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Latest Details
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| Name |
U Lib |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
15 39 08.29 -21 01 17.2 |
| Proper motion |
| RA: -7.7 +/- 1.5 mas/y | Dec: -16.1 +/- 1.1 mas/y | Source: UCAC4 |
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| Galactic coord. |
347.820 +26.461 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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2MASS J15420315-2110507 |
AAVSO 1536-20A |
ASAS J154201-2110.7 |
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ASASSN-V J154203.09-211050.6 |
BD-20 4305 |
IRAS 15391-2101 |
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SOPS IVd- 1 |
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| Variability type |
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M |
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| Spectral type |
M3e-M8.0e |
| Mag. range |
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8.9 - 15.2 V |
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| Discoverer |
Christian Peters (1878) |
| Epoch |
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| Outburst |
-- |
| Period |
228 d |
| Rise/eclipse dur. |
44% (100 d) |
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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 |
Cannon, A. J., 1907, Second catalogue of variable stars |
1907AnHar..55....1C |
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3 |
T. Karlsson, Maxima of Mira stars |
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4 |
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 = 5.82 | H = 4.98 | K = 4.56 | J - K = 1.26 |
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AllWISE
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W1 = 4.46 | W2 = 3.64 | W3 = 3.08 | W4 = 2.56 | W1 - W2 = 0.82 | W3 - W4 = 0.51 |
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APASS-DR9
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B = 14.39 | V = 13.09 | g' = 13.79 | r' = 11.83 | i' = 8.88 | B - V = 1.30 |
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Images
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Supporting Documents
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Revision History
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