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Latest Details
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Name
  CD Del  
AAVSO UID
000-BDQ-107 (215 observations)  
Constellation
Delphinus Sequence
J2000.0
20 23 04.11 +14 09 20.1  (305.76713 +14.15558) Search nearby
B1950.0 20 20 44.04 +13 59 38.3
Proper motion
RA: -2.5 +/- 3.9 mas/yDec: 1.8 +/- 3.4 mas/ySource: UCAC4
Galactic coord. 56.507 -12.967
Other names

(Internal only)
AN 141.1930 ASASSN-V J202304.07+140920.3 ATO J305.7670+14.1555
WISE J202304.10+140920.1    
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Variability type
RRAB
Spectral type --
Mag. range
12.90 - 14.07 V
Discoverer --
Epoch
06 Nov 2018 (HJD 2458428.645) Ephemeris
Outburst --
Period 0.4995270 d  (11.98865 h)
Rise/eclipse dur. 12%  (1.439 h)
Remarks
There are currently no remarks on file for this star. (Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0		 2017PASP..129j4502K
2 R.Ziener, MVS 2, H.2, 29, 1963. --
3 C.Hoffmeister, Sonn Mitt N22, 1933. 1933MiSon..22....1H
External Links
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Location    Go   
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 12.53H = 12.22K = 12.12J - K = 0.42
AllWISE W1 = 12.01W2 = 11.99W3 = 11.78W4 = 8.92W1 - W2 = 0.01W3 - W4 = 2.86
APASS-DR9 B = 14.44V = 13.90g' = 14.07r' = 13.77i' = 13.50B - V = 0.54
GALEX-DR5 NUV = 18.31
SDSS-DR12 u = 15.80g = 13.91r = 13.34i = 13.30z = 13.82u - g = 1.90r - i = 0.03
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 23 04.11 +14 09 20.1 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 CD Del Phase Plot Mifsud, Martin 2022-09-14 17:22 UTC Phase plot with ASAS-SN and Mifsud observations.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Mifsud, Martin 2022-08-23 16:03 UTC Period, epoch, rise duration and range from ASAS-SN and Mifsud data. Gaia DR3 position.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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