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Name
  V0491 Sco  
AAVSO UID
000-BFK-764 (No observations)  
Constellation
Scorpius Sequence
J2000.0
17 38 42.42 -34 09 02.9  (264.67675 -34.15081) Search nearby
B1950.0 17 35 23.61 -34 07 22.9
Proper motion
RA: 3.6 +/- 3.2 mas/yDec: 3.5 +/- 3.2 mas/ySource: UCAC4
Galactic coord. 354.792 -1.498
Other names

(Internal only)
2MASS J17384242-3409028 ASAS J173843-3409.0 ASASSN-V J173842.42-340902.9
CMC15 J173842.4-340902 HV 7915 UCAC4 280-123864
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Variability type
CST
Spectral type --
Mag. range
13.67 V
Discoverer H. H. Swope
Epoch
--
Outburst --
Period --
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 data used in the previous analysis was contaminated by GSC 07384-00393 and other faint stars. Constant in ASAS-SN data which is also contaminated by several nearby stars.
2 Otero, Sebastian Alberto Formerly identified with GSC 07384-00393 which is 28" to the SW and is constant at V= 12.35. Identification is consistent with finding chart in 1940AnHar..90..231S.
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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 H.H.Swope, HA 90, N8, 1939. 1940AnHar..90..231S
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 H = 10.93K = 10.72
AllWISE W1 = 9.71W2 = 9.84W3 = 9.95W1 - W2 = -0.13
APASS-DR9 B = 14.68V = 13.63g' = 14.18r' = 13.20i' = 12.64B - V = 1.05
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 17 38 42.42 -34 09 02.9 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2017-01-11 08:01 UTC Phase plot with ASAS-3 and APASS data.
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Stellar Association Membership
 ASCC 90 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2020-04-24 05:50 UTC Elements deleted.
4 Otero, Sebastian Alberto 2020-04-24 05:49 UTC Type from ASAS-SN data. Magnitude derived from Gaia DR2.
3 Otero, Sebastian Alberto 2017-01-11 08:01 UTC Type, period, epoch and range from ASAS-3 and APASS data. UCAC4 position.
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.