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Latest Details
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Name
  V6405 Sgr  
AAVSO UID
000-BHR-379 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 24 17.78 -21 40 03.3  (276.07408 -21.66758) Search nearby
B1950.0 18 21 17.64 -21 41 42.3
Proper motion
RA: -5.0 +/- 4.3 mas/yDec: -10.9 +/- 2.2 mas/ySource: UCAC4
Galactic coord. 10.622 -4.051
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J18241777-2140033 ASAS J182418-2140.0 GSC 06278-02214
NSV 10733    
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Variability type
SRD
Spectral type M2
Mag. range
11.6 - 12.8 V
Discoverer --
Epoch
09 Aug 2002 (HJD 2452496.00) Ephemeris
Outburst --
Period 84.13 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Other periods 109.3 and 167.5 d. J-K= 0.66. ASAS-3 magnitudes contaminated by 2MASS J18241711-2140247 (V= 14.4). Spectral type M2 in IBVS #660 is not consistent with 2MASS colors (RV-like behaviour at minimum?)
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References
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1 E.V. Kazarovets, N.N. Samus, O.V. Durlevich et al., 2019, The 82nd
Name-List of Variable Stars. Part II – RA 18h to 20h and Novae		 2019PZ.....39....3K
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 D.Hoffleit, IBVS N660, 1972. 1972IBVS..660....1H
External Links
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Location    Go   
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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 = 9.10H = 8.63K = 8.44J - K = 0.66
AllWISE W1 = 8.25W2 = 7.97W3 = 7.58W4 = 5.53W1 - W2 = 0.27W3 - W4 = 2.05
APASS-DR9 B = 13.24V = 11.88g' = 12.54r' = 11.41i' = 10.88B - V = 1.36
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 24 17.78 -21 40 03.3 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Admin, VSX 2019-11-01 03:23 UTC Update from [2019PZ.....39....3K].
3 Admin, VSX 2017-12-15 03:11 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
2 Otero, Sebastian Alberto 2012-01-04 02:18 UTC Primary record creation. Type, period, epoch and range from ASAS-3 data. UCAC3 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.

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