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Doubles in session


Current system
02551-1603
HDS 373
HD 18218


Nearby doubles
10' : 02558-1606
GWP 398

13' : 02560-1607
ARA 16

21' : 02537-1603
A 2907

22' : 02546-1623
ARA 15

43' : 02524-1546
LDS5398

44' : 02559-1521
LDS3441

44' : 02580-1550
HU 811AB

47' : 02583-1616
LDS5407AB

57' : 02586-1628
GWP 407

66' : 02514-1526
GWP 382

82' : 02564-1722
LDS3442

86' : 02585-1453
GWP 405

98' : 02533-1737
TSN 105

103' : 03019-1633
RST2292AB

105' : 02537-1421
GAL 80

110' : 02596-1436
LDS3445

112' : 02491-1712
GWP 373

114' : 02504-1733
B 1926

116' : 02474-1536
BRT 606

117' : 03025-1516
HJL1114

122' : 02550-1402
GAL 328AB

122' : 02472-1523
BU 1002

123' : 02472-1646
LDS5394

127' : 02490-1432
KPP2871

134' : 02563-1816
GWP 400

136' : 03015-1743
B 1927



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.

02551-1603 HDS 373 (HD 18218)

 
 
02h 55m 07.77s -16° 02' 49.8" P.A. 137.00 sep 0.5 mag 8.71,10.92 Sp A5IV dist. 253.16 pc (825.81 l.y.)
 
 
Coord 2000 02551-1603 Discov num HDS 373 Comp Coord arcsec 2000 02 55 07.77 -16 02 49.8
Date first 1991 Date last 2021 Obs 2
Pa first 139 Pa last 137.2 P.A. Now (θ) 137.2°
Sep first 0.6 Sep last 0.535 Sep. Now (ρ) 0.535"
Mag pri 8.71 Mag sec 10.92 delta mag (ΔM) 2.21 Spectral class A5IV (white)
Pri motion ra -002 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 18218 Constellation Eridanus SAO 148665 HIP 13590
Tycho2 5864-00630-1 Gaia DR2 5153782535532584832 HD 18218 BD BD-16 531
Distance 253.16 Distance ly 825.81
 
 
WDS 02551-1603 HDS 373 (HD 18218) : 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
02551-1603 HDS 373 1991 1 139 0.6 8.63 12.15 A5IV D 025507.77-160249.8
02551-1603 HDS 373 2021 2 137 0.5 8.71 10.92 A5IV 025507.77-160249.8

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

 
 
WDS 02551-1603 HDS 373 (HD 18218) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02551-1603 HDS 373 (HD 18218) : MEASURES
 
 
No records found.

 
 
WDS 02551-1603 (HD 18218) : VIRTUAL EYEPIECE
 
 

02551-1603 HDS 373A mag 8.71 Sp A5IV 02551-1603 HDS 373B sep 0.5 P.A. 138.30 mag 10.92 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 02551-1603 (HD 18218) : ALADIN DSS IMAGE @ 02h 55m 07.77s -16° 02' 49.8"
 
 
 
 
WDS 02551-1603 HDS 373 (HD 18218) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02551-1603 HDS 373 distance=0' 02558-1606 GWP 398 distance=10' 02560-1607 ARA 16 distance=13' 02537-1603 A 2907 distance=21' 02546-1623 ARA 15 distance=22' 02524-1546 LDS5398 distance=43' 02559-1521 LDS3441 distance=44' 02580-1550 HU 811AB distance=44' 02580-1550 WIS 78AC distance=44' 02583-1616 LDS5407AB distance=47' 02583-1616 LDS5407Aa,Ab distance=47' 02586-1628 GWP 407 distance=57' 02514-1526 GWP 382 distance=66' 02564-1722 LDS3442 distance=82' 02585-1453 GWP 405 distance=86' 02533-1737 TSN 105 distance=98' 03019-1633 RST2292BC distance=103' 03019-1633 RST2292AB distance=103' 03019-1633 RST2292AC distance=103' 02537-1421 GAL 80 distance=105' 02596-1436 LDS3445 distance=110' 02491-1712 GWP 373 distance=112' 02504-1733 B 1926 distance=114' 02474-1536 BRT 606 distance=116' 03025-1516 HJL1114 distance=117' 02550-1402 HDS 372Aa,Ab distance=122' 02550-1402 GAL 328AB distance=122' 02472-1523 BU 1002 distance=122' 02472-1646 LDS5394 distance=123' 02490-1432 KPP2871 distance=127' 02563-1816 GWP 400 distance=134' 03015-1743 B 1927 distance=136' 02483-1421 LDS5395 distance=141' 03012-1753 HJ 3546 distance=141' 02474-1733 GWP 369AB distance=143' 02474-1733 SKF2168AC distance=143' 02542-1826 LDS3437 distance=144' 03013-1410 TDS2415 distance=145' 03014-1409 GWP 410 distance=146' 02575-1340 UC 907 distance=147' 02456-1508 BRT 605 distance=148' 02578-1826 RSS 61 distance=149' 03012-1816 GWP 408 distance=160' 03043-1428 TDS2435 distance=164' 03020-1812 YSC 175 distance=164' 03042-1421 LDS5410 distance=167' 02470-1358 A 2905 distance=172' 02476-1819 LV 2 distance=174' 03054-1432 GWP 418 distance=174' 02484-1338 RST3372 distance=175' 02535-1859 LDS5400 distance=180' 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 02551-1603 HDS 373 137 0.5
Show 02558-1606 GWP 398 56 81.4 10
Show 02560-1607 ARA 16 233 8.0 13
Show 02537-1603 A 2907 128 1.7 21
Show 02546-1623 ARA 15 6 11.7 22
Show 02524-1546 LDS5398 105 114.7 43
Show 02559-1521 LDS3441 23 18.3 44
Show 02580-1550 HU 811 AB 239 1.7 44
Show 02580-1550 WIS 78 AC 351 144.0 44
Show 02583-1616 LDS5407 AB 93 241.9 47
Show 02583-1616 LDS5407 Aa,Ab 65 3.3 47
Show 02586-1628 GWP 407 279 12.0 57
Show 02514-1526 GWP 382 82 66.7 66
Show 02564-1722 LDS3442 290 12.2 82
Show 02585-1453 GWP 405 97 398.9 86
Show 02533-1737 TSN 105 180 102.2 98
Show 03019-1633 RST2292 BC 317 1.2 103
Show 03019-1633 RST2292 AB 317 1.1 103
Show 03019-1633 RST2292 AC 313 6.1 103
Show 02537-1421 GAL 80 155 6.1 105
Show 02596-1436 LDS3445 337 9.8 110
Show 02491-1712 GWP 373 167 117.3 112
Show 02504-1733 B 1926 163 0.3 114
Show 02474-1536 BRT 606 331 3.0 116
Show 03025-1516 HJL1114 200 0.0 117
Show 02550-1402 HDS 372 Aa,Ab 150 0.3 122
Show 02550-1402 GAL 328 AB 278 11.3 122
Show 02472-1523 BU 1002 356 1.5 122
Show 02472-1646 LDS5394 315 93.4 123
Show 02490-1432 KPP2871 99 8.4 127
Show 02563-1816 GWP 400 287 65.9 134
Show 03015-1743 B 1927 236 0.9 136
Show 02483-1421 LDS5395 120 214.4 141
Show 03012-1753 HJ 3546 82 8.7 141
Show 02474-1733 GWP 369 AB 352 69.8 143
Show 02474-1733 SKF2168 AC 284 4.7 143
Show 02542-1826 LDS3437 271 57.2 144
Show 03013-1410 TDS2415 301 5.6 145
Show 03014-1409 GWP 410 267 53.2 146
Show 02575-1340 UC 907 277 65.1 147
Show 02456-1508 BRT 605 209 4.1 148
Show 02578-1826 RSS 61 356 31.1 149
Show 03012-1816 GWP 408 198 84.3 160
Show 03043-1428 TDS2435 57 1.0 164
Show 03020-1812 YSC 175 280 0.1 164
Show 03042-1421 LDS5410 302 14.9 167
Show 02470-1358 A 2905 188 3.6 172
Show 02476-1819 LV 2 26 2.9 174
Show 03054-1432 GWP 418 248 21.4 174
Show 02484-1338 RST3372 112 1.9 175
Show 02535-1859 LDS5400 156 308.4 180

 
 
WDS 02551-1603 : COMPONENTS
 
 
  A
B pa=138.3°
sep=0.53"
 
 
02551-1603 A
 
 
Componente originario normalizzato AB Name HD 18218 Coord arcsec 2000 025507.77-160249.8 Mag 8.71
Spectral class A5IV (white) PmRA -2.00 PmDE -11.0 SAO 148665
HIP 13590 Tycho2 5864-00630-1 HD 18218 BD BD-16 531
Tycho2
Tycho2 5864-00630-1 Pflag RAmdeg 43.78236512 DEmdeg -16.04719492
PmRA -5.2 PmDE -9.4 E RAmdeg 8 E DEmdeg 9
E pmRA 1.4 E pmDE 1.3 EpRAm 1990.91 EpDEm 1990.57
Num 8 Q RAmdeg 1.4 Q DEmdeg 1.4 Q pmRA 1.4
Q pmDE 1.5 BTmag 8.845 E BTmag 0.019 VTmag 8.565
E VTmag 0.016 Prox 999 TYC T HIP 13590
CCDM AB RAdeg 43.78237750 DEdeg -16.04717250 EpRA 1990 1.79
EpDE 1990 1.74 E RAdeg 7.9 E DEdeg 8.9 Posflg P
Corr 0.0
SAO
SAO 148665 DelFlag RA1950 PmRA1950 -0.0007
DE1950 PmDE1950 -0.035 Vmag 8.4 SpType A2
Double code Source 21 CatNum 772 DM BD-16 531
DMcomp BDsup HD 18218 M HD 0
GC RA1950rad 0.75393313 DE1950rad -0.28360325 PmRA2000 -0.0003
PmDE2000 -0.037
Hipparcos
Catalog H HIP 13590 Proxy H RAhms 02 55 07.77
DEdms -16 02 49.8 Vmag 8.52 VarFlag R Vmag H
RAdeg 43.7824 DEdeg -16.0472 AstroRef A Plx 3.91
CCDM 02551-1603 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 139 Rho 0.563 HD 18218 BD BD-16 531
CD CP Dm number -16 531 VIred 0.22
SpType A5IV R SpType Coord arcsec 2000 025507.77-160249.8
Hipparcos 2
HIP 13590 Sn 15 So 3 Nc 2
RArad 0.7641465756 DErad -0.2800759383 Plx 3.95 PmRA -4.55
PmDE -12.9 E RArad 0.76 E DErad 0.79 E Plx 1.01
E pmRA 0.95 E pmDE 1.07 Hpmag 8.5896 E Hpmag 0.0024
SHp 0.02 VA 0 BV 0.266 E BV 0.018
VI 0.3
CCDM
Ccdm 02551-1603 RComp Comp A Note1
Note2 Discov num DRAs 1.77 DDEs 10.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.6 Sp A5 PmNote *
PmRA -2 PmDE -11 Dm number -16 531 Cat1 BD
Name2 148665 Cat2 SAO HD 18218 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 13590
 
 
02551-1603 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 025507.79-160250.2 Mag 10.92 Calc delta mag 2.21
Calc coord yes
CCDM
Ccdm 02551-1603 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.79 DDEs 9.7
R dRAs 82 Year 1991 Theta 139 Rho 0.6
Obs 1 Vmag 12.1 Sp PmNote *
PmRA -2 PmDE -11 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 13590