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Doubles in session


Current system
19438-4418
HJ 5138
HD 185994


Nearby doubles
16' : 19429-4406
BRG 28

22' : 19447-4359
NSN 482

35' : 19420-4350
DON 964

44' : 19403-4440
TSN 67

46' : 19430-4503
SKF1092

52' : 19438-4326
HJ 5139

61' : 19479-4338
I 657

64' : 19484-4459
HDS2817

69' : 19422-4525
KPP 843

80' : 19369-4451
UC 3987

82' : 19507-4454
DON 970

90' : 19417-4545
BRT1099

93' : 19388-4302
HU 1330

94' : 19502-4523
HJ 5148

99' : 19358-4509
B 977

100' : 19452-4240
HDS2805

101' : 19358-4327
DON 963

102' : 19516-4323
SKF1158

106' : 19495-4545
UC 4030

108' : 19338-4437
UC 3978

111' : 19484-4241
RSS 533

116' : 19502-4552
RST1048

124' : 19333-4329
TDT1539

126' : 19468-4217
UC 4023

129' : 19537-4531
BRT1102

130' : 19381-4225
UC 3990



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.

19438-4418 HJ 5138 (HD 185994)

 
 
19h 43m 45.31s -44° 18' 16.5" P.A. 41.00 sep 19.0 mag 9.58,10.90 Sp A4IV
 
 
Coord 2000 19438-4418 Discov num HJ 5138 Comp Coord arcsec 2000 19 43 45.31 -44 18 16.5
Date first 1834 Date last 2015 Obs 11
Pa first 35 Pa last 41.1 P.A. Now (θ) 41.1°
Sep first 12.0 Sep last 18.963 Sep. Now (ρ) 18.963"
Mag pri 9.58 Mag sec 10.90 delta mag (ΔM) 1.32 Spectral class A4IV (white)
Pri motion ra -022 Sec motion ra +003
Pri motion dec -023 Sec motion dec -010
Notes
rPM=0.885
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 185994 Constellation Sagittarius SAO 229836 Tycho2 7945-01655-1
Gaia DR2 6684943977196496128 HD 185994 DM CP-44 9633
 
 
WDS 19438-4418 HJ 5138 (HD 185994) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19438-4418 HJ 5138 1999 8 41 18.6 9.58 10.90 A4IV D 194345.31-441816.5
19438-4418 HJ 5138 2010 10 41 18.8 9.58 10.90 A4IV 194345.31-441816.5
19438-4418 HJ 5138 2015 11 41 19.0 9.58 10.90 A4IV 194345.31-441816.5

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

 
 
WDS 19438-4418 HJ 5138 (HD 185994) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19438-4418 HJ 5138 (HD 185994) : MEASURES
 
 
No records found.

 
 
WDS 19438-4418 (HD 185994) : VIRTUAL EYEPIECE
 
 

19438-4418 HJ 5138A mag 9.58 Sp A4IV 19438-4418 HJ 5138B sep 16.9 P.A. 32.00 mag 10.9 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 19438-4418 (HD 185994) : ALADIN DSS IMAGE @ 19h 43m 45.31s -44° 18' 16.5"
 
 
 
 
WDS 19438-4418 HJ 5138 (HD 185994) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19438-4418 HJ 5138 distance=0' 19429-4406 BRG 28 distance=16' 19447-4359 NSN 482 distance=22' 19420-4350 DON 964 distance=35' 19403-4440 TSN 67 distance=44' 19430-4503 SKF1092 distance=46' 19438-4326 HJ 5139 distance=52' 19479-4338 I 657 distance=61' 19484-4459 HDS2817 distance=64' 19422-4525 KPP 843 distance=69' 19369-4451 UC 3987 distance=80' 19507-4454 DON 970 distance=82' 19417-4545 BRT1099 distance=90' 19388-4302 HU 1330 distance=93' 19502-4523 HJ 5148 distance=94' 19358-4509 B 977 distance=99' 19452-4240 HDS2805 distance=100' 19358-4327 DON 963 distance=101' 19516-4323 SKF1158 distance=102' 19495-4545 UC 4030 distance=106' 19338-4437 UC 3978 distance=108' 19484-4241 RSS 533 distance=111' 19502-4552 RST1048 distance=116' 19333-4329 TDT1539 distance=124' 19468-4217 UC 4023 distance=126' 19537-4531 BRT1102 distance=129' 19381-4225 UC 3990 distance=130' 19546-4322 UC 4051 distance=130' 19554-4344 DON 972 distance=131' 19478-4629 HJ 5143 distance=138' 19389-4207 B 979 distance=142' 19336-4554 CPO 614 distance=144' 19475-4200 TDT1755 distance=145' 19405-4641 HU 1530 distance=148' 19426-4143 RSS 532 distance=156' 19567-4537 TDT1867 distance=159' 19374-4646 HJ 5129 distance=162' 19507-4152 I 122 distance=166' 19284-4353 HJ 5117 distance=168' 19511-4150 B 982 distance=169' 19520-4642 TDT1811 distance=169' 19296-4539 UC 3952 distance=171' 19332-4212 B 975 distance=172' 19394-4133 HJ 5134 distance=173' 19592-4324 SKF1161 distance=176' 19377-4128 VOU 34 distance=184' 19345-4654 UC 3980 distance=184' 20009-4402 UC 4063 distance=186' 19273-4321 BRT1096 distance=187' 19329-4647 I 118 distance=188' 19292-4609 UC 3950 distance=190' 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 19438-4418 HJ 5138 41 19.0
Show 19429-4406 BRG 28 350 0.8 16
Show 19447-4359 NSN 482 65 2.0 22
Show 19420-4350 DON 964 60 1.1 35
Show 19403-4440 TSN 67 151 20.1 44
Show 19430-4503 SKF1092 301 6.0 46
Show 19438-4326 HJ 5139 126 13.5 52
Show 19479-4338 I 657 321 1.3 61
Show 19484-4459 HDS2817 270 10.2 64
Show 19422-4525 KPP 843 17 7.2 69
Show 19369-4451 UC 3987 49 10.5 80
Show 19507-4454 DON 970 199 2.3 82
Show 19417-4545 BRT1099 350 3.3 90
Show 19388-4302 HU 1330 309 1.4 93
Show 19502-4523 HJ 5148 318 13.9 94
Show 19358-4509 B 977 49 0.6 99
Show 19452-4240 HDS2805 340 0.4 100
Show 19358-4327 DON 963 178 0.4 101
Show 19516-4323 SKF1158 261 17.8 102
Show 19495-4545 UC 4030 295 40.3 106
Show 19338-4437 UC 3978 134 43.4 108
Show 19484-4241 RSS 533 319 12.5 111
Show 19502-4552 RST1048 12 0.8 116
Show 19333-4329 TDT1539 278 0.9 124
Show 19468-4217 UC 4023 179 46.9 126
Show 19537-4531 BRT1102 218 5.0 129
Show 19381-4225 UC 3990 300 31.4 130
Show 19546-4322 UC 4051 174 23.1 130
Show 19554-4344 DON 972 84 0.2 131
Show 19478-4629 HJ 5143 315 5.4 138
Show 19389-4207 B 979 184 1.0 142
Show 19336-4554 CPO 614 18 3.9 144
Show 19475-4200 TDT1755 103 2.7 145
Show 19405-4641 HU 1530 207 0.6 148
Show 19426-4143 RSS 532 342 10.3 156
Show 19567-4537 TDT1867 229 0.6 159
Show 19374-4646 HJ 5129 93 11.2 162
Show 19507-4152 I 122 336 5.3 166
Show 19284-4353 HJ 5117 258 5.7 168
Show 19511-4150 B 982 238 2.6 169
Show 19520-4642 TDT1811 103 2.0 169
Show 19296-4539 UC 3952 298 8.5 171
Show 19332-4212 B 975 15 1.0 172
Show 19394-4133 HJ 5134 126 12.1 173
Show 19592-4324 SKF1161 308 16.4 176
Show 19377-4128 VOU 34 314 0.2 184
Show 19345-4654 UC 3980 205 14.2 184
Show 20009-4402 UC 4063 255 30.3 186
Show 19273-4321 BRT1096 78 6.4 187
Show 19329-4647 I 118 143 1.2 188
Show 19292-4609 UC 3950 239 19.5 190

 
 
WDS 19438-4418 : COMPONENTS
 
 
  A
B pa=32.0°
sep=16.85"
 
 
19438-4418 A
 
 
Componente originario normalizzato AB Name HD 185994 Coord arcsec 2000 194345.31-441816.5 Mag 9.58
Spectral class A4IV (white) PmRA -22.00 PmDE -23.0 SAO 229836
Tycho2 7945-01655-1 HD 185994 DM CP-44 9633
Tycho2
Tycho2 7945-01655-1 Pflag RAmdeg 295.93882176 DEmdeg -44.30460775
PmRA -22.2 PmDE -21.4 E RAmdeg 16 E DEmdeg 20
E pmRA 1.2 E pmDE 1.2 EpRAm 1986.44 EpDEm 1983.67
Num 6 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.7 BTmag 9.803 E BTmag 0.033 VTmag 9.577
E VTmag 0.035 Prox 999 TYC T HIP
CCDM RAdeg 295.93889278 DEdeg -44.30455639 EpRA 1990 1.68
EpDE 1990 1.51 E RAdeg 18.4 E DEdeg 22.6 Posflg
Corr 0.0
SAO
SAO 229836 DelFlag RA1950 PmRA1950 -0.003
DE1950 PmDE1950 -0.021 Vmag 9.2 SpType A2
Double code Source 48 CatNum 18357 DM CP-44 9633
DMcomp BDsup HD 185994 M HD 0
GC RA1950rad 5.14963552 DE1950rad -0.77534741 PmRA2000 -0.003
PmDE2000 -0.024
CCDM
Ccdm 19438-4418 RComp Comp A Note1
Note2 Discov num DRAs -2.80 DDEs -16.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp A2 PmNote *
PmRA -32 PmDE -21 Dm number -4413507 Cat1 CD
Name2 229836 Cat2 SAO HD 185994 M HD
ADS BDS M ADS BDS N IDS IDS 19367S4432A
HIC
 
 
19438-4418 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 194346.14-441802.2 Mag 10.9 PmRA 3.00
PmDE -10.0 Calc delta mag 1.32 Calc coord yes
CCDM
Ccdm 19438-4418 RComp Comp B Note1
Note2 Discov num HJ 5138 DRAs -1.63 DDEs -1.3
R dRAs 90 Year 1959 Theta 040 Rho 17.6
Obs 3 Vmag 10.8 Sp PmNote *
PmRA 5 PmDE 8 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19367S4432B
HIC