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Latest Details
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| Name |
Y Per |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
03 24 18.04 +44 00 12.3 |
| Proper motion |
| RA: -6.391 +/- 0.070 mas/y | Dec: 5.755 +/- 0.056 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
150.275 -10.242 |
Other names
(Internal only)
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AAVSO 0320+43 |
AN 68.1901 |
ASASSN-V J032742.38+441035.7 |
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BD+43 726 |
HD 21280 |
HIP 16126 |
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| Variability type |
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SRB |
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| Spectral type |
C4,3e(R4e) |
| Mag. range |
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8.1 - 11.3 V |
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| Discoverer |
Arthur Williams (1901) |
| Epoch |
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| Outburst |
-- |
| Period |
253.4 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 |
Otero, Sebastian Alberto
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Between JD 2447200 and 2447600 the star switched from a ~250 d mira to a 127 d SRA variable. Models by Xiong et al. (1998ApJ...500..449X) suggest a first and third overtone combination (observed periods: 245 and 127 d) (1999A&A...346..542K). Recent AAVSO data shows that the dominant period is again the longer one but the amplitude has remained below 1.5 Vmag. with a mean V= 9.2. Periods between 2009 and 2026 are P= 253.4 and 121.9 d. |
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2 |
GCVS Team |
P var. Max = 2414990 + 254.74d*E (JD2415000 - 18000); Max = 2418049 + 246.25d*E (JD2418000 - 22000); Max = 2422242 + 253.62d*E (JD2422000 - 41000); since JD2441000 - 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 |
Kiss, L. L.; Szatmáry, K.; Cadmus, R. R., Jr.; Mattei, J. A., 1999,
Multiperiodicity in semiregular variables. I. General properties |
1999A&A...346..542K |
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2 |
Xiong, D. R.; Cheng, Q. L.; Deng, L., 1998, Turbulent Convection and
Pulsational Stability of Variable Stars. II. Oscillations of RR Lyrae and
Horizontal Branch Red Variable Stars |
1998ApJ...500..449X |
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3 |
Cannon, A. J., 1907, Second catalogue of variable stars |
1907AnHar..55....1C |
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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 = 5.15 | H = 4.29 | K = 3.68 | J - K = 1.48 |
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AllWISE
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W2 = 2.64 | W3 = 2.59 | W4 = 2.06 | W3 - W4 = 0.53 |
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APASS-DR9
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B = 11.89 | g' = 10.48 |
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SDSS-DR12
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u = 14.98 | g = 14.12 | r = 12.10 | i = 11.55 | z = 7.43 | u - g = 0.87 | r - i = 0.55 |
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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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4 |
Otero, Sebastian Alberto
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2026-01-22 15:13 UTC |
Type, period and epoch from AAVSO data (observers VFK, RRIA, DAND, BXT, BFO, GZN, ADI, MTH, PPS, SHS and others). |
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3 |
Fernig, Leo
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2022-02-18 22:10 UTC |
Discoverer updated from 1907AnHar..55....1C page 9 |
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2 |
Admin, VSX
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2010-01-05 04:43 UTC |
Position updated from the GCVS version of November 2009. |
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1 |
Admin, VSX
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2005-12-18 01:33 UTC |
Initial upload. |
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