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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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| Name |
W Sgr |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
18 01 49.56 -29 35 03.0 |
| Proper motion |
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| Galactic coord. |
1.576 -3.980 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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AAVSO 1758-29 |
ADS 11029 A |
CD-29 14447 |
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CPD-29 5230 |
HAT 622-9818 |
HD 164975 |
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HIP 88567 |
HR 6742 |
IRC -30351 |
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OGLE-BLG-CEP-26 |
SAO 186237 |
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(Not logged in) Add name
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| Variability type |
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DCEP |
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| Spectral type |
F4-G2Ib |
| Mag. range |
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4.28 - 5.10 V |
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| Discoverer |
Williamina Fleming (1906) |
| Epoch |
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| Outburst |
-- |
| Period |
7.594984 d |
| Rise/eclipse dur. |
29% (52.86 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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1 |
Billiaert, Bruno
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Triple system. Spectroscopic binary (F5:V companion, 5 AU from the cepheid) and a 9.7 Vmag. A0V companion 0.16" away (2009AJ....137.3700E). Combined range given. |
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2 |
GCVS Team |
VB A (A 9.2m, 0.116", 153.3deg, 1976.477; B 13.5m, 33.4", 233deg; C 13.5m, 47.9", 101deg). P var. Max = 2403198.39 + 7.594695d*E (JD2403100 - 34500); since JD2434500 - see Table. |
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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 |
Breitfelder, J.; et al., 2016, Observational calibration of the projection
factor of Cepheids. II. Application to nine Cepheids with HST/FGS parallax
measurements |
2016arXiv160104727B |
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2 |
I. Soszynski et al., 2011, arXiv:1112.1406v1 (online I data) |
2011arXiv1112.1406S |
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3 |
I. Soszynski et al., 2011, arXiv:1112.1406v1 (online V data) |
2011arXiv1112.1406S |
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4 |
I. Soszynski et al., 2011, arXiv:1112.1406v1 (Chart) |
2011arXiv1112.1406S |
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5 |
I. Soszynski et al., 2011, arXiv:1112.1406v1 [astro-ph.SR] |
2011arXiv1112.1406S |
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D.M. Nataf, K.Z. Stanek, G.A. Bakos, 2010, arXiv:1009.2502v1 [astro-ph.GA] |
2010arXiv1009.2502N |
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7 |
Evans, N. R.; Massa, D.; Proffitt, C., 2009, Massive Star Multiplicity: The
Cepheid W Sgr |
2009AJ....137.3700E |
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8 |
H.H.Swope, HA 109, N1, 1940. |
1940AnHar.109....1S |
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9 |
Cannon, A. J., 1907, Second catalogue of variable stars |
1907AnHar..55....1C |
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10 |
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 = 3.57 | H = 3.14 | K = 3.06 | J - K = 0.51 |
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AllWISE
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W3 = 2.66 | W4 = 2.68 | W3 - W4 = -0.02 |
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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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There are currently no supporting documents on file for this star.
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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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