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Name
  V6490 Sgr  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
19 01 11.92 -27 38 51.3  (285.29967 -27.64758) Search nearby
B1950.0 18 58 04.37 -27 43 09.1
Proper motion
RA: -12.7 +/- 2.8 mas/yDec: -1.6 +/- 3.8 mas/ySource: UCAC4
Galactic coord. 8.837 -14.191
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J19011191-2738513 ASAS J190112-2738.9 ASASSN-V J190112.01-273851.4
CSV 4482 GSC 06881-01765 IRAS Z18580-2743
Innes 83 NSV 11638 UCAC4 312-237392
Zinn 1571    
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Variability type
M
Spectral type --
Mag. range
12.3 - <16.5 V
Discoverer --
Epoch
10 Nov 2015 (HJD 2457337.0) Ephemeris
Outburst --
Period 210.5 d
Rise/eclipse dur. --
Remarks
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1 2019PZ.....39....3K VB A (12.8mG; B 14.3mG, 7", 87deg, 2000).
2 Otero, Sebastian Alberto VSP Note: 14.9 mag. star 7" to the E.
3 Otero, Sebastian Alberto ASAS-3 magnitudes contaminated by 2MASS J19011244-2738510 (V= 14.9; sep. 7") and 2MASS J19011134-2738312 (V= 16.1; sep. 21"). Range has been corrected.
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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 M. Morel, 2012, Identifying NSV Objects in the List of Innes Variables --
4 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
5 R.T.A.Innes, UOC 20, 1914. 1914CiUO...20..149.
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 = 10.21H = 9.14K = 8.42J - K = 1.78
AllWISE W1 = 7.82W2 = 7.66W3 = 7.22W4 = 6.88W1 - W2 = 0.16W3 - W4 = 0.34
APASS-DR9 B = 15.27V = 13.17g' = 14.13r' = 12.39i' = 11.77B - V = 2.10
Images
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Supporting Documents
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Revision History
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5 Otero, Sebastian Alberto 2020-05-24 18:52 UTC Period, epoch and range from the GCVS (November 2019 version).
4 Admin, VSX 2019-11-01 03:27 UTC Update from [2019PZ.....39....3K].
3 Otero, Sebastian Alberto 2014-04-14 20:19 UTC Type, period, epoch and range from ASAS-3 data. UCAC4 position.
2 Admin, VSX 2012-11-15 04:35 UTC Update from [M. Morel, 2012, Identifying NSV Objects in the List of Innes Variables].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.