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Name
  V6474 Sgr  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 44 01.81 -21 42 09.7  (281.00754 -21.70269) Search nearby
B1950.0 18 41 01.91 -21 45 14.6
Proper motion
RA: 1.4 +/- 1.5 mas/yDec: -0.2 +/- 2.1 mas/ySource: UCAC4
Galactic coord. 12.670 -8.158
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
ASAS J184402-2142.1 ASASSN-V J184401.86-214210.0 BD-21 5121
GSC 06292-00411 IRAS 18410-2145 IRC -20512
NSV 11258 PPM 734340  
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Variability type
SR
Spectral type M5
Mag. range
10.1 - 11.3 V
Discoverer --
Epoch
09 Apr 2007 (HJD 2454200) Ephemeris
Outburst --
Period 1210 d  (3.31 y)
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 2019PZ.....39....3K P = 119d is superposed.
2 2016PZP....16....7K Superposed variations with P = 119 d.
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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 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2017ARep...61...80S
3 E.V. Kazarovets, E.N. Pastukhova, 2016, PZP 16, 7 2016PZP....16....7K
4 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
5 D.Hoffleit, IBVS N660, 1972. 1972IBVS..660....1H
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 J = 4.28H = 3.15K = 2.82J - K = 1.45
AllWISE W2 = 2.51W3 = 2.27W4 = 1.68W3 - W4 = 0.59
APASS-DR9 B = 12.65V = 10.84g' = 11.69B - V = 1.81
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2020-05-24 18:52 UTC Position from the GCVS (November 2019 version).
3 Admin, VSX 2019-11-01 03:26 UTC Update from [2019PZ.....39....3K].
2 Admin, VSX 2017-01-04 01:34 UTC Update from [2016PZP....16....7K].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.