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Current system
05540+1225
LDS 891 AB


Nearby doubles
15' : 05541+1239
SKF2497

21' : 05537+1245
BPM 225

21' : 05553+1220
BPM 235

29' : 05551+1203
BPM 233

37' : 05563+1214
J 657

38' : 05523+1253
J 1090AB

38' : 05515+1217
BPM 212

39' : 05540+1146
BPM 227

41' : 05567+1231
BPM 240

41' : 05545+1146
KUI 21AB

49' : 05561+1302
BPM 236

61' : 05559+1132
KPP2272

61' : 05504+1156
GWP 718

62' : 05560+1131
HO 227

65' : 05528+1328
TDS3397

67' : 05495+1239
BUP 84

69' : 05566+1129
BPM 239

76' : 05589+1248
STT 124

77' : 05573+1127
A 2805

80' : 05586+1144
UC 84

81' : 05488+1200
HJ 5465

82' : 05549+1345
BPM 231

82' : 05488+1254
BPM 211

83' : 05487+1254
HEI 464

87' : 05592+1306
BRT1187

87' : 05599+1234
BPM 245



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.

05540+1225 LDS 891 AB

 
 
05h 53m 58.75s +12° 25' 10.0" P.A. 232.00 sep 90.1 mag 7.76,15.60 Sp F8V+DB3.8 dist. 53.53 pc (174.61 l.y.)
 
 
Coord 2000 05540+1225 Discov num LDS 891 Comp AB Coord arcsec 2000 05 53 58.75 +12 25 10.0
Date first 1936 Date last 2016 Obs 9
Pa first 230 Pa last 231.8 P.A. Now (θ) 231.8°
Sep first 86.0 Sep last 90.05 Sep. Now (ρ) 90.05"
Mag pri 7.76 Mag sec 15.60 delta mag (ΔM) 7.84 Spectral class F8V+DB3.8 (yellow-white/white dwarf)
Pri motion ra -010 Sec motion ra -018
Pri motion dec -252 Sec motion dec -256
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.035 (< 0.3, Physical double)
This double is physical.
 
 
05540+1225 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 94968 05 53 59 +12 25 10 TOK 192 Aa,Ab 2021 4 301 1.4 7.76 13.00 5.24
Show 94968 05 53 59 +12 25 10 LDS 891 AB 2016 9 232 90.1 7.76 15.60 7.84 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Orion SAO 94968 HIP 27878 Tycho2 0724-01077-1
Gaia DR2 3343249895225668992 HD 39570 GC 7413 BD BD+12 937
Distance 53.53 Distance ly 174.61
 
 
WDS 05540+1225 LDS 891 AB : NOTES
 
 
discov_num notes refcode
LDS 891 NLTT 15772/15768 Chm2004
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
 
 
DISCOVERER
 
 
idgroup discov author
1 LDS Luyten p.m. catalog (from additional DD list)
1 TOK Tokovinin, A.A.
48 TOK Tokovinin, A.A., Balega, Y.Y., Pluzhnik, E.A., Shatsky, N.I., Gorynya, N.A., &
48 TOK Weigelt, G.
62 TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
62 TOK Martinez, M., & Mondaca, E.
130 TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
130 TOK Ratzloff, J. & Walter, F.M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
05540+1225 LDS 891 AB 2004 5 227 91.0 7.76 15.60 dF8 DC NVD 055358.75+122510.0
05540+1225 LDS 891 AB 2015 7 232 90.0 7.76 15.60 F8V+DB3.8 NV 055358.75+122510.0
05540+1225 LDS 891 AB 2016 9 232 90.1 7.76 15.60 F8V+DB3.8 NV 055358.75+122510.0

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

 
 
WDS 05540+1225 LDS 891 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 05540+1225 LDS 891 AB : MEASURES
 
 
No records found.

 
 
WDS 05540+1225 : VIRTUAL EYEPIECE
 
 

05540+1225 LDS 891A mag 7.76 Sp F8V 05540+1225 TOK 192Ab sep 1.3 P.A. 301.50 mag 13 05540+1225 LDS 891B sep 88.8 P.A. 231.10 mag 15.6 Sp DB3.8 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 05540+1225 : ALADIN DSS IMAGE @ 05h 53m 58.75s +12° 25' 10.0"
 
 
 
 
WDS 05540+1225 LDS 891 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

05540+1225 LDS 891AB distance=0' 05541+1239 SKF2497 distance=15' 05537+1245 BPM 225 distance=21' 05553+1220 BPM 235 distance=21' 05551+1203 BPM 233 distance=29' 05563+1214 J 657 distance=37' 05523+1253 J 1090AB distance=38' 05515+1217 BPM 212 distance=38' 05523+1253 COU2704BD distance=39' 05523+1253 J 1090BC distance=39' 05540+1146 BPM 227 distance=39' 05567+1231 BPM 240 distance=41' 05545+1146 KUI 21AB distance=41' 05545+1146 SMR 21AC distance=41' 05545+1146 SMR 21AD distance=41' 05561+1302 BPM 236 distance=49' 05559+1132 KPP2272 distance=61' 05504+1156 GWP 718 distance=61' 05560+1131 HO 227 distance=62' 05528+1328 TDS3397 distance=65' 05495+1239 BUP 84 distance=67' 05566+1129 BPM 239 distance=69' 05589+1248 STT 124 distance=76' 05573+1127 A 2805 distance=77' 05586+1144 UC 84 distance=80' 05488+1200 HJ 5465 distance=81' 05549+1345 BPM 231 distance=82' 05488+1254 BPM 211 distance=82' 05487+1254 HEI 464 distance=83' 05592+1306 BRT1187 distance=87' 05599+1234 BPM 245 distance=87' 05547+1351 S 502 distance=87' 05480+1225 BU 561AB distance=88' 05480+1225 BU 561AC distance=88' 05570+1342 HEI 326 distance=89' 05549+1056 BWL 19AB distance=90' 05549+1056 BWL 19AC distance=90' 05549+1056 BWL 19AD distance=90' 05549+1056 BWL 19AE distance=90' 05549+1056 BWL 19AF distance=90' 05480+1204 BU 1402 distance=91' 05591+1315 BRT1186 distance=91' 05590+1321 HJ 3280 distance=92' 05549+1359 BPM 232 distance=95' 05596+1312 BRT1188 distance=95' 05561+1356 S 503AB distance=96' 05561+1356 LDS5667AE distance=96' 05561+1356 S 503AC distance=96' 05561+1356 S 503AD distance=96' 05561+1356 FYM 374AF distance=96' 05561+1356 FYM 374AG distance=96' 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 05540+1225 TOK 192 Aa,Ab 301 1.4
Show 05540+1225 LDS 891 AB 232 90.1
Show 05541+1239 SKF2497 85 11.8 15
Show 05537+1245 BPM 225 69 77.3 21
Show 05553+1220 BPM 235 2 99.4 21
Show 05551+1203 BPM 233 27 50.3 29
Show 05563+1214 J 657 202 5.9 37
Show 05523+1253 J 1090 AB 5 75.3 38
Show 05515+1217 BPM 212 35 104.8 38
Show 05523+1253 COU2704 BD 10 33.8 39
Show 05523+1253 J 1090 BC 175 2.4 39
Show 05540+1146 BPM 227 189 60.1 39
Show 05567+1231 BPM 240 222 45.2 41
Show 05545+1146 KUI 21 AB 201 20.9 41
Show 05545+1146 SMR 21 AC 276 79.3 41
Show 05545+1146 SMR 21 AD 355 82.7 41
Show 05561+1302 BPM 236 92 119.1 49
Show 05559+1132 KPP2272 326 19.1 61
Show 05504+1156 GWP 718 207 47.7 61
Show 05560+1131 HO 227 240 3.2 62
Show 05528+1328 TDS3397 80 0.6 65
Show 05495+1239 BUP 84 129 120.1 67
Show 05566+1129 BPM 239 330 119.3 69
Show 05589+1248 STT 124 299 0.6 76
Show 05573+1127 A 2805 170 1.3 77
Show 05586+1144 UC 84 336 18.5 80
Show 05488+1200 HJ 5465 45 12.0 81
Show 05549+1345 BPM 231 190 55.5 82
Show 05488+1254 BPM 211 270 98.7 82
Show 05487+1254 HEI 464 212 2.3 83
Show 05592+1306 BRT1187 156 4.8 87
Show 05599+1234 BPM 245 131 82.3 87
Show 05547+1351 S 502 132 46.0 87
Show 05480+1225 BU 561 AB 3 18.2 88
Show 05480+1225 BU 561 AC 35 77.7 88
Show 05570+1342 HEI 326 338 1.4 89
Show 05549+1056 BWL 19 AB 34 3.8 90
Show 05549+1056 BWL 19 AC 108 6.4 90
Show 05549+1056 BWL 19 AD 148 4.9 90
Show 05549+1056 BWL 19 AE 171 5.0 90
Show 05549+1056 BWL 19 AF 191 6.5 90
Show 05480+1204 BU 1402 341 10.8 91
Show 05591+1315 BRT1186 194 4.9 91
Show 05590+1321 HJ 3280 94 6.6 92
Show 05549+1359 BPM 232 215 46.1 95
Show 05596+1312 BRT1188 355 5.4 95
Show 05561+1356 S 503 AB 321 85.6 96
Show 05561+1356 LDS5667 AE 206 47.8 96
Show 05561+1356 S 503 AC 312 64.5 96
Show 05561+1356 S 503 AD 334 299.2 96
Show 05561+1356 FYM 374 AF 127 9.5 96

 
 
WDS 05540+1225 : COMPONENTS
 
 
  A Ab
Ab pa=301.5°
sep=1.33"
 
B pa=231.1°
sep=88.76"
pa=230.3°
sep=88.32"
 
 
05540+1225 A
 
 
Coord arcsec 2000 055358.75+122510.0 Mag 7.76 Spectral class F8V (yellow-white) PmRA -10.00
PmDE -252.0 SAO 94968 HIP 27878 Tycho2 0724-01077-1
HD 39570 GC 7413 BD BD+12 937
Tycho2
Tycho2 0724-01077-1 Pflag RAmdeg 88.49478332 DEmdeg 12.41943910
PmRA -7.0 PmDE -260.5 E RAmdeg 5 E DEmdeg 7
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.45 EpDEm 1991.18
Num 10 Q RAmdeg 1.0 Q DEmdeg 0.3 Q pmRA 1.1
Q pmDE 0.3 BTmag 8.489 E BTmag 0.016 VTmag 7.821
E VTmag 0.012 Prox 999 TYC T HIP 27878
CCDM RAdeg 88.49479944 DEdeg 12.42003167 EpRA 1990 1.86
EpDE 1990 1.81 E RAdeg 5.4 E DEdeg 7.0 Posflg
Corr 0.1
SAO
SAO 94968 DelFlag RA1950 PmRA1950 -0.0013
DE1950 PmDE1950 -0.275 Vmag 7.6 SpType F8
Double code Source 70 CatNum 7413 DM BD+12 937
DMcomp BDsup HD 39570 M HD 0
GC 7413 RA1950rad 1.53227791 DE1950rad 0.21666339 PmRA2000 -0.0013
PmDE2000 -0.275
Hipparcos
Catalog H HIP 27878 Proxy RAhms 05 53 58.75
DEdms +12 25 12.2 Vmag 7.76 VarFlag R Vmag G
RAdeg 88.4948 DEdeg 12.4201 AstroRef Plx 18.64
CCDM 05540+1225 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 39570 BD BD+12 937
CD CP Dm number +12 937 VIred 0.66
SpType F8 R SpType Coord arcsec 2000 055358.75+122512.2
Hipparcos 2
HIP 27878 Sn 5 So 0 Nc 1
RArad 1.544525734 DErad 0.2167711014 Plx 18.68 PmRA -9.41
PmDE -260.18 E RArad 0.74 E DErad 0.51 E Plx 0.81
E pmRA 0.86 E pmDE 0.58 Hpmag 7.8809 E Hpmag 0.0011
SHp 0.009 VA 0 BV 0.59 E BV 0.015
VI 0.66
CCDM
Ccdm 05540+1225 RComp Comp A Note1
Note2 Discov num DRAs -1.22 DDEs 9.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp F8 PmNote *
PmRA -1 PmDE -264 Dm number +12 937 Cat1 BD
Name2 +12 634 Cat2 AGK2/3 HD 39570 M HD
ADS BDS M ADS BDS N IDS IDS 05484N1224A
HIC 27878
 
 
05540+1225 Ab
 
 
Coord arcsec 2000 055358.67+122510.7 Mag 13 Calc delta mag 5.24 Calc coord yes
 
 
05540+1225 B
 
 
Coord arcsec 2000 055354.03+122414.3 Mag 15.6 Spectral class DB3.8 (white dwarf) PmRA -18.00
PmDE -256.0 Calc delta mag 7.84 Calc coord yes
CCDM
Ccdm 05540+1225 RComp Comp B Note1
Note2 Discov num LDS 891 DRAs DDEs
R dRAs Year 1936 Theta 230 Rho 86.0
Obs 1 Vmag 15.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 05484N1224B
HIC