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Name
  V0364 Lib  
AAVSO UID
000-BJP-099 (5891 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 ASASSN-V J150946.52-214745.6 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 WISEA J150946.58-214746.4
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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 25–30 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 11:50 UTC Discoverers added from vsnet-alert 11167.
5 Admin, VSX 2015-11-20 03:09 UTC Update from [2015IBVS.6151....1K].
4 Otero, Sebastian Alberto 2015-06-02 19:49 UTC Type and period from ASAS-3 data. Spectral type from CBET 1774. UCAC4 position.
3 Admin, VSX 2011-03-18 03:37 UTC Update from [2011arXiv1103.3074W].
2 Admin, VSX 2009-04-09 01:02 UTC Update from [A. Henden, 2009, vsnet-alert 11172].
1 Admin, VSX 2009-04-07 00:43 UTC Initial upload.