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Latest Details
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| Name |
XX Sgr |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
18 21 50.69 -16 49 31.5 |
| Proper motion |
| RA: -0.357 +/- 0.146 mas/y | Dec: -0.642 +/- 0.101 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
14.988 -1.877 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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AAVSO 1819-16 |
AN 33.1908 |
ASAS J182444-1647.8 |
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BD-16 4859 |
HD 169315 |
HIP 90241 |
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HV 3075 |
IOMC 6266000017 |
SAO 161444 |
(Not logged in) Add name
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| Variability type |
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DCEP |
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| Spectral type |
F6-G2 |
| Mag. range |
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8.41 - 9.28 V |
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| Discoverer |
Annie J. Cannon (1908) |
| Epoch |
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| Outburst |
-- |
| Period |
6.42429 d |
| Rise/eclipse dur. |
25% (38.5 h) |
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Remarks
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Some references may be clicked to view in new window. Roll over index number to view submission details.
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1 |
GCVS Team |
P var. Max = 2419189.730 + 6.424264d*E (JD2419100 - 30100) [H.Shapley, HB N876, 1930.]; since JD2435000 - see Table. |
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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 |
J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info) |
2012arXiv1210.0821A |
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2 |
G.Pojmanski, Acta Astronomica 52, 397, 2002. |
2002AcA....52..397P |
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3 |
T.J.Moffett, T.G.Barnes III, ApJ Suppl 55, 389, 1984. |
1984ApJS...55..389M |
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4 |
J.Voute, Lemb Ann 2, D25, 1932. |
-- |
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5 |
Catalogue of Stellar Spectral Classifications (Skiff, 2005) |
1927HarCi.313....1S |
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6 |
Dunér, N. C.; Hartwig, E.; Muller, G., 1911, Benennung von neu entdeckten
veränderlichen Sternen |
1911AN....190...57. |
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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 = 6.46 | H = 5.94 | K = 5.72 | J - K = 0.74 |
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AllWISE
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W1 = 5.57 | W2 = 5.39 | W3 = 5.63 | W4 = 5.71 | W1 - W2 = 0.18 | W3 - W4 = -0.09 |
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APASS-DR9
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B = 10.12 | V = 8.70 | g' = 9.84 | r' = 8.32 | i' = 7.93 | B - V = 1.42 |
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Images
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Supporting Documents
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Revision History
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