C.D.S. - SIMBAD4 rel 1.8 - 2024.04.28CEST06:06:46 BD+55 2770 ----------- Object BD+55 2770 --- * --- OID=@102460 (@@134498,1) --- coobox=617 Coordinates(ICRS,ep=J2000,eq=2000): 22 33 45.5222630928 +56 31 58.764566388 (Opt ) C [4.1747 4.0461 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 22 31 49.1049452225 +56 16 28.628975286 Coordinates(Gal,ep=J2000,eq=2000): 104.7638510785502 -01.4026409423020 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: -0.8 -3.9 [2.2 2.2 72] B 2000A&A...355L..27H Parallax: ~ [~] ~ ~ Radial Velocity: -67.1 [~] E 1995A&AS..114..269D Redshift: -0.000224 [~] E 1995A&AS..114..269D cz: -67.09 [~] E 1995A&AS..114..269D Flux U : 9.51 [~] D 2003AJ....125.2531R Flux B : 10.02 [~] E ~ Flux V : 9.76 [~] E ~ Flux G : 10.090049 [0.019442] C 2020yCat.1350....0G Flux J : 8.865 [0.023] C 2003yCat.2246....0C Flux H : 8.822 [0.017] C 2003yCat.2246....0C Flux K : 8.768 [0.019] C 2003yCat.2246....0C Spectral type: B1.5III C 1956ApJS....2..389H Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (12): Gaia DR3 2006853331983403520 TIC 64558174 ALS 12498 BD+55 2770 GSC 03991-01736 Hilt 1144 LS III +56 72 TYC 3991-1736-1 2MASS J22334553+5631588 GEN# +0.05502770A WEB 19919 Gaia DR2 2006853331981688832 Bibcodes 1850-2024 () (18): 2023A&A...674A.212D 2020MNRAS.493.2339M 2018A&A...616L..15X 2017MNRAS.472.3887M 2011A&A...527A..34M 2005AJ....130.1652R 2003AJ....125.2531R 1998ApJS..115..271R 1995A&AS..114..269D 1987AN....308...41F 1985ApJS...59..397S 1983TrSht..55....3S 1964LS....C03....0H 1963ApJ...138.1002A 1963MNRAS.125..141W 1956ApJS....2..389H 1954ApJ...120..454H 1952BOTT....1e...8G Measures (MK:2 velocities:1 ): MK:2velocities:1 Notes (0) : ================================================================================