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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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| Name |
S 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 40 46.68 +16 54 26.5 |
| Proper motion |
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| Galactic coord. |
61.793 -15.321 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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2MASS J20430489+1705173 |
AAVSO 2038+16 |
ASAS J204305+1705.1 |
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BD+16 4351 |
DO 19287 |
GSC 01638-00307 |
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HD 197420 |
HIP 102246 |
IDS 20385+1643 A |
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IRAS 20407+1654 |
IRC +20477 |
SAO 106422 |
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TYC 1638-307-1 |
WDS J20431+1705B |
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| Variability type |
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M |
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| Spectral type |
M5e-M8 |
| Mag. range |
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8.3 - 12.4 V |
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| Discoverer |
Joseph Baxendell (1860) |
| Epoch |
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| Outburst |
-- |
| Period |
277.75 d |
| Rise/eclipse dur. |
52% (144 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 |
Schmeer, Patrick
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Gaia DR2 parallax 1.3134 ± 0.1026 mas (distance 0.75 ± 0.06 kpc). Optical Vmag. 8.5 companion 56" to the NNW. |
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2 |
GCVS Team |
VB A (B 56", 342deg). Double maxima are sometimes observed. |
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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 |
Baxendell, J., 1861, On the Three New Variable Stars, T Bootis, T
Serpentis, and S Delphini |
1861MNRAS..21...68B |
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3 |
T. Karlsson, Maxima of Mira stars |
-- |
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4 |
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 = 3.50 | H = 2.56 | K = 2.14 | J - K = 1.36 |
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AllWISE
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W3 = 1.02 | W4 = 0.59 | W3 - W4 = 0.44 |
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APASS-DR9
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B = 12.61 | V = 11.00 | g' = 11.93 | r' = 10.03 | i' = 7.26 | B - V = 1.62 |
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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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Campaigns/Programs
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Legacy LPV Program
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LPV Program
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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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