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Latest Details
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Name
  V4865 Sgr  
AAVSO UID
000-BFK-112 (10 observations)  
Constellation
Sagittarius Sequence
J2000.0
17 45 28.21 -28 54 32.8  (266.36754 -28.90911) Search nearby
B1950.0 17 42 17.68 -28 53 22.4
Galactic coord. 0.006 +0.042
Other names

(Internal only)
UGPS J174528.21-285432.0 VVV J174528.21-285432.81 WISE J174528.26-285431.7
WISEA J174528.25-285430.3 [GMC2001] 17-95  
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Variability type
M
Spectral type --
Mag. range
10 - 13 K
Discoverer --
Epoch
17 Mar 2022 (HJD 2459656) Ephemeris
Outburst --
Period 386 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto VSP Note: Invisible in the optical. 16.2 Vmag. star 2.3" to the W.
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References
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1 Sanders, J. L.; et al., 2024, The epoch of the Milky Way's bar formation:
dynamical modelling of Mira variables in the nuclear stellar disc
2024MNRAS.530.2972S
2 Nogueras-Lara, F.; et al., 2021, GALACTICNUCLEUS: A high-angular-resolution
JHKs imaging survey of the Galactic centre. IV. Extinction maps and
de-reddened photometry
2021A&A...653A.133N
3 Mainzer, A.; et al., 2014, Initial Performance of the NEOWISE Reactivation
Mission
2014ApJ...792...30M
4 Matsunaga, N.; et al., 2009, A near-infrared survey of Miras and the
distance to the Galactic Centre
2009MNRAS.399.1709M
5 I.S. Glass, S. Matsumoto, B.S. Carter, K. Sekiguchi, MN 321, No. 1, 77,
2001. Corrections: MN 336, No. 4, 1390, 2002.
2001MNRAS.321...77G
External Links
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Images
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Supporting Documents
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2 Light curve 2014-2024 Robles, Jose 2026-01-24 02:18 UTC NEOWISE W1 light curve.
1 Phase plot P=386d Robles, Jose 2026-01-24 02:09 UTC NEOWISE W1 phase plot. Period from 2024MNRAS.530.2972S. Phase 0 = maximum.
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Revision History
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3 Robles, Jose 2025-12-30 08:13 UTC Identification from 2009MNRAS.399.1709M. Period from 2024MNRAS.530.2972S. Epoch from NEOWISE W1 data. Position from 2021A&A...653A.133N.
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.