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Latest Details
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| Name |
R Sge |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
20 11 46.74 +16 34 26.0 |
| Proper motion |
| RA: -1.647 +/- 1.007 mas/y | Dec: -4.563 +/- 0.812 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
57.527 -9.755 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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AAVSO 2009+16 |
ASAS J201404+1643.6 |
BD+16 4197 |
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HD 192388 |
SAO 105871 |
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| Variability type |
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RVB |
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| Spectral type |
G0Ib-G8Ib |
| Mag. range |
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8.0 - 10.5 V |
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| Discoverer |
Joseph Baxendell (1859) |
| Epoch |
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| Outburst |
-- |
| Period |
70.77 d |
| Rise/eclipse dur. |
-- |
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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 (70.07d <= P <= 71.24d [B.P.Gerasimovic, L.Hufnagel, HC N340, 1929.]. Period variation study [I.G.Zhdanova, Izv. Glav. Astron. Obs. AN USSR 1, Issue 2, 69, 1956.]. The elements given in the Table are valid since JD2434000. The mean brightness varies: Min = 2414402 + 1112.d*E [V.P.Zessewitsch, Perem. Zvezdy 8, N2, 121, 1951.]. |
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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 |
C.Payne-Gaposchkin, V.K.Brenton, S.Gaposchkin, HA 113, N1, 1943. |
1943AnHar.113....1P |
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3 |
Sternberg, B., 1927, Messungen von veranderlichen Sternen in der Jahren
1925-1926 |
1927PAICU...7D...1S |
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4 |
Cannon, A. J., 1907, Second catalogue of variable stars |
1907AnHar..55....1C |
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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 = 7.82 | H = 7.23 | K = 6.54 | J - K = 1.28 |
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AllWISE
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W1 = 4.66 | W2 = 3.32 | W3 = 1.34 | W4 = 0.27 | W1 - W2 = 1.34 | W3 - W4 = 1.07 |
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APASS-DR9
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B = 10.38 | V = 9.22 | g' = 9.85 | r' = 8.88 | i' = 8.62 | B - V = 1.17 |
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Images
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Supporting Documents
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Revision History
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