stampa
Login

Filter only those doubles you can observe? Yes, you can!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20393+2714
HJ 1557 AB
HD 340799


Nearby doubles
8' : 20391+2710
CVR 228

18' : 20387+2701
TDT2447

27' : 20412+2703
COU1038AB

31' : 20373+2703
TDS1086

39' : 20399+2753
MLB 613

43' : 20411+2751
TDT2471

43' : 20425+2704
TDT2484

46' : 20367+2649
J 3097

50' : 20429+2732
J 513

53' : 20391+2624
J 570

54' : 20382+2806
MLB 612

55' : 20430+2649
BUP 216

55' : 20435+2709
TDT2500

56' : 20357+2741
BRT3359

58' : 20355+2739
COU1171

60' : 20429+2754
MLB 709

63' : 20359+2756
TDT2406

63' : 20357+2754
HJ 1544

71' : 20343+2659
SMH 11

71' : 20350+2754
FOX 95

72' : 20447+2703
TDT2515

73' : 20349+2757
GRV 358

73' : 20384+2604
COU 522

76' : 20368+2823
MLB 482

77' : 20337+2659
HJ 1536AB

78' : 20337+2701
DAM 330



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.

20393+2714 HJ 1557 AB (HD 340799)

 
 
20h 39m 25.84s +27° 15' 16.2" P.A. 207.00 sep 13.1 mag 10.56,11.47 Sp G0
 
 
Coord 2000 20393+2714 Discov num HJ 1557 Comp AB Coord arcsec 2000 20 39 25.84 +27 15 16.2
Date first 1828 Date last 2015 Obs 19
Pa first 207 Pa last 207.3 P.A. Now (θ) 207.3°
Sep first 6.0 Sep last 13.054 Sep. Now (ρ) 13.054"
Mag pri 10.56 Mag sec 11.47 delta mag (ΔM) 0.91 Spectral class G0 (yellow)
Pri motion ra -007 Sec motion ra -008
Pri motion dec -022 Sec motion dec -022
Notes
rPM=0.043 (< 0.3, Physical double)
This double is physical.
 
 
20393+2714 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 340799 20 39 26 +27 15 16 HJ 1557 AB 2015 19 207 13.1 10.56 11.47 0.91 <===
Show 20 39 25 +27 15 05 TDT 2454 Ba,Bb 2016 4 46 0.9 11.47 11.80 0.33
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 340799 Constellation Vulpecula Tycho2 2178-01186-1 Gaia DR2 1856411588347623040
HD 340799
 
 
WDS 20393+2714 HJ 1557 AB (HD 340799) : NOTES
 
 
No records found.

 
 
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
20393+2714 HJ 1557 AB 1991 6 208 13.4 10.56 11.47 G0 203925.39+271504.5
20393+2714 HJ 1557 AB 2011 8 207 13.1 10.56 11.47 G0 203925.39+271504.5
20393+2714 HJ 1557 AB 2013 13 207 13.1 10.56 11.47 G0 203925.84+271516.2
20393+2714 HJ 1557 AB 2015 16 208 13.4 10.56 11.47 G0 203925.84+271516.2

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

 
 
WDS 20393+2714 HJ 1557 AB (HD 340799) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20393+2714 HJ 1557 AB (HD 340799) : MEASURES
 
 
No records found.

 
 
WDS 20393+2714 (HD 340799) : VIRTUAL EYEPIECE
 
 

20393+2714 HJ 1557A mag 10.56 Sp G0 20393+2714 TDT2454B sep 13.1 P.A. 207.40 mag 11.47 20393+2714 TDT2454Bb sep 12.2 P.A. 206.30 mag 11.8 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 20393+2714 (HD 340799) : ALADIN DSS IMAGE @ 20h 39m 25.84s +27° 15' 16.2"
 
 
 
 
WDS 20393+2714 HJ 1557 AB (HD 340799) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20393+2714 HJ 1557AB distance=0' 20393+2714 TDT2454Ba,Bb distance=1' 20391+2710 CVR 228 distance=8' 20387+2701 TDT2447 distance=18' 20412+2703 COU1038AB distance=27' 20412+2703 KPP4398AC distance=27' 20373+2703 TDS1086 distance=31' 20399+2753 MLB 613 distance=39' 20411+2751 TDT2471 distance=43' 20425+2704 TDT2484 distance=43' 20367+2649 J 3097 distance=46' 20429+2732 J 513 distance=50' 20391+2624 J 570 distance=53' 20382+2806 MLB 612 distance=54' 20430+2649 BUP 216 distance=55' 20435+2709 TDT2500 distance=55' 20357+2741 BRT3359 distance=56' 20355+2739 COU1171 distance=58' 20429+2754 MLB 709 distance=60' 20359+2756 TDT2406 distance=63' 20357+2754 HJ 1544 distance=63' 20343+2659 SMH 11 distance=71' 20350+2754 FOX 95 distance=71' 20447+2703 TDT2515 distance=72' 20349+2757 GRV 358 distance=73' 20384+2604 COU 522 distance=73' 20368+2823 MLB 482 distance=76' 20337+2659 HJ 1536AB distance=77' 20337+2659 SMH 10AC distance=77' 20337+2701 DAM 330 distance=78' 20338+2653 DAM 331 distance=79' 20433+2616 COU1039 distance=79' 20400+2835 TDS1088 distance=81' 20371+2830 TDT2426AB distance=81' 20394+2554 TDT2455 distance=82' 20449+2640 STJ 56 distance=82' 20333+2727 HDS2935 distance=83' 20399+2549 J 3105 distance=84' 20332+2657 COU1170 distance=85' 20409+2553 J 3106 distance=85' 20328+2700 DAM 329 distance=90' 20341+2814 L 48AB distance=92' 20341+2814 L 48AC distance=92' 20423+2837 HJ 1561 distance=92' 20338+2808 STF2698 distance=92' 20461+2740 TDT2527 distance=93' 20324+2731 FOX 93 distance=95' 20324+2703 DAM 328 distance=95' 20463+2740 MLB 712AB distance=96' 20463+2740 MLB 712AC distance=96' 20463+2740 BRT3362CD 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 20393+2714 HJ 1557 AB 207 13.1
Show 20393+2714 TDT2454 Ba,Bb 46 0.9 1
Show 20391+2710 CVR 228 320 43.3 8
Show 20387+2701 TDT2447 164 0.6 18
Show 20412+2703 COU1038 AB 90 1.2 27
Show 20412+2703 KPP4398 AC 215 43.4 27
Show 20373+2703 TDS1086 315 1.7 31
Show 20399+2753 MLB 613 143 8.2 39
Show 20411+2751 TDT2471 2 0.2 43
Show 20425+2704 TDT2484 199 0.5 43
Show 20367+2649 J 3097 64 5.7 46
Show 20429+2732 J 513 163 4.0 50
Show 20391+2624 J 570 82 4.9 53
Show 20382+2806 MLB 612 168 6.6 54
Show 20430+2649 BUP 216 97 65.2 55
Show 20435+2709 TDT2500 353 2.2 55
Show 20357+2741 BRT3359 268 4.3 56
Show 20355+2739 COU1171 103 0.5 58
Show 20429+2754 MLB 709 323 2.7 60
Show 20359+2756 TDT2406 170 0.5 63
Show 20357+2754 HJ 1544 226 8.7 63
Show 20343+2659 SMH 11 80 15.9 71
Show 20350+2754 FOX 95 195 4.1 71
Show 20447+2703 TDT2515 278 0.4 72
Show 20349+2757 GRV 358 72 17.8 73
Show 20384+2604 COU 522 245 5.0 73
Show 20368+2823 MLB 482 269 8.5 76
Show 20337+2659 HJ 1536 AB 99 16.3 77
Show 20337+2659 SMH 10 AC 127 15.0 77
Show 20337+2701 DAM 330 143 10.8 78
Show 20338+2653 DAM 331 122 4.3 79
Show 20433+2616 COU1039 237 1.0 79
Show 20400+2835 TDS1088 153 0.9 81
Show 20371+2830 TDT2426 AB 259 2.6 81
Show 20394+2554 TDT2455 28 1.3 82
Show 20449+2640 STJ 56 251 0.8 82
Show 20333+2727 HDS2935 113 0.5 83
Show 20399+2549 J 3105 170 5.7 84
Show 20332+2657 COU1170 291 4.1 85
Show 20409+2553 J 3106 355 4.8 85
Show 20328+2700 DAM 329 237 8.5 90
Show 20341+2814 L 48 AB 102 4.0 92
Show 20341+2814 L 48 AC 192 8.7 92
Show 20423+2837 HJ 1561 275 9.4 92
Show 20338+2808 STF2698 305 4.5 92
Show 20461+2740 TDT2527 94 2.0 93
Show 20324+2731 FOX 93 184 1.4 95
Show 20324+2703 DAM 328 76 12.4 95
Show 20463+2740 MLB 712 AB 43 8.5 96
Show 20463+2740 MLB 712 AC 126 24.1 96
Show 20463+2740 BRT3362 CD 84 6.3 96

 
 
WDS 20393+2714 : COMPONENTS
 
 
  A B
B pa=207.4°
sep=13.06"
 
Bb pa=206.3°
sep=12.23"
pa=42.9°
sep=0.86"
 
 
20393+2714 A
 
 
Name HD 340799 Coord arcsec 2000 203925.84+271516.2 Mag 10.56 Spectral class G0 (yellow)
PmRA -7.00 PmDE -22.0 Tycho2 2178-01186-1 HD 340799
DM BD+26 3945
Tycho2
Tycho2 2178-01186-1 Pflag RAmdeg 309.85767136 DEmdeg 27.25448686
PmRA -11.7 PmDE -19.0 E RAmdeg 27 E DEmdeg 25
E pmRA 1.8 E pmDE 1.8 EpRAm 1989.46 EpDEm 1989.56
Num 4 Q RAmdeg 1.6 Q DEmdeg 1.2 Q pmRA 1.7
Q pmDE 1.2 BTmag 11.114 E BTmag 0.043 VTmag 10.562
E VTmag 0.038 Prox 124 TYC T HIP
CCDM RAdeg 309.85770139 DEdeg 27.25453056 EpRA 1990 1.83
EpDE 1990 1.71 E RAdeg 27.0 E DEdeg 24.5 Posflg
Corr -0.1
 
 
20393+2714 B
 
 
Coord arcsec 2000 203925.39+271504.6 Coord calc 203925.44+271504.6 Mag 11.47 Mag composta 11.47
PmRA -6.00 PmDE -20.0 Tycho2 2178-01029-1 Calc delta mag 0.91
Tycho2
Tycho2 2178-01029-1 Pflag P RAmdeg 309.85583381 DEmdeg 27.25128521
PmRA -6.0 PmDE -20.3 E RAmdeg 50 E DEmdeg 47
E pmRA 2.3 E pmDE 2.2 EpRAm 1986.03 EpDEm 1986.27
Num 4 Q RAmdeg 0.3 Q DEmdeg 0.3 Q pmRA 0.3
Q pmDE 0.3 BTmag 11.956 E BTmag 0.086 VTmag 11.446
E VTmag 0.081 Prox 10 TYC T HIP
CCDM RAdeg 309.85573611 DEdeg 27.25126444 EpRA 1990 1.83
EpDE 1990 1.74 E RAdeg 51.6 E DEdeg 48.9 Posflg D
Corr -0.1
 
 
20393+2714 Bb
 
 
Coord arcsec 2000 203925.43+271505.2 Mag 11.8 PmRA -6.00 PmDE -20.0
Calc delta mag 1.24 Calc coord yes