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Name
  IM Tau  
AAVSO UID
000-BBG-686 (178 observations)  
Constellation
Taurus Sequence
J2000.0
04 10 49.86 +26 28 51.4  (62.70775 +26.48094) Search nearby
B1950.0 04 07 46.86 +26 21 07.7
Proper motion
RA: -30.912 +/- 0.044 mas/yDec: -35.022 +/- 0.025 mas/ySource: Gaia DR1
Galactic coord. 168.960 -18.080
Other names

(Internal only)
44 Tau AAVSO 0404+26 BD+26 686
HD 26322 HIP 19513 HR 1287
SAO 76485    
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Variability type
DSCT
Spectral type F2IV
Mag. range
5.33 - 5.46 V
Discoverer --
Epoch
18 Mar 1992 (HJD 2448700.17) Ephemeris
Outburst --
Period 0.14497 d  (3.479 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto 15 frequencies found. Other periods are: 0.14273, 0.10968, 0.08681, 0.11160 and 0.10459 d. The period of 0.1266 d. reported in 1977A&A....54..309H and also present in Hipparcos (0.128195 d.) is not present in the 2000-2006 dataset in 2010A&A...509A..90L.
2 Otero, Sebastian Alberto Multiperiodic. Other periods found in Hipparcos data are 0.1297859, 0.1531830 and 0.1069526 d.
3 GCVS Team P var. Max = 2439792.398 + 0.144969d*E (JD2439790 - 43130) [S.K.Gupta, Uttar Pradesh Obs Repprint N147, 1979.]; P1 = 0.109016d, P1/P0 = 0.752. Since JD2444230 - see Table.
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References
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1 A δ Scuti star in the post-MS contraction phase: 44 Tauri 2010A&A...509A..90L
2 The HIPPARCOS Catalogue 1997HIP...C......0E
3 O.Tuemer, A.Y.Ertan, S.Evren, Z.Tunca, C.Ibanoglu, IBVS N2028, 1981. 1981IBVS.2028....1T
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 = 4.88H = 4.68K = 4.48J - K = 0.40
AllWISE W1 = 4.51W2 = 4.24W3 = 4.54W4 = 4.47W1 - W2 = 0.27W3 - W4 = 0.07
Images
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Supporting Documents
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2 Phase plot Otero, Sebastian Alberto 2012-03-14 21:04 UTC Phase plot with Hipparcos data folded with the main period found in 2010A&A...509A..90L.
1 Phase plot Otero, Sebastian Alberto 2012-03-14 20:48 UTC Phase plot with Hipparcos data.
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Revision History
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4 Otero, Sebastian Alberto 2012-03-14 21:04 UTC Spectral type and periods from 2010A&A...509A..90L. Epoch from Hipparcos.
3 Otero, Sebastian Alberto 2012-03-14 20:48 UTC Periods, epohc and range from Hipparcos and GCPD data.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.