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Current system
20331+2852
ES 507 DS


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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20331+2852 ES 507 DS

 
 
20h 33m 01.85s +28° 51' 21.3" P.A. 146.00 sep 16.1 mag 10.49,12.80 dist. 1063.83 pc (3470.21 l.y.)
 
 
Coord 2000 20331+2852 Discov num ES  507 Comp DS Coord arcsec 2000 20 33 01.85 +28 51 21.3
Date first 1926 Date last 2023 Obs 11
Pa first 149 Pa last 145.9 P.A. Now (θ) 145.9°
Sep first 15.2 Sep last 16.06 Sep. Now (ρ) 16.06"
Mag pri 10.49 Mag sec 12.80 delta mag (ΔM) 2.31 Spectral class
Pri motion ra -005 Sec motion ra -013
Pri motion dec -012 Sec motion dec -027
Notes
rPM=0.567
Nature of this double is uncertain.
 
 
20331+2852 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 195894 88827 20 33 04 +28 51 48 ES 507 AB 2023 12 295 7.2 8.78 11.40 2.62
Show 88827 20 33 04 +28 51 48 ES 507 AC 2023 34 346 36.3 8.78 9.87 1.09
Show 88827 20 33 04 +28 51 48 ES 507 AD 2023 20 224 36.9 8.78 10.49 1.71
Show 88827 20 33 04 +28 51 48 FYM 137 AE 2023 9 101 42.7 8.78 14.80 6.02
Show 88827 20 33 04 +28 51 48 FYM 137 AF 2023 9 176 23.1 8.78 15.20 6.42
Show 88827 20 33 04 +28 51 48 FYM 137 AG 2023 9 299 32.7 8.78 14.80 6.02
Show 20 33 02 +28 51 21 ES 507 DS 2023 11 146 16.1 10.49 12.80 2.31 <===
Octuple system
8 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula HIP 101402 Gaia DR2 1857556420479136256 BD BD+28 3788
Distance 1063.83 Distance ly 3470.21
 
 
WDS 20331+2852 ES 507 DS : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
ES Espin, T.E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20331+2852 ES 507 DS 1926 1 149 75.2 10.49   203301.85+285121.3
20331+2852 ES 507 DS 2000 2 144 15.8 10.49 13.30 203301.85+285121.3
20331+2852 ES 507 DS 2011 4 146 16.1 10.49 13.20 203301.85+285121.3
20331+2852 ES 507 DS 2012 5 142 16.7 10.49 13.20 203301.85+285121.3
20331+2852 ES 507 DS 2015 6 146 16.1 10.49 12.80 203301.85+285121.3
20331+2852 ES 507 DS 2023 11 146 16.1 10.49 12.80 203301.85+285121.3

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

 
 
WDS 20331+2852 ES 507 DS : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20331+2852 ES 507 DS : MEASURES
 
 
No records found.

 
 
WDS 20331+2852 : VIRTUAL EYEPIECE
 
 

20331+2852 ES 507A mag 8.78 Sp F 20331+2852 ES 507B sep 7.2 P.A. 294.80 mag 11.4 20331+2852 ES 507C sep 36.3 P.A. 345.80 mag 9.87 20331+2852 ES 507D sep 37.1 P.A. 224.00 mag 10.49 20331+2852 FYM 137E sep 42.7 P.A. 101.10 mag 14.8 20331+2852 FYM 137F sep 23.1 P.A. 176.40 mag 15.2 20331+2852 FYM 137G sep 32.7 P.A. 299.10 mag 14.8 20331+2852 ES 507S sep 43.4 P.A. 202.70 mag 12.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20331+2852 : ALADIN DSS IMAGE @ 20h 33m 01.85s +28° 51' 21.3"
 
 
 
 
WDS 20331+2852 ES 507 DS : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20331+2852 ES 507DS distance=0' 20331+2852 ES 507AB distance=1' 20331+2852 ES 507AC distance=1' 20331+2852 ES 507AD distance=1' 20331+2852 FYM 137AE distance=1' 20331+2852 FYM 137AF distance=1' 20331+2852 FYM 137AG distance=1' 20327+2903 ARY 27BC distance=12' 20327+2903 ARY 27BD distance=12' 20327+2903 ARY 47AB distance=13' 20312+2855 ES 506 distance=24' 20320+2915 GRV 349 distance=28' 20333+2824 NSN 734 distance=28' 20349+2833 MLB 708 distance=31' 20346+2914 TDT2388Aa,Ab distance=31' 20346+2914 J 565AB distance=31' 20346+2914 J 565AC distance=31' 20339+2923 MLB 481 distance=35' 20307+2826 GRV 347 distance=39' 20341+2814 L 48AB distance=41' 20341+2814 L 48AC distance=41' 20316+2929 MLB 571 distance=42' 20325+2934 TDT2347 distance=43' 20328+2936 TDT2357 distance=45' 20338+2808 STF2698 distance=45' 20297+2837 MLB1088 distance=46' 20340+2942 TDS1084 distance=53' 20290+2852 TDT2317 distance=54' 20368+2823 MLB 482 distance=58' 20371+2830 TDT2426AB distance=58' 20374+2847 MLB 483 distance=59' 20349+2757 GRV 358 distance=60' 20350+2754 FOX 95 distance=63' 20282+2901 TDT2308Aa,Ab distance=64' 20282+2901 ES 504AB distance=64' 20287+2924 MLB 532 distance=65' 20359+2756 TDT2406 distance=68' 20357+2754 HJ 1544 distance=68' 20281+2819 MLB 662 distance=74' 20385+2909 HO 458 distance=75' 20344+3004 TDT2384 distance=75' 20361+2955 TDT2407 distance=76' 20328+3007 TDT2356 distance=76' 20317+3005 ARY 46AB distance=77' 20317+3005 ARY 46AC distance=77' 20387+2910 L 69 distance=77' 20332+3008 BRT 281 distance=77' 20368+2951 BTN 1 distance=78' 20357+2741 BRT3359 distance=79' 20355+2739 COU1171 distance=80' 20284+2800 TDT2311 distance=80' 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 20331+2852 ES 507 DS 146 16.1 0
Show 20331+2852 ES 507 AB 295 7.2 1
Show 20331+2852 ES 507 AC 346 36.3 1
Show 20331+2852 ES 507 AD 224 36.9 1
Show 20331+2852 FYM 137 AE 101 42.7 1
Show 20331+2852 FYM 137 AF 176 23.1 1
Show 20331+2852 FYM 137 AG 299 32.7 1
Show 20327+2903 ARY 27 BC 49 35.4 12
Show 20327+2903 ARY 27 BD 178 89.9 12
Show 20327+2903 ARY 47 AB 108 128.1 13
Show 20312+2855 ES 506 303 4.9 24
Show 20320+2915 GRV 349 42 33.2 28
Show 20333+2824 NSN 734 94 10.0 28
Show 20349+2833 MLB 708 306 3.9 31
Show 20346+2914 TDT2388 Aa,Ab 297 0.5 31
Show 20346+2914 J 565 AB 48 7.0 31
Show 20346+2914 J 565 AC 86 16.3 31
Show 20339+2923 MLB 481 345 4.0 35
Show 20307+2826 GRV 347 8 22.4 39
Show 20341+2814 L 48 AB 102 4.0 41
Show 20341+2814 L 48 AC 192 8.7 41
Show 20316+2929 MLB 571 261 3.4 42
Show 20325+2934 TDT2347 309 0.4 43
Show 20328+2936 TDT2357 29 0.5 45
Show 20338+2808 STF2698 305 4.5 45
Show 20297+2837 MLB1088 334 9.5 46
Show 20340+2942 TDS1084 173 4.4 53
Show 20290+2852 TDT2317 323 0.5 54
Show 20368+2823 MLB 482 269 8.5 58
Show 20371+2830 TDT2426 AB 237 7.1 58
Show 20374+2847 MLB 483 69 8.6 59
Show 20349+2757 GRV 358 72 17.8 60
Show 20350+2754 FOX 95 195 4.1 63
Show 20282+2901 TDT2308 Aa,Ab 343 0.6 64
Show 20282+2901 ES 504 AB 87 5.9 64
Show 20287+2924 MLB 532 351 8.9 65
Show 20359+2756 TDT2406 170 0.5 68
Show 20357+2754 HJ 1544 226 8.7 68
Show 20281+2819 MLB 662 42 3.4 74
Show 20385+2909 HO 458 101 2.3 75
Show 20344+3004 TDT2384 142 0.5 75
Show 20361+2955 TDT2407 108 2.5 76
Show 20328+3007 TDT2356 328 0.4 76
Show 20317+3005 ARY 46 AB 5 91.1 77
Show 20317+3005 ARY 46 AC 92 146.6 77
Show 20387+2910 L 69 89 3.0 77
Show 20332+3008 BRT 281 154 6.4 77
Show 20368+2951 BTN 1 1 13.8 78
Show 20357+2741 BRT3359 268 4.3 79
Show 20355+2739 COU1171 103 0.5 80
Show 20284+2800 TDT2311 244 3.5 80

 
 
WDS 20331+2852 : COMPONENTS
 
 
  A B C D E F G
B pa=294.8°
sep=7.24"
 
C pa=345.8°
sep=36.27"
pa=355.9°
sep=32.21"
 
D pa=224.0°
sep=37.09"
pa=212.8°
sep=35.38"
pa=195.2°
sep=64.12"
 
E pa=101.1°
sep=42.74"
pa=103.1°
sep=49.80"
pa=130.5°
sep=66.84"
pa=74.7°
sep=70.17"
 
F pa=176.4°
sep=23.14"
pa=162.9°
sep=27.34"
pa=169.9°
sep=59.17"
pa=82.4°
sep=27.44"
pa=249.8°
sep=43.13"
 
G pa=299.1°
sep=32.69"
pa=300.3°
sep=25.48"
pa=225.6°
sep=27.53"
pa=356.2°
sep=42.69"
pa=288.9°
sep=74.52"
pa=322.4°
sep=49.21"
 
S pa=202.7°
sep=43.36"
pa=193.3°
sep=44.22"
pa=186.0°
sep=75.57"
pa=145.9°
sep=16.06"
pa=241.6°
sep=66.74"
pa=227.1°
sep=24.84"
pa=168.1°
sep=57.13"
 
 
20331+2852 A
 
 
Name HD 195894 Coord arcsec 2000 203303.81+285148.0 Mag 8.78 Spectral class F (yellow-white)
PmRA -5.00 PmDE -19.0 SAO 88827 HIP 101407
Tycho2 2169-00932-1 HD 195894 BD BD+28 3790
Tycho2
Tycho2 2169-00932-1 Pflag RAmdeg 308.26587762 DEmdeg 28.86329398
PmRA -6.4 PmDE -18.9 E RAmdeg 7 E DEmdeg 7
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.28 EpDEm 1991.16
Num 9 Q RAmdeg 0.6 Q DEmdeg 0.6 Q pmRA 0.6
Q pmDE 0.5 BTmag 9.103 E BTmag 0.017 VTmag 8.775
E VTmag 0.013 Prox 355 TYC T HIP 101407
CCDM RAdeg 308.26589444 DEdeg 28.86333778 EpRA 1990 1.67
EpDE 1990 1.65 E RAdeg 7.2 E DEdeg 6.8 Posflg
Corr 0.0
SAO
SAO 88827 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 -0.012 Vmag 8.6 SpType F2
Double code Source 34 CatNum 11465 DM BD+28 3790
DMcomp BDsup HD 195894 M HD 0
GC RA1950rad 5.37117667 DE1950rad 0.50077285 PmRA2000 0.0009
PmDE2000 -0.015
Hipparcos
Catalog H HIP 101407 Proxy RAhms 20 33 03.81
DEdms +28 51 48.0 Vmag 8.68 VarFlag R Vmag H
RAdeg 308.266 DEdeg 28.8633 AstroRef Plx 4.84
CCDM -5.66 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 195894 BD BD+28 3790
CD CP Dm number +28 3790 VIred 0.42
SpType F... R SpType Coord arcsec 2000 203303.81+285148.0
Hipparcos 2
HIP 101407 Sn 5 So 0 Nc 1
RArad 5.3802547691 DErad 0.5037603327 Plx 3.81 PmRA -5.63
PmDE -16.75 E RArad 0.79 E DErad 0.91 E Plx 1.34
E pmRA 0.92 E pmDE 1.02 Hpmag E Hpmag 0.0027
SHp 0.028 VA 0 BV 0.476 E BV 0.4
VI 0.42
CCDM
Ccdm 20331+2852 RComp Comp A Note1
Note2 Discov num DRAs -2.15 DDEs -12.8
R dRAs 10 Year Theta Rho
Obs 5 Vmag 8.9 Sp F PmNote *
PmRA 3 PmDE -30 Dm number +28 3790 Cat1 BD
Name2 +28 2278 Cat2 AGK2/3 HD 195894 M HD
ADS BDS A13996 M ADS BDS N IDS IDS 20289N2831A
HIC 101407
 
 
20331+2852 B
 
 
Coord arcsec 2000 203303.31+285151.0 Mag 11.4 Delta magnitude 2.62 Coordinate calculated yes
CCDM
Ccdm 20331+2852 RComp Comp B Note1
Note2 Discov num ES 507 DRAs DDEs
R dRAs Year 1926 Theta 296 Rho 5.9
Obs 2 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13996 M ADS BDS N IDS IDS 20289N2831B
HIC 101407
 
 
20331+2852 C
 
 
Coord arcsec 2000 203303.13+285223.2 Mag 9.87 PmRA 15.00 PmDE 21.0
Delta magnitude 1.09 Coordinate calculated yes
CCDM
Ccdm 20331+2852 RComp Comp C Note1
Note2 Discov num ES 507 DRAs -2.89 DDEs 22.4
R dRAs 10 Year 1926 Theta 343 Rho 35.0
Obs 3 Vmag 10.0 Sp PmNote *
PmRA 18 PmDE 20 Dm number +28 3789 Cat1 BD
Name2 +28 2277 Cat2 AGK2/3 HD M HD
ADS BDS A13996 M ADS BDS N IDS IDS 20289N2831C
HIC
 
 
20331+2852 D
 
 
Coord arcsec 2000 203301.85+285121.3 Coord calc 203301.85+285121.3 Mag 10.49 PmRA -5.00
PmDE -12.0 Delta magnitude 1.71
CCDM
Ccdm 20331+2852 RComp Comp D Note1
Note2 Discov num ES 507 DRAs DDEs
R dRAs Year 1926 Theta 227 Rho 39.3
Obs 3 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number +28 3788 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS A13996 M ADS BDS N IDS IDS 20289N2831D
HIC 101402
 
 
20331+2852 E
 
 
Coord arcsec 2000 203307.00+285139.8 Mag 14.8 PmRA -4.00 PmDE -8.0
Delta magnitude 6.02 Coordinate calculated yes
 
 
20331+2852 F
 
 
Coord arcsec 2000 203303.92+285124.9 Mag 15.2 Delta magnitude 6.42 Coordinate calculated yes
 
 
20331+2852 G
 
 
Coord arcsec 2000 203301.64+285203.9 Mag 14.8 Delta magnitude 6.02 Coordinate calculated yes
 
 
20331+2852 S
 
 
Coord arcsec 2000 203302.54+285108.0 Mag 12.8 PmRA -13.00 PmDE -27.0
Delta magnitude 4.02 Coordinate calculated yes
CCDM
Ccdm 20331+2852 RComp D Comp S Note1
Note2 Discov num ES 507 DRAs DDEs
R dRAs Year 1926 Theta 149 Rho 75.2
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13996 M ADS BDS N IDS IDS 20289N2831S
HIC