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Doubles in session


Current system
02440-2826
HWE 7
HD 17109


Nearby doubles
28' : 02419-2833
B 39

29' : 02439-2758
HDO 60

33' : 02438-2754
BU 261AB

53' : 02410-2903
TDS2333

55' : 02480-2836
RED 20AB

58' : 02397-2812
LDS5390

69' : 02402-2740
TDS2329

70' : 02389-2810
HJ 3518AB

86' : 02504-2819
RST1246

86' : 02479-2934
TDS2364

104' : 02442-3010
TOI 264

107' : 02359-2830
SWR 4

123' : 02371-2951
LDS3405

129' : 02383-3012
UC 766

134' : 02466-2618
TVB 39

135' : 02338-2814
HJ 3506

140' : 02347-2721
RST1243

145' : 02344-2717
DAM1290

148' : 02548-2754
HDO 58

151' : 02432-2556
B 40

151' : 02480-2606
SKF1275

158' : 02439-3104
DAW 34

159' : 02357-2632
TDS2296

160' : 02338-2956
WIS 68

163' : 02515-3036
NSN 240

166' : 02563-2857
DAW 77



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.

02440-2826 HWE 7 (HD 17109)

 
 
02h 43m 57.36s -28° 26' 22.2" P.A. 355.00 sep 4.1 mag 9.32,9.81 Sp F8
 
 
Coord 2000 02440-2826 Discov num HWE   7 Comp Coord arcsec 2000 02 43 57.36 -28 26 22.2
Date first 1877 Date last 2016 Obs 19
Pa first 352 Pa last 354.8 P.A. Now (θ) 354.8°
Sep first 3.6 Sep last 4.073 Sep. Now (ρ) 4.073"
Mag pri 9.32 Mag sec 9.81 delta mag (ΔM) 0.49 Spectral class F8 (yellow-white)
Pri motion ra -009 Sec motion ra -008
Pri motion dec -050 Sec motion dec -050
Notes V (Proper motion indicates physical)
rPM=0.02 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 17109 Constellation Fornax Tycho2 6436-01471-1 Gaia DR2 5066370845729054976
HD 17109
 
 
WDS 02440-2826 HWE 7 (HD 17109) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hwe1876 Ma - Howe, H.A. 1876PCinO...1....1.
Hwe1876 Pub. Cincinnati Obs. #1, 1876
Hwe1877 Ma - Howe, H.A. 1877PCinO...3....1.
Hwe1877 Pub. Cincinnati Obs. #3, 1877
Hwe1878 Ma j Howe, H.A. 1878PCinO...4....1.
Hwe1878 Pub. Cincinnati Obs. #4, 1878
Hwe1879 Ma j Howe, H.A. 1879PCinO...5....1.
Hwe1879 Pub. Cincinnati Obs. #5, 1879
Hwe1882 Ma - Howe, H.A. 1882PCinO...6....1.
Hwe1882 Pub. Cincinnati Obs. #6, 1882
Hwe1906A Ma - Howe, H.A. 1906MmRAS..56....1L
Hwe1906A cited by Lewis (MemRAS 56, 1, 1906)
Hwe1932A - Howe, H.A. 1932QB821.A43......
Hwe1932A cited in ADS (Aitken Double Star Cat.), 1932
Hwe9999 Ma - Howe, H.A. ...................
Hwe9999 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
02440-2826 HWE 7 1998 15 355 3.7 9.32 9.81 F8 D 024357.36-282622.2
02440-2826 HWE 7 2015 17 355 4.1 9.32 9.81 F8 V 024357.36-282622.2
02440-2826 HWE 7 2016 19 355 4.1 9.32 9.81 F8 V 024357.36-282622.2

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

 
 
WDS 02440-2826 HWE 7 (HD 17109) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02440-2826 HWE 7 (HD 17109) : MEASURES
 
 
No records found.

 
 
WDS 02440-2826 (HD 17109) : VIRTUAL EYEPIECE
 
 

02440-2826 HWE 7A mag 9.32 Sp F8 02440-2826 HWE 7B sep 4.1 P.A. 355.40 mag 9.81 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 02440-2826 (HD 17109) : ALADIN DSS IMAGE @ 02h 43m 57.36s -28° 26' 22.2"
 
 
 
 
WDS 02440-2826 HWE 7 (HD 17109) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02440-2826 HWE 7 distance=0' 02419-2833 B 39 distance=28' 02439-2758 HDO 60 distance=29' 02438-2754 BU 261AB distance=33' 02438-2754 BU 261AC distance=33' 02410-2903 TDS2333 distance=53' 02480-2836 RED 20AB distance=55' 02480-2836 RED 20BC distance=55' 02397-2812 LDS5390 distance=58' 02402-2740 TDS2329 distance=69' 02389-2810 HJ 3518AB distance=70' 02389-2810 HJ 3518AC distance=70' 02504-2819 RST1246 distance=86' 02479-2934 TDS2364 distance=86' 02442-3010 TOI 264 distance=104' 02359-2830 SWR 4 distance=107' 02371-2951 LDS3405 distance=123' 02383-3012 UC 766 distance=129' 02466-2618 TVB 39 distance=134' 02338-2814 HJ 3506 distance=135' 02347-2721 RST1243 distance=140' 02344-2717 DAM1290 distance=145' 02548-2754 HDO 58 distance=148' 02432-2556 B 40 distance=151' 02480-2606 SKF1275 distance=151' 02439-3104 DAW 34 distance=158' 02357-2632 TDS2296 distance=159' 02338-2956 WIS 68 distance=160' 02515-3036 NSN 240 distance=163' 02563-2857 DAW 77 distance=166' 02365-2613 KPP 655 distance=167' 02526-2618 RST3373 distance=172' 02316-2730 B 38 distance=174' 02370-3056 RST2283 distance=175' 02442-2530 FIN 379Aa,Ab distance=177' 02442-2530 BSO 1AB distance=177' 02540-2631 RST1247 distance=177' 02568-2932 RST1248 distance=182' 02577-2858 HJ 3543AB distance=183' 02577-2858 HJ 3543AC distance=183' 02577-2858 ABH 17AD distance=183' 02371-2541 DAM1292 distance=189' 02563-2651 UC 890 distance=190' 02551-3028 LDS5402 distance=191' 02482-3128 PRO 10 distance=191' 02368-2542 COO 13 distance=191' 02583-2903 KPP1027 distance=193' 02562-3022 BRT2852 distance=198' 02363-3120 KPP3495 distance=201' 02410-2506 LDS3414AB distance=205' 02572-3016 UC 901 distance=206' 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 02440-2826 HWE 7 355 4.1
Show 02419-2833 B 39 82 3.5 28
Show 02439-2758 HDO 60 164 9.2 29
Show 02438-2754 BU 261 AB 101 3.2 33
Show 02438-2754 BU 261 AC 134 69.8 33
Show 02410-2903 TDS2333 357 0.5 53
Show 02480-2836 RED 20 AB 115 12.2 55
Show 02480-2836 RED 20 BC 226 6.5 55
Show 02397-2812 LDS5390 130 147.2 58
Show 02402-2740 TDS2329 215 0.6 69
Show 02389-2810 HJ 3518 AB 15 13.5 70
Show 02389-2810 HJ 3518 AC 199 31.1 70
Show 02504-2819 RST1246 264 1.4 86
Show 02479-2934 TDS2364 41 0.5 86
Show 02442-3010 TOI 264 332 0.6 104
Show 02359-2830 SWR 4 55 6.1 107
Show 02371-2951 LDS3405 305 11.5 123
Show 02383-3012 UC 766 6 81.8 129
Show 02466-2618 TVB 39 1 3.1 134
Show 02338-2814 HJ 3506 246 11.0 135
Show 02347-2721 RST1243 291 2.3 140
Show 02344-2717 DAM1290 294 2.5 145
Show 02548-2754 HDO 58 351 23.5 148
Show 02432-2556 B 40 220 1.2 151
Show 02480-2606 SKF1275 88 58.4 151
Show 02439-3104 DAW 34 42 1.9 158
Show 02357-2632 TDS2296 36 0.4 159
Show 02338-2956 WIS 68 257 118.0 160
Show 02515-3036 NSN 240 357 2.1 163
Show 02563-2857 DAW 77 263 0.3 166
Show 02365-2613 KPP 655 98 6.2 167
Show 02526-2618 RST3373 314 0.6 172
Show 02316-2730 B 38 259 1.5 174
Show 02370-3056 RST2283 329 0.2 175
Show 02442-2530 FIN 379 Aa,Ab 287 0.1 177
Show 02442-2530 BSO 1 AB 193 12.5 177
Show 02540-2631 RST1247 254 0.7 177
Show 02568-2932 RST1248 236 0.6 182
Show 02577-2858 HJ 3543 AB 268 9.3 183
Show 02577-2858 HJ 3543 AC 64 16.7 183
Show 02577-2858 ABH 17 AD 264 85.6 183
Show 02371-2541 DAM1292 281 2.7 189
Show 02563-2651 UC 890 193 31.3 190
Show 02551-3028 LDS5402 12 430.6 191
Show 02482-3128 PRO 10 207 7.2 191
Show 02368-2542 COO 13 52 4.0 191
Show 02583-2903 KPP1027 222 8.2 193
Show 02562-3022 BRT2852 72 3.5 198
Show 02363-3120 KPP3495 343 1.4 201
Show 02410-2506 LDS3414 AB 294 11.7 205
Show 02572-3016 UC 901 269 10.5 206

 
 
WDS 02440-2826 : COMPONENTS
 
 
  A
B pa=355.4°
sep=4.07"
 
 
02440-2826 A
 
 
Componente originario normalizzato AB Name HD 17109 Coord arcsec 2000 024357.36-282622.2 Mag 9.32
Spectral class F8 (yellow-white) PmRA -9.00 PmDE -50.0 Tycho2 6436-01471-1
HD 17109
Tycho2
Tycho2 6436-01471-1 Pflag RAmdeg 40.98901388 DEmdeg -28.43950701
PmRA -10.7 PmDE -51.8 E RAmdeg 12 E DEmdeg 11
E pmRA 2.9 E pmDE 2.9 EpRAm 1991.52 EpDEm 1991.59
Num 3 Q RAmdeg 0.6 Q DEmdeg 0.5 Q pmRA 0.6
Q pmDE 0.4 BTmag 9.804 E BTmag 0.023 VTmag 9.321
E VTmag 0.019 Prox 40 TYC T HIP
CCDM RAdeg 40.98904167 DEdeg -28.43938861 EpRA 1990 1.72
EpDE 1990 1.77 E RAdeg 12.4 E DEdeg 11.0 Posflg
Corr 0.0
CCDM
Ccdm 02440-2826 RComp Comp A Note1
Note2 Discov num DRAs -2.36 DDEs -25.2
R dRAs 66 Year Theta Rho
Obs 2 Vmag 9.1 Sp F8 PmNote
PmRA 94 PmDE -197 Dm number -28 878 Cat1 CD
Name2 Cat2 HD 17109 M HD
ADS BDS A 2096 M ADS BDS N IDS IDS 02396S2852A
HIC
 
 
02440-2826 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 024357.34-282618.1 Mag 9.81 PmRA -8.00
PmDE -50.0 Tycho2 6436-01471-2 Calc delta mag 0.49 Calc coord yes
Tycho2
Tycho2 6436-01471-2 Pflag RAmdeg 40.98888098 DEmdeg -28.43837669
PmRA -7.7 PmDE -45.4 E RAmdeg 22 E DEmdeg 27
E pmRA 3.7 E pmDE 3.2 EpRAm 1991.44 EpDEm 1990.91
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 10.361 E BTmag 0.039 VTmag 9.809
E VTmag 0.035 Prox 40 TYC T HIP
CCDM RAdeg 40.98890056 DEdeg -28.43827306 EpRA 1990 1.90
EpDE 1990 1.80 E RAdeg 22.2 E DEdeg 26.7 Posflg
Corr -0.2
CCDM
Ccdm 02440-2826 RComp Comp B Note1
Note2 Discov num HWE 7 DRAs DDEs
R dRAs Year 1877 Theta 353 Rho 3.9
Obs 11 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2096 M ADS BDS N IDS IDS 02396S2852B
HIC