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| Query : 1995A&A...297..461G |
1995A&A...297..461G - Astronomy and Astrophysics, volume 297461-464 (1995/5-2)
T Ursae Minoris: a Mira star with rapidly decreasing period.
GAL J. and SZATMARY K.
Abstract (from CDS):
Light curve analysis of the Mira star T UMi showed that the period of the star strongly decreases: between JD 2440000 and 2449250 the period dropped from 314.5days to 283.2days. Comparing the results with model calculations it seems that the period decreasing of T UMi may be due to a change in luminosity resulting from a shell flash in the helium burning shell. The rate of the period variation suggests that this Mira is just after the beginning of the shell flash.
Abstract Copyright: ∼
Journal keyword(s): methods: data analysis - stars: AGB - stars: individual: T UMi
Simbad objects: 4
| Number of rows : 4 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | V* R Hya | Mi* | 13 29 42.7801586466 | -23 16 52.751628992 | 7.26 | 6.58 | 4.97 | 2.27 | -0.15 | M6-9e | 511 | 0 |
| 2 | V* T UMi | Mi* | 13 34 41.0716584144 | +73 25 53.083879752 | 12.54 | 11.46 | M6e | 104 | 0 | |||
| 3 | V* W Dra | Mi* | 18 05 34.6341947904 | +65 57 21.594044988 | 10.80 | 10.34 | M3-4 | 79 | 0 | |||
| 4 | V* R Aql | OH* | 19 06 22.2510922392 | +08 13 48.012661776 | 8.06 | 7.69 | 6.09 | M6.5-9e | 579 | 2 |
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