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Name
  V1592 Sgr  
AAVSO UID
000-BCB-990 (1262 observations)  
Constellation
Sagittarius Sequence
J2000.0
18 19 20.98 -28 38 22.6  (274.83742 -28.63961) Search nearby
B1950.0 18 16 10.83 -28 39 40.1
Proper motion
RA: 8.2 +/- 7.5 mas/yDec: -2.2 +/- 6.1 mas/ySource: UCAC4
Galactic coord. 3.897 -6.289
Other names

(Internal only)
2MASS J18192097-2838224 AAVSO 1813-28 AAVSO 1813-28 C
ASASSN-V J181920.91-283822.4 EPIC 221684128 Jones Object
UCAC4 307-214795 USNO-B1.0 0613-0712150 [M64] -28 27
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Variability type
M
Spectral type M5e-M7
Mag. range
10.9 - <16.5 V
Discoverer --
Epoch
07 Jun 2004 (HJD 2453164.0) Ephemeris
Outburst --
Period 215.8 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto VSP Note: 15.7 mag. star 7" to the N, 13.2 mag. star 18" to the N and 13.7 mag. star 23" to the NW.
2 Otero, Sebastian Alberto ASAS-3 magnitudes contaminated by UCAC4 307-214786 (V= 15.7; sep. 7"), 2MASS J18192082-2838048 (V= 13.2; sep. 18") and 2MASS J18191967-2838069 (V= 13.7; sep. 23"). Range has been corrected.
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References
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1 S.W. McCuskey, S. W., 1964, AJ 69, 104 1964AJ.....69..104M
2 J.Ponsen, Leid Ann 20, N16, 398, 1955. --
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 = 7.31H = 6.45K = 5.99J - K = 1.32
AllWISE W1 = 5.72W2 = 5.15W3 = 4.30W4 = 3.45W1 - W2 = 0.58W3 - W4 = 0.85
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 19 20.98 -28 38 22.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2019-12-01 01:47 UTC Gaia DR2 position.
4 Otero, Sebastian Alberto 2014-12-18 01:22 UTC Primary record creation. Period, epoch and maximum magnitude from ASAS-3 data. Minimum magnitude derived from UCAC3. UCAC4 position.
3 Admin, VSX 2014-05-04 00:01 UTC Spectral type from 1964AJ.....69..104M
2 Watson, Christopher 2006-07-10 14:09 UTC B. Skiff, private communication. Incorrectly linked to GSC 6856-1078 = VGS 14 from the recent paper by Zwintz et al (2000A&AS..145..481Z). However, this is a different star entirely, unrelated to V1592 Sgr. It is much brighter and rather blue, and the amplitude reported is very small. Online GCVS has this position correct now, so it's time to update it here. Position is from 2MASS.
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.