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Doubles in session


Current system
20307+2710
TDT 2332
HD 340450


Nearby doubles
13' : 20307+2657
OPI 25AB

21' : 20302+2651
WOR 9AB

21' : 20293+2700
TDT2319AB

23' : 20291+2700
DOO 86

24' : 20324+2703
DAM 328

25' : 20290+2658
A 394

25' : 20294+2729
KPP1957

30' : 20292+2731
HJ 1519

30' : 20328+2700
DAM 329

32' : 20324+2731
FOX 93

35' : 20284+2728
COU 725

36' : 20288+2735
TDS1076

37' : 20332+2657
COU1170

39' : 20333+2727
HDS2935

42' : 20310+2629
STF2692AB

42' : 20337+2701
DAM 330

44' : 20337+2659
HJ 1536AB

45' : 20338+2653
DAM 331

47' : 20280+2739
BRT 48

48' : 20299+2624
S 750

49' : 20275+2735
BVD 164

50' : 20343+2659
SMH 11

53' : 20268+2657
J 3086

55' : 20269+2731
RAO 432

58' : 20298+2613
BKO 585

58' : 20281+2624
TOI3569



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Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20307+2710 TDT 2332 (HD 340450)

 
 
20h 30m 41.04s +27° 10' 04.1" P.A. 169.00 sep 0.7 mag 12.13,12.19
 
 
Coord 2000 20307+2710 Discov num TDT2332 Comp Coord arcsec 2000 20 30 41.04 +27 10 04.1
Date first 1991 Date last 2015 Obs 2
Pa first 167 Pa last 169.4 P.A. Now (θ) 169.4°
Sep first 0.9 Sep last 0.693 Sep. Now (ρ) 0.693"
Mag pri 12.13 Mag sec 12.19 delta mag (ΔM) 0.06 Spectral class
Pri motion ra +005 Sec motion ra +005
Pri motion dec +003 Sec motion dec +003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 340450 Constellation Vulpecula Tycho2 2164-00433-1 Gaia DR2 1856932786917633024
HD 340450
 
 
WDS 20307+2710 TDT 2332 (HD 340450) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20307+2710 TDT2332 1991 1 167 0.9 12.13 12.19 203041.04+271004.1
20307+2710 TDT2332 2015 2 169 0.7 12.13 12.19 203041.04+271004.1

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

 
 
WDS 20307+2710 TDT 2332 (HD 340450) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20307+2710 TDT 2332 (HD 340450) : MEASURES
 
 
No records found.

 
 
WDS 20307+2710 (HD 340450) : VIRTUAL EYEPIECE
 
 

20307+2710 TDT2332A mag 12.13 20307+2710 TDT2332B sep 0.7 P.A. 170.50 mag 12.19 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 20307+2710 (HD 340450) : ALADIN DSS IMAGE @ 20h 30m 41.04s +27° 10' 04.1"
 
 
 
 
WDS 20307+2710 TDT 2332 (HD 340450) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20307+2710 TDT2332 distance=1' 20307+2657 OPI 25AB distance=13' 20307+2657 OPI 25AC distance=13' 20307+2657 OPI 25AD distance=13' 20302+2651 WOR 9AB distance=21' 20302+2651 BUP 213AC distance=21' 20302+2651 BUP 213AD distance=21' 20302+2651 BUP 213AE distance=21' 20302+2651 LMP 45AF distance=21' 20293+2700 DOO 93AC distance=21' 20293+2700 TDT2319AB distance=21' 20291+2700 DOO 86 distance=23' 20324+2703 DAM 328 distance=24' 20290+2658 A 394 distance=25' 20294+2729 KPP1957 distance=25' 20292+2731 HJ 1519 distance=30' 20328+2700 DAM 329 distance=30' 20324+2731 FOX 93 distance=32' 20284+2728 COU 725 distance=35' 20288+2735 TDS1076 distance=36' 20332+2657 COU1170 distance=37' 20333+2727 HDS2935 distance=39' 20310+2629 STF2692AB distance=42' 20310+2629 STF2692AC distance=42' 20310+2629 FYM 62AD distance=42' 20337+2701 DAM 330 distance=42' 20337+2659 HJ 1536AB distance=44' 20337+2659 SMH 10AC distance=44' 20338+2653 DAM 331 distance=45' 20280+2739 BRT 48 distance=47' 20299+2624 S 750 distance=48' 20275+2735 BVD 164 distance=49' 20343+2659 SMH 11 distance=50' 20268+2657 J 3086 distance=53' 20269+2731 RAO 432 distance=55' 20298+2613 BKO 585 distance=58' 20281+2624 TOI3569 distance=58' 20284+2800 TDT2311 distance=59' 20298+2610 HJ 1520 distance=63' 20332+2616 RAO 438 distance=64' 20258+2726 TDT2265 distance=67' 20276+2803 AG 405 distance=68' 20256+2723 J 2310AB distance=70' 20256+2723 J 2310AC distance=70' 20256+2723 J 2310BC distance=70' 20355+2739 COU1171 distance=71' 20338+2808 STF2698 distance=71' 20256+2642 BU 1488BC distance=72' 20350+2754 FOX 95 distance=72' 20254+2727 J 509 distance=73' 20256+2642 BU 1488AB distance=74' 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 20307+2710 TDT2332 169 0.7 1
Show 20307+2657 OPI 25 AB 29 14.0 13
Show 20307+2657 OPI 25 AC 324 27.0 13
Show 20307+2657 OPI 25 AD 357 103.7 13
Show 20302+2651 WOR 9 AB 225 0.5 21
Show 20302+2651 BUP 213 AC 318 9.7 21
Show 20302+2651 BUP 213 AD 281 93.0 21
Show 20302+2651 BUP 213 AE 93 999.9 21
Show 20302+2651 LMP 45 AF 252 43.7 21
Show 20293+2700 DOO 93 AC 227 27.4 21
Show 20293+2700 TDT2319 AB 344 2.1 21
Show 20291+2700 DOO 86 210 18.7 23
Show 20324+2703 DAM 328 76 12.4 24
Show 20290+2658 A 394 286 0.7 25
Show 20294+2729 KPP1957 36 15.5 25
Show 20292+2731 HJ 1519 234 15.6 30
Show 20328+2700 DAM 329 237 8.5 30
Show 20324+2731 FOX 93 184 1.4 32
Show 20284+2728 COU 725 59 0.5 35
Show 20288+2735 TDS1076 293 1.0 36
Show 20332+2657 COU1170 291 4.1 37
Show 20333+2727 HDS2935 113 0.5 39
Show 20310+2629 STF2692 AB 163 10.1 42
Show 20310+2629 STF2692 AC 301 25.8 42
Show 20310+2629 FYM 62 AD 57 28.0 42
Show 20337+2701 DAM 330 143 10.8 42
Show 20337+2659 HJ 1536 AB 99 16.3 44
Show 20337+2659 SMH 10 AC 127 15.0 44
Show 20338+2653 DAM 331 122 4.3 45
Show 20280+2739 BRT 48 265 4.2 47
Show 20299+2624 S 750 320 68.3 48
Show 20275+2735 BVD 164 350 2.9 49
Show 20343+2659 SMH 11 80 15.9 50
Show 20268+2657 J 3086 17 3.7 53
Show 20269+2731 RAO 432 336 0.2 55
Show 20298+2613 BKO 585 30 2.7 58
Show 20281+2624 TOI3569 236 0.3 58
Show 20284+2800 TDT2311 97 1.5 59
Show 20298+2610 HJ 1520 326 19.2 63
Show 20332+2616 RAO 438 288 0.7 64
Show 20258+2726 TDT2265 264 2.5 67
Show 20276+2803 AG 405 70 23.3 68
Show 20256+2723 J 2310 AB 323 33.5 70
Show 20256+2723 J 2310 AC 328 38.0 70
Show 20256+2723 J 2310 BC 357 5.3 70
Show 20355+2739 COU1171 103 0.5 71
Show 20338+2808 STF2698 305 4.5 71
Show 20256+2642 BU 1488 BC 357 2.6 72
Show 20350+2754 FOX 95 195 4.1 72
Show 20254+2727 J 509 262 4.0 73
Show 20256+2642 BU 1488 AB 73 74.2 74

 
 
WDS 20307+2710 : COMPONENTS
 
 
  A
B pa=170.5°
sep=0.69"
 
 
20307+2710 A
 
 
Componente originario normalizzato AB Name HD 340450 Coord arcsec 2000 203041.04+271004.1 Mag 12.13
PmRA 5.00 PmDE 3.0 Tycho2 2164-00433-1 HD 340450
Tycho2
Tycho2 2164-00433-1 Pflag RAmdeg 307.67101602 DEmdeg 27.16771234
PmRA 4.9 PmDE 3.4 E RAmdeg 48 E DEmdeg 38
E pmRA 2.3 E pmDE 2.3 EpRAm 1986.91 EpDEm 1988.59
Num 3 Q RAmdeg 1.5 Q DEmdeg 1.3 Q pmRA 1.5
Q pmDE 1.3 BTmag 11.746 E BTmag 0.062 VTmag 11.451
E VTmag 0.080 Prox 999 TYC HIP
CCDM RAdeg 307.67100389 DEdeg 27.16770444 EpRA 1990 1.77
EpDE 1990 1.80 E RAdeg 49.3 E DEdeg 39.0 Posflg
Corr 0.1
 
 
20307+2710 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203041.05+271003.4 Mag 12.19 PmRA 5.00
PmDE 3.0 Calc delta mag 0.06 Calc coord yes