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Name
  V0364 Lib  
AAVSO UID
000-BJP-099 (5872 observations)  
Constellation
Libra Sequence
J2000.0
15 09 46.57 -21 47 46.4  (227.44404 -21.79622) Search nearby
B1950.0 15 06 53.34 -21 36 23.6
Proper motion
RA: 8.508 +/- 0.875 mas/yDec: -5.578 +/- 0.493 mas/ySource: Gaia DR1
Galactic coord. 340.750 +30.732
Other names

(Internal only)
1SWASP J150946.56-214746.5 1SWXRT J150946.5-214746 1SXPS J150946.5-214745
2MASS J15094657-2147462 APOP 44486+0000548 ASAS 150946-2147.7
ASAS J150946-2147.7 AllWISE J150946.58-214746.4 CMC15 J150946.5-214746
CPD-21 5892 CSS_J150946.7-214747 EPIC 249495272
GALEX J150946.6-214746 GSC 06181-00766 NSVS 16197617
NSVS 18965935 PPMX J150946.5-214746 SMSS J150946.58-214746.4
SSS_J150946.6-214746 TYC 6181-766-1 UCAC2 23149540
UCAC4 342-072274 WISE J150946.58-214746.3  
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Variability type
UG+ELL
Spectral type A+em
Mag. range
10.3 - 11.5 V
Discoverer Grzegorz Pojmanski, Dorota Szczygiel, Bogumil Pilecki (ASAS-3)
Epoch
24 May 2006 (HJD 2453880.235) Ephemeris
Outburst --
Period 0.70243 d  (16.858 h)
Rise/eclipse dur. --
Remarks
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1 Schmeer, Patrick Gaia DR2 parallax 1.7708 0.0542 mas (distance 556 17 pc). In outburst 2006 July 2530 according to SuperWASP data. Two outbursts were recorded between 2013 Dec. 26 and 2019 July 18 by the ASAS-SN Sky Patrol: 2017 March 19 April 9 (Vmag. 10.4) and 2019 July 14 ... (brighter than gmag 11.2).
2 Otero, Sebastian Alberto Suspected black hole X-ray binary (2009ATel.2030....1U). Ellipsoidal modulation with amplitude 0.06 mag (V).
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References
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1 Kimura, M.; Kato, T.; Maehara, H.; et al., 2018, On the nature of
long-period dwarf novae with rare and low-amplitude outbursts
2018PASJ...70...78K
2 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
3 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2015, IBVS 6151
2015IBVS.6151....1K
4 P. Wils, 2011, arXiv:1103.3074v1 [astro-ph.SR] 2011arXiv1103.3074W
5 O.W. Butters et al., 2010, A&A 520, L10 (SuperWASP data) 2010A&A...520L..10B
6 G. Pojmanski, D. Szczygiel, B. Pilecki, 2009, CBET 1774 2009CBET.1774....1P
7 Uemura, M.; Takahashi, H.; Arai, A.; et al., 2009, X-ray and optical
follow-up of ASAS 150946-2147.7
2009ATel.2030....1U
8 A. Henden, 2009, vsnet-alert 11172 --
9 G. Pojmanski et al., 2009, vsnet-alert 11167 --
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 = 10.54H = 10.36K = 10.29J - K = 0.24
AllWISE W1 = 10.24W2 = 10.22W3 = 10.16W1 - W2 = 0.02
APASS-DR9 B = 11.99V = 11.47g' = 11.80r' = 11.38i' = 11.36B - V = 0.52
Images
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Supporting Documents
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Revision History
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6 Schmeer, Patrick 2018-07-17 07:50 UTC Discoverers added from vsnet-alert 11167.
5 Admin, VSX 2015-11-19 22:09 UTC Update from [2015IBVS.6151....1K].
4 Otero, Sebastian Alberto 2015-06-02 15:49 UTC Type and period from ASAS-3 data. Spectral type from CBET 1774. UCAC4 position.
3 Admin, VSX 2011-03-17 23:37 UTC Update from [2011arXiv1103.3074W].
2 Admin, VSX 2009-04-08 21:02 UTC Update from [A. Henden, 2009, vsnet-alert 11172].
1 Admin, VSX 2009-04-06 20:43 UTC Initial upload.