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Current system
02389-5450
HJ 3520
HD 16744


Nearby doubles
26' : 02396-5425
HU 1350

32' : 02425-5452
KPP2432

58' : 02432-5407
HDS 356

59' : 02421-5359
UC 781

63' : 02326-5521
RST 52

66' : 02317-5432
UC 751

74' : 02475-5452
UC 808

79' : 02462-5403
UC 804

82' : 02474-5528
CPO 111

90' : 02338-5608
HJ 3514

93' : 02495-5438
TDS2366

94' : 02298-5542
SYU 3

113' : 02344-5306
TSN 125

114' : 02418-5300
JFF 1AB

114' : 02387-5257
COO 14AB

117' : 02518-5418
KPP 92

122' : 02438-5257
B 2560

130' : 02284-5320
NSC 13

132' : 02479-5306
B 1925AB

132' : 02520-5347
BRT2020AB

134' : 02460-5252
KPP2473

134' : 02236-5433
HDS 310

139' : 02374-5233
EHR 2AB

139' : 02549-5443
UC 859

144' : 02442-5234
TOK 816

150' : 02274-5644
HU 1348



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.

02389-5450 HJ 3520 (HD 16744)

 
 
02h 38m 56.78s -54° 50' 14.1" P.A. 205.00 sep 20.6 mag 7.67,8.56 Sp F0IV/V dist. 72.1 pc (235.19 l.y.)
 
 
Coord 2000 02389-5450 Discov num HJ 3520 Comp Coord arcsec 2000 02 38 56.78 -54 50 14.1
Date first 1835 Date last 2015 Obs 22
Pa first 199 Pa last 204.7 P.A. Now (θ) 204.7°
Sep first 22.0 Sep last 20.594 Sep. Now (ρ) 20.594"
Mag pri 7.67 Mag sec 8.56 delta mag (ΔM) 0.89 Spectral class F0IV/V (yellow-white)
Pri motion ra +025 Sec motion ra +023
Pri motion dec -012 Sec motion dec -010
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.102 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 16744 Constellation Horologium SAO 232845 HIP 12342
Tycho2 8484-01506-1 Gaia DR2 4741233918682255232 HD 16744 GC 3207
CP CP-55 444 Distance 72.1 Distance ly 235.19
 
 
WDS 02389-5450 HJ 3520 (HD 16744) : NOTES
 
 
discov_num notes refcode
HJ 3520 B is CPD-55@444.
 
 
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
02389-5450 HJ 3520 1999 19 205 20.6 7.67 8.56 F0IV/V N D 023856.78-545014.1
02389-5450 HJ 3520 2010 21 205 20.5 7.67 8.56 F0IV/V N 023856.78-545014.1
02389-5450 HJ 3520 2015 22 205 20.6 7.67 8.56 F0IV/V N 023856.78-545014.1

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

 
 
WDS 02389-5450 HJ 3520 (HD 16744) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02389-5450 HJ 3520 (HD 16744) : MEASURES
 
 
No records found.

 
 
WDS 02389-5450 (HD 16744) : VIRTUAL EYEPIECE
 
 

02389-5450 HJ 3520A mag 7.67 Sp F0IV/V 02389-5450 HJ 3520B sep 19.4 P.A. 194.80 mag 8.56 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 02389-5450 (HD 16744) : ALADIN DSS IMAGE @ 02h 38m 56.78s -54° 50' 14.1"
 
 
 
 
WDS 02389-5450 HJ 3520 (HD 16744) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02389-5450 HJ 3520 distance=0' 02396-5425 HU 1350 distance=26' 02425-5452 KPP2432 distance=32' 02432-5407 HDS 356 distance=58' 02421-5359 UC 781 distance=59' 02326-5521 RST 52 distance=63' 02317-5432 UC 751 distance=66' 02475-5452 UC 808 distance=74' 02462-5403 UC 804 distance=79' 02474-5528 CPO 111 distance=82' 02338-5608 HJ 3514 distance=90' 02495-5438 TDS2366 distance=93' 02298-5542 SYU 3 distance=94' 02344-5306 TSN 125 distance=113' 02418-5300 JFF 1AB distance=114' 02418-5300 TOK 690Aa,Ab distance=114' 02387-5257 COO 14AB distance=114' 02387-5257 SHY 424AC distance=114' 02418-5300 SYU 4Ba,Bb distance=114' 02518-5418 KPP 92 distance=117' 02438-5257 B 2560 distance=122' 02284-5320 NSC 13 distance=130' 02479-5306 B 1925AB distance=132' 02479-5306 UC 811AC distance=132' 02520-5347 BRT2020AB distance=132' 02460-5252 KPP2473 distance=134' 02236-5433 HDS 310 distance=134' 02374-5233 TOK 186Aa,Ab distance=139' 02374-5233 EHR 2AB distance=139' 02549-5443 UC 859 distance=139' 02442-5234 TOK 816 distance=144' 02274-5644 HU 1348 distance=150' 02239-5338 B 670 distance=151' 02533-5619 TDS2379 distance=151' 02456-5714 NSN 181 distance=155' 02413-5725 BRG 14 distance=157' 02417-5216 KPP 90 distance=157' 02225-5346 RST1238 distance=158' 02555-5340 TOI 847 distance=162' 02285-5706 UC 743 distance=162' 02291-5717 KPP3491 distance=169' 02471-5726 WIS 72AB distance=171' 02555-5630 RST 55 distance=172' 02588-5448 HDS 380 distance=172' 02426-5740 VSP 8 distance=173' 02472-5729 KPP2805 distance=174' 02570-5613 HU 1352AB distance=175' 02570-5613 TOK 233AC distance=175' 02199-5557 HJ 3497AB distance=176' 02199-5557 I 9008AC distance=176' 02283-5221 RSS 57 distance=177' 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 02389-5450 HJ 3520 205 20.6
Show 02396-5425 HU 1350 40 0.9 26
Show 02425-5452 KPP2432 338 21.3 32
Show 02432-5407 HDS 356 142 25.6 58
Show 02421-5359 UC 781 230 23.0 59
Show 02326-5521 RST 52 287 1.6 63
Show 02317-5432 UC 751 290 10.2 66
Show 02475-5452 UC 808 76 9.3 74
Show 02462-5403 UC 804 165 8.4 79
Show 02474-5528 CPO 111 52 6.5 82
Show 02338-5608 HJ 3514 19 51.3 90
Show 02495-5438 TDS2366 70 0.8 93
Show 02298-5542 SYU 3 101 0.2 94
Show 02344-5306 TSN 125 68 0.1 113
Show 02418-5300 JFF 1 AB 11 22.2 114
Show 02418-5300 TOK 690 Aa,Ab 111 0.0 114
Show 02387-5257 COO 14 AB 128 8.7 114
Show 02387-5257 SHY 424 AC 75 218.2 114
Show 02418-5300 SYU 4 Ba,Bb 133 0.1 114
Show 02518-5418 KPP 92 204 3.9 117
Show 02438-5257 B 2560 276 10.5 122
Show 02284-5320 NSC 13 185 6.0 130
Show 02479-5306 B 1925 AB 2 14.7 132
Show 02479-5306 UC 811 AC 264 46.8 132
Show 02520-5347 BRT2020 AB 193 3.0 132
Show 02460-5252 KPP2473 234 22.1 134
Show 02236-5433 HDS 310 21 0.3 134
Show 02374-5233 TOK 186 Aa,Ab 69 0.1 139
Show 02374-5233 EHR 2 AB 232 4.9 139
Show 02549-5443 UC 859 275 12.4 139
Show 02442-5234 TOK 816 130 1.3 144
Show 02274-5644 HU 1348 327 0.7 150
Show 02239-5338 B 670 248 2.7 151
Show 02533-5619 TDS2379 9 0.6 151
Show 02456-5714 NSN 181 188 2.0 155
Show 02413-5725 BRG 14 288 1.5 157
Show 02417-5216 KPP 90 64 4.9 157
Show 02225-5346 RST1238 112 0.6 158
Show 02555-5340 TOI 847 317 1.2 162
Show 02285-5706 UC 743 5 15.8 162
Show 02291-5717 KPP3491 312 14.3 169
Show 02471-5726 WIS 72 AB 314 999.9 171
Show 02555-5630 RST 55 199 2.0 172
Show 02588-5448 HDS 380 114 1.5 172
Show 02426-5740 VSP 8 348 0.1 173
Show 02472-5729 KPP2805 178 1.4 174
Show 02570-5613 HU 1352 AB 194 0.9 175
Show 02570-5613 TOK 233 AC 2 87.4 175
Show 02199-5557 HJ 3497 AB 83 36.9 176
Show 02199-5557 I 9008 AC 319 68.1 176
Show 02283-5221 RSS 57 132 22.2 177

 
 
WDS 02389-5450 : COMPONENTS
 
 
  A
B pa=194.8°
sep=19.35"
 
 
02389-5450 A
 
 
Componente originario normalizzato AB Name HD 16744 Coord arcsec 2000 023856.78-545014.1 Mag 7.67
Spectral class F0IV/V (yellow-white) PmRA 25.00 PmDE -12.0 SAO 232845
HIP 12345 Tycho2 8484-01506-1 HD 16744 GC 3207
CP CP-55 445
Tycho2
Tycho2 8484-01506-1 Pflag RAmdeg 39.73658686 DEmdeg -54.83723756
PmRA 25.0 PmDE -12.6 E RAmdeg 5 E DEmdeg 5
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.23 EpDEm 1991.26
Num 11 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.9
Q pmDE 0.6 BTmag 8.078 E BTmag 0.015 VTmag 7.673
E VTmag 0.011 Prox 206 TYC T HIP 12345
CCDM A RAdeg 39.73648639 DEdeg -54.83720861 EpRA 1990 1.64
EpDE 1990 1.68 E RAdeg 5.1 E DEdeg 5.4 Posflg
Corr 0.2
SAO
SAO 232845 DelFlag RA1950 PmRA1950 0.0057
DE1950 PmDE1950 -0.027 Vmag 7.5 SpType F5
Double code Source 70 CatNum 3207 DM CP-55 445
DMcomp BDsup HD 16744 M HD 0
GC 3207 RA1950rad 0.68676165 DE1950rad -0.96083836 PmRA2000 0.0058
PmDE2000 -0.033
Hipparcos
Catalog H HIP 12345 Proxy RAhms 02 38 56.76
DEdms -54 50 13.9 Vmag 7.64 VarFlag R Vmag H
RAdeg 39.7365 DEdeg -54.8372 AstroRef A Plx 5.14
CCDM 02389-5450 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 16744 BD
CD CP CP-55 445 Dm number -55 445 VIred 0.47
SpType F0IV/V R SpType Coord arcsec 2000 023856.76-545013.9
Hipparcos 2
HIP 12345 Sn 95 So 3 Nc 1
RArad 0.6935325342 DErad -0.957089769 Plx 7.76 PmRA 18.06
PmDE -16.03 E RArad 1.67 E DErad 1.75 E Plx 2.01
E pmRA 2.37 E pmDE 2.4 Hpmag 7.729 E Hpmag 0.0295
SHp 0.097 VA 0 BV 0.38 E BV 0.01
VI 0.44
CCDM
Ccdm 02389-5450 RComp Comp A Note1
Note2 Discov num DRAs 3.01 DDEs -15.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.5 Sp F5 PmNote *
PmRA 47 PmDE -27 Dm number -55 445 Cat1 CPD
Name2 232845 Cat2 SAO HD 16744 M HD
ADS BDS M ADS BDS N IDS IDS 02358S5516A
HIC 12345
 
 
02389-5450 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 023856.21-545032.8 Mag 8.56 PmRA 23.00
PmDE -10.0 HIP 12342 Tycho2 8484-01509-1 CP CP-55 444
Calc delta mag 0.89 Calc coord yes
Tycho2
Tycho2 8484-01509-1 Pflag RAmdeg 39.73245910 DEmdeg -54.84244569
PmRA 26.8 PmDE -12.9 E RAmdeg 9 E DEmdeg 9
E pmRA 2.7 E pmDE 2.6 EpRAm 1991.46 EpDEm 1991.58
Num 4 Q RAmdeg 1.3 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 1.0 BTmag 9.061 E BTmag 0.019 VTmag 8.563
E VTmag 0.015 Prox 206 TYC T HIP 12342
CCDM B RAdeg 39.73235028 DEdeg -54.84241611 EpRA 1990 1.57
EpDE 1990 1.70 E RAdeg 9.1 E DEdeg 9.0 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 12342 Proxy RAhms 02 38 55.76
DEdms -54 50 32.7 Vmag 8.77 VarFlag R Vmag H
RAdeg 39.7323 DEdeg -54.8424 AstroRef B Plx 8.8
CCDM 02389-5450 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP CP-55 444 Dm number -55 444 VIred 0.52
SpType R SpType Coord arcsec 2000 023855.76-545032.7
Hipparcos 2
HIP 12342 Sn 95 So 3 Nc 1
RArad 0.693460367 DErad -0.957180629 Plx 13.87 PmRA 26.53
PmDE -11.9 E RArad 5.25 E DErad 5.34 E Plx 6.14
E pmRA 7.53 E pmDE 6.68 Hpmag 8.5855 E Hpmag 0.0538
SHp 0 VA 0 BV 0.453 E BV 0.015
VI 0.52
CCDM
Ccdm 02389-5450 RComp Comp B Note1
Note2 Discov num HJ 3520 DRAs 1.75 DDEs -33.5
R dRAs 10 Year 1879 Theta 204 Rho 20.8
Obs 4 Vmag 8.6 Sp PmNote *
PmRA 25 PmDE -14 Dm number -55 444 Cat1 CPD
Name2 232844 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 02358S5516B
HIC 12342