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Latest Details
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| Name |
RT Oct |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
22 52 21.68 -87 19 15.0 |
| Proper motion |
| RA: 1.848 +/- 0.095 mas/y | Dec: -5.374 +/- 0.106 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
304.503 -29.731 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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2MASS J23010623-8703109 |
AAVSO 2241-87 |
AN 41.1916 |
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ASAS J230106-8703.2 |
ASASSN-V J230106.52-870310.7 |
GSC 09533-01276 |
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HIP 113652 |
HV 3396 |
IRAS 22523-8719 |
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TYC 9533-1276-1 |
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| Variability type |
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M |
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| Spectral type |
M2-M7e |
| Mag. range |
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9.58 - 14.7 V |
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| Discoverer |
Henrietta Leavitt (1916) |
| Epoch |
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| Outburst |
-- |
| Period |
178.7 d |
| Rise/eclipse dur. |
-- |
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Remarks
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There are currently no remarks on file for this star.
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References
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Click reference title/citation to view in new window. Roll over index number to view submission details.
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1 |
G.Pojmanski, Acta Astronomica 52, 397, 2002. |
2002AcA....52..397P |
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2 |
Long-term (UBVRI)c monitoring of 12 southern hemisphere long period
variables |
1997A&AS..122..415D |
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3 |
F.M.Bateson, M.Morel, B.Sumner, R.Winnett, Charts for Southern Variables,
ser. N11, 1979. |
-- |
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4 |
Hartwig, E.; Muller, G., 1921, Benennung von neu entdeckten veraenderlichen
Sternen |
1921AN....212..353. |
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5 |
General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al. |
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External Links
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Location
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Catalog Data
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Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
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2MASS
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J = 6.86 | H = 6.02 | K = 5.57 | J - K = 1.29 |
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AllWISE
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W1 = 5.27 | W2 = 4.76 | W3 = 4.25 | W4 = 3.74 | W1 - W2 = 0.51 | W3 - W4 = 0.51 |
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APASS-DR9
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B = 15.67 | V = 13.98 | g' = 14.81 | r' = 13.03 | i' = 10.40 | B - V = 1.68 |
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Images
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Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Revision History
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Currently approved revision is checked. Click revision number to view details of that revision.
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4 |
Fernig, Leo
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2023-03-29 20:25 UTC |
Discoverer updated from 1921AN....212..353. page 374. |
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3 |
Otero, Sebastian Alberto
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2011-04-27 01:31 UTC |
Primary record creation. Period, epoch and range from ASAS-3 data. Spectral type from reference. Hipparcos position. |
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2 |
Admin, VSX
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2010-01-05 04:43 UTC |
Position updated from the GCVS version of November 2009. |
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1 |
Admin, VSX
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2005-12-18 01:33 UTC |
Initial upload. |
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