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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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| Name |
R Hya |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
13 26 58.52 -23 01 24.7 |
| Proper motion |
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| Galactic coord. |
314.223 +38.750 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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AAVSO 1324-22 |
ADS 8920 A |
ASAS J132943-2316.9 |
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BD-22 3601 |
CD-22 9961 |
HD 117287 |
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HIP 65835 |
HR 5080 |
IRC -20254 |
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RAFGL 1627 |
SAO 181695 |
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(Not logged in) Add name
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| Variability type |
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M |
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| Spectral type |
M6e-M9eS(Tc) |
| Mag. range |
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3.5 - 10.9 V |
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| Discoverer |
Montanari (1672), Maraldi (1704) |
| Epoch |
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| Outburst |
-- |
| Period |
359 d |
| Rise/eclipse dur. |
49% (176 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 |
Otero, Sebastian Alberto
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Period keeps shortening. 2017-2022 = 359 d. |
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2 |
Otero, Sebastian Alberto
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Period keeps shortening.
1965-1992 = JD 2442062 + 386.2 x E.
1997-2011 = JD 2452863 + 380 x E. |
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3 |
GCVS Team |
VB A (B 13.0m, 21.6", 324deg). SiO maser. P var. According to [R.Prager, GuL 2, 1936.]; Max = 2328201 + 486d*E (JD2328200 - 31120); Max = 2343512 + 507d*E (JD2343300 - 44800); Max = 2372678 + 485d*E (JD2372200 - 72700); Max = 2380447 + 477d*E (JD2380000 - 81400); Max = 2385160 + 461d*E (JD2384700 - 88000); Max = 2394350 + 448.6d*E (JD2393900 - 2402000); Max = 2403742 + 434d*E (JD2403300 - 04200); Max = 2406363 + 429.5d*E (JD2406000 - 11100); Max = 2413642 + 411d*E (JD2413200 - 14100); Max = 2416563 + 405.5d*E (JD2416100 - 23400); Max = 2424288 + 414.7d*E (JD2423400 - 28500). since JD2428500 - 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 |
G.Pojmanski, Acta Astronomica 52, 397, 2002. |
2002AcA....52..397P |
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2 |
W. Ceraski, 1908, Nouvelles de la Science, Variétés |
1908BSAFR..22..241C |
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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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Images
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Supporting Documents
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Campaigns/Programs
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Binocular program
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Legacy LPV Program
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LPV Program
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LPV Humps
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Percy's Unusual LPVs
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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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