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Latest Details
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Name
  ASAS J171812-2759.0  
AAVSO UID
--  
Constellation
Ophiuchus Sequence
J2000.0
17 18 11.62 -27 59 02.4  (259.54842 -27.98400) Search nearby
B1950.0 17 15 03.07 -27 55 54.0
Proper motion
RA: -2.3 +/- 2.3 mas/yDec: 3.1 +/- 2.3 mas/ySource: UCAC4
Galactic coord. 357.503 +5.569
Other names

(Internal only)
2MASS J17181161-2759023 ASAS 171812-2759.0 ASASSN-V J171811.76-275902.4
EPIC 236219974 Gaia DR3 4107938581416858624 UCAC4 311-115611
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Variability type
SRD
Spectral type K
Mag. range
13.13 - 13.56 V
Discoverer ASAS
Epoch
04 May 2008 (HJD 2454591.00) Ephemeris
Outburst --
Period 53.26 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 P= 53.26 d. in the table is for the time span 2000-2009). P= 45.0 d. between 2016 and 2018 (ASAS-SN). ASAS-3 and ASAS-SN magnitudes contaminated by UCAC4 311-115619 (V= 15.4; sep. 15"). Range has been corrected.
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References
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1 Creevey, O. L.; et al., 2023, Gaia Data Release 3: Astrophysical parameters
inference system (Apsis) I -- methods and content overview
2023A&A...674A..26C
2 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source
2022yCat.1355....0G
3 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
4 Richards, J. W.; et al.; 2012, Construction of a Calibrated Probabilistic
Classification Catalog: Application to 50k Variable Sources in the All-Sky
Automated Survey
2012ApJS..203...32R
5 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
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 = 10.22H = 9.73K = 9.48J - K = 0.74
AllWISE W1 = 9.19W2 = 9.16W3 = 9.00W4 = 5.35W1 - W2 = 0.03W3 - W4 = 3.64
APASS-DR9 B = 14.87V = 13.29g' = 14.09r' = 12.70i' = 12.20B - V = 1.58
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2024-04-29 20:01 UTC Type from ASAS-3, ASAS-SN and Gaia DR3 data. Period from 2012ApJS..203...32R. Epoch from ASAS-3 data. Range derived from ASAS-3, ASAS-SN and Gaia DR3 data. Spectral type from 2023A&A...674A..26C.
2 Zalezsak, Tamas 2016-03-24 01:01 UTC UCAC4 position.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.