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Doubles in session


Current system
20449+2640
STJ 56


Nearby doubles
16' : 20461+2638
BRT 217

24' : 20447+2703
TDT2515

27' : 20430+2649
BUP 216

33' : 20433+2616
COU1039

35' : 20435+2709
TDT2500

40' : 20447+2601
HEI 182

40' : 20425+2704
TDT2484

43' : 20444+2558
COU 726

46' : 20456+2553
J 1074

48' : 20480+2704
COU 826

48' : 20482+2624
STF2728AB

48' : 20482+2622
TDT2548AB

55' : 20490+2637
COU 828AB

55' : 20433+2549
BUP 217AB

56' : 20412+2703
COU1038AB

60' : 20429+2732
J 513

63' : 20461+2740
TDT2527

64' : 20463+2740
MLB 712AB

65' : 20481+2727
BU 66

67' : 20434+2536
HO 138AB

72' : 20409+2553
J 3106

73' : 20486+2733
MLB 713

74' : 20503+2631
WSI 119

74' : 20499+2711
HJ 1579

76' : 20462+2526
POU4974

77' : 20440+2525
POU4932



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.

20449+2640 STJ 56

 
 
20h 44m 54.37s +26° 39' 45.7" P.A. 251.00 sep 0.8 mag 11.40,11.50
 
 
Coord 2000 20449+2640 Discov num STJ  56 Comp Coord arcsec 2000 20 44 54.37 +26 39 45.7
Date first 2015 Date last 2018 Obs 3
Pa first 251 Pa last 250.7 P.A. Now (θ) 250.7°
Sep first 0.8 Sep last 0.79 Sep. Now (ρ) 0.79"
Mag pri 11.40 Mag sec 11.50 delta mag (ΔM) 0.1 Spectral class
Pri motion ra +017 Sec motion ra +022
Pri motion dec +008 Sec motion dec -001
Notes U (Proper motion indicates non-physical)
rPM=0.468
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Tycho2 2178-01823-1
 
 
WDS 20449+2640 STJ 56 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
StJ2009 C - Serot, J. 2009O&T....73...28S
StJ2009 Obs. et Travaux 73, 28, 2009
StJ2011 C - Serot, J. 2011O&T....78....7S
StJ2011 Obs. et Travaux 78, 7, 2011
StJ2011b C - Serot, J., Tregon, B. & Grase, F. 2011O&T....78...17S
StJ2011b Obs. et Travaux 78, 17, 2011
StJ2014 Cl - Serot, J. 2014O&T....83...17S
StJ2014 Obs. et Travaux 83, 17, 2014
StJ2015 S - Serot, J. 2015JDSO...11..361S
StJ2015 JDSO 11, 361, 2015
StJ2016 S - Serot, J. 2016JDSO...12..488S
StJ2016 JDSO 12, 488, 2016
StJ2017 S - Serot, J. 2017JDSO...13..268S
StJ2017 +C JDSO 13, 268, 2017
StJ2017b S - Serot, J. 2017JDSO...13..433S
StJ2017b +C JDSO 13, 433, 2017
StJ2018a S - Serot, J. 2018JDSO...14...78S
StJ2018a JDSO 14, 78, 2018
StJ2018b C - Serot, J. 2018JDSO...14..527S
StJ2018b JDSO 14, 527, 2018
StJ2018c S - Serot, J. 2018JDSO...14..476S
StJ2018c JDSO 14, 476, 2018
StJ2018d S - Serot, J., Wasson, R., Rowe, D. & Genet, R. 2018JDSO...14..711S
StJ2018d JDSO 14, 711, 2018
StJ2019a S+ - Serot, J. 2019JDSO...15..287S
StJ2019a +Hg JDSO 15, 287, 2019
StJ2019b S - Serot, J. 2019JDSO...15..315S
StJ2019b JDSO 15, 315, 2019
StJ2019c S - Serot, J. 2019JDSO...15..575S
StJ2019c JDSO 15, 575, 2019
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20449+2640 STJ 56 2018 2 251 0.8 11.40 11.50 U 204454.37+263945.7

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

 
 
WDS 20449+2640 STJ 56 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20449+2640 STJ 56 : MEASURES
 
 
No records found.

 
 
WDS 20449+2640 : VIRTUAL EYEPIECE
 
 

20449+2640 STJ 56A mag 11.4 20449+2640 STJ 56B sep 0.7 P.A. 248.60 mag 11.5 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 20449+2640 : ALADIN DSS IMAGE @ 20h 44m 54.37s +26° 39' 45.7"
 
 
 
 
WDS 20449+2640 STJ 56 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20449+2640 STJ 56 distance=0' 20461+2638 BRT 217 distance=16' 20447+2703 TDT2515 distance=24' 20430+2649 BUP 216 distance=27' 20433+2616 COU1039 distance=33' 20435+2709 TDT2500 distance=35' 20447+2601 HEI 182 distance=40' 20425+2704 TDT2484 distance=40' 20444+2558 COU 726 distance=43' 20456+2553 J 1074 distance=46' 20482+2624 FYM 66EF distance=46' 20480+2704 COU 826 distance=48' 20482+2624 STF2728AB distance=48' 20482+2624 STF2728AC distance=48' 20482+2624 FYM 66AF distance=48' 20482+2624 FYM 66AD distance=48' 20482+2624 FYM 66AE distance=48' 20482+2622 COU 827Aa,Ab distance=48' 20482+2622 TDT2548AB distance=48' 20490+2637 COU 828AB distance=55' 20490+2637 COU 828AC distance=55' 20433+2549 BUP 217AB distance=55' 20433+2549 BUP 217AC distance=55' 20433+2549 BUP 217AD distance=55' 20433+2549 BUP 217AE distance=55' 20412+2703 COU1038AB distance=56' 20412+2703 KPP4398AC distance=56' 20429+2732 J 513 distance=60' 20461+2740 TDT2527 distance=63' 20463+2740 BRT3362CD distance=64' 20463+2740 MLB 712AB distance=64' 20463+2740 MLB 712AC distance=64' 20481+2727 BU 66 distance=65' 20434+2536 HO 138CD distance=67' 20434+2536 HO 138AB distance=67' 20434+2536 HO 138AC distance=67' 20409+2553 J 3106 distance=72' 20486+2733 MLB 713 distance=73' 20503+2631 WSI 119 distance=74' 20499+2711 HJ 1579 distance=74' 20462+2526 POU4974 distance=76' 20440+2525 POU4932 distance=77' 20485+2540 TDT2553 distance=78' 20501+2604 HL 9002 distance=78' 20455+2522 POU4957 distance=79' 20490+2544 J 3111 distance=79' 20429+2754 MLB 709 distance=80' 20507+2621 KPP3362 distance=80' 20391+2624 J 570 distance=81' 20471+2525 BU 364 distance=81' 20490+2540 HDS2966 distance=81' 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 20449+2640 STJ 56 251 0.8
Show 20461+2638 BRT 217 80 4.3 16
Show 20447+2703 TDT2515 278 0.4 24
Show 20430+2649 BUP 216 97 65.2 27
Show 20433+2616 COU1039 237 1.0 33
Show 20435+2709 TDT2500 353 2.2 35
Show 20447+2601 HEI 182 207 0.9 40
Show 20425+2704 TDT2484 199 0.5 40
Show 20444+2558 COU 726 273 1.2 43
Show 20456+2553 J 1074 299 2.3 46
Show 20482+2624 FYM 66 EF 301 15.1 46
Show 20480+2704 COU 826 123 1.3 48
Show 20482+2624 STF2728 AB 25 10.5 48
Show 20482+2624 STF2728 AC 213 19.4 48
Show 20482+2624 FYM 66 AF 295 129.1 48
Show 20482+2624 FYM 66 AD 193 59.8 48
Show 20482+2624 FYM 66 AE 294 114.1 48
Show 20482+2622 COU 827 Aa,Ab 332 0.6 48
Show 20482+2622 TDT2548 AB 148 0.6 48
Show 20490+2637 COU 828 AB 189 0.9 55
Show 20490+2637 COU 828 AC 95 24.9 55
Show 20433+2549 BUP 217 AB 285 17.2 55
Show 20433+2549 BUP 217 AC 208 39.7 55
Show 20433+2549 BUP 217 AD 102 387.7 55
Show 20433+2549 BUP 217 AE 286 442.7 55
Show 20412+2703 COU1038 AB 90 1.2 56
Show 20412+2703 KPP4398 AC 215 43.4 56
Show 20429+2732 J 513 163 4.0 60
Show 20461+2740 TDT2527 94 2.0 63
Show 20463+2740 BRT3362 CD 84 6.3 64
Show 20463+2740 MLB 712 AB 43 8.5 64
Show 20463+2740 MLB 712 AC 126 24.1 64
Show 20481+2727 BU 66 169 1.1 65
Show 20434+2536 HO 138 CD 6 3.5 67
Show 20434+2536 HO 138 AB 343 3.0 67
Show 20434+2536 HO 138 AC 304 127.9 67
Show 20409+2553 J 3106 355 4.8 72
Show 20486+2733 MLB 713 348 7.3 73
Show 20503+2631 WSI 119 189 4.6 74
Show 20499+2711 HJ 1579 130 3.8 74
Show 20462+2526 POU4974 106 17.3 76
Show 20440+2525 POU4932 14 9.0 77
Show 20485+2540 TDT2553 347 0.6 78
Show 20501+2604 HL 9002 138 16.0 78
Show 20455+2522 POU4957 293 20.0 79
Show 20490+2544 J 3111 138 6.3 79
Show 20429+2754 MLB 709 323 2.7 80
Show 20507+2621 KPP3362 277 3.9 80
Show 20391+2624 J 570 82 4.9 81
Show 20471+2525 BU 364 75 0.7 81
Show 20490+2540 HDS2966 229 0.5 81

 
 
WDS 20449+2640 : COMPONENTS
 
 
  A
B pa=248.6°
sep=0.72"
 
 
20449+2640 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204454.37+263945.7 Mag 11.4 PmRA 17.00
PmDE 8.0
 
 
20449+2640 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204454.32+263945.4 Mag 11.5 PmRA 22.00
PmDE -1.0 Tycho2 2178-01823-1 Calc delta mag 0.1 Calc coord yes
Tycho2
Tycho2 2178-01823-1 Pflag RAmdeg 311.22629010 DEmdeg 26.66262459
PmRA 13.5 PmDE 6.0 E RAmdeg 62 E DEmdeg 57
E pmRA 2.2 E pmDE 2.1 EpRAm 1982.06 EpDEm 1982.97
Num 4 Q RAmdeg 0.5 Q DEmdeg 1.0 Q pmRA 0.5
Q pmDE 1.0 BTmag 12.845 E BTmag 0.202 VTmag 11.499
E VTmag 0.085 Prox 999 TYC HIP
CCDM RAdeg 311.22625639 DEdeg 26.66261056 EpRA 1990 1.89
EpDE 1990 1.76 E RAdeg 65.9 E DEdeg 59.7 Posflg
Corr -0.2