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Latest Details
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Name
  ASAS J181215-2029.1  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 12 14.46 -20 29 00.6  (273.06027 -20.48350) Search nearby
B1950.0 18 09 15.81 -20 29 47.6
Proper motion
RA: -3.1 +/- 1.8 mas/yDec: 0.2 +/- 1.6 mas/ySource: UCAC4
Galactic coord. 10.338 -1.013
Other names

(Internal only)
2MASS J18121447-2029008 ASAS 181215-2029.1 ASASSN-V J181214.55-202901.6
GSC 06272-00079 ZTF J181214.46-202900.6  
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Variability type
DCEPS
Spectral type --
Mag. range
11.62 - 11.81 V
Discoverer --
Epoch
17 Jun 2002 (HJD 2452443.0000) Ephemeris
Outburst --
Period 3.6671 d
Rise/eclipse dur. 45%  (40 h)
Remarks
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1 Otero, Sebastian Alberto J-K= 0.97; B.V= 1.7.
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References
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1 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
3 Mel'nik, A. M.; Rautiainen, P.; Berdnikov, L. N.; et al., 2015, Classical
Cepheids in the Galactic outer ring R_1R_2'
2015AN....336...70M
4 P. Pietrukowicz, W.A. Dziembowski, P. Mroz et al., 2013, arXiv:1311.5894
[astro-ph.GA]
2013arXiv1311.5894P
5 Berdnikov, L. N.; et al., 2009, Photometric observations of Cepheids from
the ASAS-3 catalog: Photoelectric BV I c observations of 46 low-amplitude
Cepheids
2009PAZh...35..348B
6 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
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 = 7.76H = 7.08K = 6.79J - K = 0.97
AllWISE W1 = 6.15W2 = 6.46W3 = 6.45W4 = 6.00W1 - W2 = -0.31W3 - W4 = 0.44
APASS-DR9 B = 13.43V = 11.77g' = 12.62r' = 11.03i' = 10.14B - V = 1.66
Images
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Supporting Documents
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Revision History
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5 Otero, Sebastian Alberto 2021-10-26 06:57 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
4 Otero, Sebastian Alberto 2016-10-01 05:46 UTC Type from 2015AN....336...70M. Epoch and rise duration from ASAS-3 data. Range from 2009PAZh...35..348B.
3 Otero, Sebastian Alberto 2013-11-29 08:41 UTC Type, period and epoch from ASAS-3 data. Range from ASAS-3, APASS and 2009PAZh...35..348B. UCAC4 position.
2 Admin, VSX 2013-11-27 03:18 UTC Update from [2013arXiv1311.5894P].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.