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Doubles in session


Current system
20279+0958
AG 256 AB
HD 194936


Nearby doubles
15' : 20271+0948
J 559

20' : 20270+1008
J 1343

22' : 20269+1013
TDT2282

29' : 20292+1019
J 3264

29' : 20289+1022
J 3263

33' : 20298+0941
AST 2AB

34' : 20297+1018
STF2686

35' : 20280+0923
TDT2300

35' : 20265+0931
UC 4185

37' : 20293+1029
J 3088

39' : 20294+1029
DAM 214

41' : 20295+1033
J 3089

43' : 20254+0938
VKI 37

48' : 20250+1016
HJ 1509

50' : 20303+0917
J 1883

55' : 20301+0914
GRV 345

64' : 20259+0902
J 3084

66' : 20245+0916
HJ 2959

67' : 20303+1054
BU 63AB

69' : 20325+0951
UC 4209

70' : 20264+1103
BPM2159AB

71' : 20232+0957
TDT2229

71' : 20260+1102
BPM2156AB

73' : 20301+1103
BPM2176

74' : 20285+1110
BPM2171

74' : 20326+1024
J 3092



Selections
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Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20279+0958 AG 256 AB (HD 194936)

 
 
20h 27m 55.81s +09° 57' 34.9" P.A. 351.00 sep 5.2 mag 9.44,10.61 Sp A2
 
 
Coord 2000 20279+0958 Discov num AG  256 Comp AB Coord arcsec 2000 20 27 55.81 +09 57 34.9
Date first 1895 Date last 2018 Obs 27
Pa first 355 Pa last 351.4 P.A. Now (θ) 351.4°
Sep first 5.8 Sep last 5.214 Sep. Now (ρ) 5.214"
Mag pri 9.44 Mag sec 10.61 delta mag (ΔM) 1.17 Spectral class A2 (white)
Pri motion ra +010 Sec motion ra +012
Pri motion dec +001 Sec motion dec +001
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.166 (< 0.3, Physical double)
This double is physical.
 
 
20279+0958 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 194936 20 27 56 +09 57 35 AG 256 AB 2018 27 351 5.2 9.44 10.61 1.17 <===
Show 20 27 56 +09 57 35 AG 256 AC 2015 12 225 99.2 9.44 11.14 1.70
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194936 Constellation Delphinus Tycho2 1091-01624-1 Gaia DR2 1753624980773496064
HD 194936
 
 
WDS 20279+0958 AG 256 AB (HD 194936) : NOTES
 
 
discov_num notes refcode
AG 256 1s f and 7' n of BD-07 5308. Doo1915a
 
 
REFERENCES
 
 
refcode metd author reference
Doo1915a Ma - Doolittle, E. 1915MNRAS..75..666D
Doo1915a MNRAS 75, 666, 1915
 
 
DISCOVERER
 
 
idgroup discov author
1 AG Astronomische Gesellschaft (see also ref codes KR and WFD)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20279+0958 AG 256 AB 2000 17 352 4.9 9.44 10.61 A2 D 202755.81+095734.9
20279+0958 AG 256 AB 2010 18 352 4.9 9.44 10.61 A2 D 202755.81+095734.9
20279+0958 AG 256 AB 2011 19 351 5.0 9.44 10.61 A2 N D 202755.81+095734.9
20279+0958 AG 256 AB 2016 22 352 5.1 9.44 10.61 A2 N 202755.81+095734.9
20279+0958 AG 256 AB 2018 26 351 5.2 9.44 10.61 A2 N 202755.81+095734.9

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20279+0958 AG 256 AB (HD 194936) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20279+0958 AG 256 AB (HD 194936) : MEASURES
 
 
No records found.

 
 
WDS 20279+0958 (HD 194936) : VIRTUAL EYEPIECE
 
 

20279+0958 AG 256A mag 9.44 Sp A2 20279+0958 AG 256B sep 5.2 P.A. 351.50 mag 10.61 20279+0958 AG 256C sep 98.4 P.A. 224.90 mag 11.14 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20279+0958 (HD 194936) : ALADIN DSS IMAGE @ 20h 27m 55.81s +09° 57' 34.9"
 
 
 
 
WDS 20279+0958 AG 256 AB (HD 194936) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20279+0958 AG 256AB distance=0' 20271+0948 J 559 distance=15' 20270+1008 J 1343 distance=20' 20269+1013 TDT2282 distance=22' 20292+1019 J 3264 distance=29' 20289+1022 J 3263 distance=29' 20298+0941 AST 2AB distance=33' 20298+0941 CRC 37AD distance=33' 20297+1018 STF2686 distance=34' 20280+0923 TDT2300 distance=35' 20265+0931 UC 4185 distance=35' 20293+1029 J 3088 distance=37' 20294+1029 DAM 214 distance=39' 20295+1033 J 3089 distance=41' 20254+0938 VKI 37 distance=43' 20250+1016 HJ 1509 distance=48' 20303+0917 J 1883 distance=50' 20301+0914 GRV 345 distance=55' 20259+0902 J 3084 distance=64' 20245+0916 HJ 2959 distance=66' 20303+1054 BU 63AB distance=67' 20303+1054 BU 297AC distance=67' 20325+0951 UC 4209 distance=69' 20264+1103 BPM2159AB distance=70' 20264+1103 BPM2160AC distance=70' 20232+0957 TDT2229 distance=71' 20260+1102 BPM2157BC distance=71' 20260+1102 BPM2156AB distance=71' 20301+1103 BPM2176 distance=73' 20285+1110 BPM2171 distance=74' 20326+1024 J 3092 distance=74' 20308+1059 BPM2179 distance=75' 20231+0935 DAM 213 distance=75' 20263+1109 UC 4181 distance=75' 20230+0929 J 2572 distance=77' 20288+1114 UC 4195 distance=78' 20270+1116 HJ 268 distance=80' 20292+0840 GWP2959 distance=80' 20253+0847 NSN 732 distance=81' 20322+1054 LDS4848 distance=82' 20224+0959 TDS1065 distance=82' 20250+1108 BPM2146 distance=84' 20221+0959 TDT2210 distance=86' 20236+1059 GWP2943 distance=89' 20325+0858 HJ 2976 distance=91' 20239+1107 BPM2142 distance=92' 20312+1116 CHR 99Aa,Ab distance=92' 20312+1116 STF2690A,BC distance=92' 20312+1116 HJ 269AD distance=92' 20312+1116 DA 1BC distance=92' 20269+0826 LDS4843 distance=94' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20279+0958 AG 256 AB 351 5.2
Show 20279+0958 AG 256 AC 225 99.2
Show 20271+0948 J 559 295 2.0 15
Show 20270+1008 J 1343 53 2.3 20
Show 20269+1013 TDT2282 258 3.1 22
Show 20292+1019 J 3264 358 5.9 29
Show 20289+1022 J 3263 54 7.1 29
Show 20298+0941 AST 2 AB 94 0.2 33
Show 20298+0941 CRC 37 AD 201 9.2 33
Show 20297+1018 STF2686 278 25.8 34
Show 20280+0923 TDT2300 101 0.5 35
Show 20265+0931 UC 4185 277 7.7 35
Show 20293+1029 J 3088 79 7.3 37
Show 20294+1029 DAM 214 298 5.3 39
Show 20295+1033 J 3089 317 4.6 41
Show 20254+0938 VKI 37 103 2.8 43
Show 20250+1016 HJ 1509 180 19.2 48
Show 20303+0917 J 1883 116 6.5 50
Show 20301+0914 GRV 345 215 38.5 55
Show 20259+0902 J 3084 87 6.0 64
Show 20245+0916 HJ 2959 262 7.4 66
Show 20303+1054 BU 63 AB 347 0.9 67
Show 20303+1054 BU 297 AC 340 16.9 67
Show 20325+0951 UC 4209 15 92.1 69
Show 20264+1103 BPM2159 AB 65 36.6 70
Show 20264+1103 BPM2160 AC 152 67.7 70
Show 20232+0957 TDT2229 227 1.2 71
Show 20260+1102 BPM2157 BC 109 117.7 71
Show 20260+1102 BPM2156 AB 73 53.8 71
Show 20301+1103 BPM2176 280 53.7 73
Show 20285+1110 BPM2171 30 40.3 74
Show 20326+1024 J 3092 336 5.3 74
Show 20308+1059 BPM2179 29 77.2 75
Show 20231+0935 DAM 213 8.5 75
Show 20263+1109 UC 4181 356 86.7 75
Show 20230+0929 J 2572 280 4.0 77
Show 20288+1114 UC 4195 275 70.0 78
Show 20270+1116 HJ 268 248 20.5 80
Show 20292+0840 GWP2959 280 37.8 80
Show 20253+0847 NSN 732 235 3.3 81
Show 20322+1054 LDS4848 143 251.1 82
Show 20224+0959 TDS1065 22 1.3 82
Show 20250+1108 BPM2146 49 87.4 84
Show 20221+0959 TDT2210 69 0.5 86
Show 20236+1059 GWP2943 132 13.2 89
Show 20325+0858 HJ 2976 266 18.8 91
Show 20239+1107 BPM2142 53 34.9 92
Show 20312+1116 CHR 99 Aa,Ab 142 0.4 92
Show 20312+1116 STF2690 A,BC 255 17.8 92
Show 20312+1116 HJ 269 AD 108 23.0 92
Show 20312+1116 DA 1 BC 184 0.3 92

 
 
WDS 20279+0958 : COMPONENTS
 
 
  A B
B pa=351.5°
sep=5.21"
 
C pa=224.9°
sep=98.43"
pa=222.5°
sep=101.63"
 
 
20279+0958 A
 
 
Name HD 194936 Coord arcsec 2000 202755.81+095734.9 Mag 9.44 Spectral class A2 (white)
PmRA 10.00 PmDE 1.0 Tycho2 1091-01624-1 HD 194936
Tycho2
Tycho2 1091-01624-1 Pflag RAmdeg 306.98254427 DEmdeg 9.95971666
PmRA 13.4 PmDE -13.1 E RAmdeg 11 E DEmdeg 10
E pmRA 2.5 E pmDE 2.5 EpRAm 1991.62 EpDEm 1991.40
Num 4 Q RAmdeg 0.9 Q DEmdeg 3.4 Q pmRA 1.0
Q pmDE 3.4 BTmag 9.641 E BTmag 0.021 VTmag 9.442
E VTmag 0.019 Prox 51 TYC T HIP
CCDM RAdeg 306.98251361 DEdeg 9.95974694 EpRA 1990 1.92
EpDE 1990 1.66 E RAdeg 11.1 E DEdeg 10.2 Posflg
Corr -0.3
 
 
20279+0958 B
 
 
Coord arcsec 2000 202755.76+095740.1 Mag 10.61 PmRA 12.00 PmDE 1.0
Tycho2 1091-01624-2 Calc delta mag 1.17 Calc coord yes
Tycho2
Tycho2 1091-01624-2 Pflag RAmdeg 306.98232156 DEmdeg 9.96115167
PmRA 11.1 PmDE 5.1 E RAmdeg 32 E DEmdeg 36
E pmRA 3.2 E pmDE 3.1 EpRAm 1990.83 EpDEm 1990.10
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 11.103 E BTmag 0.055 VTmag 10.615
E VTmag 0.050 Prox 51 TYC T HIP
CCDM RAdeg 306.98229639 DEdeg 9.96113972 EpRA 1990 1.90
EpDE 1990 1.57 E RAdeg 32.3 E DEdeg 35.9 Posflg
Corr -0.4
 
 
20279+0958 C
 
 
Coord arcsec 2000 202751.11+095625.1 Mag 11.14 PmRA 1.00 PmDE -5.0
Tycho2 1091-01015-1 Calc delta mag 1.7 Calc coord yes
Tycho2
Tycho2 1091-01015-1 Pflag RAmdeg 306.96269098 DEmdeg 9.94041066
PmRA 1.2 PmDE -4.7 E RAmdeg 43 E DEmdeg 38
E pmRA 2.5 E pmDE 2.4 EpRAm 1988.30 EpDEm 1988.38
Num 3 Q RAmdeg 0.7 Q DEmdeg 0.6 Q pmRA 0.7
Q pmDE 0.6 BTmag 11.468 E BTmag 0.063 VTmag 11.144
E VTmag 0.074 Prox 989 TYC HIP
CCDM RAdeg 306.96268833 DEdeg 9.94042139 EpRA 1990 1.94
EpDE 1990 1.69 E RAdeg 44.2 E DEdeg 38.8 Posflg
Corr -0.2