitude | 18.68 (0.007) | ||||||||||||||
| Pan i magnitude | 18.79 (0.009) | ||||||||||||||
| Pan z magnitude | 18.68 (0.008) | ||||||||||||||
| Pan y magnitude | 18.53 (0.03) | ||||||||||||||
| E(B-V) | 0.019 | ||||||||||||||
* Constant surface field
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