C.D.S. - SIMBAD4 rel 1.8 - 2024.04.16CEST23:23:35 54 Leo ------ Object * 54 Leo --- ** --- OID=@1766593 (@@36707,15) --- coobox=12722 Coordinates(ICRS,ep=J2000,eq=2000): 10 55 36.79658 +24 44 58.9823 (Opt ) A [4.92 3.61 90] 2007A&A...474..653V Coordinates(FK4,ep=B1950,eq=1950): 10 52 54.57453 +25 01 00.8975 Coordinates(Gal,ep=J2000,eq=2000): 211.59447108 +63.90955067 hierarchy counts: #parents=0, #children=2, #siblings=0 Proper motions: -80.03 -15.36 [0.56 0.41 0] A 2007A&A...474..653V Parallax: 11.37 [0.61] A 2007A&A...474..653V Radial Velocity: 5.40 [2.7] C 2006AstL...32..759G Redshift: 0.000018 [0.000009] C 2006AstL...32..759G cz: 5.40 [2.70] C 2006AstL...32..759G Flux B : 4.34 [~] E ~ Flux V : 4.32 [~] E ~ Spectral type: A1 D ~ Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (14): HIP 53417 GEN# +1.00094601 ADS 7979 AB BD+25 2314 CCDM J10556+2445AB CSI+25 2314 3 HIC 53417 IDS 10502+2517 AB PPM 400158 UBV 10011 WDS J10556+2445AB ** STF 1487AB ** STF 1487 * 54 Leo Bibcodes 1850-2024 () (25): 2021ApJS..254...42B 2019A&A...623A..72K 2017AJ....154..115H 2012A&A...544A..31V 2012A&A...546A..61D 2012AJ....143..124M 2012MNRAS.427..343M 2010A&A...516A..28V 2010A&A...516A..29V 2008AJ....135.1334H 2007A&A...474..653V 2006AstL...32..759G 2004AJ....128.3012M 2002A&A...393..897R 1997A&A...323L..49P 1987A&AS...68..481M 1986AcA....36..175D 1985IzPul.203...36B 1978AJ.....83..411J 1975A&AS...19...91L 1972ApJ...177..161B 1970A&AS....1..409F 1958JO.....41...31C 1951JO.....34...21D 1950JO.....33..105M Measures (PLX:2 PM:2 velocities:1 ): PLX:2PM:2velocities:1 Notes (0) : ================================================================================