V725 Sagittarii
| Observation data ICRS )
| |
|---|---|
| Constellation | Sagittarius |
| Right ascension | 18h 11m 59.43904s[2] |
| Declination | −36° 06′ 40.3345″[2] |
| Characteristics | |
| Spectral type | K4III (in 2009)[3] |
| Variable type | Unique[4] |
| Absolute magnitude (MV) | −2.4[3] |
| Details | |
dex | |
V725 Sgr[6] | |
| Database references | |
| SIMBAD | data |
V725 Sagittarii is a
apparent visual magnitude 12.3 and 14.3.[4]
Prior to 1926, this star showed the appearance of being an irregular variable. It then became a
H-R diagram. It migrated from the asymptotic giant branch (AGB) to the Cepheid instability strip and then back to the AGB.[3]
In 1973, the spectral class of V725 Sagittarii was estimated to be between F8 and G2 and similar to a
emission lines.[10] In 2010, the spectral type was estimated from its colours and other properties to be K4III, although possibly late K.[3]
References
- Bibcode:2020JAVSO..48..162P. Retrieved 6 March 2022.
- ^ .
- ^ S2CID 121109034.
- ^ S2CID 125853869.
- ^ S2CID 131780028.
- ^ "V725 Sgr". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-12-01.
- ^ Bibcode:1937AnHar.105..499S.
- ^ Bibcode:1973JRASC..67...19D.
- doi:10.1086/113524.
- S2CID 122921279.
