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Name
  HL Tau  
AAVSO UID
000-BBH-099 (1623 observations)  
Constellation
Taurus Sequence
J2000.0
04 31 38.50 +18 13 58.0  (67.91042 +18.23278) Search nearby
B1950.0 04 28 44.50 +18 07 35.2
Galactic coord. 178.859 -19.972
Other names

(Internal only)
2MASS J04313843+1813576 2XMM J043138.4+181357 AAVSO 0425+18B
EPIC 210690913 GSC 01269-01065 HARO 6-14
HBC 49 UCAC4 542-009387  
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Variability type
INT
Spectral type K7:e(T)-M2:e(T)
Mag. range
15.1 - 17.2: B
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 GCVS Team VB B (A = XZ Tau; B 23", 273deg). Connected with a small bright arc-shaped nebula.
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References
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1 Valenti, J. A.; Fallon, A. A.; Johns-Krull, C. M., 2003, An IUE Atlas of
Pre-Main-Sequence Stars. III. Co-added Final Archive Spectra from the
Long-Wavelength Cameras
2003ApJS..147..305V
2 Herbst, W.; Shevchenko, V. S., 1999, A Photometric Catalog of Herbig AE/BE
Stars and Discussion of the Nature and Cause of the Variations of UX
Orionis Stars
1999AJ....118.1043H
3 A.E.Rydgren, J.T.Schmelz, D.S. Zak, F.J.Vrba, Naval Obs Publ, ser.II, 25,
part I, 1984.
--
4 G.S.Badalyan, L.K.Erastova, Soobshch. Byurakan. Obs. N40, 35, 1969. --
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2020-08-15 02:55 UTC Range from 1999AJ....118.1043H and AAVSO data. Type from 2003ApJS..147..305V. Gaia DR2 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.