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Latest Details
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Name
  ASAS J183048-1447.5  
AAVSO UID
--  
Constellation
Scutum Sequence
J2000.0
18 30 47.53 -14 47 27.8  (277.69804 -14.79106) Search nearby
B1950.0 18 27 56.29 -14 49 35.7
Proper motion
RA: -0.2 +/- 1.7 mas/yDec: -3.8 +/- 1.5 mas/ySource: UCAC4
Galactic coord. 17.442 -2.235
Other names

(Internal only)
2MASS J18304753-1447279 ASAS 183048-1447.5 ASASSN-V J183047.57-144728.5
BD-14 5085 GDS_J1830475-144727 GSC 05703-02382
HD 170582 PPM 719384 TYC 5703-2382-1
[LH92] 16    
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Variability type
DPV/ELL
Spectral type A3III:
Mag. range
9.60 - 9.86 V
Discoverer --
Epoch
02 Mar 2001 (HJD 2451970.842) Ephemeris
Outburst --
Period 16.871 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Superperiod 537 d. Period ratio 31.83. J-K= 0.33.
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References
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1 A Class of Interacting Binaries: Double Periodic Variables 2010ASPC..435..283M
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1922AnHar..97.....C
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 = 8.40H = 8.24K = 8.06J - K = 0.33
AllWISE W1 = 7.74W2 = 7.70W3 = 7.59W4 = 7.15W1 - W2 = 0.04W3 - W4 = 0.44
APASS-DR9 B = 10.17V = 9.71g' = 10.27r' = 9.61i' = 9.44B - V = 0.46
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 30 47.53 -14 47 27.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2011-12-06 00:58 UTC Orbital period, epoch and range from ASAS-3 data. Type and superperiod from 2010ASPC..435..283M.
2 Admin, VSX 2007-04-04 10:10 UTC Position and spectral type from Brian Skiff's MKTypes.dat [http://vizier.u-strasbg.fr/viz-bin/Cat?III/233B].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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