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Name
  BD Pav  
AAVSO UID
000-BCW-661 (8517 observations)  
Constellation
Pavo Sequence
J2000.0
18 43 11.92 -57 30 44.9  (280.79967 -57.51247) Search nearby
B1950.0 18 38 54.70 -57 33 42.1
Proper motion
RA: 22.7 +/- 8.8 mas/yDec: -27.7 +/- 13.4 mas/ySource: UCAC4
Galactic coord. 338.182 -21.558
Other names

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AAVSO 1834-57 Downes BD Pav HV 10031
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Variability type
UG+EW/WD
Spectral type pec(UG)+M5/8V
Mag. range
12.4 - 16.21 B
Discoverer C. D. Boyd
Epoch
22 Jun 1980 (HJD 2444412.676) Ephemeris
Outburst --
Period 0.1793015 d  (4.30324 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Epoch given is for the eclipse. Quiescence outside eclipse B= 15.4. V-range in AAVSO database is also 12.4 - 15.4.
2 GCVS Team Only one outburst was observed [H.Shapley, E.H.Boyce, C.D.Boyd, HA 90, N9, 239-251, 1939.]. Brightness flickering. Eclipses according to the elements Min I = 2444412.676 + 0.1793015d*E, Delta(m) ~0.5m [H.Barwig, R.Schoembs, IBVS N2031, 1981.]. Outside outburst, 15.40m - 16.21m.
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References
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1 R.A.Downes, 2001, PASP 113, 764 (2006 archival) 2005JAD....11....2D
2 R.A.Downes, 2001, PASP 113, 764 2001PASP..113..764D
3 H.Barwig, R.Schoembs, AsAp 124, 287, 1983. 1983A&A...124..287B
4 S.Wyckoff, P.A.Wehinger, PASP 90, 557, 1978. 1978PASP...90..557W
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Images
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Supporting Documents
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Campaigns/Programs
 HST/COS CV program
Revision History
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4 Otero, Sebastian Alberto 2011-03-14 16:15 UTC Primary record creation. Orbital period from GCVS remarks. Spectral type from Ritter and Kolb (2010, 2003A&A...404..301R). UCAC3/2MASS position.
3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 15:52 UTC Discoverer added.
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.