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Latest Details
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Name
  NSV 20905  
AAVSO UID
--  
Constellation
Ophiuchus Sequence
J2000.0
17 06 01.12 -28 32 39.9  (256.50467 -28.54442) Search nearby
B1950.0 17 02 52.16 -28 28 39.3
Galactic coord. 355.473 +7.422
Other names

(Internal only)
2MASS J17060111-2832400 ASASSN-V J170601.19-283240.5 Terz V 626
USNO-B1.0 0614-0460806    
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Variability type
M
Spectral type --
Mag. range
13.1 - <17.0 V
Discoverer A. Terzan, Ch. Ounnas
Epoch
10 Jun 2019 (HJD 2458645) Ephemeris
Outburst --
Period 214 d
Rise/eclipse dur. --
Remarks
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1 Bedient, James ASAS-SN magnitudes contaminated by several faint stars in a crowded field including USNO-B1.0 0614-0460763 (V= 16.2, sep. 9"). Range has been corrected.
2 GCVS Team Var in B and in V.
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References
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1 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
2 Terzan, A.; Ounnas, Ch., 1988, A photometric study of the bright cloud B in
Sagittarius. VI. 1592 new variable stars and 30 diffuse objects.
1988A&AS...76..205T
3 A.Terzan, Ch.Ounnas, AsAp Suppl 76, No.2, 205, 1988. 1988A&AS...76..205T
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 = 8.81H = 7.88K = 7.47J - K = 1.34
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 17 06 01.12 -28 32 39.9 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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2 Phase Plot Bedient, James 2021-02-19 19:52 UTC Phase plot of NSV 20905 ASAS-SN V and g data.
1 Light Curve Bedient, James 2021-02-19 19:50 UTC Light curve of NSV 20905 ASAS-SN V and g data from JD 2457524 to 2459264.
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Stellar Association Membership
 ASCC 87 Open Cluster 2012A&A...548A..97Z
Revision History
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2 Bedient, James 2021-01-10 07:18 UTC Gaia EDR3 position. Discoverer from 1988A&AS...76..205T. Type, range, period, and epoch from ASAS-SN data.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.