C.D.S. - SIMBAD4 rel 1.8 - 2024.04.16CEST11:23:46 Alfa Com A ---------- Object * alf Com A --- PM* --- OID=@2104799 (@@44344,0) --- coobox=13912 Coordinates(ICRS,ep=J2000,eq=2000): 13 09 59.285492 +17 31 45.85645 (Opt ) B [20 20 90] 2002A&A...384..180F Coordinates(FK4,ep=B1950,eq=1950): 13 07 33.316422 +17 47 36.29096 Coordinates(Gal,ep=J2000,eq=2000): 327.933351442 +79.489336648 hierarchy counts: #parents=1, #children=0, #siblings=0 Proper motions: -430.1 137.8 [0.9 0.9 90] B 2002A&A...384..180F Parallax: ~ [~] ~ ~ Radial Velocity: ~ [~ ~ ] ~ ~ Redshift: ~ [~ ~ ] ~ ~ cz: ~ [~ ~ ] ~ ~ Flux B : 5.25 [0.01] D 2002A&A...384..180F Flux V : 4.80 [0.01] D 2002A&A...384..180F Spectral type: F5V C 2013MNRAS.428.3104E Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (13): GJ 501 A * 42 Com A * alf Com A ADS 8804 A BD+18 2697A CCDM J13100+1732A CSI+18 2697 3 HD 114378 HR 4968 IDS 13051+1803 A WDS J13100+1732A ** STF 1728A TYC 1454-1134-1 Bibcodes 1850-2024 () (242): 2023A&A...680A..84M 2020A&A...635A..46P 2020A&A...642A.212J 2020ApJ...898...27S 2020ApJS..247...11R 2019ApJS..241...12S 2019MNRAS.483.3510V 2019MNRAS.488.3588Y 2018A&A...616A.108B 2018A&A...618A..48M 2017A&A...605A.113M 2017AJ....153...21L 2017ApJ...836..139F 2016A&A...586A..14H 2016A&A...591A..89M 2016A&A...591A.118S 2016A&A...593A..51M 2016AJ....152..181H 2016ApJ...826..171G 2016MNRAS.457.3178P 2015A&A...580A..23P 2015MNRAS.449.3160R 2013A&A...551L...8P 2013A&A...554A..50S 2013ApJ...768...25G 2012A&A...542A.116A 2012A&A...546A..69M 2012AJ....143...10H 2012ApJS..199....8G 2012MNRAS.422.1057P 2011A&A...530A.138C 2011AJ....141...45H 2011MNRAS.413.1200R 2011MNRAS.414.2893F 2010A&A...515A.111S 2010AJ....140.1579M 2010AJ....140.1623M 2010AJ....140.1631M 2010AJ....140.1657M 2010ChA&A..34..277X 2010MNRAS.403.1089P 2009A&A...493.1099S 2009AJ....137.3358M 2009AJ....138..813H 2009ApJS..184..138H 2008A&A...483..903B 2008MNRAS.389..869E 2007AJ....134.1671M 2007ApJ...669.1167B 2006A&A...446..267R 2005A&A...438..139S 2005AJ....129.1063L 2005AJ....130.2262R 2003A&A...398..647R 2003A&A...406..535Z 2003AJ....126.2048G 2002A&A...382..118T 2002A&A...388..309L 2001A&A...367..521P 2001ARep...45..718B 2000AJ....119.2403T 2000AN....321....1S 1999A&AS..135..319H 1999AJ....117..548H 1999MNRAS.307...91E 1998A&A...335..467T 1998A&AS..132..155H 1997ApJ...474..503H 1997MNRAS.285..759T 1997MNRAS.288..411K 1997PASP..109..759W 1996A&A...305..284H 1996AJ....111..393A 1996ApJ...457L..99B 1996ApJ...466..384D 1996ApJS..102..129B 1996JAVSO..24..105H 1995A&A...300..775M 1995A&AS..109..177W 1995A&AS..114..269D 1995A&AS..114..465K 1995ApJ...438..269B 1995ApJ...438..404H 1995ApJ...439..405A 1994A&A...292..191S 1994AJ....107..306H 1994Ap&SS.212..335H 1994ApJS...94..127F 1994KFNT...10b..68Z 1994MNRAS.267..840H 1993A&AS..101..551L 1993AJ....106.1639M 1993ApJ...408..305L 1993BSAO...35....9B 1993PASP..105...36S 1993yCat.3135....0C 1992A&A...258..432S 1992AJ....103..488P 1992BICDS..40...71P 1992PNAOJ...2..459I 1991A&A...248..485D 1991A&A...252..260H 1991A&AS...88..281D 1991ApJ...368..264A 1991ApJS...76..383D 1991MNRAS.253..364P 1990A&AS...82..531F 1990AJ.....99..965M 1990ApJ...357..514F 1990SoSAO..65....5B 1989A&A...218..180J 1989A&AS...77..125L 1989AJ.....97..510M 1989AJ.....97..539S 1989AJ.....98.1842E 1989AcA....39..209S 1988A&A...203..388P 1988ApJ...329..253W 1988ApJ...335..892S 1988MNRAS.230..273A 1988TarOT..92...73L 1987AJ.....93..688M 1987ApJ...321..958V 1986A&A...157..119D 1986A&A...157..278B 1986A&AS...65...27B 1986ApJ...304..365Z 1985A&A...152..357H 1985A&AS...61..483T 1985ApJ...290..307S 1985IAUS..111...97M 1985MNRAS.217...41D 1984ApJ...279..763N 1983ApJ...274..794W 1983ApJS...51..309M 1983ApJS...53..643J 1982ApJ...260..655Z 1982PDAO...16...87H 1982PDAO...16..111H 1981ApJ...245L..71B 1981ApJ...248..651D 1981ApJS...45..437A 1981ApJS...47..243H 1980ARA&A..18..115P 1980AcA....30..285G 1980AcA....30..453G 1980BICDS..19...41H 1979ApJ...228..493M 1979ApJ...230..497M 1979ApJ...230..526K 1979ApJS...41...47L 1979PASP...91..479H 1979PASP...91..553S 1978A&A....66..335H 1978ApJ...225..932M 1978ApJ...226..379W 1978PASP...90..267V 1978S&T....55..413L 1977ApJ...215..159M 1977IBVS.1362....1P 1976A&A....48..101L 1976AJ.....81..245E 1976AJ.....81..855W 1976ApJS...30..273A 1976IzKry..55..127B 1976MNRAS.177..645W 1975A&AS...20..391C 1974ApJ...190..331W 1973JRASC..67..139P 1972A&A....18...16D 1972A&AS....6..147B 1972SvA....15..573D 1971A&A....15..179L 1970A&AS....1..399M 1970A&AS....3...51C 1969AJ.....74..764W 1968ApJ...151..611M 1968ApJ...151..907A 1968ApJ...153..221W 1967ApJ...150..551K 1967IAUS...30..221P 1967JO.....50....7B 1967JO.....50..343H 1966ApJ...144..695W 1966ApJ...146..392D 1966JO.....49..335M 1966JO.....49..359S 1965AJ.....70...19E 1965MmSAI..36..215C 1964JO.....47....1B 1964JO.....47..229C 1963AJ.....68..114W 1963ApJS....8..125E 1963JO.....46..133H 1963JO.....46..155C 1963PASP...75..308E 1962AJ.....67..403W 1962JO.....45...43C 1962MmSAI..33..177C 1961AJ.....66..272L 1960AJ.....65..156W 1960JO.....43....1C 1959ApJ...130..487O 1959ApJ...130..611F 1959JO.....42...85M 1959JO.....42..103B 1958AJ.....63...63V 1958JO.....41....1C 1958JO.....41...31C 1958JO.....41...81C 1958MNRAS.118...65E 1957AJ.....62...45E 1957AJ.....62..153W 1957ApJ...126..509O 1957JO.....40..165B 1956AJ.....61..162W 1956AJ.....61..361E 1956AJ.....61..405E 1956JO.....39..137C 1956JO.....39..181M 1956JO.....39..198C 1955AJ.....60...65E 1955AJ.....60..401E 1955ApJ...122..182N 1955JO.....38..221M 1955JO.....38..238C 1954AJ.....59..132W 1954AJ.....59..256W 1954JO.....37...73B 1954JO.....37..125M 1953JO.....36...61M 1952AJ.....57..248W 1952JO.....35....5B 1952JO.....35...85D 1951AJ.....56...69W 1951AnAp...14...85B 1951JO.....34...85V 1951MNRAS.111..236V 1950AJ.....55..153W 1950ApJ...112..554R 1950JO.....33....1B 1950JO.....33...93M Measures (Fe_H:2 herschel:2 ISO:1 IUE:4 MK:13 ROT:5 V*:1 ): Fe_H:2herschel:2ISO:1IUE:4MK:13ROT:5V*:1 Notes (0) : 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