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Latest Details
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Name
  alf Eri  
AAVSO UID
000-BFQ-084 (2 observations)  
Constellation
Eridanus Sequence
J2000.0
01 37 42.85 -57 14 12.3  (24.42854 -57.23675) Search nearby
B1950.0 01 35 51.35 -57 29 24.6
Proper motion
RA: 87.00 +/- 0.58 mas/yDec: -38.24 +/- 0.50 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 290.841 -58.792
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
ALS 16724 Achernar CD-57 316
CPD-57 334 DH 10144 GSC 08478-01395
HD 10144 HIP 7588 HR 472
IRAS 01358-5729 NSV 15353 PPM 331199
SAO 232481    
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Variability type
BE
Spectral type B4IVe
Mag. range
0.44 - 0.54 V
Discoverer --
Epoch
--
Outburst --
Period 1.263 d
Rise/eclipse dur. --
Remarks
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References
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1 Rivinius, Th.; et al., 2016, The Variable Line Width of Achernar 2016arXiv160203452R
2 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
3 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
4 Balona, L.A., Engelbrecht, C.A., & Marang, F. 1987, MN, 227, No. 1, 123. 1987MNRAS.227..123B
5 L.A.Balona, MemRAS 84, No.2, 101, 1977. 1977MmRAS..84..101B
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 = 0.81H = 0.86K = 0.88J - K = -0.07
AllWISE W3 = 1.07W4 = 0.97W3 - W4 = 0.10
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2022-12-29 17:23 UTC Range derived from Hipparcos and GCPD data.
3 Billiaert, Bruno 2016-02-20 18:10 UTC Spectral type from 2016arXiv160203452R.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2006-08-20 03:12 UTC Initial upload.