V725 Sagittarii

V725 Sagittarii (V725 Sgr) is a semiregular pulsating variable star in the constellation of Sagittarius.[1] As recently as a century ago, it was a Population II Cepheid; its transformation was documented by Henrietta Swope beginning in 1937, and is one of the most exciting and instructive events in variable-star astronomy.[2][3]

V725 Sagittarii
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Sagittarius
Right ascension  18h 11m 56s[1]
Declination −36° 06 24[1]
Characteristics
Variable type semiregular variable
Other designations
V725 Sgr
Database references
SIMBADdata

References

  1. V* V725 Sgr -- Variable Star, database entry, SIMBAD. Accessed on line August 22, 2008.
  2. Swope, H. 1937, Harvard College Observatory Annals, 105, 26, 499
  3. Demers, S. 1973, Journal of the Royal Astronomical Society of Canada, 67, 19.


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