stampa
Login

Filter only those doubles you can observe? Yes, you can!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20276+4202
HDS 2928
HD 195089


Nearby doubles
14' : 20269+4152
A 293

24' : 20256+4155
ARG 92AB

30' : 20300+4149
J 130

31' : 20302+4210
TDT2325

31' : 20298+4143
GRV 344

34' : 20251+4220
TDT2252

38' : 20256+4132
COU2643

38' : 20248+4223
ES 1678

40' : 20311+4203
CAN 25AB

40' : 20264+4125
A 292

42' : 20254+4129
COU2642

43' : 20307+4137
CAN 28AB

45' : 20269+4246
TDT2279

45' : 20238+4146
COU2641

46' : 20315+4148
BRT2265

47' : 20316+4149
TDT2338

48' : 20312+4137
J 1196

48' : 20301+4124
CAN 14AB

49' : 20317+4143
HJ 1530

50' : 20283+4113
TDT2305

51' : 20312+4132
CAN 3AB

52' : 20314+4131
CAN 31AB

53' : 20273+4255
HDS2926

54' : 20323+4152
BU 434

56' : 20274+4107
TDT2288

58' : 20318+4128
CAN 34AB



Selections
Full WDS
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.

20276+4202 HDS 2928 (HD 195089)

 
 
20h 27m 36.77s +42° 02' 07.6" P.A. 15.00 sep 0.2 mag 7.89,8.30 Sp B2IV dist. 787.4 pc (2568.5 l.y.)
 
 
Coord 2000 20276+4202 Discov num HDS2928 Comp Coord arcsec 2000 20 27 36.77 +42 02 07.6
Date first 1991 Date last 2012 Obs 3
Pa first 24 Pa last 14.6 P.A. Now (θ) 14.6°
Sep first 0.2 Sep last 0.173 Sep. Now (ρ) 0.173"
Mag pri 7.89 Mag sec 8.30 delta mag (ΔM) 0.41 Spectral class B2IV (blue-white)
Pri motion ra -003 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 195089 Constellation Cygnus SAO 49653 HIP 100912
Tycho2 3160-01542-1 Gaia DR2 2068097194786212480 HD 195089 GC 28475
BD BD+41 3758 Distance 787.4 Distance ly 2568.5
 
 
WDS 20276+4202 HDS 2928 (HD 195089) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20276+4202 HDS2928 1991 1 24 0.2 7.89 8.30 B2IV 202736.77+420207.6
20276+4202 HDS2928 2007 2 21 0.2 7.89 8.30 B2IV 202736.77+420207.6
20276+4202 HDS2928 2012 3 15 0.2 7.89 8.30 B2IV 202736.77+420207.6

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

 
 
WDS 20276+4202 HDS 2928 (HD 195089) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20276+4202 HDS 2928 (HD 195089) : MEASURES
 
 
No records found.

 
 
WDS 20276+4202 (HD 195089) : VIRTUAL EYEPIECE
 
 

20276+4202 HDS2928A mag 7.89 Sp B2IV 20276+4202 HDS2928B sep 0.2 P.A. 10.90 mag 8.3 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 20276+4202 (HD 195089) : ALADIN DSS IMAGE @ 20h 27m 36.77s +42° 02' 07.6"
 
 
 
 
WDS 20276+4202 HDS 2928 (HD 195089) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20276+4202 HDS2928 distance=0' 20269+4152 A 293 distance=14' 20256+4155 ARG 92AB distance=24' 20300+4149 J 130 distance=30' 20302+4210 TDT2325 distance=31' 20298+4143 GRV 344 distance=31' 20251+4220 TDT2252 distance=34' 20256+4132 COU2643 distance=38' 20248+4223 ES 1678 distance=38' 20311+4203 CAN 2Aa,Ab distance=40' 20311+4203 CAN 25AB distance=40' 20264+4125 A 292 distance=40' 20254+4129 COU2642 distance=42' 20307+4137 CAN 1Aa,Ab distance=43' 20307+4137 CAN 28AB distance=43' 20307+4137 CAN 28AC distance=43' 20307+4137 CAN 28AD distance=43' 20307+4137 CAN 28AE distance=43' 20307+4137 CAN 28AF distance=43' 20307+4137 CAN 28AG distance=43' 20307+4137 CAN 28AH distance=43' 20307+4137 CAN 28AI distance=43' 20307+4137 CAN 28AJ distance=43' 20307+4137 CAN 28AK distance=43' 20307+4137 CAN 28AL distance=43' 20307+4137 CAN 28AM distance=43' 20307+4137 CAN 28AN distance=43' 20307+4137 CAN 28AO distance=43' 20269+4246 TDT2279 distance=45' 20238+4146 COU2641 distance=45' 20315+4148 BRT2265 distance=46' 20316+4149 TDT2338 distance=47' 20312+4137 J 1196 distance=48' 20301+4124 CAN 14AB distance=48' 20301+4124 CAN 14AC distance=48' 20301+4124 CAN 14AD distance=48' 20301+4124 CAN 14AE distance=48' 20301+4124 CAN 14AF distance=48' 20301+4124 CAN 14AG distance=48' 20301+4124 CAN 14AH distance=48' 20301+4124 CAN 14AI distance=48' 20301+4124 CAN 14AJ distance=48' 20301+4124 CAN 14AK distance=48' 20301+4124 CAN 14AL distance=48' 20317+4143 HJ 1530 distance=49' 20283+4113 TDT2305 distance=50' 20312+4132 CAN 3AB distance=51' 20312+4132 CAN 29AC distance=51' 20314+4131 CAN 31AB distance=52' 20314+4131 CAN 31AC distance=52' 20273+4255 HDS2926 distance=53' 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 20276+4202 HDS2928 15 0.2
Show 20269+4152 A 293 119 1.4 14
Show 20256+4155 ARG 92 AB 309 41.7 24
Show 20300+4149 J 130 265 2.5 30
Show 20302+4210 TDT2325 261 2.0 31
Show 20298+4143 GRV 344 34 20.5 31
Show 20251+4220 TDT2252 347 1.8 34
Show 20256+4132 COU2643 108 0.5 38
Show 20248+4223 ES 1678 187 6.6 38
Show 20311+4203 CAN 2 Aa,Ab 258 0.3 40
Show 20311+4203 CAN 25 AB 221 4.2 40
Show 20264+4125 A 292 134 2.1 40
Show 20254+4129 COU2642 321 0.7 42
Show 20307+4137 CAN 1 Aa,Ab 91 0.3 43
Show 20307+4137 CAN 28 AB 336 2.6 43
Show 20307+4137 CAN 28 AC 342 6.0 43
Show 20307+4137 CAN 28 AD 168 7.0 43
Show 20307+4137 CAN 28 AE 337 7.8 43
Show 20307+4137 CAN 28 AF 20 8.2 43
Show 20307+4137 CAN 28 AG 158 9.0 43
Show 20307+4137 CAN 28 AH 284 9.2 43
Show 20307+4137 CAN 28 AI 44 10.1 43
Show 20307+4137 CAN 28 AJ 118 10.1 43
Show 20307+4137 CAN 28 AK 14 10.2 43
Show 20307+4137 CAN 28 AL 104 10.3 43
Show 20307+4137 CAN 28 AM 77 12.0 43
Show 20307+4137 CAN 28 AN 2 13.4 43
Show 20307+4137 CAN 28 AO 281 13.8 43
Show 20269+4246 TDT2279 60 0.9 45
Show 20238+4146 COU2641 279 1.0 45
Show 20315+4148 BRT2265 285 5.4 46
Show 20316+4149 TDT2338 200 2.5 47
Show 20312+4137 J 1196 9 4.7 48
Show 20301+4124 CAN 14 AB 190 4.2 48
Show 20301+4124 CAN 14 AC 99 4.4 48
Show 20301+4124 CAN 14 AD 114 5.6 48
Show 20301+4124 CAN 14 AE 212 6.7 48
Show 20301+4124 CAN 14 AF 316 8.3 48
Show 20301+4124 CAN 14 AG 1 9.5 48
Show 20301+4124 CAN 14 AH 74 9.6 48
Show 20301+4124 CAN 14 AI 356 9.7 48
Show 20301+4124 CAN 14 AJ 17 9.8 48
Show 20301+4124 CAN 14 AK 241 12.6 48
Show 20301+4124 CAN 14 AL 52 12.7 48
Show 20317+4143 HJ 1530 242 16.2 49
Show 20283+4113 TDT2305 227 0.7 50
Show 20312+4132 CAN 3 AB 342 1.2 51
Show 20312+4132 CAN 29 AC 152 6.3 51
Show 20314+4131 CAN 31 AB 116 3.9 52
Show 20314+4131 CAN 31 AC 30 6.0 52
Show 20273+4255 HDS2926 351 0.1 53

 
 
WDS 20276+4202 : COMPONENTS
 
 
  A
B pa=10.9°
sep=0.17"
 
 
20276+4202 A
 
 
Componente originario normalizzato AB Name HD 195089 Coord arcsec 2000 202736.77+420207.6 Mag 7.89
Spectral class B2IV (blue-white) PmRA -3.00 PmDE -6.0 SAO 49653
HIP 100912 Tycho2 3160-01542-1 HD 195089 GC 28475
BD BD+41 3758
Tycho2
Tycho2 3160-01542-1 Pflag RAmdeg 306.90321689 DEmdeg 42.03541351
PmRA -2.9 PmDE -8.2 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 1.0 EpRAm 1991.36 EpDEm 1991.47
Num 13 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.1 BTmag 7.291 E BTmag 0.015 VTmag 7.326
E VTmag 0.010 Prox 999 TYC T HIP 100912
CCDM AB RAdeg 306.90322583 DEdeg 42.03543222 EpRA 1990 1.65
EpDE 1990 1.74 E RAdeg 4.0 E DEdeg 4.0 Posflg P
Corr 0.0
SAO
SAO 49653 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 -0.018 Vmag 7.2 SpType B3
Double code Source 70 CatNum 28475 DM BD+41 3758
DMcomp BDsup HD 195089 M HD 0
GC 28475 RA1950rad 5.34879309 DE1950rad 0.73075241 PmRA2000 0.0004
PmDE2000 -0.02
Hipparcos
Catalog H HIP 100912 Proxy H RAhms 20 27 36.77
DEdms +42 02 07.6 Vmag 7.31 VarFlag R Vmag G
RAdeg 306.903 DEdeg 42.0354 AstroRef * Plx 0.43
CCDM 20276+4202 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 24 Rho 0.178 HD 195089 BD BD+41 3758
CD CP Dm number +41 3758 VIred 0.01
SpType B2IV R SpType Coord arcsec 2000 202736.77+420207.6
Hipparcos 2
HIP 100912 Sn 55 So 3 Nc 2
RArad 5.356471817 DErad 0.733656712 Plx 1.27 PmRA -3.09
PmDE -7.55 E RArad 0.35 E DErad 0.38 E Plx 0.48
E pmRA 0.4 E pmDE 0.42 Hpmag 7.3235 E Hpmag 0.0011
SHp 0.01 VA 0 BV -0.013 E BV 0.005
VI 0.01
CCDM
Ccdm 20276+4202 RComp Comp A Note1
Note2 Discov num DRAs 0.77 DDEs 7.4
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.9 Sp B2 PmNote *
PmRA -3 PmDE -6 Dm number +41 3758 Cat1 BD
Name2 +41 1903 Cat2 AGK2/3 HD 195089 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100912
 
 
20276+4202 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202736.77+420207.8 Mag 8.3 Calc delta mag 0.41
Calc coord yes
CCDM
Ccdm 20276+4202 RComp Comp B Note1
Note2 Discov num HDS DRAs 0.77 DDEs 7.6
R dRAs 82 Year 1991 Theta 24 Rho 0.2
Obs 1 Vmag 8.3 Sp PmNote *
PmRA -3 PmDE -6 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100912