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Doubles in session


Current system
21491+4242
ARG 95


Nearby doubles
13' : 21490+4254
TDT3172

25' : 21474+4256
A 405

31' : 21462+4239
ES 1460AB

34' : 21478+4212
TDT3158

35' : 21490+4316
BRT1152

35' : 21462+4254
COU1979

37' : 21519+4221
HO 172AB

40' : 21511+4209
COU1822AB

40' : 21489+4321
TDT3171

42' : 21490+4323
PKO 16

44' : 21492+4326
PKO 17

46' : 21521+4313
TDT3204

46' : 21454+4258
ES 1459

50' : 21448+4254
TDT3132

54' : 21443+4234
OSO 156AB

56' : 21539+4256
ES 1461

56' : 21443+4256
TDT3129

56' : 21456+4202
TDT3143

58' : 21473+4148
A 404AB

60' : 21541+4307
POP 184

63' : 21525+4332
TDT3212

63' : 21532+4324
GRV 517

68' : 21461+4143
TDT3148

68' : 21489+4349
TDT3170

69' : 21505+4135
TDS1149

69' : 21552+4229
TDT3241



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21491+4242 ARG 95

 
 
21h 49m 07.73s +42° 41' 34.8" P.A. 338.00 sep 23.1 mag 10.31,11.18 Sp A
 
 
Coord 2000 21491+4242 Discov num ARG  95 Comp Coord arcsec 2000 21 49 07.73 +42 41 34.8
Date first 1895 Date last 2018 Obs 16
Pa first 341 Pa last 337.6 P.A. Now (θ) 337.6°
Sep first 24.5 Sep last 23.137 Sep. Now (ρ) 23.137"
Mag pri 10.31 Mag sec 11.18 delta mag (ΔM) 0.87 Spectral class A (white)
Pri motion ra +007 Sec motion ra +003
Pri motion dec +003 Sec motion dec -011
Notes
rPM=1.277
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3192-00232-1 Gaia DR2 1960709680807782144
 
 
WDS 21491+4242 ARG 95 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Arg1857 - Argelander, F. ...................
Arg1857 Oeltzen Argelander Cat -15 to -31, 1857
Arg1862A - Argelander, F. 1862AN.....59....1A
Arg1862A cited by Auwers (AN 59, 1, 1862)
Arg1864 T - Argelander, F. 1864AN.....62R.253A
Arg1864 AN 62, 253, 1864
Arg1865 T - Argelander, F. 1865AN.....65...61A
Arg1865 AN 65, 61, 1865
Arg1880A - Argelander, F. 1880Obs.....3..569G
Arg1880A cited by Gledhill (Obs. 3, 569, 1880)
Arg1906A T - Argelander, F. (BD) 1906QB821.B972.....
Arg1906A cited in BDS (Burnham Double Star Cat., 1906)
Arg1908A T - Argelander, F. 1908JRASC...2..248E
Arg1908A cited by Espin (JRASC 2, 248, 1908) .
Arg1913A T - Argelander, F. (BD) 1913QB811.B8.......
Arg1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Arg1932A T - Argelander, F. (BD) 1932QB821.A43......
Arg1932A cited in ADS (Aitken Double Star Cat., 1932)
Arg1937A - Argelander, F. 1937AnLei..18....1S
Arg1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21491+4242 ARG 95 2000 8 338 23.3 10.31 11.18 A D 214907.73+424134.8
21491+4242 ARG 95 2010 9 338 23.3 10.31 11.18 A D 214907.73+424134.8
21491+4242 ARG 95 2015 12 338 23.1 10.31 11.18 A 214907.73+424134.8
21491+4242 ARG 95 2018 13 338 23.1 10.31 11.18 A 214907.73+424134.8

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

 
 
WDS 21491+4242 ARG 95 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21491+4242 ARG 95 : MEASURES
 
 
No records found.

 
 
WDS 21491+4242 : VIRTUAL EYEPIECE
 
 

21491+4242 ARG 95A mag 10.31 Sp A 21491+4242 ARG 95B sep 22.4 P.A. 343.10 mag 11.18 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21491+4242 : ALADIN DSS IMAGE @ 21h 49m 07.73s +42° 41' 34.8"
 
 
 
 
WDS 21491+4242 ARG 95 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21491+4242 ARG 95 distance=0' 21490+4254 TDT3172 distance=13' 21474+4256 A 405 distance=25' 21462+4239 ES 1460AB distance=31' 21462+4239 ES 1460AC distance=31' 21478+4212 TDT3158 distance=34' 21490+4316 BRT1152 distance=35' 21462+4254 COU1979 distance=35' 21519+4221 HO 172AB distance=37' 21519+4221 HO 172AC distance=37' 21519+4221 HO 172AD distance=37' 21519+4221 FYM 113AE distance=37' 21519+4221 JOD 22BF distance=38' 21511+4209 COU1822AB distance=40' 21489+4321 TDT3171 distance=40' 21490+4323 PKO 16 distance=42' 21492+4326 PKO 17 distance=44' 21521+4313 TDT3204 distance=46' 21454+4258 ES 1459 distance=46' 21448+4254 TDT3132 distance=50' 21443+4234 OSO 156AB distance=54' 21443+4234 OSO 156AC distance=54' 21443+4234 OSO 156AD distance=54' 21539+4256 ES 1461 distance=56' 21443+4256 TDT3129 distance=56' 21456+4202 TDT3143 distance=56' 21473+4148 A 404AB distance=58' 21473+4148 A 404AC distance=58' 21541+4307 POP 184 distance=60' 21525+4332 TDT3212 distance=63' 21532+4324 GRV 517 distance=63' 21461+4143 TDT3148 distance=68' 21489+4349 TDT3170 distance=68' 21505+4135 TDS1149 distance=69' 21552+4229 TDT3241 distance=69' 21548+4310 TDT3234 distance=69' 21556+4241 KPP4258 distance=71' 21531+4339 TDT3215 distance=72' 21427+4303 TDT3117 distance=74' 21533+4144 J 3152 distance=74' 21426+4226 STF2820AB distance=75' 21426+4226 BU 1505AC distance=75' 21426+4226 BU 1505BC distance=75' 21502+4356 TDS1148 distance=75' 21532+4141 DAM 241 distance=76' 21487+4357 GRV 509 distance=77' 21518+4128 KPP4253 distance=80' 21454+4356 HO 168AB distance=85' 21454+4356 HO 168AC distance=85' 21454+4356 HO 168AD distance=85' 21454+4356 HO 168AE distance=85' 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 21491+4242 ARG 95 338 23.1
Show 21490+4254 TDT3172 164 0.4 13
Show 21474+4256 A 405 277 1.9 25
Show 21462+4239 ES 1460 AB 8 1.8 31
Show 21462+4239 ES 1460 AC 238 20.3 31
Show 21478+4212 TDT3158 230 2.7 34
Show 21490+4316 BRT1152 231 6.7 35
Show 21462+4254 COU1979 261 0.4 35
Show 21519+4221 HO 172 AB 82 10.7 37
Show 21519+4221 HO 172 AC 40 89.7 37
Show 21519+4221 HO 172 AD 61 480.9 37
Show 21519+4221 FYM 113 AE 20 64.4 37
Show 21519+4221 JOD 22 BF 48 2.1 38
Show 21511+4209 COU1822 AB 19 0.2 40
Show 21489+4321 TDT3171 286 0.5 40
Show 21490+4323 PKO 16 96 5.9 42
Show 21492+4326 PKO 17 149 13.6 44
Show 21521+4313 TDT3204 30 0.9 46
Show 21454+4258 ES 1459 282 2.3 46
Show 21448+4254 TDT3132 293 2.0 50
Show 21443+4234 OSO 156 AB 331 7.6 54
Show 21443+4234 OSO 156 AC 57 16.1 54
Show 21443+4234 OSO 156 AD 18 22.7 54
Show 21539+4256 ES 1461 352 6.1 56
Show 21443+4256 TDT3129 76 0.9 56
Show 21456+4202 TDT3143 34 0.5 56
Show 21473+4148 A 404 AB 100 3.8 58
Show 21473+4148 A 404 AC 294 14.0 58
Show 21541+4307 POP 184 241 11.6 60
Show 21525+4332 TDT3212 39 1.7 63
Show 21532+4324 GRV 517 212 45.9 63
Show 21461+4143 TDT3148 18 0.4 68
Show 21489+4349 TDT3170 94 1.4 68
Show 21505+4135 TDS1149 285 0.7 69
Show 21552+4229 TDT3241 308 0.7 69
Show 21548+4310 TDT3234 343 2.0 69
Show 21556+4241 KPP4258 257 28.6 71
Show 21531+4339 TDT3215 110 0.8 72
Show 21427+4303 TDT3117 163 0.8 74
Show 21533+4144 J 3152 238 4.6 74
Show 21426+4226 STF2820 AB 230 16.0 75
Show 21426+4226 BU 1505 AC 200 33.6 75
Show 21426+4226 BU 1505 BC 177 21.4 75
Show 21502+4356 TDS1148 97 1.1 75
Show 21532+4141 DAM 241 311 8.0 76
Show 21487+4357 GRV 509 177 56.4 77
Show 21518+4128 KPP4253 269 4.3 80
Show 21454+4356 HO 168 AB 42 0.8 85
Show 21454+4356 HO 168 AC 267 18.7 85
Show 21454+4356 HO 168 AD 21 28.3 85
Show 21454+4356 HO 168 AE 22 28.3 85

 
 
WDS 21491+4242 : COMPONENTS
 
 
  A
B pa=343.1°
sep=22.35"
 
 
21491+4242 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 214907.73+424134.8 Mag 10.31 Spectral class A (white)
PmRA 7.00 PmDE 3.0 Tycho2 3192-00232-1
Tycho2
Tycho2 3192-00232-1 Pflag RAmdeg 327.28220946 DEmdeg 42.69299430
PmRA 3.3 PmDE 4.6 E RAmdeg 18 E DEmdeg 17
E pmRA 1.1 E pmDE 1.1 EpRAm 1987.10 EpDEm 1988.08
Num 7 Q RAmdeg 2.3 Q DEmdeg 0.8 Q pmRA 2.3
Q pmDE 0.7 BTmag 10.673 E BTmag 0.031 VTmag 10.309
E VTmag 0.031 Prox 234 TYC T HIP
CCDM RAdeg 327.28220139 DEdeg 42.69298444 EpRA 1990 1.59
EpDE 1990 1.68 E RAdeg 20.4 E DEdeg 17.7 Posflg
Corr 0.1
CCDM
Ccdm 21491+4242 RComp Comp A Note1
Note2 Discov num DRAs 1.68 DDEs -24.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.3 Sp A PmNote *
PmRA 9 PmDE 14 Dm number +42 4219 Cat1 BD
Name2 +42 2085 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 21451N4214A
HIC
 
 
21491+4242 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214907.14+424156.2 Mag 11.18 PmRA 3.00
PmDE -11.0 Tycho2 3192-00296-1 Calc delta mag 0.87 Calc coord yes
Tycho2
Tycho2 3192-00296-1 Pflag RAmdeg 327.27896072 DEmdeg 42.69901209
PmRA 0.1 PmDE -9.2 E RAmdeg 29 E DEmdeg 32
E pmRA 1.4 E pmDE 1.3 EpRAm 1982.72 EpDEm 1983.28
Num 5 Q RAmdeg 2.1 Q DEmdeg 0.5 Q pmRA 2.1
Q pmDE 0.5 BTmag 11.561 E BTmag 0.058 VTmag 11.184
E VTmag 0.068 Prox 234 TYC T HIP
CCDM RAdeg 327.27896861 DEdeg 42.69903500 EpRA 1990 1.59
EpDE 1990 1.66 E RAdeg 41.3 E DEdeg 36.5 Posflg
Corr 0.1
CCDM
Ccdm 21491+4242 RComp Comp B Note1
Note2 Discov num ARG 95 DRAs DDEs
R dRAs Year 1908 Theta 341 Rho 25.5
Obs 2 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21451N4214B
HIC