C.D.S. - SIMBAD4 rel 1.8 - 2024.05.05CEST22:45:17 V* V1820 Cyg ------------ Object V* V1820 Cyg --- bC* --- OID=@2931361 (@@101828,12) --- coobox=20344 Coordinates(ICRS,ep=J2000,eq=2000): 20 05 38.6587290576 +35 45 31.453257744 (Opt ) A [0.0106 0.0137 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 20 03 45.9460821978 +35 36 53.000129854 Coordinates(Gal,ep=J2000,eq=2000): 072.5927296095811 +02.1024773713305 hierarchy counts: #parents=1, #children=0, #siblings=0 Proper motions: -3.291 -6.544 [0.014 0.016 90] A 2020yCat.1350....0G Parallax: 0.5198 [0.0147] A 2020yCat.1350....0G Radial Velocity: -18 [~] D 2010ApJ...722..605H Redshift: -0.000060 [~] D 2010ApJ...722..605H cz: -18.00 [~] D 2010ApJ...722..605H Flux U : 10.54 [~] D 2003AJ....125.2531R Flux B : 11.00 [~] E ~ Flux V : 10.80 [~] E ~ Flux G : 10.712293 [0.002775] C 2020yCat.1350....0G Flux J : 10.358 [0.021] C 2003yCat.2246....0C Flux H : 10.294 [0.023] C 2003yCat.2246....0C Flux K : 10.220 [0.018] C 2003yCat.2246....0C Spectral type: B2III D ~ Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (14): Gaia DR3 2059076389104969856 TIC 89755002 CSI+35-20037 GEN# +2.68710014 GSC 02682-00100 NGC 6871 14 TYC 2682-100-1 UBV M 37431 V* V1820 Cyg uvby98 268710014 V 2MASS J20053866+3545314 ALS 16662 [MJD95] J200538.69+354531.4 Gaia DR2 2059076389104969856 Bibcodes 1850-2024 () (20): 2019MNRAS.490.3158C 2018A&A...616L..15X 2016A&A...591A.118S 2015A&A...580A..23P 2012A&A...548A..79A 2010ApJ...722..605H 2005AJ....130.1652R 2005ApJS..158..193S 2003AJ....125.2531R 2001MNRAS.326..317Z 1998A&AS..129..431H 1995ApJ...454..151M 1989AN....310..273R 1988AcA....38..225N 1987IBVS.3058....1K 1985A&A...152...15W 1984A&AS...58..447D 1974AJ.....79..623C 1972VilOB..33...15B 1965ApJ...141.1340S Measures (distance:2 Fe_H:2 PLX:2 PM:2 ROT:1 V*:1 velocities:2 ): distance:2Fe_H:2PLX:2PM:2ROT:1V*:1velocities:2 Notes (0) : ================================================================================