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Doubles in session


Current system
20042+4645
HDS 2861
HD 190698


Nearby doubles
20' : 20048+4626
TDT1954

30' : 20070+4642
KPP 455

34' : 20017+4623
KOI3729

38' : 20014+4620
KOI7223AB

44' : 20084+4650
TDT2013

47' : 20022+4602
KOI4226

47' : 20003+4621
A 719

49' : 19595+4649
KOI6214

50' : 20085+4622
A 721

50' : 19596+4629
BRT2249

53' : 20071+4602
TDT1992

53' : 19591+4653
KOI1966

54' : 20009+4603
KOI4173

56' : 19587+4644
KOI7254

58' : 20017+4553
KOI5661AB

59' : 20079+4600
HDS2869

60' : 20025+4547
KOI2096

61' : 20070+4737
TDS1042

61' : 20023+4547
LDS6338AB

63' : 20030+4543
KOI4910

63' : 19596+4603
KOI2029

64' : 19594+4604
KOI5686

64' : 19588+4718
KOI1075

65' : 20099+4618
BRT2255

66' : 19588+4721
STF2611

67' : 20000+4737
CBL 81



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.

20042+4645 HDS 2861 (HD 190698)

 
 
20h 04m 09.90s +46° 44' 30.5" P.A. 109.00 sep 16.7 mag 9.68,10.72 Sp A dist. 595.24 pc (1941.67 l.y.)
 
 
Coord 2000 20042+4645 Discov num HDS2861 Comp Coord arcsec 2000 20 04 09.90 +46 44 30.5
Date first 1892 Date last 2015 Obs 14
Pa first 108 Pa last 109.2 P.A. Now (θ) 109.2°
Sep first 16.4 Sep last 16.687 Sep. Now (ρ) 16.687"
Mag pri 9.68 Mag sec 10.72 delta mag (ΔM) 1.04 Spectral class A (white)
Pri motion ra -005 Sec motion ra -006
Pri motion dec -004 Sec motion dec -008
Notes
rPM=0.412
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 190698 Constellation Cygnus SAO 49144 HIP 98827
Tycho2 3559-00113-1 Gaia DR2 2085732914625399040 HD 190698 BD BD+46 2842
Distance 595.24 Distance ly 1941.67
 
 
WDS 20042+4645 HDS 2861 (HD 190698) : 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
20042+4645 HDS2861 1998 7 109 16.7 9.68 10.72 A D 200409.90+464430.5
20042+4645 HDS2861 2008 8 109 16.8 9.68 10.72 A D 200409.90+464430.5
20042+4645 HDS2861 2010 10 109 16.6 9.68 10.72 A 200409.90+464430.5
20042+4645 HDS2861 2015 14 109 16.7 9.68 10.72 A 200409.90+464430.5

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

 
 
WDS 20042+4645 HDS 2861 (HD 190698) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20042+4645 HDS 2861 (HD 190698) : MEASURES
 
 
No records found.

 
 
WDS 20042+4645 (HD 190698) : VIRTUAL EYEPIECE
 
 

20042+4645 HDS2861A mag 9.68 Sp A 20042+4645 HDS2861B sep 12.1 P.A. 116.90 mag 10.72 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20042+4645 (HD 190698) : ALADIN DSS IMAGE @ 20h 04m 09.90s +46° 44' 30.5"
 
 
 
 
WDS 20042+4645 HDS 2861 (HD 190698) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20042+4645 HDS2861 distance=0' 20048+4626 TDT1954 distance=20' 20070+4642 KPP 455 distance=30' 20017+4623 KOI3729 distance=34' 20014+4620 KOI7223AB distance=38' 20014+4620 KOI7223AC distance=38' 20084+4650 TDT2013 distance=44' 20022+4602 KOI4226 distance=47' 20003+4621 A 719 distance=47' 19595+4649 KOI6214 distance=49' 20085+4622 A 721 distance=50' 19596+4629 BRT2249 distance=50' 20071+4602 TDT1992 distance=53' 19591+4653 KOI1966 distance=53' 20009+4603 KOI4173 distance=54' 19587+4644 KOI7254 distance=56' 20017+4553 KOI5661AB distance=58' 20017+4553 KOI5661AC distance=58' 20079+4600 HDS2869 distance=59' 20025+4547 KOI2096 distance=60' 20070+4737 TDS1042 distance=61' 20023+4547 LDS6338AB distance=61' 20030+4543 KOI4910 distance=63' 19596+4603 KOI2029 distance=63' 19594+4604 KOI5686 distance=64' 19588+4718 KOI1075 distance=64' 20099+4618 BRT2255 distance=65' 19588+4721 STF2611 distance=66' 20000+4737 CBL 81 distance=67' 20014+4544 KOI5655AB distance=67' 20014+4544 KOI5655AC distance=67' 19596+4556 RAP 18 distance=68' 19584+4607 KOI6206AB distance=71' 19584+4607 KOI6206AC distance=71' 19584+4606 KOI6070 distance=71' 19573+4648 HJ 1460 distance=71' 19576+4711 DEA 366 distance=73' 19595+4548 HJ 1463 distance=73' 19587+4558 KOI1397AB distance=73' 19587+4558 KOI1397AC distance=73' 19587+4558 KOI1397AD distance=73' 19587+4558 KOI1397AE distance=73' 19587+4558 KOI1397AF distance=73' 19583+4727 KOI3908AB distance=74' 19583+4727 KOI3908AC distance=74' 19583+4727 KOI3908AD distance=74' 19583+4727 KOI3908AE distance=74' 19583+4727 KOI3908AF distance=74' 19593+4546 HDS2846AB distance=77' 19593+4546 GII 287Aa,Ab distance=77' 20112+4714 TDT2059 distance=78' 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 20042+4645 HDS2861 109 16.7
Show 20048+4626 TDT1954 287 0.5 20
Show 20070+4642 KPP 455 7 4.8 30
Show 20017+4623 KOI3729 243 3.9 34
Show 20014+4620 KOI7223 AB 329 4.0 38
Show 20014+4620 KOI7223 AC 93 3.8 38
Show 20084+4650 TDT2013 29 2.8 44
Show 20022+4602 KOI4226 269 2.5 47
Show 20003+4621 A 719 109 3.0 47
Show 19595+4649 KOI6214 212 3.8 49
Show 20085+4622 A 721 43 4.0 50
Show 19596+4629 BRT2249 43 3.1 50
Show 20071+4602 TDT1992 121 1.4 53
Show 19591+4653 KOI1966 245 3.7 53
Show 20009+4603 KOI4173 57 3.4 54
Show 19587+4644 KOI7254 117 4.2 56
Show 20017+4553 KOI5661 AB 168 3.4 58
Show 20017+4553 KOI5661 AC 29 3.7 58
Show 20079+4600 HDS2869 4 2.9 59
Show 20025+4547 KOI2096 15 3.4 60
Show 20070+4737 TDS1042 14 1.1 61
Show 20023+4547 LDS6338 AB 99 11.9 61
Show 20030+4543 KOI4910 137 2.8 63
Show 19596+4603 KOI2029 123 5.9 63
Show 19594+4604 KOI5686 327 2.9 64
Show 19588+4718 KOI1075 93 1.1 64
Show 20099+4618 BRT2255 247 5.2 65
Show 19588+4721 STF2611 208 5.2 66
Show 20000+4737 CBL 81 257 44.0 67
Show 20014+4544 KOI5655 AB 49 3.4 67
Show 20014+4544 KOI5655 AC 336 3.9 67
Show 19596+4556 RAP 18 238 3.3 68
Show 19584+4607 KOI6206 AB 359 3.3 71
Show 19584+4607 KOI6206 AC 42 3.8 71
Show 19584+4606 KOI6070 100 3.2 71
Show 19573+4648 HJ 1460 86 7.1 71
Show 19576+4711 DEA 366 279 17.1 73
Show 19595+4548 HJ 1463 311 8.8 73
Show 19587+4558 KOI1397 AB 212 0.0 73
Show 19587+4558 KOI1397 AC 61 1.7 73
Show 19587+4558 KOI1397 AD 229 2.3 73
Show 19587+4558 KOI1397 AE 155 3.5 73
Show 19587+4558 KOI1397 AF 264 3.6 73
Show 19583+4727 KOI3908 AB 43 0.0 74
Show 19583+4727 KOI3908 AC 103 1.7 74
Show 19583+4727 KOI3908 AD 123 3.5 74
Show 19583+4727 KOI3908 AE 93 4.4 74
Show 19583+4727 KOI3908 AF 82 5.4 74
Show 19593+4546 HDS2846 AB 236 0.8 77
Show 19593+4546 GII 287 Aa,Ab 119 0.1 77
Show 20112+4714 TDT2059 177 0.8 78

 
 
WDS 20042+4645 : COMPONENTS
 
 
  A
B pa=116.9°
sep=12.11"
 
 
20042+4645 A
 
 
Componente originario normalizzato AB Name HD 190698 Coord arcsec 2000 200409.90+464430.5 Mag 9.68
Spectral class A (white) PmRA -5.00 PmDE -4.0 SAO 49144
HIP 98827 Tycho2 3559-00113-1 HD 190698 BD BD+46 2842
Tycho2
Tycho2 3559-00113-1 Pflag RAmdeg 301.04123723 DEmdeg 46.74180503
PmRA -5.8 PmDE -2.9 E RAmdeg 12 E DEmdeg 12
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.06 EpDEm 1989.80
Num 8 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 1.0
Q pmDE 0.6 BTmag 9.694 E BTmag 0.021 VTmag 9.679
E VTmag 0.024 Prox 168 TYC T HIP 98827
CCDM A RAdeg 301.04125444 DEdeg 46.74181139 EpRA 1990 1.67
EpDE 1990 1.70 E RAdeg 11.8 E DEdeg 12.5 Posflg
Corr 0.0
SAO
SAO 49144 DelFlag RA1950 PmRA1950 -0.0038
DE1950 PmDE1950 -0.004 Vmag 9 SpType A
Double code Source 3 CatNum 1561 DM BD+46 2842
DMcomp BDsup HD 190698 M HD 0
GC RA1950rad 5.24739623 DE1950rad 0.81330898 PmRA2000 -0.0034
PmDE2000 -0.006
Hipparcos
Catalog H HIP 98827 Proxy RAhms 20 04 09.90
DEdms +46 44 30.5 Vmag 9.65 VarFlag R Vmag H
RAdeg 301.041 DEdeg 46.7418 AstroRef A Plx 2.45
CCDM 20042+4645 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 109 Rho 16.688 HD 190698 BD BD+46 2842
CD CP Dm number +46 2842 VIred -0.18
SpType A R SpType Coord arcsec 2000 200409.90+464430.5
Hipparcos 2
HIP 98827 Sn 15 So 3 Nc 2
RArad 5.2541612597 DErad 0.8157985002 Plx 1.68 PmRA -12.13
PmDE 3.73 E RArad 3.19 E DErad 3.39 E Plx 4.02
E pmRA 4.17 E pmDE 3.8 Hpmag 9.6783 E Hpmag 0.0193
SHp 0.085 VA 0 BV 0.047 E BV 0.03
VI 0.06
CCDM
Ccdm 20042+4645 RComp Comp A Note1
Note2 Discov num DRAs -2.10 DDEs -29.5
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.7 Sp A PmNote *
PmRA -4 PmDE -5 Dm number +46 2842 Cat1 BD
Name2 +46 1561 Cat2 AGK2/3 HD 190698 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 98827
 
 
20042+4645 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200410.95+464425.0 Mag 10.72 PmRA -6.00
PmDE -8.0 Tycho2 3559-00525-1 Calc delta mag 1.04 Calc coord yes
Tycho2
Tycho2 3559-00525-1 Pflag RAmdeg 301.04766625 DEmdeg 46.74030245
PmRA -6.4 PmDE -4.9 E RAmdeg 28 E DEmdeg 25
E pmRA 1.5 E pmDE 1.4 EpRAm 1987.58 EpDEm 1986.15
Num 5 Q RAmdeg 1.5 Q DEmdeg 0.9 Q pmRA 1.5
Q pmDE 0.9 BTmag 10.934 E BTmag 0.046 VTmag 10.724
E VTmag 0.055 Prox 168 TYC T HIP 98827
CCDM B RAdeg 301.04769028 DEdeg 46.74031972 EpRA 1990 1.71
EpDE 1990 1.74 E RAdeg 28.9 E DEdeg 31.2 Posflg
Corr -0.1
CCDM
Ccdm 20042+4645 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.55 DDEs -34.9
R dRAs 82 Year 1991 Theta 109 Rho 16.7
Obs 1 Vmag 10.7 Sp PmNote *
PmRA -4 PmDE -5 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 98827