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Name
DO Eri
AAVSO UID
000-BDQ-605 (No observations)
Constellation
J2000.0
B1950.0
03 52 54.98 -12 14 38.9
Proper motion
RA: -83.869 +/- 0.040 mas/y Dec: -23.984 +/- 0.027 mas/y Source: Gaia DR1
Galactic coord.
202.973 -44.470
Other names(Internal only)
BD-12 752
HD 24712
HIP 18339
HR 1217
SAO 149251
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Variability type
roAp
Spectral type
A5p(Sr-Cr-Eu)
Mag. range
5.97 - 6 V
Discoverer
--
Epoch
Outburst
--
Period
12.458 d
Rise/eclipse dur.
50% (6.2 d)
Remarks
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1
GCVS Team
Epoch of Min is given. Oscillations with P ~6.14 Min, 7 different frequencies have been found. Beat phenomenon, PB = 12.25d +-0.47d. Max of the oscillation amplitude almost coincides with Max of the magnetic field, the amplitude varies with Prot. Combined amplitude of oscillations 0.062m B.
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References
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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 = 5.43 H = 5.31 K = 5.26 J - K = 0.17
AllWISE
W2 = 5.14 W3 = 5.29 W4 = 5.21 W3 - W4 = 0.08
SDSS-DR12
u = 35.51 g = 13.33 r = 10.17 i = 10.29 z = 6.64 u - g = 22.18 r - i = -0.12
Images
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Supporting Documents
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Revision History
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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.
