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R Leporis
Hind's Crimson Star
Red Giant Star
Right Ascension | 4h 59m 36s | Best Seen | 1/1 - 3/15 |
Declination | -14° 48' 22" | Magnitude | 5.5 - 11.7 |
Constellation | Lepus | ||
Actual | Compared to Sun | |
Distance | ~1,350 ly | -- |
Actual Brightness | -- | 6,689 |
Surface Temperature | ~2,290 °K | |
Diameter | ~ 436 million miles | ~ 1,000 |
Mass | -- | |
Surface Gravity | -- | -- |
Surface Composition (by mass) | 74% hydrogen 24% helium 2% everything else |
same |
Spectral Type | C7,6e (N6e) | G2 V |
B-V Color Index | +5.70, red | |
Density (gram/cubic cm) | -- | -- |
What To Look For Through The Telescope
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Recommended eyepiece: 24mm or 40 mm.
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When people look through the telescope a bright red point of light should be seen.
Hind's Crimson Star Information:
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This is a red variable (a Mira Variable) carbon-star giant in the constellation Lepus (the hare). It has a variability period of 427.07 days, and may have a long secondary variability of 40 years.
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If R Leporis were our Sun, it would extend past the asteroid belt.
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Luminosity 85.6 Suns visual (between 5,200 and 7,000 x the Sun in infrared)
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Discovered in 1845 by J.R. Hind. He described it as “a drop of blood on a black field.”
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References
Item | Updated | Notes |
Other | 2018-12-07 | http://stars.astro.illinois.edu/sow/hinds.html https://en.wikipedia.org/wiki/R_Leporis |