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Latest Details
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Name
  SY Mus  
AAVSO UID
000-BCW-457 (5297 observations)  
Constellation
Musca Sequence
J2000.0
11 32 10.00 -65 25 11.5  (173.04167 -65.41986) Search nearby
B1950.0 11 29 54.56 -65 08 37.4
Proper motion
RA: 0.651 +/- 2.301 mas/yDec: 3.035 +/- 1.408 mas/ySource: Gaia DR1
Galactic coord. 294.807 -3.806
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J11320998-6525114 AAVSO 1127-64A AN 118.1914
ASAS J113210-6525.2 ASASSN-V J113209.96-652510.5 HD 100336
HV 3376 Hen 3-667 IRAS 11299-6508
SPH 127 SS73 32  
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Variability type
ZAND+SR
Spectral type M2e-M4.5IIIe+WD
Mag. range
10.2 - 12.7 V
Discoverer Annie J. Cannon (1914)
Epoch
13 Sep 1958 (HJD 2436460.0) Ephemeris
Outburst --
Period 624.5 d
Rise/eclipse dur. --
Remarks
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1 2013arXiv1312.6063G Pulsation period 56d.
2 Otero, Sebastian Alberto Orbital variability with an amplitude of 0.8 mag. SR variability with per= 56.55 d.
3 GCVS Team Min II 11.2; Min I - Min II = 170d. Elements for Min I of quasiperiodic variations observed during JD2434910 - 41510 are given. Radio source.
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References
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1 M. Gromadzki, J. Mikolajewska, I. Soszynski, 2013, arXiv:1312.6063
[astro-ph.SR]
2013arXiv1312.6063G
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 Pereira, C. B., et al., 1999, The eclipse of the symbiotic star SY MUSCAE 1999A&A...344..607P
4 F.M.Bateson, A.F.Jones, B.Menzies, NZAS Publ N3 (C75), 40, 1975. --
5 Guthnick, P.; et al., 1925, Benennung von neu entdeckten veränderlichen
Sternen
1925AN....224..129G
External Links
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 5.92H = 4.99K = 4.59J - K = 1.33
AllWISE W1 = 4.47W2 = 4.26W3 = 4.27W4 = 3.79W1 - W2 = 0.21W3 - W4 = 0.47
APASS-DR9 B = 12.03V = 10.80g' = 11.53r' = 10.08B - V = 1.23
Images
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Supporting Documents
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Campaigns/Programs
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Revision History
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4 Fernig, Leo 2023-07-05 21:37 UTC Discoverer updated from 1925AN....224..129G page 140.
3 Otero, Sebastian Alberto 2013-03-14 01:42 UTC Periods from 1999A&A...344..607P and ASAS-3 data. Spectral type from Skiff (2013). UCAC4 position.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.