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Name
  OY Ara  
AAVSO UID
000-BDG-220 (No observations)  
Constellation
Ara Sequence
J2000.0
16 40 50.41 -52 25 50.7  (250.21004 -52.43075) Search nearby
B1950.0 16 36 55.35 -52 20 03.3
Galactic coord. 333.902 -3.937
Other names

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AN 98.1910 Downes OY Ara HD 149990
HV 3305    
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Variability type
NA+E
Spectral type pec(NOVA)
Mag. range
6.0 p - 18.6 V
Discoverer W. Fleming
Epoch
05 Apr 1910 (HJD 2418767.00000) Ephemeris
Outburst 1910
Period 0.155466 d  (3.7312 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto SW Sextantis star according to Ritter and Kolb (2003A&A...404..301R).
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References
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1 Vogt, N.; Tappert, C.; Puebla, E. C.; et al., 2018, Life after eruption -
VII. A search for stunted outbursts in 13 post-novae
2018MNRAS.478.5427V
2 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties
2018A&A...616A...1G
3 R.A.Downes, 2001, PASP 113, 764 (2006 archival) 2005JAD....11....2D
4 D.W. Hoard, The Big List of SW Sextantis Stars 2003AJ....126.2473H
5 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
6 A.D.Walker, HA 84, N7, 1923. 1933AnHar..84..189W
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Images
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Supporting Documents
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Revision History
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6 Otero, Sebastian Alberto 2022-03-17 20:31 UTC Minimum magnitude from 2018MNRAS.478.5427V.
5 Otero, Sebastian Alberto 2020-05-15 00:19 UTC Gaia DR2 position.
4 Otero, Sebastian Alberto 2011-01-06 00:16 UTC Primary record creation. Orbital period and position from Downes (2001).
3 Admin, VSX 2010-01-05 04:43 UTC Update from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 19:52 UTC Discoverer added.
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.