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Doubles in session


Current system
18271+2754
TDS 921
HD 336078


Nearby doubles
26' : 18253+2805
HO 85AB

35' : 18265+2721
BU 264

37' : 18270+2832
MLB 648

38' : 18249+2817
RAO 391

39' : 18257+2828
TDT 858

42' : 18250+2724
STF2315AB

44' : 18298+2818
UC 3594

45' : 18280+2837
COU 638

46' : 18242+2818
A 244

46' : 18238+2808
GRV1261

48' : 18265+2842
HJ 1324

48' : 18306+2805
ES 476AB

49' : 18280+2708
ES 475

51' : 18235+2810
JOD 15

55' : 18233+2731
HO 83

60' : 18230+2742
HJ 1322

61' : 18280+2655
TDT 893

62' : 18273+2856
HO 433

65' : 18259+2652
UC 3578

66' : 18251+2654
AG 361

68' : 18257+2649
DAM1237

70' : 18265+2645
TDT 870

71' : 18220+2812
UC 3562

76' : 18296+2647
A 245

78' : 18257+2639
COU 815

80' : 18227+2849
UC 3566



Selections
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Binary Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18271+2754 TDS 921 (HD 336078)

 
 
18h 27m 04.55s +27° 54' 25.4" P.A. 315.00 sep 0.9 mag 10.64,10.70
 
 
Coord 2000 18271+2754 Discov num TDS 921 Comp Coord arcsec 2000 18 27 04.55 +27 54 25.4
Date first 1910 Date last 2016 Obs 8
Pa first 319 Pa last 314.5 P.A. Now (θ) 314.5°
Sep first 1.2 Sep last 0.946 Sep. Now (ρ) 0.946"
Mag pri 10.64 Mag sec 10.70 delta mag (ΔM) 0.06 Spectral class
Pri motion ra -050 Sec motion ra -050
Pri motion dec +000 Sec motion dec +000
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 336078 Constellation Lyra Tycho2 2114-00476-1 Gaia DR2 4585733253345809408
HD 336078
 
 
WDS 18271+2754 TDS 921 (HD 336078) : NOTES
 
 
discov_num notes refcode
TDS 921 Appears to be the same star as L 23, based on coordinates and
astrometry by Lewis (1911). L__1911
 
 
REFERENCES
 
 
refcode metd author reference
L__1911 Ma j Lewis, T. 1911MNRAS..71..728.
L__1911 MNRAS 71, 728, 1911
 
 
DISCOVERER
 
 
idgroup discov author
1 TDS Tycho 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
18271+2754 TDS 921 2000 2 314 1.0 10.64 10.70 182704.55+275425.4
18271+2754 TDS 921 2010 4 316 1.0 10.64 10.70 N 182704.55+275425.4
18271+2754 TDS 921 2015 5 315 0.9 10.64 10.70 N 182704.55+275425.4
18271+2754 TDS 921 2016 7 315 0.9 10.64 10.70 N 182704.55+275425.4

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

 
 
WDS 18271+2754 TDS 921 (HD 336078) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18271+2754 TDS 921 (HD 336078) : MEASURES
 
 
No records found.

 
 
WDS 18271+2754 (HD 336078) : VIRTUAL EYEPIECE
 
 

18271+2754 TDS 921A mag 10.64 18271+2754 TDS 921B sep 0.9 P.A. 318.00 mag 10.7 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 18271+2754 (HD 336078) : ALADIN DSS IMAGE @ 18h 27m 04.55s +27° 54' 25.4"
 
 
 
 
WDS 18271+2754 TDS 921 (HD 336078) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18271+2754 TDS 921 distance=0' 18253+2805 HDS2604Aa,Ab distance=26' 18253+2805 HO 85AB distance=26' 18265+2721 BU 264 distance=35' 18270+2832 MLB 648 distance=37' 18249+2817 RAO 391 distance=38' 18257+2828 TDT 858 distance=39' 18250+2724 STF2315AB distance=42' 18250+2724 STF2315AC distance=42' 18250+2724 BU 9009AD distance=42' 18250+2724 HO 84DE distance=43' 18298+2818 UC 3594 distance=44' 18280+2837 COU 638 distance=45' 18242+2818 A 244 distance=46' 18238+2808 GRV1261 distance=46' 18265+2842 HJ 1324 distance=48' 18306+2805 ES 476AB distance=48' 18306+2805 ES 476AC distance=48' 18280+2708 ES 475 distance=49' 18235+2810 JOD 15 distance=51' 18233+2731 HO 83 distance=55' 18230+2742 HJ 1322 distance=60' 18280+2655 TDT 893 distance=61' 18273+2856 HO 433 distance=62' 18259+2652 UC 3578 distance=65' 18251+2654 AG 361 distance=66' 18257+2649 DAM1237 distance=68' 18265+2645 TDT 870 distance=70' 18220+2812 UC 3562 distance=71' 18296+2647 A 245 distance=76' 18257+2639 COU 815 distance=78' 18227+2849 UC 3566 distance=80' 18212+2820 STF2312 distance=83' 18208+2732 BU 640 distance=87' 18267+2627 GUI 21DE distance=88' 18267+2627 BU 1326AB distance=88' 18267+2627 BU 1326AC distance=88' 18267+2627 GUI 21AD distance=88' 18332+2835 MLB 691 distance=91' 18338+2816 MLB 568 distance=92' 18292+2933 HO 434 distance=103' 18223+2633 TDT 819 distance=104' 18191+2808 HJ 1318 distance=107' 18349+2717 COU 639 distance=111' 18270+2603 L 24 distance=112' 18253+2605 HDS2605Aa,Ab distance=112' 18253+2605 STF2317A,BC distance=112' 18253+2605 STF2317AD distance=112' 18253+2605 ABH 99AE distance=112' 18253+2605 ABH 99AF distance=112' 18253+2605 STF2317BC distance=113' 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 18271+2754 TDS 921 315 0.9
Show 18253+2805 HDS2604 Aa,Ab 212 0.7 26
Show 18253+2805 HO 85 AB 196 4.9 26
Show 18265+2721 BU 264 8.0 35
Show 18270+2832 MLB 648 22 10.1 37
Show 18249+2817 RAO 391 313 0.1 38
Show 18257+2828 TDT 858 57 0.4 39
Show 18250+2724 STF2315 AB 117 0.6 42
Show 18250+2724 STF2315 AC 79 44.9 42
Show 18250+2724 BU 9009 AD 290 118.0 42
Show 18250+2724 HO 84 DE 322 4.4 43
Show 18298+2818 UC 3594 71 13.4 44
Show 18280+2837 COU 638 136 3.3 45
Show 18242+2818 A 244 268 0.6 46
Show 18238+2808 GRV1261 16 2.2 46
Show 18265+2842 HJ 1324 14 5.6 48
Show 18306+2805 ES 476 AB 347 2.8 48
Show 18306+2805 ES 476 AC 325 28.9 48
Show 18280+2708 ES 475 223 10.7 49
Show 18235+2810 JOD 15 176 1.2 51
Show 18233+2731 HO 83 115 0.8 55
Show 18230+2742 HJ 1322 239 21.8 60
Show 18280+2655 TDT 893 344 0.5 61
Show 18273+2856 HO 433 328 9.8 62
Show 18259+2652 UC 3578 185 4.5 65
Show 18251+2654 AG 361 13 3.8 66
Show 18257+2649 DAM1237 10 10.6 68
Show 18265+2645 TDT 870 73 0.9 70
Show 18220+2812 UC 3562 313 15.6 71
Show 18296+2647 A 245 1 3.4 76
Show 18257+2639 COU 815 144 1.6 78
Show 18227+2849 UC 3566 180 32.0 80
Show 18212+2820 STF2312 341 1.7 83
Show 18208+2732 BU 640 322 0.7 87
Show 18267+2627 GUI 21 DE 345 22.9 88
Show 18267+2627 BU 1326 AB 107 5.5 88
Show 18267+2627 BU 1326 AC 60 61.8 88
Show 18267+2627 GUI 21 AD 285 162.8 88
Show 18332+2835 MLB 691 18 4.3 91
Show 18338+2816 MLB 568 207 3.8 92
Show 18292+2933 HO 434 184 18.6 103
Show 18223+2633 TDT 819 216 0.6 104
Show 18191+2808 HJ 1318 140 10.0 107
Show 18349+2717 COU 639 268 0.7 111
Show 18270+2603 L 24 273 3.4 112
Show 18253+2605 HDS2605 Aa,Ab 84 1.2 112
Show 18253+2605 STF2317 A,BC 224 23.0 112
Show 18253+2605 STF2317 AD 189 44.5 112
Show 18253+2605 ABH 99 AE 206 38.2 112
Show 18253+2605 ABH 99 AF 208 68.7 112
Show 18253+2605 STF2317 BC 323 1.4 113

 
 
WDS 18271+2754 : COMPONENTS
 
 
  A
B pa=318.0°
sep=0.89"
 
 
18271+2754 A
 
 
Componente originario normalizzato AB Name HD 336078 Coord arcsec 2000 182704.55+275425.4 Mag 10.64
PmRA -50.00 PmDE 0.0 Tycho2 2114-00476-1
Tycho2
Tycho2 2114-00476-1 Pflag P RAmdeg 276.76893951 DEmdeg 27.90705818
PmRA -50.0 PmDE -0.1 E RAmdeg 33 E DEmdeg 31
E pmRA 2.2 E pmDE 2.1 EpRAm 1989.12 EpDEm 1989.31
Num 4 Q RAmdeg 1.2 Q DEmdeg 0.5 Q pmRA 1.2
Q pmDE 0.5 BTmag 11.466 E BTmag 0.058 VTmag 10.635
E VTmag 0.043 Prox 10 TYC T HIP
CCDM RAdeg 276.76918000 DEdeg 27.90695583 EpRA 1990 1.61
EpDE 1990 1.65 E RAdeg 32.5 E DEdeg 31.0 Posflg D
Corr 0.0
 
 
18271+2754 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182704.51+275426.1 Mag 10.7 PmRA -50.00
PmDE 0.0 Tycho2 2114-00476-2 HD 336078 Calc delta mag 0.06
Calc coord yes
Tycho2
Tycho2 2114-00476-2 Pflag P RAmdeg 276.76893951 DEmdeg 27.90705818
PmRA -50.0 PmDE -0.1 E RAmdeg 33 E DEmdeg 31
E pmRA 2.2 E pmDE 2.1 EpRAm 1989.12 EpDEm 1989.31
Num 4 Q RAmdeg 1.2 Q DEmdeg 0.5 Q pmRA 1.2
Q pmDE 0.5 BTmag 11.453 E BTmag 0.058 VTmag 10.702
E VTmag 0.047 Prox 10 TYC T HIP
CCDM RAdeg 276.76896667 DEdeg 27.90715722 EpRA 1990 1.61
EpDE 1990 1.65 E RAdeg 33.3 E DEdeg 31.8 Posflg D
Corr 0.0