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Latest Details
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Name
  V4469 Sgr  
AAVSO UID
000-BFJ-731 (10 observations)  
Constellation
Sagittarius Sequence
J2000.0
17 44 55.62 -28 52 27.0  (266.23175 -28.87417) Search nearby
B1950.0 17 41 45.16 -28 51 14.2
Galactic coord. 359.974 +0.162
Other names

(Internal only)
2MASS J17445561-2852270 OH 359.974+00.162 TIC 203705223
VVV J174455.61-285227.11 [BCM2019] b333 114 64405 [GMC2001] 25-414
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Variability type
M
Spectral type --
Mag. range
10.0 - 12.6 K
Discoverer --
Epoch
13 Jun 2012 (HJD 2456092) Ephemeris
Outburst --
Period 640 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto VSP Note: 14.3 Vmag. star 8" to the SE.
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References
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1 Albarracin, R.; et al., 2025, Unveiling VVV/WISE Mira variables on the far
side of the Galactic disk
2025A&A...693A..28A
2 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
3 Braga, V. F.; et al., 2019, New type II Cepheids from VVV data towards the
Galactic center
2019A&A...625A.151B
4 Mainzer, A.; et al., 2014, Initial Performance of the NEOWISE Reactivation
Mission
2014ApJ...792...30M
5 P.R.Wood, H.J.Habing, P.J.McGregor, AsAp 336, No.3, 925, 1998. 1998A&A...336..925W
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 K = 12.40
AllWISE W1 = 7.01W2 = 5.34W3 = 3.06W4 = 1.32W1 - W2 = 1.67W3 - W4 = 1.74
Images
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Supporting Documents
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2 Phase plot P=640d Robles, Jose 2026-02-26 05:34 UTC Phase 0 = maximum (HJD 2456092). Ks-band Braga+2019 (blue) + NEOWISE W1→K (orange).
1 Light curve 2005-2024 (Ks + NEOWISE W1→K) Robles, Jose 2026-02-25 05:29 UTC Ks-band Braga+2019 (blue dots) and NEOWISE W1 shifted to K zero point (orange squares, offset +3.25 mag).
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Revision History
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3 Robles, Jose 2026-01-31 01:03 UTC Period and epoch from Lomb-Scargle analysis of combined Ks-band data (2019A&A...625A.151B) and NEOWISE W1 data (2014ApJ...792...30M), W1 shifted to K zero point. Maximum from 2019A&A...625A.151B.
Period consistent with 2024MNRAS.530.2972S and 2025A&A...693A..28A.
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.