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Doubles in session


Current system
02540-3554
LDS 81


Nearby doubles
18' : 02548-3609
SKF1428

37' : 02562-3529
SKF1200

37' : 02568-3609
LDS 82AB

40' : 02558-3521
B 1440

47' : 02502-3551
HJ 3536

53' : 02531-3502
RST5193

61' : 02526-3457
UC 834

62' : 02544-3656
B 1439

65' : 02564-3457
RST5194

77' : 02590-3507
KPP1135

78' : 02526-3438
LDS3436

81' : 03007-3556
KPP2862AB

97' : 02481-3659
DAW 35AB

105' : 02499-3422
JSP 42

110' : 02464-3655
B 1436

111' : 02486-3724
HJ 3532

127' : 02489-3404
YMG 3

132' : 02496-3355
KPP2638

137' : 02588-3758
TDS2402

146' : 02445-3427
TDS2350

149' : 02454-3410
TDS2351

153' : 02536-3826
TOK 652

155' : 03058-3656
RST2295

156' : 02499-3821
TVB 40

158' : 02523-3317
FIN 16

160' : 02497-3825
LDS3431AB



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.

02540-3554 LDS 81

 
 
02h 54m 02.74s -35° 54' 16.7" P.A. 189.00 sep 36.5 mag 8.25,13.80 Sp K3V dist. 28.92 pc (94.34 l.y.)
 
 
Coord 2000 02540-3554 Discov num LDS  81 Comp Coord arcsec 2000 02 54 02.74 -35 54 16.7
Date first 1960 Date last 2015 Obs 7
Pa first 186 Pa last 189.4 P.A. Now (θ) 189.4°
Sep first 37.0 Sep last 36.46 Sep. Now (ρ) 36.46"
Mag pri 8.25 Mag sec 13.80 delta mag (ΔM) 5.55 Spectral class K3V (yellow-orange)
Pri motion ra +537 Sec motion ra
Pri motion dec -117 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Fornax SAO 193970 HIP 13513 Tycho2 7018-00792-1
HD 18168 GL Gl 118.1A CD CD-36 1091 CP CP-36 296
Distance 28.92 Distance ly 94.34
 
 
WDS 02540-3554 LDS 81 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
LDS Luyten p.m. catalog (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
02540-3554 LDS 81 1998 4 189 36.5 8.25 13.80 K3V D 025402.41-355415.3
02540-3554 LDS 81 2010 6 189 36.5 8.25 13.80 K3V 025402.41-355415.3
02540-3554 LDS 81 2015 7 189 36.5 8.25 13.80 K3V 025402.74-355416.7

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

 
 
WDS 02540-3554 LDS 81 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02540-3554 LDS 81 : MEASURES
 
 
No records found.

 
 
WDS 02540-3554 : VIRTUAL EYEPIECE
 
 

02540-3554 LDS 81A mag 8.25 Sp K3V 02540-3554 LDS 81B sep 36.3 P.A. 187.60 mag 13.8 virtual eyepiece
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Radius:
Components only
 
 
WDS 02540-3554 : ALADIN DSS IMAGE @ 02h 54m 02.74s -35° 54' 16.7"
 
 
 
 
WDS 02540-3554 LDS 81 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02540-3554 LDS 81 distance=0' 02548-3609 SKF1428 distance=18' 02562-3529 SKF1200 distance=37' 02568-3609 HDS 378Aa,Ab distance=37' 02568-3609 LDS 82AB distance=37' 02558-3521 B 1440 distance=40' 02502-3551 HJ 3536 distance=47' 02531-3502 RST5193 distance=53' 02526-3457 UC 834 distance=61' 02544-3656 B 1439 distance=62' 02564-3457 RST5194 distance=65' 02590-3507 KPP1135 distance=77' 02526-3438 LDS3436 distance=78' 03007-3556 KPP2862AB distance=81' 02481-3659 DAW 35AB distance=97' 02499-3422 JSP 42 distance=105' 02464-3655 B 1436 distance=110' 02486-3724 HJ 3532 distance=111' 02489-3404 YMG 3 distance=127' 02496-3355 KPP2638 distance=132' 02588-3758 TDS2402 distance=137' 02445-3427 TDS2350 distance=146' 02454-3410 TDS2351 distance=149' 02536-3826 TOK 652 distance=153' 03058-3656 RST2295 distance=155' 02499-3821 TVB 40 distance=156' 02523-3317 FIN 16 distance=158' 02497-3825 LDS3431AB distance=160' 02436-3416 TDS2343 distance=162' 03052-3725 BRG 18 distance=162' 02413-3509 TDS2336 distance=162' 02515-3315 TDS2374 distance=163' 03063-3447 TDS2443 distance=165' 02558-3839 B 679 distance=167' 03058-3430 TDS2441 distance=167' 03047-3410 WHI 4 distance=168' 03031-3803 HJ 3549 distance=169' 03033-3347 RST2293 distance=172' 03055-3738 HDS 392 distance=173' 02400-3626 UC 770 distance=174' 02434-3756 TOK 187 distance=176' 02393-3605 LDS3412 distance=180' 02418-3412 KPP3499 distance=182' 03040-3339 UC 937 distance=183' 02413-3735 KPP3497 distance=184' 03012-3311 UC 931 distance=186' 02588-3851 RST3374 distance=186' 02395-3457 TDS2321 distance=187' 02583-3254 KPP1673 distance=189' 02408-3418 SHN 72 distance=189' 02416-3358 SHN 74 distance=193' 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 02540-3554 LDS 81 189 36.5
Show 02548-3609 SKF1428 147 24.5 18
Show 02562-3529 SKF1200 111 18.6 37
Show 02568-3609 HDS 378 Aa,Ab 311 0.3 37
Show 02568-3609 LDS 82 AB 70 26.9 37
Show 02558-3521 B 1440 22 7.4 40
Show 02502-3551 HJ 3536 16 4.9 47
Show 02531-3502 RST5193 241 1.8 53
Show 02526-3457 UC 834 298 17.5 61
Show 02544-3656 B 1439 60 2.7 62
Show 02564-3457 RST5194 136 0.4 65
Show 02590-3507 KPP1135 233 8.9 77
Show 02526-3438 LDS3436 291 15.4 78
Show 03007-3556 KPP2862 AB 280 3.4 81
Show 02481-3659 DAW 35 AB 169 2.2 97
Show 02499-3422 JSP 42 357 0.8 105
Show 02464-3655 B 1436 17 1.4 110
Show 02486-3724 HJ 3532 144 5.3 111
Show 02489-3404 YMG 3 38 0.1 127
Show 02496-3355 KPP2638 236 24.5 132
Show 02588-3758 TDS2402 234 0.5 137
Show 02445-3427 TDS2350 219 0.5 146
Show 02454-3410 TDS2351 126 1.3 149
Show 02536-3826 TOK 652 222 560.9 153
Show 03058-3656 RST2295 332 1.1 155
Show 02499-3821 TVB 40 67 4.7 156
Show 02523-3317 FIN 16 254 3.3 158
Show 02497-3825 LDS3431 AB 184 3.8 160
Show 02436-3416 TDS2343 270 0.7 162
Show 03052-3725 BRG 18 357 0.2 162
Show 02413-3509 TDS2336 188 1.1 162
Show 02515-3315 TDS2374 339 0.5 163
Show 03063-3447 TDS2443 312 0.8 165
Show 02558-3839 B 679 54 2.2 167
Show 03058-3430 TDS2441 184 0.8 167
Show 03047-3410 WHI 4 15 0.2 168
Show 03031-3803 HJ 3549 275 6.2 169
Show 03033-3347 RST2293 281 0.8 172
Show 03055-3738 HDS 392 357 0.1 173
Show 02400-3626 UC 770 275 8.0 174
Show 02434-3756 TOK 187 203 0.3 176
Show 02393-3605 LDS3412 88 14.7 180
Show 02418-3412 KPP3499 228 3.7 182
Show 03040-3339 UC 937 7 12.1 183
Show 02413-3735 KPP3497 304 1.7 184
Show 03012-3311 UC 931 292 62.5 186
Show 02588-3851 RST3374 91 0.3 186
Show 02395-3457 TDS2321 16 0.4 187
Show 02583-3254 KPP1673 180 12.9 189
Show 02408-3418 SHN 72 180 1.0 189
Show 02416-3358 SHN 74 -1 0.4 193

 
 
WDS 02540-3554 : COMPONENTS
 
 
  A
B pa=187.6°
sep=36.29"
 
 
02540-3554 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 025402.74-355416.7 Mag 8.25 Spectral class K3V (yellow-orange)
PmRA 537.00 PmDE -117.0 SAO 193970 HIP 13513
Tycho2 7018-00792-1 HD 18168 CD CD-36 1091 CP CP-36 296
Tycho2
Tycho2 7018-00792-1 Pflag RAmdeg 43.51161133 DEmdeg -35.90468628
PmRA 517.1 PmDE -174.0 E RAmdeg 7 E DEmdeg 6
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.77 EpDEm 1991.10
Num 11 Q RAmdeg 0.9 Q DEmdeg 0.7 Q pmRA 1.0
Q pmDE 0.7 BTmag 9.422 E BTmag 0.018 VTmag 8.320
E VTmag 0.011 Prox 999 TYC T HIP 13513
CCDM RAdeg 43.51012917 DEdeg -35.90428806 EpRA 1990 1.64
EpDE 1990 1.76 E RAdeg 6.6 E DEdeg 6.1 Posflg
Corr 0.2
SAO
SAO 193970 DelFlag RA1950 PmRA1950 0.0444
DE1950 PmDE1950 -0.162 Vmag 8.1 SpType K5
Double code Source 41 CatNum 934 DM CD-36 1091
DMcomp BDsup HD 18168 M HD 0
GC RA1950rad 0.75050694 DE1950rad -0.6301499 PmRA2000 0.0447
PmDE2000 -0.168
Hipparcos
Catalog H HIP 13513 Proxy RAhms 02 54 02.41
DEdms -35 54 15.3 Vmag 8.23 VarFlag R Vmag H
RAdeg 43.5101 DEdeg -35.9043 AstroRef Plx 33.83
CCDM 02540-3554 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 18168 BD
CD CD-36 1091 CP CP-36 296 Dm number -36 1091 VIred 1.04
SpType K1V R SpType Coord arcsec 2000 025402.41-355415.3
Hipparcos 2
HIP 13513 Sn 5 So 0 Nc 1
RArad 0.7593937921 DErad -0.6266476185 Plx 34.58 PmRA 515.96
PmDE -173.65 E RArad 0.5 E DErad 0.64 E Plx 0.85
E pmRA 0.69 E pmDE 0.86 Hpmag 8.3698 E Hpmag 0.0017
SHp 0.024 VA 0 BV 0.933 E BV 0.006
VI 1.04
CCDM
Ccdm 02540-3554 RComp Comp A Note1
Note2 Discov num DRAs 2.90 DDEs -15.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.1 Sp K5 PmNote *
PmRA 537 PmDE -162 Dm number -36 1091 Cat1 CD
Name2 193970 Cat2 SAO HD 18168 M HD
ADS BDS M ADS BDS N IDS IDS 02500S3618A
HIC 13513
 
 
02540-3554 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 025402.34-355452.7 Mag 13.8 Calc delta mag 5.55
Calc coord yes
CCDM
Ccdm 02540-3554 RComp Comp B Note1
Note2 Discov num LDS 81 DRAs DDEs
R dRAs Year Theta 186 Rho 37.0
Obs Vmag 12.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 02500S3618B
HIC