20244+2923 HO 457 AC

 
 
20h 24m 21.08s +29° 22' 55.3" P.A. 268.00 sep 28.0 mag 9.08,14.00 Sp A0
 
 
Coord 2000 20244+2923 Discov num HO  457 Comp AC Coord arcsec 2000 20 24 21.08 +29 22 55.3
Date first 1893 Date last 2002 Obs 5
Pa first 271 Pa last 268.4 P.A. Now (θ) 268.4°
Sep first 27.1 Sep last 28.04 Sep. Now (ρ) 28.04"
Mag pri 9.08 Mag sec 14.00 delta mag (ΔM) 4.92 Spectral class A0 (white)
Pri motion ra +036 Sec motion ra +154
Pri motion dec +027 Sec motion dec -022
Notes
rPM=0.821
This double is not physical.
 
 
20244+2923 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 194380 20 24 21 +29 22 55 HO 457 AB 2020 51 61 2.0 9.08 9.18 0.10
Show 20 24 21 +29 22 55 HO 457 AC 2002 5 268 28.0 9.08 14.00 4.92 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Gaia DR2 1860504004986507776
 
 
WDS 20244+2923 HO 457 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20244+2923 HO 457 AC 1997 4 268 28.3 9.08 14.00 A0 D 202421.08+292255.3
20244+2923 HO 457 AC 2002 5 268 28.0 9.08 14.00 A0 D 202421.08+292255.3

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WDS 20244+2923 HO 457 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20244+2923 HO 457 AC : MEASURES
 
 
No records found.

 
 
WDS 20244+2923 : VIRTUAL EYEPIECE
 
 

20244+2923 HO  457A mag 9.08 Sp A0 20244+2923 HO  457B sep 1.8 P.A. 57.90 mag 9.18 20244+2923 HO  457C sep 24.4 P.A. 268.20 mag 14 virtual eyepiece
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Radius:
Components only
 
 
WDS 20244+2923 : ALADIN DSS IMAGE @ 20h 24m 21.08s +29° 22' 55.3"
 
 
 
 
WDS 20244+2923 HO 457 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20244+2923  HO  457AC distance=0' 20240+2935  TDT2237 distance=13' 20227+2930  TDT2218 distance=23' 20242+2900  BU  443AB distance=23' 20242+2900  BU  443AC distance=23' 20242+2900  BU  443AD distance=23' 20261+2910  MLB 479 distance=27' 20223+2946  TDT2213 distance=35' 20242+2958  HDS2916Aa,Ab distance=36' 20242+2958  FMR  87AB distance=36' 20242+2958  FMR  87AC distance=36' 20266+2858  TDT2275 distance=39' 20270+2902  TDT2283 distance=41' 20234+3007  J  1772 distance=46' 20225+3004  TDT2216 distance=49' 20227+2837  COU1169AB distance=52' 20227+2837  COU1169AC distance=52' 20282+2901  TDT2308Aa,Ab distance=56' 20282+2901  ES  504AB distance=56' 20287+2924  MLB 532 distance=58' 20264+2832  TDT2269 distance=58' 20266+2831  TDT2276 distance=61' 20241+2823  AG  404 distance=61' 20257+3022  COU1324 distance=62' 20219+3017  TDT2209 distance=63' 20223+2826  TDT2214 distance=63' 20280+3008  BU   62AB distance=66' 20280+3008  BU   62AC distance=66' 20280+3008  BU   62AD distance=66' 20290+2852  TDT2317 distance=68' 20191+2915  COU1477 distance=69' 20284+3007  OL   75 distance=70' 20291+2956  AG  406 distance=71' 20196+2956  A  1207 distance=71' 20248+3033  ES  363 distance=72' 20250+3034  HDS2921 distance=72' 20273+2820  MLB 774AB distance=75' 20273+2820  MLB 774BC distance=75' 20231+3036  ES  362BC distance=75' 20231+3036  ES  362AB distance=75' 20282+3024  HJ 1517 distance=80' 20281+2819  MLB 662 distance=81' 20182+2912  A  1205 distance=81' 20244+2802  HDS2918 distance=82' 20215+3035  ARY   4AB distance=82' 20188+2849  J  3073 distance=82' 20213+3035  WJD   1 distance=83' 20215+3035  BU 1259Ba,Bb distance=84' 20215+3035  BU 1259BC distance=84' 20180+2913  POP 200 distance=85' 20297+2837  MLB1088 distance=85' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 20244+2923 HO 457 AB 61 2.0
Show 20244+2923 HO 457 AC 268 28.0
Show 20240+2935 TDT2237 155 0.8 13
Show 20227+2930 TDT2218 292 0.4 23
Show 20242+2900 BU 443 AB 151 16.7 23
Show 20242+2900 BU 443 AC 97 33.6 23
Show 20242+2900 BU 443 AD 139 31.6 23
Show 20261+2910 MLB 479 141 6.4 27
Show 20223+2946 TDT2213 229 1.0 35
Show 20242+2958 HDS2916 Aa,Ab 223 0.2 36
Show 20242+2958 FMR 87 AB 50 1.4 36
Show 20242+2958 FMR 87 AC 117 7.8 36
Show 20266+2858 TDT2275 87 0.4 39
Show 20270+2902 TDT2283 355 0.4 41
Show 20234+3007 J 1772 98 2.4 46
Show 20225+3004 TDT2216 133 0.5 49
Show 20227+2837 COU1169 AB 59 0.3 52
Show 20227+2837 COU1169 AC 175 1.7 52
Show 20282+2901 TDT2308 Aa,Ab 343 0.6 56
Show 20282+2901 ES 504 AB 87 5.9 56
Show 20287+2924 MLB 532 351 8.9 58
Show 20264+2832 TDT2269 332 0.4 58
Show 20266+2831 TDT2276 316 0.7 61
Show 20241+2823 AG 404 247 34.4 61
Show 20257+3022 COU1324 202 3.0 62
Show 20219+3017 TDT2209 51 1.7 63
Show 20223+2826 TDT2214 8 1.0 63
Show 20280+3008 BU 62 AB 133 1.2 66
Show 20280+3008 BU 62 AC 179 38.2 66
Show 20280+3008 BU 62 AD 267 46.1 66
Show 20290+2852 TDT2317 323 0.5 68
Show 20191+2915 COU1477 102 0.6 69
Show 20284+3007 OL 75 136 1.8 70
Show 20291+2956 AG 406 333 8.5 71
Show 20196+2956 A 1207 351 0.6 71
Show 20248+3033 ES 363 277 3.1 72
Show 20250+3034 HDS2921 358 0.8 72
Show 20273+2820 MLB 774 AB 63 44.1 75
Show 20273+2820 MLB 774 BC 279 4.3 75
Show 20231+3036 ES 362 BC 270 5.1 75
Show 20231+3036 ES 362 AB 232 10.8 75
Show 20282+3024 HJ 1517 105 13.1 80
Show 20281+2819 MLB 662 42 3.4 81
Show 20182+2912 A 1205 96 1.2 81
Show 20244+2802 HDS2918 228 0.2 82
Show 20215+3035 ARY 4 AB 287 134.9 82
Show 20188+2849 J 3073 16 4.5 82
Show 20213+3035 WJD 1 262 8.8 83
Show 20215+3035 BU 1259 Ba,Bb 191 0.2 84
Show 20215+3035 BU 1259 BC 356 10.3 84
Show 20180+2913 POP 200 205 6.4 85

 
 
WDS 20244+2923 : COMPONENTS
 
 
  A B
B pa=57.9°
sep=1.79"
 
C pa=268.2°
sep=24.44"
pa=266.2°
sep=25.99"
 
 
20244+2923 A
 
 
Name HD 194380 Coord arcsec 2000 202421.08+292255.3 Mag 9.08 Spectral class A0 (white)
PmRA 7.00 PmDE 3.0
CCDM
Ccdm 20244+2923 RComp Comp A Note1
Note2 Discov num DRAs -2.89 DDEs -5.3
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.2 Sp A0 PmNote *
PmRA -5 PmDE -11 Dm number +28 3738 Cat1 BD
Name2 +29 2322 Cat2 AGK2/3 HD 194380 M HD
ADS BDS A13818 M ADS BDS N IDS IDS 20202N2903A
HIC
 
 
20244+2923 B
 
 
Coord arcsec 2000 202421.20+292256.3 Mag 9.18 Calc delta mag 0.1 Calc coord yes
CCDM
Ccdm 20244+2923 RComp Comp B Note1
Note2 Discov num HO 457 DRAs DDEs
R dRAs Year 1892 Theta 061 Rho 2.1
Obs 25 Vmag 9.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13818 M ADS BDS N IDS IDS 20202N2903B
HIC
 
 
20244+2923 C
 
 
Coord arcsec 2000 202419.21+292254.5 Mag 14 PmRA 154.00 PmDE -22.0
Calc delta mag 4.92 Calc coord yes
CCDM
Ccdm 20244+2923 RComp Comp C Note1
Note2 Discov num HO 457 DRAs DDEs
R dRAs Year 1893 Theta 271 Rho 26.9
Obs 5 Vmag 13.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13818 M ADS BDS N IDS IDS 20202N2903C
HIC