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Doubles in session


Current system
20204+4021
TDT 2186
HD 228996


Nearby doubles
11' : 20207+4031
TDT2193

21' : 20210+4041
TDT2199

23' : 20199+4000
MLB1015

23' : 20203+3958
BRT2260

25' : 20198+3958
MLB1014

26' : 20184+4033
ARN 49

29' : 20221+4042
ES 1676

32' : 20177+4030
HDS2897

34' : 20176+4020
BRT2259

34' : 20215+3950
SEI1103

35' : 20231+4037
TDT2228

35' : 20181+4044
STF2666AB

38' : 20183+3953
BKO 822

39' : 20184+3950
A 1424

40' : 20178+3956
HJ 2951AB

40' : 20170+4017
CNT 5

40' : 20189+3945
COU2537

40' : 20169+4022
BU 661AB

41' : 20232+4046
ES 1677

41' : 20231+4047
J 787AB

41' : 20231+4048
GRF 15

45' : 20232+4052
CIA 46

46' : 20192+3938
ES 2051

48' : 20197+4108
STTA205

48' : 20199+3933
HO 593

49' : 20244+4002
MLB 21



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

20204+4021 TDT 2186 (HD 228996)

 
 
20h 20m 25.03s +40° 21' 02.7" P.A. 349.00 sep 0.5 mag 11.05,11.32 Sp F8
 
 
Coord 2000 20204+4021 Discov num TDT2186 Comp Coord arcsec 2000 20 20 25.03 +40 21 02.7
Date first 1991 Date last 1991 Obs 1
Pa first 349 Pa last 348.6 P.A. Now (θ) 348.6°
Sep first 0.5 Sep last 0.49 Sep. Now (ρ) 0.49"
Mag pri 11.05 Mag sec 11.32 delta mag (ΔM) 0.27 Spectral class F8 (yellow-white)
Pri motion ra +000 Sec motion ra +000
Pri motion dec -016 Sec motion dec -016
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228996 Constellation Cygnus Tycho2 3156-01953-1 Gaia DR2 2068279713716898048
HD 228996
 
 
WDS 20204+4021 TDT 2186 (HD 228996) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20204+4021 TDT2186 1991 1 349 0.5 11.05 11.32 202025.03+402102.7

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

 
 
WDS 20204+4021 TDT 2186 (HD 228996) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20204+4021 TDT 2186 (HD 228996) : MEASURES
 
 
No records found.

 
 
WDS 20204+4021 (HD 228996) : VIRTUAL EYEPIECE
 
 

20204+4021 TDT2186A mag 11.05 Sp F8 20204+4021 TDT2186B sep 0.5 P.A. 351.30 mag 11.32 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 20204+4021 (HD 228996) : ALADIN DSS IMAGE @ 20h 20m 25.03s +40° 21' 02.7"
 
 
 
 
WDS 20204+4021 TDT 2186 (HD 228996) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20204+4021 TDT2186 distance=0' 20207+4031 TDT2193 distance=11' 20210+4041 TDT2199 distance=21' 20222+4015 BU 665A,BC (Sadr) distance=22' 20222+4015 BU 665BC,D distance=22' 20222+4015 BU 665BC distance=22' 20199+4000 MLB1015 distance=23' 20203+3958 BRT2260 distance=23' 20198+3958 MLB1014 distance=25' 20184+4033 ARN 49 distance=26' 20221+4042 ES 1676 distance=29' 20177+4030 HDS2897 distance=32' 20176+4020 BRT2259 distance=34' 20215+3950 SEI1103 distance=34' 20231+4037 TDT2228 distance=35' 20181+4044 STF2666CD distance=35' 20181+4044 CHR 96Aa,Ab distance=35' 20181+4044 STF2666AB distance=35' 20181+4044 STF2666AC distance=35' 20181+4044 TAR 5AD distance=35' 20183+3953 BKO 822 distance=38' 20184+3950 A 1424 distance=39' 20178+3956 HJ 2951AB distance=40' 20178+3956 FOX9014AC distance=40' 20170+4017 CNT 5 distance=40' 20189+3945 COU2537 distance=40' 20169+4022 BU 661AB distance=40' 20169+4022 BU 661AC distance=40' 20232+4046 ES 1677 distance=41' 20231+4047 J 787AB distance=41' 20231+4047 J 787AC distance=41' 20231+4047 J 787AD distance=41' 20231+4047 J 787CD distance=41' 20231+4048 GRF 15 distance=41' 20232+4052 CIA 46 distance=45' 20192+3938 ES 2051 distance=46' 20197+4108 STTA205 distance=48' 20199+3933 HO 593 distance=48' 20244+4002 MLB 21 distance=49' 20163+4007 MLB1013 distance=50' 20248+4009 HO 278 distance=52' 20158+4024 TDS1055 distance=53' 20209+3928 HO 127 distance=53' 20187+4113 COU2640 distance=56' 20203+3924 A 1427AB distance=57' 20203+3924 STF2668AB,C distance=57' 20168+3942 DAM1040FG distance=57' 20168+3942 STF2663AB distance=58' 20168+3942 CTT 21AC distance=58' 20168+3942 DAM1040AF distance=58' 20254+4014 MLR 1 distance=58' 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 20204+4021 TDT2186 349 0.5
Show 20207+4031 TDT2193 288 1.2 11
Show 20210+4041 TDT2199 122 0.8 21
Show Sadr 20222+4015 BU 665 A,BC 197 147.1 22
Show 20222+4015 BU 665 BC,D 131 41.0 22
Show 20222+4015 BU 665 BC 302 1.9 22
Show 20199+4000 MLB1015 89 4.0 23
Show 20203+3958 BRT2260 9 3.2 23
Show 20198+3958 MLB1014 241 7.6 25
Show 20184+4033 ARN 49 313 30.2 26
Show 20221+4042 ES 1676 285 2.4 29
Show 20177+4030 HDS2897 273 0.3 32
Show 20176+4020 BRT2259 29 1.4 34
Show 20215+3950 SEI1103 223 17.0 34
Show 20231+4037 TDT2228 242 0.4 35
Show 20181+4044 STF2666 CD 142 24.1 35
Show 20181+4044 CHR 96 Aa,Ab 151 0.1 35
Show 20181+4044 STF2666 AB 245 2.8 35
Show 20181+4044 STF2666 AC 207 34.0 35
Show 20181+4044 TAR 5 AD 181 49.6 35
Show 20183+3953 BKO 822 60 7.1 38
Show 20184+3950 A 1424 46 1.1 39
Show 20178+3956 HJ 2951 AB 125 10.8 40
Show 20178+3956 FOX9014 AC 61 24.4 40
Show 20170+4017 CNT 5 331 5.9 40
Show 20189+3945 COU2537 295 0.8 40
Show 20169+4022 BU 661 AB 69 12.3 40
Show 20169+4022 BU 661 AC 217 111.7 40
Show 20232+4046 ES 1677 270 7.4 41
Show 20231+4047 J 787 AB 165 2.6 41
Show 20231+4047 J 787 AC 112 9.5 41
Show 20231+4047 J 787 AD 293 15.8 41
Show 20231+4047 J 787 CD 292 25.3 41
Show 20231+4048 GRF 15 139 199.3 41
Show 20232+4052 CIA 46 14 0.0 45
Show 20192+3938 ES 2051 306 4.9 46
Show 20197+4108 STTA205 321 45.5 48
Show 20199+3933 HO 593 313 5.0 48
Show 20244+4002 MLB 21 15 8.8 49
Show 20163+4007 MLB1013 160 4.0 50
Show 20248+4009 HO 278 70 0.1 52
Show 20158+4024 TDS1055 163 0.9 53
Show 20209+3928 HO 127 94 1.9 53
Show 20187+4113 COU2640 265 0.5 56
Show 20203+3924 A 1427 AB 132 0.2 57
Show 20203+3924 STF2668 AB,C 280 3.5 57
Show 20168+3942 DAM1040 FG 225 3.5 57
Show 20168+3942 STF2663 AB 322 5.4 58
Show 20168+3942 CTT 21 AC 188 103.0 58
Show 20168+3942 DAM1040 AF 123 22.3 58
Show 20254+4014 MLR 1 213 0.4 58

 
 
WDS 20204+4021 : COMPONENTS
 
 
  A
B pa=351.3°
sep=0.49"
 
 
20204+4021 A
 
 
Componente originario normalizzato AB Name HD 228996 Coord arcsec 2000 202025.03+402102.7 Mag 11.05
Spectral class F8 (yellow-white) PmRA 0.00 PmDE -16.0 Tycho2 3156-01953-1
HD 228996
Tycho2
Tycho2 3156-01953-1 Pflag RAmdeg 305.10423981 DEmdeg 40.35079805
PmRA -0.1 PmDE -15.9 E RAmdeg 38 E DEmdeg 38
E pmRA 1.4 E pmDE 1.3 EpRAm 1975.52 EpDEm 1975.00
Num 6 Q RAmdeg 1.1 Q DEmdeg 2.1 Q pmRA 1.1
Q pmDE 2.2 BTmag 10.992 E BTmag 0.048 VTmag 10.570
E VTmag 0.045 Prox 999 TYC T HIP
CCDM RAdeg 305.10428278 DEdeg 40.35084500 EpRA 1990 1.66
EpDE 1990 1.73 E RAdeg 99.2 E DEdeg 100.9 Posflg
Corr 0.0
 
 
20204+4021 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202025.02+402103.2 Mag 11.32 PmRA 0.00
PmDE -16.0 Calc delta mag 0.27 Calc coord yes