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Latest Details
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Name
  V5640 Sgr  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 19 23.07 -28 28 56.5  (274.84612 -28.48236) Search nearby
B1950.0 18 16 13.20 -28 30 14.2
Proper motion
RA: -4.8 +/- 3.6 mas/yDec: -1.7 +/- 2.5 mas/ySource: UCAC4
Galactic coord. 4.041 -6.223
Other names

(Internal only)
CD-28 14448 GSC 06856-01078 HD 317382
SOPS IIa- 34 TYC 6856-1078-1 [M64] -28 29
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Variability type
DSCT:
Spectral type A9:
Mag. range
11.28 (0.02) V
Discoverer --
Epoch
--
Outburst --
Period 0.224046: d  (5.3771 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto J-K= 0.11. Spectral type B8II/III in 1972POAN....2...59S and B9V in 1964AJ.....69..104M. Period and type are uncertain.
2 2000A&AS..145..481Z Erroneously called V1592 Sgr in [Zwintz, K., Weiss, W.W., Kuschnig, R., et al. 2000, AsAp Suppl, 145, No. 3, 481 ].
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References
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1 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2013, IBVS 6052
2013IBVS.6052....1K
2 Zwintz, K., Weiss, W.W., Kuschnig, R., et al. 2000, AsAp Suppl, 145, No. 3,
481
2000A&AS..145..481Z
3 Stock, J.; Wroblewski, H., 1972, A southern objective prism survey 1972POAN....2...59S
4 S.W. McCuskey, S. W., 1964, AJ 69, 104 1964AJ.....69..104M
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 = 10.88H = 10.79K = 10.77J - K = 0.10
AllWISE W1 = 10.65W2 = 10.72W3 = 10.50W4 = 7.89W1 - W2 = -0.07W3 - W4 = 2.61
Images
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Supporting Documents
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Revision History
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2 Otero, Sebastian Alberto 2014-04-30 22:56 UTC Spectral type. magnitude and amplitude from 2000A&AS..145..481Z. UCAC4 position.
1 Admin, VSX 2013-04-16 00:34 UTC Preserved original object data.