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Latest Details
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| Name |
RY Sgr |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
19 13 17.02 -33 36 42.2 |
| Proper motion |
| RA: 9.029 +/- 0.072 mas/y | Dec: -0.292 +/- 0.042 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
4.431 -19.448 |
Other names
(Internal only)
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2MASS J19163275-3331204 |
AAVSO 1910-33 |
ASAS J191633-3331.3 |
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CD-33 14076 |
CPD-33 5553 |
HD 180093 |
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HIP 94730 |
HR 7296 |
RAFGL 5559 |
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SAO 211117 |
WISE J191632.84-333118.9 |
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| Variability type |
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RCB |
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| Spectral type |
G0Iaep(C1,0) |
| Mag. range |
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5.8 - 14.0 V |
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| Discoverer |
E.E. Markwick (1893) |
| Epoch |
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| Outburst |
-- |
| Period |
37.67 d |
| Rise/eclipse dur. |
-- |
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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 |
VB A (B 15.69m, 12"). There are pulsational light variations (0.1m < A < 1.5m) with the elements: Max = 2433670 + 38.6056d*E - 78d*10**(-5)*E**2. light curve [M.Verdenet, BAFOEV 17, N3, 106, 1981., M.W.Mayall, JRAS Can 66, 233, 1972.]; spectrum description [J.B.Alexander, P.J.Andrews, R.M. Catchpole, M.W.Feast, T.Lloyd Evans, J.W.Menzies, P.N.J.Wisse, M.Wisse, MN 158, 305-360, 1972.]. |
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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 |
Tisserand, P.; Clayton, G. C.; Bessell, M. S.; et al., 2020, A plethora of
new R Coronae Borealis stars discovered from a dedicated spectroscopic
follow-up survey |
2020A&A...635A..14T |
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2 |
The All Sky Automated Survey |
2002AcA....52..397P |
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3 |
H.G.Marraco, G.E.Milesi, AJ 87, 1775, 1982. |
1982AJ.....87.1775M |
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4 |
E.C. Pickering, 1896, Harvard College Observatory Circular 7, 1 |
1896HarCi...7....1P |
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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 = 5.58 | H = 5.42 | K = 5.14 | J - K = 0.44 |
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APASS-DR9
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B = 7.00 | V = 6.72 | B - V = 0.28 |
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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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Binocular 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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