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Altair
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==Visual companions== The bright primary [[star]] has the [[multiple star]] designation [[Washington Double Star Catalog|WDS]] 19508+0852A and has several faint visual companion stars, WDS 19508+0852B, C, D, E, F and G.<ref name="wds" /> All are much more distant than Altair and not physically associated.<ref>{{cite DR2}}</ref> {{Componentbox begin |designation=[[Washington Double Star Catalog|WDS]] 19508+0852 |footnote=<ref name="wds">Entry 19508+0852, [http://ad.usno.navy.mil/wds/Webtextfiles/wdsnewframe4.html The Washington Double Star Catalog] {{Webarchive|url=https://web.archive.org/web/20090131051103/http://ad.usno.navy.mil/wds/Webtextfiles/wdsnewframe4.html |date=2009-01-31 }}, [[United States Naval Observatory]]. Accessed online November 25, 2008.</ref> |expanded = yes |centered = yes }} {{Componentbox component |letter = B |primary = A |appmag_v = 9.8 |epoch = 2015 |posang= 286 |angdist= 195.8 |ra = {{RA|19|50|40.5}} |dec = {{DEC|+08|52|13}} |radec_footnote = <ref name="sb1">{{SIMBAD link|CCDM+19508%2B0852B|BD+08 4236B -- Star in double system}}, database entry, [[SIMBAD]]. Accessed online November 25, 2008.</ref> |simbad = CCDM+19508%2B0852B |expanded = yes }} {{Componentbox component |letter = C |primary = A |appmag_v = 10.3 |epoch = 2015 |posang= 110 |angdist= 186.4 |ra = {{RA|19|51|00.8}} |dec = {{DEC|+08|50|58}} |radec_footnote = <ref name="sb2">{{SIMBAD link|CCDM+19508%2B0852C|BD+08 4238 -- Star in double system}}, database entry, [[SIMBAD]]. Accessed online November 25, 2008.</ref> |simbad = CCDM+19508%2B0852C |expanded = yes }} {{Componentbox component |letter = D |primary = A |appmag_v = 11.9 |epoch = 2015 |posang= 105 |angdist= 26.8 |ra = |dec = |radec_footnote = |simbad = |expanded = yes }} {{Componentbox component |letter = E |primary = A |appmag_v = 11.0 |epoch = 2015 |posang= 354 |angdist= 157.3 |ra = |dec = |radec_footnote = |simbad = |expanded = yes }} {{Componentbox component |letter = F |primary = A |appmag_v = 10.3 |epoch = 2015 |posang= 48 |angdist= 292.4 |ra = {{RA|19|51|02.0}} |dec = {{DEC|+08|55|33}} |radec_footnote = |simbad = CCDM+19510%2B0856AB |expanded = yes }} {{Componentbox component |letter = G |primary = A |appmag_v = 13.0 |epoch = 2015 |posang= 121 |angdist= 185.1 |ra = |dec = |radec_footnote = |simbad = |expanded = yes }} {{Componentbox end}}
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