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Name
  NX Sgr  
AAVSO UID
000-BFD-825 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 50 34.41 -23 36 08.2  (282.64337 -23.60228) Search nearby
B1950.0 18 47 32.13 -23 39 41.2
Proper motion
RA: -2.6 +/- 2.4 mas/yDec: 2.2 +/- 2.3 mas/ySource: UCAC4
Galactic coord. 11.597 -10.340
Other names

(Internal only)
2MASS J18503440-2336081 ASAS J185034-2336.3 GSC 06860-01166
HV 4460 IRAS 18475-2339  
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Variability type
M
Spectral type --
Mag. range
11.3 - <16.1 V
Discoverer --
Epoch
19 Sep 1929 (HJD 2425874.00) Ephemeris
Outburst --
Period 159.09 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto J-K= 1.46. Two miras 11" apart, NY and NX Sgr. NX Sgr is the brighter one as it has been shown in the original reports (12.5 - 16.0 p in 1928BHarO.858...13W) and the currently available photometry (V= 11.3 - <16.1). In 1953AnLei..20..321Vm van Houten only studies the brighter variable (12.7 - <14.1 p, P= 159 d. but erroneously identifies it as NY Sgr (which is the fainter one, with 13.7 - 16.5 p in 1928BHarO.858...13W and V= 12.4 - <16.1 in the currently available photometry) instead of NX Sgr. The ASAS-3 light curve includes light from both stars and is also contaminated by 2MASS J18503492-2336226 (V= 15.2; sep. 16") and 2MASS J8503307-2336208 (V= 13.8; sep. 22"). Range has been corrected.
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References
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1 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
2 van Houten, C. J., 1953, Discussion of ninety variable stars in the
southern hemisphere		 1953AnLei..20..321V
3 I.E.Woods, HB N858, 1928. 1928BHarO.858...13W
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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 = 8.38H = 7.47K = 6.92J - K = 1.46
AllWISE W1 = 5.62W2 = 4.88W3 = 5.13W4 = 4.52W1 - W2 = 0.74W3 - W4 = 0.61
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2016-04-29 11:19 UTC Phase plot with ASAS-3 data disentangling NX and NY Sgr.
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Revision History
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3 Otero, Sebastian Alberto 2016-04-29 11:19 UTC Type, period and maximum magnitude from ASAS-3 data. Minimum magnitude derived from UCAC3. Epoch from 1953AnLei..20..321V. UCAC4 position.
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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