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Current system
19557+4024
HJ 604
HD 188891


Nearby doubles
1' : 19558+4024
KOI3806

5' : 19556+4019
KOI1592

7' : 19563+4021
KOI 407

10' : 19563+4031
KOI3292AB

11' : 19549+4020
KOI6543

12' : 19559+4012
KOI4208AB

12' : 19563+4014
RAO 160

12' : 19566+4017
KOI3707

13' : 19561+4035
KOI2510AB

13' : 19546+4027
DEA 166

14' : 19564+4012
KOI6507AB

15' : 19559+4038
KOI1607

16' : 19560+4009
KOI2462

16' : 19567+4012
KOI5128

17' : 19554+4008
KOI2795

17' : 19560+4040
KOI3738

17' : 19571+4016
KOI3325AB

18' : 19572+4022
BU 1474AB

18' : 19543+4029
KOI3982

19' : 19550+4040
KOI4598

19' : 19541+4024
KOI3740AB

20' : 19572+4014
KOI 641AB

20' : 19542+4031
KOI4591

20' : 19559+4004
SEI 736

20' : 19540+4028
KOI5151AB

20' : 19555+4043
KOI 608AB



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.

19557+4024 HJ 604 (HD 188891)

 
 
19h 55m 44.76s +40° 23' 30.2" P.A. 93.00 sep 70.6 mag 7.35,9.33 Sp B1V dist. 6250 pc (20387.5 l.y.)
 
 
Coord 2000 19557+4024 Discov num HJ  604 Comp Coord arcsec 2000 19 55 44.76 +40 23 30.2
Date first 1893 Date last 2015 Obs 20
Pa first 94 Pa last 92.6 P.A. Now (θ) 92.6°
Sep first 70.5 Sep last 70.612 Sep. Now (ρ) 70.612"
Mag pri 7.35 Mag sec 9.33 delta mag (ΔM) 1.98 Spectral class B1V (blue-white)
Pri motion ra -003 Sec motion ra -002
Pri motion dec -007 Sec motion dec -002
Notes N (See Notes)
rPM=0.67
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 188891 Constellation Cygnus SAO 48983 HIP 98061
Tycho2 3141-03158-1 Gaia DR2 2073593412917417600 HD 188891 BD BD+40 3948
Distance 6250 Distance ly 20387.5
 
 
WDS 19557+4024 HJ 604 (HD 188891) : NOTES
 
 
discov_num notes refcode
HJ 604 B is BD+40@3949. See note in BDS. Bu_1906
 
 
REFERENCES
 
 
refcode metd author reference
Bu_1906 Ma j Burnham, S.W. 1906QB821.B972.....
Bu_1906 +M Burnham Double Star Cat., 1906
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19557+4024 HJ 604 2002 11 93 71.1 7.35 9.33 B1V N D 195544.76+402330.2
19557+4024 HJ 604 2012 14 93 70.6 7.35 9.33 B1V N D 195544.76+402330.2
19557+4024 HJ 604 2014 15 93 70.8 7.35 9.33 B1V N 195544.76+402330.2
19557+4024 HJ 604 2015 17 93 70.6 7.35 9.33 B1V N 195544.76+402330.2

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

 
 
WDS 19557+4024 HJ 604 (HD 188891) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19557+4024 HJ 604 (HD 188891) : MEASURES
 
 
No records found.

 
 
WDS 19557+4024 (HD 188891) : VIRTUAL EYEPIECE
 
 

19557+4024 HJ 604A mag 7.35 Sp B1V 19557+4024 HJ 604B sep 53.8 P.A. 93.40 mag 9.33 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 19557+4024 (HD 188891) : ALADIN DSS IMAGE @ 19h 55m 44.76s +40° 23' 30.2"
 
 
 
 
WDS 19557+4024 HJ 604 (HD 188891) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19557+4024 HJ 604 distance=0' 19558+4024 KOI3806 distance=1' 19556+4019 KOI1592 distance=5' 19563+4021 KOI 407 distance=7' 19563+4031 KOI3292AB distance=10' 19563+4031 KOI3292AC distance=10' 19563+4031 KOI3292AD distance=10' 19549+4020 KOI6543 distance=11' 19559+4012 KOI4208AB distance=12' 19559+4012 KOI4208AC distance=12' 19559+4012 KOI4208AD distance=12' 19563+4014 RAO 160 distance=12' 19566+4017 KOI3707 distance=12' 19561+4035 KOI2510AB distance=13' 19561+4035 KOI2510AC distance=13' 19546+4027 DEA 166 distance=13' 19564+4012 KOI6507AB distance=14' 19564+4012 KOI6507AC distance=14' 19559+4038 KOI1607 distance=15' 19560+4009 KOI2462 distance=16' 19567+4012 KOI5128 distance=16' 19554+4008 KOI2795 distance=17' 19560+4040 KOI3738 distance=17' 19571+4016 KOI3325AB distance=17' 19571+4016 KOI3325AC distance=17' 19572+4022 BU 1474AB distance=18' 19572+4022 BU 1474AC distance=18' 19543+4029 KOI3982 distance=18' 19550+4040 KOI4598 distance=19' 19541+4024 KOI3740AB distance=19' 19541+4024 KOI3740AC distance=19' 19572+4014 KOI 641AB distance=20' 19572+4014 KOI 641AC distance=20' 19542+4031 KOI4591 distance=20' 19559+4004 SEI 736 distance=20' 19540+4028 KOI5151AB distance=20' 19540+4028 KOI5151AC distance=20' 19540+4028 KOI5151AD distance=20' 19555+4043 KOI 608AB distance=20' 19555+4043 KOI 608AC distance=20' 19540+4020 KOI6542AB distance=21' 19540+4020 KOI6542AC distance=21' 19557+4045 KOI4220 distance=22' 19550+4003 KOI5110 distance=22' 19577+4026 KOI2558 distance=22' 19576+4032 KOI5158 distance=23' 19542+4011 KOI3065AB distance=23' 19542+4011 KOI3065AC distance=23' 19565+4045 KOI6600 distance=23' 19543+4008 KOI4354AB distance=24' 19543+4008 KOI4354AC distance=24' 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 19557+4024 HJ 604 93 70.6
Show 19558+4024 KOI3806 171 4.0 1
Show 19556+4019 KOI1592 221 3.6 5
Show 19563+4021 KOI 407 55 1.5 7
Show 19563+4031 KOI3292 AB 300 2.4 10
Show 19563+4031 KOI3292 AC 103 2.8 10
Show 19563+4031 KOI3292 AD 350 3.8 10
Show 19549+4020 KOI6543 62 2.6 11
Show 19559+4012 KOI4208 AB 235 0.9 12
Show 19559+4012 KOI4208 AC 355 2.4 12
Show 19559+4012 KOI4208 AD 275 3.1 12
Show 19563+4014 RAO 160 48 2.3 12
Show 19566+4017 KOI3707 97 3.0 12
Show 19561+4035 KOI2510 AB 33 2.8 13
Show 19561+4035 KOI2510 AC 332 3.8 13
Show 19546+4027 DEA 166 128 8.6 13
Show 19564+4012 KOI6507 AB 191 2.9 14
Show 19564+4012 KOI6507 AC 71 3.3 14
Show 19559+4038 KOI1607 142 3.9 15
Show 19560+4009 KOI2462 304 2.8 16
Show 19567+4012 KOI5128 26 3.8 16
Show 19554+4008 KOI2795 173 2.8 17
Show 19560+4040 KOI3738 263 2.6 17
Show 19571+4016 KOI3325 AB 14 3.5 17
Show 19571+4016 KOI3325 AC 333 3.7 17
Show 19572+4022 BU 1474 AB 316 64.8 18
Show 19572+4022 BU 1474 AC 343 20.5 18
Show 19543+4029 KOI3982 78 1.5 18
Show 19550+4040 KOI4598 332 3.0 19
Show 19541+4024 KOI3740 AB 110 2.3 19
Show 19541+4024 KOI3740 AC 291 3.3 19
Show 19572+4014 KOI 641 AB 277 2.2 20
Show 19572+4014 KOI 641 AC 206 3.7 20
Show 19542+4031 KOI4591 184 2.8 20
Show 19559+4004 SEI 736 142 23.7 20
Show 19540+4028 KOI5151 AB 113 2.7 20
Show 19540+4028 KOI5151 AC 150 3.0 20
Show 19540+4028 KOI5151 AD 253 3.8 20
Show 19555+4043 KOI 608 AB 166 2.8 20
Show 19555+4043 KOI 608 AC 75 3.4 20
Show 19540+4020 KOI6542 AB 40 2.5 21
Show 19540+4020 KOI6542 AC 199 3.0 21
Show 19557+4045 KOI4220 44 2.8 22
Show 19550+4003 KOI5110 7 4.1 22
Show 19577+4026 KOI2558 147 3.9 22
Show 19576+4032 KOI5158 15 2.6 23
Show 19542+4011 KOI3065 AB 75 3.9 23
Show 19542+4011 KOI3065 AC 217 2.4 23
Show 19565+4045 KOI6600 315 2.4 23
Show 19543+4008 KOI4354 AB 351 3.6 24
Show 19543+4008 KOI4354 AC 124 3.9 24

 
 
WDS 19557+4024 : COMPONENTS
 
 
  A
B pa=93.4°
sep=53.82"
 
 
19557+4024 A
 
 
Componente originario normalizzato AB Name HD 188891 Coord arcsec 2000 195544.76+402330.2 Mag 7.35
Spectral class B1V (blue-white) PmRA -3.00 PmDE -7.0 SAO 48983
HIP 98061 Tycho2 3141-03158-1 HD 188891 BD BD+40 3948
Tycho2
Tycho2 3141-03158-1 Pflag RAmdeg 298.93650673 DEmdeg 40.39173585
PmRA -4.0 PmDE -6.6 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.47 EpDEm 1991.56
Num 10 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.8
Q pmDE 0.6 BTmag 7.295 E BTmag 0.015 VTmag 7.354
E VTmag 0.010 Prox 705 TYC T HIP 98061
CCDM RAdeg 298.93651917 DEdeg 40.39175083 EpRA 1990 1.66
EpDE 1990 1.76 E RAdeg 4.2 E DEdeg 4.0 Posflg
Corr 0.0
SAO
SAO 48983 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 0.028 Vmag 7.8 SpType B3
Double code Source 4 CatNum 1929 DM BD+40 3948
DMcomp BDsup HD 188891 M HD 0
GC RA1950rad 5.20986195 DE1950rad 0.70263873 PmRA2000 0.0003
PmDE2000 0.026
Hipparcos
Catalog H HIP 98061 Proxy RAhms 19 55 44.76
DEdms +40 23 30.3 Vmag 7.37 VarFlag R Vmag H
RAdeg 298.937 DEdeg 40.3918 AstroRef Plx -0.18
CCDM 19558+4024 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 188891 BD BD+40 3948
CD CP Dm number +40 3948 VIred 0.01
SpType B1V R SpType Coord arcsec 2000 195544.76+402330.3
Hipparcos 2
HIP 98061 Sn 5 So 0 Nc 1
RArad 5.2174265137 DErad 0.7049691098 Plx 0.16 PmRA -2.68
PmDE -7.21 E RArad 0.32 E DErad 0.33 E Plx 0.41
E pmRA 0.34 E pmDE 0.38 Hpmag 7.3547 E Hpmag 0.001
SHp 0.009 VA 0 BV -0.057 E BV 0.008
VI -0.04
 
 
19557+4024 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 195549.46+402327.0 Mag 9.33 PmRA -2.00
PmDE -2.0 SAO 48989 Tycho2 3141-03247-1 HD 226628
DM BD+40 3949 Calc delta mag 1.98 Calc coord yes
Tycho2
Tycho2 3141-03247-1 Pflag RAmdeg 298.96220753 DEmdeg 40.39079966
PmRA -0.3 PmDE -1.3 E RAmdeg 12 E DEmdeg 10
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.22 EpDEm 1990.66
Num 6 Q RAmdeg 0.3 Q DEmdeg 0.5 Q pmRA 0.3
Q pmDE 0.5 BTmag 9.430 E BTmag 0.020 VTmag 9.329
E VTmag 0.020 Prox 705 TYC T HIP
CCDM RAdeg 298.96220917 DEdeg 40.39080222 EpRA 1990 1.66
EpDE 1990 1.74 E RAdeg 12.2 E DEdeg 9.7 Posflg
Corr -0.1
SAO
SAO 48989 DelFlag RA1950 PmRA1950 -0.0014
DE1950 PmDE1950 0 Vmag 9 SpType A3
Double code Source 4 CatNum 1931 DM BD+40 3949
DMcomp BDsup HD 226628 M HD 0
GC RA1950rad 5.21030497 DE1950rad 0.70261618 PmRA2000 -0.0011
PmDE2000 -0.002