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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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Name |
CH Del |
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AAVSO UID |
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Constellation |
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J2000.0 |
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B1950.0 |
20 21 01.29 +16 56 30.3 |
Proper motion |
RA: 7.6 +/- 9.0 mas/y | Dec: 13.6 +/- 8.5 mas/y | Source: UCAC4 |
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Galactic coord. |
59.068 -11.409 |
Other names

(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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2MASS J20231838+1706134 |
AN 142.1930 |
ASAS J202318+1706.3 |
ASASSN-V J202318.40+170613.5 |
GSC 01635-01484 |
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Variability type |
RRC |
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Spectral type |
-- |
Mag. range |
12.88 - 13.36 V |
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Discoverer |
-- |
Epoch |
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Outburst |
-- |
Period |
0.315032 d (7.5608 h) |
Rise/eclipse dur. |
41% (3.10 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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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 |
Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the contents and survey properties |
2018A&A...616A...1G |
2 |
D.M. Bramich, K.A. Alsubai, A. Arellano Ferro et al., 2014, IBVS 6106 |
2014IBVS.6106....1B |
3 |
G.Pojmanski, Acta Astronomica 52, 397, 2002. |
2002AcA....52..397P |
4 |
C.Hoffmeister, VSS 1, N2, 1947. |
-- |
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C.Hoffmeister, Sonn Mitt N22, 1933. |
1933MiSon..22....1H |
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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 = 12.09 | H = 11.97 | K = 11.93 | J - K = 0.17 |
AllWISE
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W1 = 11.83 | W2 = 11.88 | W3 = 11.42 | W1 - W2 = -0.06 |
APASS-DR9
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B = 13.41 | V = 13.02 | g' = 13.18 | r' = 12.95 | i' = 12.90 | B - V = 0.39 |
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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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Click document name to open or save. Browser plug-in or other software may be required for viewing.
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1 |
Lightcurve plot
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Quadri, Ulisse
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2016-08-09 11:36 UTC |
Lightcurve from VESPA project at (IAU Station 565) Bassano Bresciano Observatory, BS, Italy. http://www.osservatoriobassano.org |
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(Not logged in) Add document
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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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5 |
Otero, Sebastian Alberto
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2020-05-15 00:48 UTC |
Gaia DR2 position. |
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4 |
Quadri, Ulisse
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2016-08-06 18:25 UTC |
Period, range and rise duration from Bassano Bresciano Observatory (Italy) and ASAS-3 data. |
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3 |
Otero, Sebastian Alberto
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2011-04-09 00:57 UTC |
Primary record creation. Period, epoch and range from ASAS-3 data. UCAC3 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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