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
  KAO-EGYPT J214258.21+440520.2  
AAVSO UID
000-BMC-411 (33 observations)  
Constellation
Cygnus Sequence
J2000.0
21 42 58.23 +44 05 19.7  (325.74262 +44.08881) Search nearby
B1950.0 21 41 01.05 +43 51 34.2
Proper motion
RA: -7.3 +/- 6.3 mas/yDec: -8.6 +/- 6.7 mas/ySource: UCAC4
Galactic coord. 90.927 -6.762
Other names

(Internal only)
2MASS J21425823+4405199 ASASSN-V J214258.14+440520.3 GSC2.3 N2U5044311
UCAC4 671-102525    
(Not logged in)  Add name
Variability type
EB
Spectral type --
Mag. range
13.65 - 14.10 V
Discoverer A. Essam, M. A. El-Sadek, G. M. Hamed, M. Shaban, and Doaa El-Sayed
Epoch
28 Sep 2016 (HJD 2457660.4129) Ephemeris
Outburst --
Period 0.617898 d  (14.8296 h)
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Elsayed, Ahmed-Essam O'Connell effect. Min II= 13.91 V.
(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 = 12.32H = 11.93K = 11.93J - K = 0.39
AllWISE W1 = 11.80W2 = 11.87W3 = 11.67W1 - W2 = -0.07
APASS-DR9 B = 14.43V = 13.72g' = 14.01r' = 13.51i' = 13.23B - V = 0.71
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 21 42 58.23 +44 05 19.7 (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 V1_Finding Chart of the New Variable KAO-EGYPT J214258.21+440520.2.jpg Elsayed, Ahmed-Essam 2016-10-28 03:58 UTC V1_Finding Chart of the New Variable KAO-EGYPT J214258.21+440520.2
1 Report for KAO-EGYPT J214258.21+440520.2 as a new variable.pdf Elsayed, Ahmed-Essam 2016-10-28 03:58 UTC Report for KAO-EGYPT J214258.21+440520.2 as a new variable
(Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Elsayed, Ahmed-Essam 2016-10-28 04:06 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]
172.30.0.46