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Doubles in session


Current system
19538-5009
HDS 2835
HD 187744


Nearby doubles
3' : 19539-5012
RST1050

29' : 19510-5008
LDS 687

29' : 19537-5038
TSN 32

53' : 19587-5034
B 983

57' : 19596-4958
CPO9292

62' : 19484-4937
BRT1100

62' : 19488-4931
HDS2818

68' : 19522-5115
I 1625AB

74' : 19563-5118
SKF1094

75' : 19590-5106
I 1407

78' : 19474-5057
SKF1093

80' : 19572-4856
TOI1060

83' : 19564-4850
BRT1103

85' : 20026-5003
HDS2857

88' : 19590-5121
RST1053

88' : 19447-5009
RST1047

100' : 19479-5131
TVB 311

101' : 19550-5149
FIN 31

105' : 19454-4904
NSN 479

112' : 19451-5123
NSN 475

113' : 19583-5154
DUN 229AB

115' : 20053-5043
UC 4079

117' : 19547-5204
BRT2102

118' : 19417-4954
BRT1098

122' : 19544-5211
RST1051

128' : 19467-4821
HJ 5142



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.

19538-5009 HDS 2835 (HD 187744)

 
 
19h 53m 50.64s -50° 09' 04.0" P.A. 23.00 sep 0.2 mag 9.19,10.54 Sp G6IV/V dist. 207.47 pc (676.77 l.y.)
 
 
Coord 2000 19538-5009 Discov num HDS2835 Comp Coord arcsec 2000 19 53 50.64 -50 09 04.0
Date first 1991 Date last 2018 Obs 4
Pa first 341 Pa last 23.2 P.A. Now (θ) 23.2°
Sep first 0.2 Sep last 0.164 Sep. Now (ρ) 0.164"
Mag pri 9.19 Mag sec 10.54 delta mag (ΔM) 1.35 Spectral class G6IV/V (yellow)
Pri motion ra -042 Sec motion ra
Pri motion dec -015 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 187744 Constellation Telescopium SAO 246325 HIP 97912
Tycho2 8399-01017-1 Gaia DR2 6669947703745081216 HD 187744 CD CD-5012713
CP CP-5011213 Distance 207.47 Distance ly 676.77
 
 
WDS 19538-5009 HDS 2835 (HD 187744) : 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
19538-5009 HDS2835 1991 1 341 0.2 9.19 10.54 G6IV/V 195350.64-500904.0
19538-5009 HDS2835 2014 2 18 0.2 9.19 10.54 G6IV/V 195350.64-500904.0
19538-5009 HDS2835 2017 3 23 0.2 9.19 10.54 G6IV/V 195350.64-500904.0
19538-5009 HDS2835 2018 4 23 0.2 9.19 10.54 G6IV/V 195350.64-500904.0

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

 
 
WDS 19538-5009 HDS 2835 (HD 187744) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19538-5009 HDS 2835 (HD 187744) : MEASURES
 
 
No records found.

 
 
WDS 19538-5009 (HD 187744) : VIRTUAL EYEPIECE
 
 

19538-5009 HDS2835A mag 9.19 Sp G6IV/V 19538-5009 HDS2835B sep 0.2 P.A. 15.40 mag 10.54 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 19538-5009 (HD 187744) : ALADIN DSS IMAGE @ 19h 53m 50.64s -50° 09' 04.0"
 
 
 
 
WDS 19538-5009 HDS 2835 (HD 187744) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19538-5009 HDS2835 distance=0' 19539-5012 RST1050 distance=3' 19510-5008 LDS 687 distance=29' 19537-5038 TSN 32 distance=29' 19587-5034 B 983 distance=53' 19596-4958 CPO9292 distance=57' 19484-4937 BRT1100 distance=62' 19488-4931 HDS2818 distance=62' 19522-5115 I 1625AB distance=68' 19522-5115 HJ 5150AC distance=68' 19563-5118 SKF1094 distance=74' 19590-5106 I 1407 distance=75' 19474-5057 SKF1093 distance=78' 19572-4856 TOI1060 distance=80' 19564-4850 BRT1103 distance=83' 20026-5003 HDS2857 distance=85' 19590-5121 RST1053 distance=88' 19447-5009 RST1047 distance=88' 19479-5131 TVB 311 distance=100' 19550-5149 FIN 31 distance=101' 19454-4904 NSN 479 distance=105' 19451-5123 NSN 475 distance=112' 19583-5154 DUN 229AB distance=113' 20053-5043 UC 4079 distance=115' 19547-5204 BRT2102 distance=117' 19417-4954 BRT1098 distance=118' 19544-5211 RST1051 distance=122' 19467-4821 HJ 5142 distance=128' 19581-4808 HDS2842 distance=128' 19590-5208 HU 1610DE distance=129' 19400-4957 RST1043 distance=134' 20071-5055 BRT1104 distance=135' 19476-5211 TDS1012 distance=136' 19440-5149 B 1387 distance=137' 20047-5144 I 1604 distance=140' 19418-5133 RST1044 distance=142' 19392-4951 HJ 5130 distance=143' 19529-4744 TDT1823 distance=146' 20052-4834 HDS2864 distance=147' 19448-5210 HU 1608 distance=148' 20093-5029 RST1061 distance=150' 20073-5127 RST1059 distance=150' 19407-5133 B 1386 distance=151' 19453-4804 UC 4018 distance=151' 19382-5028 HDS2786 distance=152' 20095-5026 HU 1612 distance=152' 19385-4937 TDS1002 distance=152' 20096-5038 RST1062 distance=155' 20029-5222 TDT1935 distance=159' 20045-5214 RST1056 distance=161' 20100-4914 KPP1803 distance=166' 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 19538-5009 HDS2835 23 0.2
Show 19539-5012 RST1050 214 0.5 3
Show 19510-5008 LDS 687 44 81.2 29
Show 19537-5038 TSN 32 189 82.4 29
Show 19587-5034 B 983 330 1.2 53
Show 19596-4958 CPO9292 300 4.3 57
Show 19484-4937 BRT1100 326 2.5 62
Show 19488-4931 HDS2818 74 0.2 62
Show 19522-5115 I 1625 AB 250 12.8 68
Show 19522-5115 HJ 5150 AC 254 27.8 68
Show 19563-5118 SKF1094 3 10.8 74
Show 19590-5106 I 1407 119 5.7 75
Show 19474-5057 SKF1093 110 18.6 78
Show 19572-4856 TOI1060 167 0.3 80
Show 19564-4850 BRT1103 206 4.4 83
Show 20026-5003 HDS2857 6 18.0 85
Show 19590-5121 RST1053 202 0.6 88
Show 19447-5009 RST1047 232 0.8 88
Show 19479-5131 TVB 311 267 7.0 100
Show 19550-5149 FIN 31 49 2.1 101
Show 19454-4904 NSN 479 224 49.5 105
Show 19451-5123 NSN 475 199 18.6 112
Show 19583-5154 DUN 229 AB 242 80.9 113
Show 20053-5043 UC 4079 78 11.2 115
Show 19547-5204 BRT2102 157 3.1 117
Show 19417-4954 BRT1098 44 4.5 118
Show 19544-5211 RST1051 297 0.6 122
Show 19467-4821 HJ 5142 258 13.9 128
Show 19581-4808 HDS2842 76 0.3 128
Show 19590-5208 HU 1610 DE 152 1.9 129
Show 19400-4957 RST1043 204 2.4 134
Show 20071-5055 BRT1104 219 3.7 135
Show 19476-5211 TDS1012 175 0.8 136
Show 19440-5149 B 1387 170 1.7 137
Show 20047-5144 I 1604 204 1.1 140
Show 19418-5133 RST1044 206 1.4 142
Show 19392-4951 HJ 5130 149 14.8 143
Show 19529-4744 TDT1823 80 0.7 146
Show 20052-4834 HDS2864 339 0.2 147
Show 19448-5210 HU 1608 37 0.3 148
Show 20093-5029 RST1061 282 1.2 150
Show 20073-5127 RST1059 243 0.1 150
Show 19407-5133 B 1386 80 3.1 151
Show 19453-4804 UC 4018 201 31.2 151
Show 19382-5028 HDS2786 351 0.6 152
Show 20095-5026 HU 1612 63 1.0 152
Show 19385-4937 TDS1002 83 1.2 152
Show 20096-5038 RST1062 351 0.4 155
Show 20029-5222 TDT1935 76 0.7 159
Show 20045-5214 RST1056 321 2.3 161
Show 20100-4914 KPP1803 353 14.0 166

 
 
WDS 19538-5009 : COMPONENTS
 
 
  A
B pa=15.4°
sep=0.16"
 
 
19538-5009 A
 
 
Componente originario normalizzato AB Name HD 187744 Coord arcsec 2000 195350.64-500904.0 Mag 9.19
Spectral class G6IV/V (yellow) PmRA -42.00 PmDE -15.0 SAO 246325
HIP 97912 Tycho2 8399-01017-1 HD 187744 CD CD-5012713
CP CP-5011213
Tycho2
Tycho2 8399-01017-1 Pflag RAmdeg 298.46085602 DEmdeg -50.15112841
PmRA -37.9 PmDE -10.6 E RAmdeg 8 E DEmdeg 10
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.57 EpDEm 1990.02
Num 6 Q RAmdeg 0.9 Q DEmdeg 1.6 Q pmRA 0.8
Q pmDE 1.7 BTmag 9.758 E BTmag 0.021 VTmag 8.863
E VTmag 0.014 Prox 999 TYC T HIP 97912
CCDM AB RAdeg 298.46099111 DEdeg -50.15110472 EpRA 1990 1.75
EpDE 1990 1.66 E RAdeg 7.6 E DEdeg 10.0 Posflg P
Corr 0.1
SAO
SAO 246325 DelFlag RA1950 PmRA1950 -0.0046
DE1950 PmDE1950 -0.008 Vmag 9 SpType G5
Double code Source 48 CatNum 18453 DM CP-5011213
DMcomp BDsup HD 187744 M HD 0
GC RA1950rad 5.19279675 DE1950rad -0.87758023 PmRA2000 -0.0048
PmDE2000 -0.012
Hipparcos
Catalog H HIP 97912 Proxy H RAhms 19 53 50.64
DEdms -50 09 04.0 Vmag 8.76 VarFlag R Vmag H
RAdeg 298.461 DEdeg -50.1511 AstroRef * Plx 5.06
CCDM 19538-5009 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 341 Rho 0.154 HD 187744 BD
CD CD-5012713 CP CP-5011213 Dm number -5012713 VIred 0.83
SpType G6IV/V R SpType Coord arcsec 2000 195350.64-500904.0
Hipparcos 2
HIP 97912 Sn 55 So 3 Nc 2
RArad 5.2091272 DErad -0.875301881 Plx 4.82 PmRA -42.23
PmDE -13.79 E RArad 1.14 E DErad 0.69 E Plx 1.26
E pmRA 1.8 E pmDE 1.03 Hpmag 8.9118 E Hpmag 0.0021
SHp 0.019 VA 0 BV 0.784 E BV 0.018
VI 0.82
CCDM
Ccdm 19538-5009 RComp Comp A Note1
Note2 Discov num DRAs 2.60 DDEs -4.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.2 Sp G6 PmNote *
PmRA -42 PmDE -15 Dm number -5012713 Cat1 CD
Name2 246325 Cat2 SAO HD 187744 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 97912
 
 
19538-5009 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 195350.64-500903.8 Mag 10.54 Calc delta mag 1.35
Calc coord yes
CCDM
Ccdm 19538-5009 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.60 DDEs -4.0
R dRAs 82 Year 1991 Theta 341 Rho 0.2
Obs 1 Vmag 10.5 Sp PmNote *
PmRA -42 PmDE -15 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 97912