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Doubles in session


Current system
21035+2400
HO 281
DY Vul


Nearby doubles
8' : 21037+2353
POU5116

10' : 21029+2404
POU5109

11' : 21043+2401
POU5125

11' : 21040+2353
POU5121

16' : 21043+2409
POU5128

17' : 21045+2350
POU5130

19' : 21049+2400
POU5136AB

20' : 21041+2342
POU5123

21' : 21040+2340
POU5120

21' : 21020+2407
POU5104

23' : 21039+2422
POU5119

24' : 21052+2357
POU5140

24' : 21044+2340
UC 4371

25' : 21052+2358
POU5143

26' : 21041+2424
POU5122

27' : 21049+2418
POU5138

28' : 21049+2342
POU5139

28' : 21050+2418
TDT2729

28' : 21031+2427
POU5113

30' : 21019+2340
COU 128

30' : 21037+2330
POU5117

30' : 21056+2359
POU5148

32' : 21031+2329
POU5112

33' : 21057+2412
POU5150

34' : 21038+2433
POU5118

35' : 21016+2337
POU5099



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.

21035+2400 HO 281 (DY Vul)

 
 
21h 03m 29.78s +23° 59' 46.6" P.A. 304.00 sep 13.8 mag 7.42,13.40 Sp M3 dist. 317.46 pc (1035.55 l.y.)
 
 
Coord 2000 21035+2400 Discov num HO  281 Comp Coord arcsec 2000 21 03 29.78 +23 59 46.6
Date first 1889 Date last 2001 Obs 9
Pa first 299 Pa last 304.4 P.A. Now (θ) 304.4°
Sep first 13.1 Sep last 13.834 Sep. Now (ρ) 13.834"
Mag pri 7.42 Mag sec 13.40 delta mag (ΔM) 5.98 Spectral class M3 (red)
Pri motion ra -004 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name DY Vul Constellation Vulpecula SAO 89414 HIP 103933
Tycho2 2172-00781-1 Gaia DR2 1840941013062502912 HD 200563 GC 29413
BD BD+23 4224 Distance 317.46 Distance ly 1035.55
 
 
WDS 21035+2400 HO 281 (DY Vul) : NOTES
 
 
discov_num notes refcode
HO 281 A is the irregular variable DY Vul.
 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21035+2400 HO 281 1992 8 306 14.2 7.40 13.40 M3 N D 210329.78+235946.6
21035+2400 HO 281 2001 9 304 13.8 7.40 13.40 M3 N D 210329.78+235946.6

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

 
 
WDS 21035+2400 HO 281 (DY Vul) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21035+2400 HO 281 (DY Vul) : MEASURES
 
 
No records found.

 
 
WDS 21035+2400 (DY Vul) : VIRTUAL EYEPIECE
 
 

21035+2400 HO 281A mag 7.42 Sp M3 21035+2400 HO 281B sep 13.0 P.A. 306.90 mag 13.4 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 21035+2400 (DY Vul) : ALADIN DSS IMAGE @ 21h 03m 29.78s +23° 59' 46.6"
 
 
 
 
WDS 21035+2400 HO 281 (DY Vul) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21035+2400 HO 281 distance=0' 21037+2353 POU5116 distance=8' 21029+2404 POU5109 distance=10' 21043+2401 POU5125 distance=11' 21040+2353 POU5121 distance=11' 21043+2409 POU5128 distance=16' 21045+2350 POU5130 distance=17' 21049+2400 POU5136AB distance=19' 21049+2400 POU5137AC distance=19' 21041+2342 POU5123 distance=20' 21040+2340 POU5120 distance=21' 21020+2407 POU5104 distance=21' 21039+2422 POU5119 distance=23' 21052+2357 POU5140 distance=24' 21044+2340 UC 4371 distance=24' 21052+2358 POU5143 distance=25' 21041+2424 POU5122 distance=26' 21049+2418 POU5138 distance=27' 21049+2342 POU5139 distance=28' 21050+2418 TDT2729 distance=28' 21031+2427 POU5113 distance=28' 21019+2340 COU 128 distance=30' 21037+2330 POU5117 distance=30' 21056+2359 POU5148 distance=30' 21031+2329 POU5112 distance=32' 21057+2412 POU5150 distance=33' 21038+2433 POU5118 distance=34' 21016+2337 POU5099 distance=35' 21043+2432 POU5127 distance=35' 21011+2345 POU5097 distance=36' 21060+2406 POU5154 distance=37' 21010+2414 POU5096 distance=37' 21060+2416 POU5152 distance=39' 21062+2346 POU5155 distance=41' 21045+2321 POU5129 distance=42' 21007+2341 POU5091 distance=43' 21045+2440 POU5132 distance=43' 21066+2356 POU5163 distance=44' 21023+2441 POU5105AB distance=44' 21023+2441 SLE 512AC distance=44' 21055+2434 COU 129 distance=45' 21066+2347 POU5162 distance=46' 21068+2400 POU5165 distance=46' 21014+2435 POU5098 distance=46' 21065+2420 POU5161 distance=47' 21056+2437 POU5146 distance=48' 21065+2332 POU5158 distance=49' 21047+2446 POU5135 distance=49' 21007+2430 CVE 31 distance=49' 21007+2431 POU5092 distance=50' 21042+2449 POU5126 distance=51' 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 21035+2400 HO 281 304 13.8
Show 21037+2353 POU5116 171 11.1 8
Show 21029+2404 POU5109 113 17.2 10
Show 21043+2401 POU5125 258 5.5 11
Show 21040+2353 POU5121 161 9.7 11
Show 21043+2409 POU5128 137 15.6 16
Show 21045+2350 POU5130 334 16.1 17
Show 21049+2400 POU5136 AB 3 15.6 19
Show 21049+2400 POU5137 AC 201 7.6 19
Show 21041+2342 POU5123 25 4.9 20
Show 21040+2340 POU5120 221 7.5 21
Show 21020+2407 POU5104 15.9 21
Show 21039+2422 POU5119 345 15.2 23
Show 21052+2357 POU5140 275 16.7 24
Show 21044+2340 UC 4371 152 51.4 24
Show 21052+2358 POU5143 53 13.8 25
Show 21041+2424 POU5122 158 11.9 26
Show 21049+2418 POU5138 285 18.3 27
Show 21049+2342 POU5139 335 16.4 28
Show 21050+2418 TDT2729 77 0.7 28
Show 21031+2427 POU5113 244 9.1 28
Show 21019+2340 COU 128 145 0.1 30
Show 21037+2330 POU5117 159 14.6 30
Show 21056+2359 POU5148 141 3.7 30
Show 21031+2329 POU5112 68 9.3 32
Show 21057+2412 POU5150 247 16.1 33
Show 21038+2433 POU5118 227 15.8 34
Show 21016+2337 POU5099 233 15.4 35
Show 21043+2432 POU5127 207 14.0 35
Show 21011+2345 POU5097 282 6.3 36
Show 21060+2406 POU5154 187 11.1 37
Show 21010+2414 POU5096 283 5.8 37
Show 21060+2416 POU5152 290 17.5 39
Show 21062+2346 POU5155 76 15.3 41
Show 21045+2321 POU5129 103 13.1 42
Show 21007+2341 POU5091 278 18.2 43
Show 21045+2440 POU5132 15 8.4 43
Show 21066+2356 POU5163 214 4.7 44
Show 21023+2441 POU5105 AB 181 14.4 44
Show 21023+2441 SLE 512 AC 140 10.3 44
Show 21055+2434 COU 129 76 0.7 45
Show 21066+2347 POU5162 223 20.1 46
Show 21068+2400 POU5165 169 12.4 46
Show 21014+2435 POU5098 83 6.7 46
Show 21065+2420 POU5161 354 15.7 47
Show 21056+2437 POU5146 352 14.1 48
Show 21065+2332 POU5158 190 5.0 49
Show 21047+2446 POU5135 202 12.8 49
Show 21007+2430 CVE 31 348 3.9 49
Show 21007+2431 POU5092 145 4.7 50
Show 21042+2449 POU5126 142 20.1 51

 
 
WDS 21035+2400 : COMPONENTS
 
 
  A
B pa=306.9°
sep=13.03"
 
 
21035+2400 A
 
 
Componente originario normalizzato AB Var name DY Vul Coord arcsec 2000 210329.78+235946.6 Mag 7.42
Spectral class M3 (red) PmRA -4.00 PmDE -11.0 SAO 89414
HIP 103933 Tycho2 2172-00781-1 HD 200563 GC 29413
BD BD+23 4224
Tycho2
Tycho2 2172-00781-1 Pflag RAmdeg 315.87407927 DEmdeg 23.99625713
PmRA -2.9 PmDE -12.6 E RAmdeg 5 E DEmdeg 5
E pmRA 0.9 E pmDE 0.8 EpRAm 1991.07 EpDEm 1990.80
Num 16 Q RAmdeg 1.0 Q DEmdeg 0.6 Q pmRA 1.0
Q pmDE 0.6 BTmag 9.038 E BTmag 0.017 VTmag 7.416
E VTmag 0.010 Prox 999 TYC T HIP 103933
CCDM RAdeg 315.87408722 DEdeg 23.99628778 EpRA 1990 1.60
EpDE 1990 1.32 E RAdeg 4.5 E DEdeg 5.2 Posflg
Corr 0.2
SAO
SAO 89414 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.013 Vmag 7.5 SpType Mb
Double code Source 70 CatNum 29413 DM BD+23 4224
DMcomp BDsup HD 200563 M HD 0
GC 29413 RA1950rad 5.50336773 DE1950rad 0.41534452 PmRA2000 -0.0001
PmDE2000 -0.017
Hipparcos
Catalog H HIP 103933 Proxy RAhms 21 03 29.78
DEdms +23 59 46.6 Vmag 7.16 VarFlag 2 R Vmag H
RAdeg 315.874 DEdeg 23.9963 AstroRef Plx 3.93
CCDM 21035+2400 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 200563 BD BD+23 4224
CD CP Dm number +23 4224 VIred 4.89
SpType M4.5 R SpType Coord arcsec 2000 210329.78+235946.6
Hipparcos 2
HIP 103933 Sn 5 So 0 Nc 1
RArad 5.5130428467 DErad 0.4188142194 Plx 3.15 PmRA -3.88
PmDE -11.19 E RArad 0.36 E DErad 0.27 E Plx 0.47
E pmRA 0.44 E pmDE 0.3 Hpmag 6.7565 E Hpmag 0.0111
SHp 0.12 VA 2 BV 1.389 E BV 0.011
VI 3.72
CCDM
Ccdm 21035+2400 RComp Comp A Note1
Note2 Discov num DRAs -0.27 DDEs -14.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.4 Sp M2 PmNote *
PmRA -11 PmDE -16 Dm number +23 4224 Cat1 BD
Name2 +23 2148 Cat2 AGK2/3 HD 200563 M HD
ADS BDS A14589 M ADS BDS N IDS IDS 20590N2336A
HIC 103933
 
 
21035+2400 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210329.02+235954.4 Mag 13.4 Calc delta mag 5.98
Calc coord yes
CCDM
Ccdm 21035+2400 RComp Comp B Note1
Note2 Discov num HO 281 DRAs DDEs
R dRAs Year 1924 Theta 300 Rho 13.7
Obs 6 Vmag 13.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14589 M ADS BDS N IDS IDS 20590N2336B
HIC