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Current system
20481+2727
BU 66
V402 Vul


Nearby doubles
9' : 20486+2733
MLB 713

24' : 20480+2704
COU 826

26' : 20481+2753
ES 510AB

28' : 20463+2740
MLB 712AB

29' : 20499+2711
HJ 1579

29' : 20461+2740
TDT2527

42' : 20474+2808
BRT3363

52' : 20490+2637
COU 828AB

52' : 20447+2703
TDT2515

56' : 20461+2638
BRT 217

57' : 20496+2819
GRV 385

63' : 20497+2825
MLB 534

64' : 20482+2624
STF2728AB

65' : 20449+2640
STJ 56

65' : 20435+2709
TDT2500

65' : 20503+2631
WSI 119

66' : 20483+2832
GRV 382

66' : 20482+2622
TDT2548AB

69' : 20429+2732
J 513

70' : 20511+2630
TDT2579

73' : 20448+2825
AG 411

75' : 20429+2754
MLB 709

75' : 20494+2840
CBL 86

75' : 20507+2621
KPP3362

76' : 20535+2751
MLB 572

78' : 20425+2704
TDT2484



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

20481+2727 BU 66 (V402 Vul)

 
 
20h 48m 06.26s +27° 27' 25.3" P.A. 169.00 sep 1.1 mag 8.76,9.28 Sp F0 dist. 456.62 pc (1489.49 l.y.)
 
 
Coord 2000 20481+2727 Discov num BU   66 Comp Coord arcsec 2000 20 48 06.26 +27 27 25.3
Date first 1872 Date last 2016 Obs 54
Pa first 160 Pa last 169.2 P.A. Now (θ) 169.2°
Sep first 2.0 Sep last 1.057 Sep. Now (ρ) 1.057"
Mag pri 8.76 Mag sec 9.28 delta mag (ΔM) 0.52 Spectral class F0 (yellow-white)
Pri motion ra +005 Sec motion ra +005
Pri motion dec -008 Sec motion dec -008
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V402 Vul Constellation Vulpecula HIP 102650 Tycho2 2179-00674-1
Gaia DR2 1857740726109895680 HD 198226 BD BD+26 3995 Distance 456.62
Distance ly 1489.49
 
 
WDS 20481+2727 BU 66 (V402 Vul) : NOTES
 
 
discov_num notes refcode
BU 66 Includes V402 Vul, a Beta Lyr type eclipsing binary, P = 1.49938d. Zas2012
 
 
REFERENCES
 
 
refcode metd author reference
Zas2012 - Zasche, P. ...................
Zas2012 private communication, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20481+2727 BU 66 2005 55 169 1.1 8.76 9.28 F0 D 204806.26+272725.3
20481+2727 BU 66 2010 58 169 1.1 8.76 9.28 F0 D 204806.26+272725.3
20481+2727 BU 66 2016 53 169 1.1 8.76 9.28 F0 N 204806.26+272725.3

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

 
 
WDS 20481+2727 BU 66 (V402 Vul) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20481+2727 BU 66 (V402 Vul) : MEASURES
 
 
No records found.

 
 
WDS 20481+2727 (V402 Vul) : VIRTUAL EYEPIECE
 
 

20481+2727 BU 66A mag 8.76 Sp F0 20481+2727 BU 66B sep 1.1 P.A. 170.40 mag 9.28 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 20481+2727 (V402 Vul) : ALADIN DSS IMAGE @ 20h 48m 06.26s +27° 27' 25.3"
 
 
 
 
WDS 20481+2727 BU 66 (V402 Vul) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20481+2727 BU 66 distance=0' 20486+2733 MLB 713 distance=9' 20480+2704 COU 826 distance=24' 20481+2753 ES 510AB distance=26' 20481+2753 ES 510BC distance=27' 20463+2740 BRT3362CD distance=27' 20463+2740 MLB 712AB distance=28' 20463+2740 MLB 712AC distance=28' 20499+2711 HJ 1579 distance=29' 20461+2740 TDT2527 distance=29' 20474+2808 BRT3363 distance=42' 20490+2637 COU 828AB distance=52' 20490+2637 COU 828AC distance=52' 20447+2703 TDT2515 distance=52' 20461+2638 BRT 217 distance=56' 20496+2819 GRV 385 distance=57' 20497+2825 MLB 534 distance=63' 20482+2624 FYM 66EF distance=63' 20482+2624 STF2728AB distance=64' 20482+2624 STF2728AC distance=64' 20482+2624 FYM 66AF distance=64' 20482+2624 FYM 66AD distance=64' 20482+2624 FYM 66AE distance=64' 20449+2640 STJ 56 distance=65' 20435+2709 TDT2500 distance=65' 20503+2631 WSI 119 distance=65' 20483+2832 GRV 382 distance=66' 20482+2622 COU 827Aa,Ab distance=66' 20482+2622 TDT2548AB distance=66' 20429+2732 J 513 distance=69' 20511+2630 TDT2579 distance=70' 20448+2825 AG 411 distance=73' 20429+2754 MLB 709 distance=75' 20494+2840 CBL 86 distance=75' 20507+2621 KPP3362 distance=75' 20535+2751 MLB 572 distance=76' 20425+2704 TDT2484 distance=78' 20430+2649 BUP 216 distance=79' 20537+2803 HJ 1589 distance=82' 20543+2740 TDT2619 distance=84' 20545+2736 MLB 714 distance=86' 20501+2604 HL 9002 distance=88' 20534+2637 TDT2610 distance=88' 20531+2630 GII 4AB distance=89' 20531+2630 GII 4AC distance=89' 20463+2853 TDT2530 distance=89' 20523+2839 BRT 52 distance=91' 20549+2740 TDT2627 distance=91' 20535+2630 COU1177 distance=93' 20412+2703 COU1038AB distance=96' 20412+2703 KPP4398AC 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 20481+2727 BU 66 169 1.1
Show 20486+2733 MLB 713 348 7.3 9
Show 20480+2704 COU 826 123 1.3 24
Show 20481+2753 ES 510 AB 337 43.9 26
Show 20481+2753 ES 510 BC 229 8.9 27
Show 20463+2740 BRT3362 CD 84 6.3 27
Show 20463+2740 MLB 712 AB 43 8.5 28
Show 20463+2740 MLB 712 AC 126 24.1 28
Show 20499+2711 HJ 1579 130 3.8 29
Show 20461+2740 TDT2527 94 2.0 29
Show 20474+2808 BRT3363 159 4.0 42
Show 20490+2637 COU 828 AB 189 0.9 52
Show 20490+2637 COU 828 AC 95 24.9 52
Show 20447+2703 TDT2515 278 0.4 52
Show 20461+2638 BRT 217 80 4.3 56
Show 20496+2819 GRV 385 40 51.0 57
Show 20497+2825 MLB 534 134 5.3 63
Show 20482+2624 FYM 66 EF 301 15.1 63
Show 20482+2624 STF2728 AB 25 10.5 64
Show 20482+2624 STF2728 AC 213 19.4 64
Show 20482+2624 FYM 66 AF 295 129.1 64
Show 20482+2624 FYM 66 AD 193 59.8 64
Show 20482+2624 FYM 66 AE 294 114.1 64
Show 20449+2640 STJ 56 251 0.8 65
Show 20435+2709 TDT2500 353 2.2 65
Show 20503+2631 WSI 119 189 4.6 65
Show 20483+2832 GRV 382 39 64.3 66
Show 20482+2622 COU 827 Aa,Ab 332 0.6 66
Show 20482+2622 TDT2548 AB 148 0.6 66
Show 20429+2732 J 513 163 4.0 69
Show 20511+2630 TDT2579 35 1.9 70
Show 20448+2825 AG 411 20 2.9 73
Show 20429+2754 MLB 709 323 2.7 75
Show 20494+2840 CBL 86 317 53.7 75
Show 20507+2621 KPP3362 277 3.9 75
Show 20535+2751 MLB 572 298 1.7 76
Show 20425+2704 TDT2484 199 0.5 78
Show 20430+2649 BUP 216 97 65.2 79
Show 20537+2803 HJ 1589 325 11.3 82
Show 20543+2740 TDT2619 312 0.5 84
Show 20545+2736 MLB 714 202 4.3 86
Show 20501+2604 HL 9002 138 16.0 88
Show 20534+2637 TDT2610 209 0.9 88
Show 20531+2630 GII 4 AB 140 8.0 89
Show 20531+2630 GII 4 AC 299 11.3 89
Show 20463+2853 TDT2530 27 0.6 89
Show 20523+2839 BRT 52 87 8.8 91
Show 20549+2740 TDT2627 79 1.1 91
Show 20535+2630 COU1177 14 0.2 93
Show 20412+2703 COU1038 AB 90 1.2 96
Show 20412+2703 KPP4398 AC 215 43.4 96

 
 
WDS 20481+2727 : COMPONENTS
 
 
  A
B pa=170.4°
sep=1.05"
 
 
20481+2727 A
 
 
Componente originario normalizzato AB Name V402 Vul Coord arcsec 2000 204806.26+272725.3 Mag 8.76
Spectral class F0 (yellow-white) PmRA 5.00 PmDE -8.0 HIP 102650
Tycho2 2179-00674-1 HD 198226 BD BD+26 3995
Tycho2
Tycho2 2179-00674-1 Pflag P RAmdeg 312.02609206 DEmdeg 27.45702960
PmRA 5.2 PmDE -7.6 E RAmdeg 7 E DEmdeg 7
E pmRA 1.9 E pmDE 1.9 EpRAm 1991.55 EpDEm 1991.44
Num 5 Q RAmdeg 0.7 Q DEmdeg 1.6 Q pmRA 0.7
Q pmDE 1.5 BTmag 9.192 E BTmag 0.017 VTmag 8.764
E VTmag 0.013 Prox 11 TYC T HIP 102650
CCDM A RAdeg 312.02605667 DEdeg 27.45713417 EpRA 1990 1.74
EpDE 1990 1.64 E RAdeg 7.3 E DEdeg 7.4 Posflg D
Corr -0.1
Hipparcos
Catalog H HIP 102650 Proxy H RAhms 20 48 06.25
DEdms +27 27 25.7 Vmag 8.23 VarFlag 2 R Vmag H
RAdeg 312.026 DEdeg 27.4571 AstroRef A Plx 2.85
CCDM 20481+2727 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 167 Rho 1.122 HD 198226 BD BD+26 3995
CD CP Dm number +26 3995 VIred 0.52
SpType F0 R SpType Coord arcsec 2000 204806.25+272725.7
Hipparcos 2
HIP 102650 Sn 15 So 3 Nc 2
RArad 5.4458820037 DErad 0.4792173981 Plx 2.19 PmRA 6.81
PmDE -11.17 E RArad 0.87 E DErad 0.83 E Plx 1.35
E pmRA 0.92 E pmDE 0.75 Hpmag 8.3254 E Hpmag 0.0021
SHp 0.024 VA 1 BV 0.415 E BV 0.016
VI 0.48
CCDM
Ccdm 20481+2727 RComp Comp A Note1
Note2 Discov num DRAs 0.29 DDEs 24.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp F0 PmNote *
PmRA 17 PmDE -28 Dm number +26 3995 Cat1 BD
Name2 +27 2303 Cat2 AGK2/3 HD 198226 M HD
ADS BDS A14312 M ADS BDS N IDS IDS 20438N2705A
HIC 102650
 
 
20481+2727 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204806.27+272724.3 Mag 9.28 PmRA 5.00
PmDE -8.0 Tycho2 2179-00674-2 Calc delta mag 0.52 Calc coord yes
Tycho2
Tycho2 2179-00674-2 Pflag P RAmdeg 312.02609206 DEmdeg 27.45702960
PmRA 5.2 PmDE -7.6 E RAmdeg 7 E DEmdeg 7
E pmRA 1.9 E pmDE 1.9 EpRAm 1991.55 EpDEm 1991.44
Num 5 Q RAmdeg 0.7 Q DEmdeg 1.6 Q pmRA 0.7
Q pmDE 1.5 BTmag 9.795 E BTmag 0.022 VTmag 9.277
E VTmag 0.018 Prox 11 TYC HIP 102650
CCDM B RAdeg 312.02613389 DEdeg 27.45683139 EpRA 1990 1.74
EpDE 1990 1.62 E RAdeg 10.9 E DEdeg 11.1 Posflg D
Corr -0.1
CCDM
Ccdm 20481+2727 RComp Comp B Note1
Note2 Discov num BU 66 DRAs DDEs
R dRAs Year 1959 Theta 168 Rho 1.3
Obs 19 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14312 M ADS BDS N IDS IDS 20438N2705B
HIC 102650