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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


  1. Recommended eyepiece: 24mm or 40 mm.

  2. When people look through the telescope a bright red point of light should be seen.


Hind's Crimson Star Information:


  1. 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.

  2. If R Leporis were our Sun, it would extend past the asteroid belt.

  3. Luminosity 85.6 Suns visual (between 5,200 and 7,000 x the Sun in infrared)

  4. 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