20268+2804 A 393 (HD 194805)

 
 
20h 26m 46.32s +28 04' 04.4" P.A. 217.00 sep 0.5 mag 9.21,9.95 Sp A0 dist. 442.48 pc (1443.37 l.y.)
 
 
Coord 2000 20268+2804 Discov num A   393 Comp Coord arcsec 2000 20 26 46.32 +28 04 04.4
Date first 1902 Date last 2016 Obs 21
Pa first 210 Pa last 216.5 P.A. Now (θ) 216.5°
Sep first 0.4 Sep last 0.53 Sep. Now (ρ) 0.53"
Mag pri 9.21 Mag sec 9.95 delta mag (ΔM) 0.74 Spectral class A0 (white)
Pri motion ra +002 Sec motion ra +002
Pri motion dec +007 Sec motion dec +007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194805 Constellation Vulpecula SAO 88684 HIP 100839
Tycho2 2164-01424-1 Gaia DR2 1860047638940705280 HD 194805 BD BD+27 3733
Distance 442.48 Distance ly 1443.37
 
 
WDS 20268+2804 A 393 (HD 194805) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20268+2804 A 393 1991 18 217 0.4 9.21 9.95 A0 D 202646.32+280404.4
20268+2804 A 393 2007 19 219 0.5 9.21 9.95 A0 D 202646.32+280404.4
20268+2804 A 393 2016 20 217 0.5 9.21 9.95 A0 202646.32+280404.4

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

 
 
WDS 20268+2804 A 393 (HD 194805) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20268+2804 A 393 (HD 194805) : MEASURES
 
 
No records found.

 
 
WDS 20268+2804 (HD 194805) : VIRTUAL EYEPIECE
 
 

20268+2804 A   393A mag 9.21 Sp A0 20268+2804 A   393B sep 0.5 P.A. 213.10 mag 9.95 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 20268+2804 (HD 194805) : ALADIN DSS IMAGE @ 20h 26m 46.32s +28 04' 04.4"
 
 
 
 
WDS 20268+2804 A 393 (HD 194805) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20268+2804  A   393 distance=1' 20276+2803  AG  405 distance=11' 20273+2820  MLB 774AB distance=18' 20273+2820  MLB 774BC distance=18' 20284+2800  TDT2311 distance=23' 20281+2819  MLB 662 distance=23' 20266+2831  TDT2276 distance=27' 20264+2832  TDT2269 distance=29' 20280+2739  BRT  48 distance=30' 20275+2735  BVD 164 distance=31' 20244+2802  HDS2918 distance=32' 20269+2731  RAO 432 distance=34' 20247+2739  MLB 707 distance=38' 20288+2735  TDS1076 distance=40' 20241+2823  AG  404 distance=40' 20258+2726  TDT2265 distance=40' 20241+2746  TDT2238 distance=41' 20254+2727  J   509 distance=42' 20284+2728  COU 725 distance=43' 20256+2723  J  2310BC distance=45' 20256+2723  J  2310AB distance=45' 20256+2723  J  2310AC distance=45' 20292+2731  HJ 1519 distance=46' 20294+2729  KPP1957 distance=51' 20297+2837  MLB1088 distance=51' 20266+2858  TDT2275 distance=54' 20290+2852  TDT2317 distance=57' 20307+2826  GRV 347 distance=58' 20270+2902  TDT2283 distance=58' 20282+2901  TDT2308Aa,Ab distance=61' 20282+2901  ES  504AB distance=61' 20223+2826  TDT2214 distance=63' 20227+2837  COU1169AB distance=64' 20227+2837  COU1169AC distance=64' 20242+2900  BU  443AB distance=66' 20242+2900  BU  443AC distance=66' 20242+2900  BU  443AD distance=66' 20261+2910  MLB 479 distance=67' 20268+2657  J  3086 distance=67' 20222+2736  MLB 611 distance=68' 20237+2710  TDS1067 distance=68' 20290+2658  A   394 distance=73' 20291+2700  DOO  86 distance=73' 20293+2700  DOO  93AC distance=73' 20293+2700  TDT2319AB distance=73' 20253+2651  BUP 210AB distance=75' 20253+2651  BUP 210AD distance=75' 20253+2651  BUP 210AE distance=75' 20307+2710  TDT2332 distance=75' 20253+2651  BUP 210BC distance=76' 20229+2708  ARN  50CD distance=77' 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 20268+2804 A 393 217 0.5 1
Show 20276+2803 AG 405 70 23.3 11
Show 20273+2820 MLB 774 AB 63 44.1 18
Show 20273+2820 MLB 774 BC 279 4.3 18
Show 20284+2800 TDT2311 97 1.5 23
Show 20281+2819 MLB 662 42 3.4 23
Show 20266+2831 TDT2276 316 0.7 27
Show 20264+2832 TDT2269 332 0.4 29
Show 20280+2739 BRT 48 265 4.2 30
Show 20275+2735 BVD 164 350 2.9 31
Show 20244+2802 HDS2918 228 0.2 32
Show 20269+2731 RAO 432 336 0.2 34
Show 20247+2739 MLB 707 358 3.5 38
Show 20288+2735 TDS1076 293 1.0 40
Show 20241+2823 AG 404 247 34.4 40
Show 20258+2726 TDT2265 264 2.5 40
Show 20241+2746 TDT2238 205 0.4 41
Show 20254+2727 J 509 262 4.0 42
Show 20284+2728 COU 725 59 0.5 43
Show 20256+2723 J 2310 BC 357 5.3 45
Show 20256+2723 J 2310 AB 323 33.5 45
Show 20256+2723 J 2310 AC 328 38.0 45
Show 20292+2731 HJ 1519 234 15.6 46
Show 20294+2729 KPP1957 36 15.5 51
Show 20297+2837 MLB1088 334 9.5 51
Show 20266+2858 TDT2275 87 0.4 54
Show 20290+2852 TDT2317 323 0.5 57
Show 20307+2826 GRV 347 8 22.4 58
Show 20270+2902 TDT2283 355 0.4 58
Show 20282+2901 TDT2308 Aa,Ab 343 0.6 61
Show 20282+2901 ES 504 AB 87 5.9 61
Show 20223+2826 TDT2214 8 1.0 63
Show 20227+2837 COU1169 AB 59 0.3 64
Show 20227+2837 COU1169 AC 175 1.7 64
Show 20242+2900 BU 443 AB 151 16.7 66
Show 20242+2900 BU 443 AC 97 33.6 66
Show 20242+2900 BU 443 AD 139 31.6 66
Show 20261+2910 MLB 479 141 6.4 67
Show 20268+2657 J 3086 17 3.7 67
Show 20222+2736 MLB 611 206 9.9 68
Show 20237+2710 TDS1067 203 1.8 68
Show 20290+2658 A 394 286 0.7 73
Show 20291+2700 DOO 86 210 18.7 73
Show 20293+2700 DOO 93 AC 227 27.4 73
Show 20293+2700 TDT2319 AB 344 2.1 73
Show 20253+2651 BUP 210 AB 232 68.9 75
Show 20253+2651 BUP 210 AD 94 934.4 75
Show 20253+2651 BUP 210 AE 70 448.6 75
Show 20307+2710 TDT2332 169 0.7 75
Show 20253+2651 BUP 210 BC 232 163.1 76
Show 20229+2708 ARN 50 CD 186 25.9 77

 
 
WDS 20268+2804 : COMPONENTS
 
 
  A
B pa=213.1°
sep=0.51"
 
 
20268+2804 A
 
 
Name HD 194805 Coord arcsec 2000 202646.32+280404.4 Mag 9.21 Spectral class A0 (white)
PmRA 2.00 PmDE 7.0 SAO 88684 HIP 100839
Tycho2 2164-01424-1 HD 194805 BD BD+27 3733
Tycho2
Tycho2 2164-01424-1 Pflag RAmdeg 306.69296968 DEmdeg 28.06786889
PmRA 1.7 PmDE 6.9 E RAmdeg 6 E DEmdeg 6
E pmRA 1.4 E pmDE 1.2 EpRAm 1991.36 EpDEm 1991.28
Num 9 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 1.2 BTmag 9.055 E BTmag 0.015 VTmag 8.859
E VTmag 0.012 Prox 246 TYC T HIP 100839
CCDM AB RAdeg 306.69296528 DEdeg 28.06785306 EpRA 1990 1.77
EpDE 1990 1.74 E RAdeg 5.7 E DEdeg 5.8 Posflg P
Corr 0.2
SAO
SAO 88684 DelFlag RA1950 PmRA1950 0.0013
DE1950 PmDE1950 -0.006 Vmag 8.8 SpType A0
Double code Source 34 CatNum 11317 DM BD+27 3733
DMcomp BDsup HD 194805 M HD 0
GC RA1950rad 5.34369665 DE1950rad 0.48698881 PmRA2000 0.0014
PmDE2000 -0.009
Hipparcos
Catalog H HIP 100839 Proxy H RAhms 20 26 46.32
DEdms +28 04 04.4 Vmag 8.8 VarFlag R Vmag H
RAdeg 306.693 DEdeg 28.0679 AstroRef A Plx 2.91
CCDM 20268+2804 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 216 Rho 0.451 HD 194805 BD BD+27 3733
CD CP Dm number +27 3733 VIred 0.18
SpType A0 R SpType Coord arcsec 2000 202646.32+280404.4
Hipparcos 2
HIP 100839 Sn 15 So 3 Nc 2
RArad 5.3528024301 DErad 0.4898769772 Plx 2.26 PmRA 1.54
PmDE 5.72 E RArad 0.73 E DErad 0.99 E Plx 1.51
E pmRA 0.81 E pmDE 1.04 Hpmag 8.8533 E Hpmag 0.0017
SHp 0.022 VA 0 BV 0.169 E BV 0.012
VI 0.18
CCDM
Ccdm 20268+2804 RComp Comp A Note1
Note2 Discov num DRAs -1.69 DDEs 3.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp A0 PmNote *
PmRA 4 PmDE -10 Dm number +27 3733 Cat1 BD
Name2 +27 2206 Cat2 AGK2/3 HD 194805 M HD
ADS BDS A13865 M ADS BDS N IDS IDS 20226N2744A
HIC 100839
 
 
20268+2804 B
 
 
Coord arcsec 2000 202646.30+280404.0 Mag 9.95 PmRA 2.00 PmDE 7.0
Calc delta mag 0.74 Calc coord yes
CCDM
Ccdm 20268+2804 RComp Comp B Note1
Note2 Discov num A 393 DRAs DDEs
R dRAs Year 1902 Theta 211 Rho 0.4
Obs 8 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13865 M ADS BDS N IDS IDS 20226N2744B
HIC 100839