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hip-98425
Variable starIts story
25 Cygni lives 1,321 light-years deep into the Swan, a B-class blue subgiant several times hotter than the Sun and thousands of times more luminous. Its brightness is not perfectly steady —hence its variable tag, V1746 Cyg— with subtle oscillations that hint at inner processes still under study. The light reaching us tonight set out around the year 700 AD.
- Constellation
- Cygnus
- Apparent magnitude
- 5.15
- Distance
- 1320.6 light years
- Coordinates (J2000)
- RA 299.980° · Dec 37.043°
- Catalogue
- HIP 98425 · HD 189687
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