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Latest Details
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Name
  Z Sct  
AAVSO UID
000-BCD-023 (1096 observations)  
Constellation
Scutum Sequence
J2000.0
18 42 57.28 -05 49 15.2  (280.73867 -5.82089) Search nearby
B1950.0 18 40 16.83 -05 52 16.1
Proper motion
RA: -0.65 +/- 1.35 mas/yDec: -1.32 +/- 1.04 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 26.786 -0.772
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1837-05 AN 61.1907 ASAS J184257-0549.3
BD-05 4734 GDS_J1842572-054914 HD 172902
HIP 91785 HV 2915 IOMC 5125000037
SAO 142532    
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Variability type
DCEP
Spectral type F8-G4
Mag. range
9.05 - 10.16 V
Discoverer Annie J. Cannon (1907)
Epoch
12 Feb 1958 (HJD 2436247.16) Ephemeris
Outburst --
Period 12.901325 d
Rise/eclipse dur. 40%  (5.1605 d)
Remarks
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1 GCVS Team [A/H] = 0.3.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
2 J.S. Nichols et al., 2010, ApJS 188, 473 (online data) 2010ApJS..188..473N
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 T.J.Moffett, T.G.Barnes III, ApJ Suppl 55, 389, 1984. 1984ApJS...55..389M
5 D.O'Connell, Riv Publ 2, N4, 1948. --
6 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1930BHarO.874...19C
7 Dunér, N. C.; Hartwig, E.; Muller, G., 1907, Benennung von neu entdeckten
veränderlichen Sternen
1907AN....176..181.
External Links
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Location    Go   
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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 = 7.17H = 6.68K = 6.46J - K = 0.71
AllWISE W1 = 6.07W2 = 6.25W3 = 6.33W4 = 6.54W1 - W2 = -0.18W3 - W4 = -0.20
APASS-DR9 B = 11.25V = 10.03i' = 9.02B - V = 1.22
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 42 57.28 -05 49 15.2 (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 Fernig, Leo 2022-09-21 20:29 UTC Discoverer updated from 1907AN....176..181. p190
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.