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Name
  R Sct  
AAVSO UID
000-BCD-304 (197176 observations)  
Constellation
Scutum Sequence
J2000.0
18 47 28.95 -05 42 18.5  (281.87063 -5.70514) Search nearby
B1950.0 18 44 48.80 -05 45 37.3
Proper motion
RA: -44.73 +/- 0.53 mas/yDec: -32.78 +/- 0.37 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 27.403 -1.722
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1842-05 ASAS J184728-0542.3 ASASSN-V J184729.04-054218.3
ASASSN-V J184731.85-054251.2 ASASSN-V J184732.62-054149.9 BD-05 4760
GDS_J1847265-054242 GDS_J1847276-054136 GDS_J1847279-054309
GDS_J1847284-054131 GDS_J1847301-054109 GDS_J1847304-054256
GDS_J1847309-054304 GDS_J1847311-054232 GDS_J1847321-054201
GDS_J1847329-054217 HD 173819 HIP 92202
HR 7066 IRC -10461 RAFGL 5296S
SAO 142620    
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Variability type
RVA
Spectral type G0Iae-K2p(M3)Ibe
Mag. range
4.2 - 8.6 V
Discoverer Edward Pigott (1795)
Epoch
24 Sep 1981 (HJD 2444872.0) Ephemeris
Outburst --
Period 144.1 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team [Fe/H] = -1. P var. Min I = 2377165 + 142.8d*E (JD2377160 - 9820); Min I = 2384885 + 142.6d*E (JD2384890 - 8170); Min I = 2394451 + 141.4d*E (JD2394450 - 8500); Min I = 2398777 + 142.4d*E (JD2398770 - 2404320); Min I = 2404627 + 137.4d*E (JD2404600 - 6410); Min I = 2406561 + 142.7d*E (JD2406560 - 9065); Min I = 2409742 + 143.6d*E (JD2409730 - 12700); Min I = 2412755 + 141.5d*E (JD2412750 - 16720); Min I = 2417161 + 139.5d*E (JD2417150 - 20790); Min I = 2421083 + 143.4d*E (JD2421050 - 25170) [K.Mora, Bud Abh 1, N3, 1934.]; Min I = 2429478 + 142.8d*E (JD2429000 - 30650) [P.Ahnert, MVS N11, 1942.]; Min I = 2432078 + 140.05d*E (JD2432000 - 42240) [J.Bauer, BAV-R 22, N1/2, 5, 1973.]; Min I = 2442737 + 152.5d*E (JD2442550 - 43050); Min I = 2443315 + 138.5d*E (JD2443050 - 44150) [General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N. Kholopov et al.]; since JD2444150 - see Table. Light curve drawings [K.Mora, Bud Abh 1, N3, 1934., M.W.Mayall, PA 59, 383, 1951., J.Bauer, BAV-R 22, N3/4, 29, 1973.]. Spectrum description [S.B.Howell, B.W.Bopp, P.V.Noah, PASP 95, 762, 1983., J.A.Cardelli, AJ 90, N8, 1494, 1985.].
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References
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1 T. Jayasinghe, K. Z. Stanek, C. Kochanek, et al., 2019 (in preparation) --
2 M. Hackstein, Ch. Fein, M. Haas et al., 2015, AN 336, 590 2015AN....336..590H
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
5 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.		 --
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 = 2.82H = 2.37K = 2.16J - K = 0.67
AllWISE W3 = 0.95W4 = 0.20W3 - W4 = 0.75
Images
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Supporting Documents
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Campaigns/Programs
 Binocular program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2023-06-14 21:33 UTC Period from AAVSO data.
3 Fernig, Leo 2022-04-22 13:34 UTC Discoverer updated from 1907AnHar..55....1C page 23
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.

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