Name | Common Name | X-ray Observatory |
Count Ratea (cnts s-1) |
X-ray Size (arcsec) |
Fluxb (ergs cm-2 s-1) |
BD+30°3639 | Campbell's Star | Chandra | 0.242±0.004 | 5"×4" | 6.8×10−13 |
Hen 3-1475 | ... | Chandra | 0.0017±0.0003 | Point Source | 5.1×10−15 |
Mz 3c | Ant Nebula | Chandra | 0.0022±0.0003 | 33''×15'' | 7×10−15 |
NGC 40 | ... | Chandra | 0.0029±0.0008 | 35''×35'' | 1.7×10−14 |
NGC 2346 | ... | XMM-Newton | <0.0045 | ... | <5×10−15 |
NGC 2392 | Eskimo Nebula | XMM-Newton | 0.0534±0.0026 | 6×10−14 | |
NGC 3242 | Ghost of Jupiter Nebula | XMM-Newton | 0.0384±0.0021 | 12''×8'' | 6.7×10−14 |
NGC 6543c | Cat's Eye Nebula | Chandra | 0.0316±0.0009 | 18''×8'' | 1.0×10−13 |
NGC 7009 | Saturn Nebula | XMM-Newton | 0.0615±0.0017 | 23''×14'' | 7.2×10−14 |
NGC 7026 | ... | XMM-Newton | 0.0083±0.0011 | 45''×25'' | 8.8×10−15 |
NGC 7027 | ... | Chandra | 0.015±0.001 | 11''×7'' | 3.1×10−14 |