AAVSO Home

The International Variable Star Index Search Submit Register Log In Account About

Welcome, Guest. You are not logged in. Log in

within 5' of 21 38 30.61 +40 13 57.4 Return to Details Search Results 4 records (16 ms)   Click Name to display Detail Sheet for star. Save Search Results as CSV file: Dist. ' Name AUID Coords (J2000) Const. Var. type Period (d) Mag. range 0.00 Gaia DR3 1966011315421199616 -- 21 38 30.61 +40 13 57.4 Cyg ROT -- 16.93 - 16.99 G 3.14 ASASSN-V J213821.29+401632.5 -- 21 38 21.29 +40 16 32.4 Cyg EB 0.630569 15.22 - 15.59 V 3.27 ZTF J213831.51+401713.0 -- 21 38 31.52 +40 17 13.1 Cyg BY 3.2368301 16.436 (0.103) r 4.02 ZTF J213851.52+401425.0 -- 21 38 51.52 +40 14 25.0 Cyg RS 9.0887739 17.624 (0.303) r Coordinate based link-outs: -- Select -- SIMBAD Coordinate query VizieR Search CDS Portal Extinction Calculator APASS AAVSOnet Epoch Photometry Data SDSS Navigate Tool ASAS Light Curve ASAS-SN Sky Patrol NSVS CRTS LINEAR SuperWASP ZTF Pan-STARRS1 Data Pan-STARRS1 Images SkyMorph

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] 172.30.3.189