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Details for Revision 4
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Name
  N Sgr 2026 No. 3  
AAVSO UID
000-BQQ-461 (978 observations)  
Constellation
Sagittarius Sequence
J2000.0
18 25 12.75 -22 25 29.5  (276.30313 -22.42486) Search nearby
B1950.0 18 22 11.58 -22 27 13.0
Galactic coord. 10.047 -4.589
Other names

(Internal only)
N Sgr 26 No. 3 Nova Sgr 2026 No. 3 TCP J18251276-2225293
VVV J182512.75-222529.55    
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Variability type
N
Spectral type --
Mag. range
8.6 - 21.6: V
Discoverer Katie Barnhart, Kirill Sokolovsky, Darien Perla, Pragati Acharya, John Worley, Vallia Antoniou, Elias Aydi (NMW-TexasTech transient survey)
Epoch
19 Aug 2026 (HJD 2461272.3)
Outburst 2026
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto VSP Note: 19.8 Vmag. star 1.8" to the SSW, 19.9 Vmag. star 3.5" to the W, 19.5 Vmag. star 3.8" to the WNW, 19.1 Vmag. star 3.9" to the NE, 19.2 Vmag. star 4.9" to the W, 18.2 Vmag. star 6.2" to the SE, 17.0 Vmag. star 7.2" to the SW, and 14.5 Vmag. star 7.4" to the SE.
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References
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1 K. Taguchi, 2026, ATel #17989 2026ATel17989....1T
2 Barnhart, K.; et al., 2026, CBET No. 5724 --
3 CBAT "Transient Object Followup Reports", 2026 --
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Supporting Documents
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Revision History
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6 Otero, Sebastian Alberto 2026-08-22 02:31 UTC Primary name from CBET No. 5724.
5 Otero, Sebastian Alberto 2026-08-21 00:09 UTC Maximum magnitude and outburst peak epoch from AAVSO data.
4 Otero, Sebastian Alberto 2026-08-20 14:14 UTC Maximum magnitude and outburst peak epoch from AAVSO data.
3 Otero, Sebastian Alberto 2026-08-20 02:34 UTC Reference corrected.
2 Otero, Sebastian Alberto 2026-08-20 01:24 UTC Type from 2026ATel17989....1I. Primary name changed.
1 Otero, Sebastian Alberto 2026-08-19 22:51 UTC Approximate minimum magnitude derived from Pan-STARRS1 images. VVV position.