2MASS J22003170-0715070
All names: Gaia EDR3 2620293237290015232, Gaia DR2 2620293237289588224, 2MASS J22003170-0715070, WDS J22005-0715B, ** SKF 1777B, WISE J220031.79-071506.9, WD 2157-074, SDSS J220031.65-071507.6, Gaia DR2 2620293237290015232
| Parameter | Unit | Gaia EDR3 | MWDD H | Gaia DR2 | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | SDSS DR12 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 00 31.75 (0.3) | 22 00 31.75 (0.6) | 22 00 31.65 | 22 00 31.68 | 22 00 31.72 (1) | 22 00 31.65 | 22 00 31.13 | 22 00 31.65 | |||
| Declination | -07 15 07.62 (0.2) | -07 15 07.62 (0.3) | -07 15 07.60 | -07 15 07.62 | -07 15 07.01 (0.5) | -07 15 07.61 | -07 15 03.60 | -07 15 07.62 | |||
| Spectral type | DA+M | DA+M | DA | M7 | DA+M | DA d | DA+M | ||||
| Effective temperature | [K] | 8878.0 | 8977.0 (104) | 9050.0 (110) | 8586.0 (56) | 8326.0 (61) | |||||
| log(g) | [cgs] | 7.92 | 8.09 (0.2) | 8.27 (0.1) | 7.85 (0.1) | 7.30 (0.2) | |||||
| Mass | [M☉] | 0.552 | 0.65 (0.2) | 0.77 (0.09) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.7378 | 1.2023 | ||||||||
| 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] | 6.05 (0.3) | 5.72 (0.8) | 6.95 (2) | |||||||
| Distance | [pc] | 165.35 (8) | 174.95 (25) | 501.00 (356) | 143.91 (34) | ||||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 105.8600175 (0.2) | 106.4868237 (0.6) | 104.758 (1) | 107.6 | ||||||
| Proper motion (declination) | [mas/yr] | -2.098210858 (0.2) | -1.744422218 (0.7) | -1.614 (1) | -0.6 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.89 (0.07) | ||||||||||
| H magnitude | 15.53 (0.1) | ||||||||||
| K magnitude | 14.86 (0.1) | ||||||||||
| u magnitude | 19.20 | 19.25 (0.03) | 19.20 (0.04) | 19.20 | 19.19 (0.03) | ||||||
| g magnitude | 18.73 | 18.77 (0.009) | 18.73 (0.03) | 18.74 | 18.73 (0.03) | ||||||
| r magnitude | 18.75 | 18.69 (0.01) | 18.75 (0.02) | 18.75 | 18.74 (0.02) | ||||||
| i magnitude | 18.37 | 18.40 (0.01) | 18.37 (0.02) | 18.37 | 18.37 (0.02) | ||||||
| z magnitude | 18.03 | 17.46 (0.01) | 18.03 (0.03) | 18.03 | 18.01 (0.03) | ||||||
| G magnitude | 18.74 (0.03) | 18.77 | 19.59 (0.006) | ||||||||
| BP magnitude | 18.77 (0.03) | 18.76 | |||||||||
| RP magnitude | 17.93 (0.04) | 17.95 | |||||||||
| Pan g magnitude | |||||||||||
| Pan r magnitude | |||||||||||
| Pan i magnitude | |||||||||||
| Pan z magnitude | |||||||||||
| Pan y magnitude | |||||||||||
* Constant surface field
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