C.D.S. - SIMBAD4 rel 1.8 - 2024.04.19CEST23:32:44 BI Cygni -------- Object V* BI Cyg --- s*r --- OID=@2954264 (@@61564,5) --- coobox=20438 Coordinates(ICRS,ep=J2000,eq=2000): 20 21 21.8869298736 +36 55 55.728708060 (Opt ) A [0.0291 0.0363 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 20 19 29.0840466527 +36 46 19.685524410 Coordinates(Gal,ep=J2000,eq=2000): 075.3196392599433 +00.1118078571087 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: -2.751 -5.459 [0.038 0.048 90] A 2020yCat.1350....0G Parallax: 0.3541 [0.0377] A 2020yCat.1350....0G Radial Velocity: -6.82 [0.42] A 2018yCat.1345....0G Redshift: -0.000023 [0.000001] A 2018yCat.1345....0G cz: -6.82 [0.42] A 2018yCat.1345....0G Flux B : 11.48 [~] C 2002yCat.2237....0D Flux V : 8.40 [~] C 2002yCat.2237....0D Flux G : 6.448724 [0.005567] C 2020yCat.1350....0G Flux J : 2.35 [~] C 2002yCat.2237....0D Flux H : 1.15 [~] C 2002yCat.2237....0D Flux K : 0.62 [~] C 2002yCat.2237....0D Spectral type: M4Iab C 1972A&A....16..329G Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (19): Gaia DR3 2057564148278709760 TIC 13249363 AAVSO 2017+36B AN 23.1919 BD+36 4025 CCDM J20215+3656A GEN# +0.03604025 GSC 02684-00522 IDS 20176+3637 A IRAS 20194+3646 IRC +40408 JP11 158 RAFGL 2559 TYC 2684-522-1 UBV M 2712 V* BI Cyg 2MASS J20212192+3655555 WDS J20214+3656A Gaia DR2 2057564148278709760 Bibcodes 1850-2024 () (105): 2023A&A...674A..15L 2021A&A...646A..98T 2021A&A...646A.180K 2020A&A...644A..62C 2020ApJ...902...24D 2020JAVSO..48...50P 2020MNRAS.493.2339M 2019AJ....158...20M 2019MNRAS.487.4832C 2018A&A...618A..58M 2017A&A...598A.108L 2017MNRAS.466.1963L 2017MNRAS.472.3887M 2016A&A...595A.105D 2016MNRAS.461.3296N 2012A&A...548A..79A 2012BaltA..21..531L 2012MNRAS.427.3209J 2011A&A...526A.156M 2011JAVSO..39....1P 2009JRASC.103...11P 2007A&A...469..671J 2006MNRAS.372.1721K 2005A&A...438..273V 2005ApJ...628..973L 2004ApJS..151..387I 2003ApJ...594..483S 2003PASP..115..514T 2002A&A...384..965B 2002ApJ...565.1239L 2002yCat.2237....0D 2000A&A...357..225J 1999A&AS..140...69Z 1999ChA&A..23..195Z 1998A&AS..129...45J 1998ApJS..119..141S 1997ApJS..112..557K 1997PASJ...49..485G 1996ApJ...462..786L 1995AJ....110.2910H 1995MNRAS.274..439L 1995PASP..107..691I 1993A&A...267..515O 1993ARA&A..31...63K 1993ApJS...89..189C 1992A&AS...94..211G 1992AJ....104..377D 1991ApJ...368..570S 1990A&A...231..431A 1990ApJS...73..769J 1990PASJ...42..419N 1989AJ.....97.1120S 1989AJ.....97.1763B 1989MNRAS.236..247G 1989PASJ...41..779N 1989TarOT..94....1N 1988A&AS...72..259D 1988AJ.....95..141S 1988AJ.....96.1884H 1988AZh....65.1250Y 1988ApJ...331..932T 1988MNRAS.235..603S 1986A&AS...65..607O 1986MNRAS.222..273R 1985Afz....22..335V 1985ApJS...57...91E 1985Obs...105..229S 1984ApJ...281..303G 1984ApJ...285..637B 1983A&AS...51..463W 1983ApJ...266L..17F 1983ApJ...269..335H 1982AJ.....87..131P 1982MNRAS.200..197R 1982PASP...94..835H 1981A&AS...44..179P 1981AJ.....86.1926B 1981AJ.....86.1930B 1981ApJ...249L..55E 1981PZP.....4...85B 1979ApJ...228L.115K 1978A&AS...34..409S 1978ApJ...222..209W 1978ApJS...38..309H 1976AJ.....81..641K 1976SvA....20..693R 1974ApJ...192..113L 1973ApJ...186..193M 1973ApJS...25..393S 1972A&A....16..329G 1972A&A....17..385W 1972PASP...84..373S 1972PASP...84..613N 1971ApJ...165..285G 1970A&A.....8..315A 1970ApJ...161L.219G 1970ApJ...162..217L 1969MmSAI..40..375R 1969PASP...81..887G 1959JO.....42...33P 1958ApJ...128..510N 1956ApJ...124..346C 1954AJ.....59..396B 1954ApJ...120..478N 1919AN....209...15E Measures (herschel:1 ISO:3 MK:6 PLX:2 PM:2 V*:3 velocities:2 ): herschel:1ISO:3MK:6PLX:2PM:2V*:3velocities:2 Notes (0) : ================================================================================