AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  2MASS J18521721-0131337  
AAVSO UID
000-BLS-712 (2135 observations)  
Constellation
Aquila Sequence
J2000.0
18 52 17.24 -01 31 33.7  (283.07183 -1.52603) Search nearby
B1950.0 18 49 41.74 -01 35 14.8
Proper motion
RA: 1.2 +/- 4.7 mas/yDec: -1.0 +/- 4.8 mas/ySource: UCAC4
Galactic coord. 31.670 -0.885
Other names

(Internal only)
ASASSN-V J185217.24-013133.7 GSC2.3 S9LR017755 UCAC4 443-085448
USNO-B1.0 0884-0401196    
(Not logged in)  Add name
Variability type
EA
Spectral type --
Mag. range
15.11 - 15.43 V
Discoverer Jeff W. Robertson
Epoch
26 May 1991 (HJD 2448402.95) Ephemeris
Outburst --
Period 3.250558 d
Rise/eclipse dur. 9%  (7.02 h)
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Robertson, Jeff Eccentric orbit, Min II= 15.30 V at phase 0.58.
(Not logged in)  Add remark
References
There are currently no additional references filed for this star.
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
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 = 10.95H = 9.54K = 8.76J - K = 2.19
AllWISE W1 = 8.14W2 = 8.21W3 = 8.01W1 - W2 = -0.07
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 52 17.24 -01 31 33.7 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
Click document name to open or save. Browser plug-in or other software may be required for viewing.
2 V Lightcurve Robertson, Jeff 2015-10-21 18:18 UTC Eclipsing variable lightcurve using
Comparison star = AUID 000-BCD-467

Using comparison star,
other out-of-eclipse differential magnitudes (stdev)
r variable-comparison = 0.26 (0.04)
g variable-comparison = 0.40 (0.07)
B variable-comparison = 0.47 (0.13)
1 Finding Chart (Color Image ~10'x10') Robertson, Jeff 2013-02-19 19:56 UTC Color Image of new eclipsing variable 4.5' SE of CI Aql.
(Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Robertson, Jeff 2015-10-21 22:14 UTC Initial submission

Guidelines    FAQ    Manual    Forum    Variability Types    Passbands    Copyright    Acknowledgments    Privacy    Contact    Help us   
The International Variable Star Index
© 2005-2025 American Association of Variable Star Observers (AAVSO)
Version 1.1 [C]
172.30.2.225