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Name
  V4120 Sgr  
AAVSO UID
000-BFJ-417 (26 observations)  
Constellation
Sagittarius Sequence
J2000.0
18 03 56.53 -20 19 00.5  (270.98554 -20.31681) Search nearby
B1950.0 18 00 58.05 -20 19 11.0
Proper motion
RA: 3.2 +/- 5.1 mas/yDec: -4.4 +/- 5.1 mas/ySource: UCAC4
Galactic coord. 9.539 +0.768
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J18035653-2019004 ASAS J180357-2018.9 ASASSN-V J180356.59-201900.9
ATO J270.9856-20.3168 CMC15 J180356.5-201900 GSC2.3 S9J7030012
Gaia DR2 4094972869712553088 IOMC 6259000024 IRAS 18009-2019
IRC -20424 NSV 10099 PARK 4 4052
RAFGL 2054 TIC 104109148 UCAC4 349-123752
USNO-A2.0 0675-23992494 USNO-B1.0 0696-0562385 [NB54] 232
[PCC93] 212    
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Variability type
M
Spectral type M8+
Mag. range
10.7 - <16.9 V
Discoverer --
Epoch
08 Apr 2016 (HJD 2457487) Ephemeris
Outburst --
Period 501 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto ASAS-3 and ASAS-SN magnitudes contaminated by UCAC4 349-123756 (V= 15.9; sep. 15"). ASAS-3 data also contaminated by UCAC4 349-123742 (V= 15.3; sep. 21"). Range has been corrected.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
3 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
4 G.W.Lockwood, ApJ Suppl 58,167,1985. 1985ApJS...58..167L
5 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 1975AJ.....80.1011H
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 = 4.15H = 2.58K = 1.54J - K = 2.62
AllWISE W3 = -1.88W4 = -2.93W3 - W4 = 1.05
APASS-DR9 g' = 14.25r' = 10.68
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2023-09-25 23:19 UTC Period from ASAS-3 and ASAS-SN data. Epoch and maximum magnitude from ASAS-SN data. Minimum magnitude from GSC2.3. Gaia DR3 position.
3 Admin, VSX 2017-12-16 01:39 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
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.