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Name
  NADA-V174  
AAVSO UID
000-BNL-326 (No observations)  
Constellation
Scorpius Sequence
J2000.0
17 05 58.23 -34 26 26.8  (256.49262 -34.44078) Search nearby
B1950.0 17 02 40.09 -34 22 25.7
Galactic coord. 350.717 +3.904
Other names

(Internal only)
2MASS J17055823-3426268 CMC15 J170558.2-342627 DENIS J170558.2-342627
GSC2.3 S8GJ010142 IRAS 17026-3422 MSX6C G350.7172+03.9033
SMSS J170558.19-342627.0 UCAC4 278-111530 USNO-A2.0 0525-26431502
USNO-B1.0 0555-0494376 VVV J170558.22-342626.83 WISE J170558.23-342626.9
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Variability type
PPN
Spectral type --
Mag. range
13.47 - 13.96 V
Discoverer Adam Nowak
Epoch
22 Sep 2017 (HJD 2458018.5) Ephemeris
Outburst --
Period 124 d
Rise/eclipse dur. --
Remarks
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1 Nowak, Adam ASAS-SN magnitudes contaminated by several nearby stars. Range has been corrected. Other period is 12.4 days. W1= 10.37, W2= 9.63, W3= 5.53, W4= 1.91. J-K= 0.60, W2-W3= 4.1. Possible central star of unknown protoplanetary nebula.
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References
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1 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0		 2017PASP..129j4502K
External Links
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Images
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Supporting Documents
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4 Image of nebula Nowak, Adam 2020-03-12 03:26 UTC Probable nebula image from DECaPS DR1.
3 Phase plot (shorter period) Nowak, Adam 2020-03-11 03:25 UTC Phase plot with ASAS-SN data (shorter period)
2 JD plot Nowak, Adam 2020-03-11 02:59 UTC JD plot with ASAS-SN data.
1 Phase plot Nowak, Adam 2020-03-11 02:59 UTC Phase plot with ASAS-SN data.
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Revision History
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1 Nowak, Adam 2020-03-12 03:30 UTC Gaia DR2 position.

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