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Latest Details
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| Name |
CD Cyg |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
20 02 31.59 +33 58 10.2 |
| Proper motion |
| RA: -2.029 +/- 0.075 mas/y | Dec: -5.665 +/- 0.070 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
71.069 +1.430 |
Other names
(Internal only)
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AAVSO 2000+33 |
ASASSN-V J200426.63+340643.5 |
BD+33 3718 |
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HD 227463 |
HIP 98852 |
HV 3594 |
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IOMC 2678000037 |
SAO 69357 |
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| Variability type |
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DCEP |
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| Spectral type |
F8-K0Ib |
| Mag. range |
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8.35 - 9.56 V |
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| Discoverer |
Johanna Mackie (1921) |
| Epoch |
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| Outburst |
-- |
| Period |
17.073967 d |
| Rise/eclipse dur. |
28% (4.7807 d) |
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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 |
[A/H] = 0.2. P var. There is a square term in the elements: +1.54d*10**(-6)*E**2. |
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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 |
L.Szabados, Bud Mitt N77, 1981. |
1981CoKon..77....1S |
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3 |
C.Payne, HB N883, 1931. |
-- |
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4 |
Hartwig, E., 1922, Benennung von neu entdeckten veraenderlichen Sternen |
1922AN....215..185H |
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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 = 6.47 | H = 5.87 | K = 5.64 | J - K = 0.83 |
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AllWISE
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W1 = 5.71 | W2 = 5.48 | W3 = 5.59 | W4 = 5.49 | W1 - W2 = 0.22 | W3 - W4 = 0.10 |
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APASS-DR9
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B = 10.76 | V = 9.23 | g' = 9.96 | r' = 8.67 | i' = 8.11 | B - V = 1.53 |
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Images
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Supporting Documents
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Revision History
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