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Name
  NP Sgr  
AAVSO UID
000-BFD-820 (8 observations)  
Constellation
Sagittarius Sequence
J2000.0
18 47 17.90 -20 21 26.3  (281.82458 -20.35731) Search nearby
B1950.0 18 44 19.83 -20 24 45.1
Proper motion
RA: 3.1 +/- 4.3 mas/yDec: -4.4 +/- 4.4 mas/ySource: UCAC4
Galactic coord. 14.230 -8.254
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J18471790-2021262 ASAS J184718-2021.4 ASASSN-V J184717.96-202126.4
GSC 06288-01721 HV 4172 IRAS 18443-2024
IRC -20517    
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Variability type
SRB
Spectral type M5
Mag. range
11.8 - 13.2 V
Discoverer --
Epoch
22 Apr 2009 (HJD 2454944) Ephemeris
Outburst --
Period 316 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Other period 146.8 d.
2 GCVS Team The cycles 100 - 300d are possible.
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 D.Hoffleit, AJ 66, 188, 1961. 1961AJ.....66..188H
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 = 4.17H = 3.03K = 2.59J - K = 1.58
AllWISE W3 = 1.75W4 = 1.22W3 - W4 = 0.53
APASS-DR9 B = 13.96V = 11.96g' = 12.92r' = 10.87i' = 8.58B - V = 2.00
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2014-02-08 00:47 UTC Primary record creation. Type, period, epoch and range from ASAS-3 data. 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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