C.D.S. - SIMBAD4 rel 1.8 - 2024.06.05CEST23:22:43 V* DF Ser --------- Object V* DF Ser --- RR* --- OID=@2776579 (@@48922,0) --- coobox=17673 Coordinates(ICRS,ep=J2000,eq=2000): 15 15 19.0787552328 +18 39 27.864241956 (Opt ) A [0.0135 0.0136 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 15 13 02.3163552141 +18 50 31.503266531 Coordinates(Gal,ep=J2000,eq=2000): 026.2774586430842 +55.9256395066886 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: -3.550 -4.228 [0.021 0.019 90] A 2020yCat.1350....0G Parallax: 0.4279 [0.0187] A 2020yCat.1350....0G Radial Velocity: -10 [14] D 2000AJ....119.2866B Redshift: -0.000033 [0.000047] D 2000AJ....119.2866B cz: -10.00 [14.00] D 2000AJ....119.2866B Flux B : 12.10 [~] E ~ Flux V : 12.92 [~] D 2013ApJ...763...32D Flux G : 12.856010 [0.017343] C 2020yCat.1350....0G Flux J : 12.132 [0.021] C 2003yCat.2246....0C Flux H : 11.905 [0.024] C 2003yCat.2246....0C Flux K : 11.857 [0.021] C 2003yCat.2246....0C Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (11): Gaia DR3 1212106604918313728 ATO J228.8294+18.6577 TIC 355690384 NSVS 10591671 GSC 01489-00371 NPM1+18.0911 V* DF Ser 2MASS J15151908+1839279 ASAS J151519+1839.4 [DCD2013] CSS J151519.0+183928 Gaia DR2 1212106604918313728 Bibcodes 1850-2024 () (28): 2021ApJ...912..144M 2021MNRAS.502.4074M 2020MNRAS.492.2161Z 2020MNRAS.492.3408P 2019A&A...622A..60C 2018AJ....156..241H 2018ARep...62...50M 2018MNRAS.481.1195M 2014MNRAS.441..715G 2014MNRAS.445.1584S 2013ApJ...763...32D 2013MNRAS.435.3206D 2012IBVS.6010....1H 2009AJ....138..466H 2007A&A...476..307L 2006A&A...453..895W 2006MNRAS.368.1757W 2005A&A...442..381M 2005IBVS.5657....1H 2003IBVS.5485....1A 2002A&A...390..173M 2001AstL...27..108D 2000AJ....119.2866B 1996AJ....112.2110L 1994AJ....108.1016L 1993AJ....106.2429S 1991AJ....102.1766S 1983A&A...128...64C Measures (distance:4 PLX:2 PM:2 V*:6 velocities:1 ): distance:4PLX:2PM:2V*:6velocities:1 Notes (0) : ================================================================================