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Doubles in session


Current system
22255+2234
HO 616


Nearby doubles
11' : 22248+2233
HO 183AB

15' : 22249+2245
LDS1494

23' : 22239+2232
HU 385

23' : 22267+2249
HJ 3115AB

24' : 22261+2255
GRV 575

39' : 22234+2300
ROE 129AB

44' : 22245+2316
SLN 45

48' : 22230+2202
SLN 44

54' : 22226+2310
CLZ 85

58' : 22258+2331
GRV 574

61' : 22221+2155
J 2578

63' : 22223+2151
TDT3493

65' : 22246+2337
POU5698

67' : 22302+2228
HU 388

68' : 22230+2137
UC 4730

68' : 22231+2136
TDT3500

69' : 22282+2332
STF2910

70' : 22305+2232
VOU 38

71' : 22302+2259
COU 140

76' : 22281+2128
SLW1275

78' : 22223+2131
HU 384

80' : 22238+2351
POU5697

82' : 22264+2355
POU5705

83' : 22267+2356
POU5706

84' : 22196+2212
HJ 1749AB

85' : 22196+2259
CBL 539



Selections
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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.

22255+2234 HO 616

 
 
22h 25m 29.78s +22° 34' 27.0" P.A. 342.00 sep 20.2 mag 7.66,12.90 Sp A7III dist. 222.72 pc (726.51 l.y.)
 
 
Coord 2000 22255+2234 Discov num HO  616 Comp Coord arcsec 2000 22 25 29.78 +22 34 27.0
Date first 1895 Date last 2015 Obs 13
Pa first 1 Pa last 341.5 P.A. Now (θ) 341.5°
Sep first 18.7 Sep last 20.205 Sep. Now (ρ) 20.205"
Mag pri 7.66 Mag sec 12.90 delta mag (ΔM) 5.24 Spectral class A7III (white)
Pri motion ra +055 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus SAO 90494 HIP 110687 Tycho2 2218-00501-1
Gaia DR2 1875088717486143360 HD 212638 BD BD+21 4751 Distance 222.72
Distance ly 726.51
 
 
WDS 22255+2234 HO 616 : NOTES
 
 
No records found.

 
 
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
22255+2234 HO 616 2000 7 344 20.1 7.60 12.90 A7III D 222529.78+223427.0
22255+2234 HO 616 2001 8 343 19.7 7.60 12.90 A7III D 222529.78+223427.0
22255+2234 HO 616 2010 9 342 19.6 7.66 12.90 A7III 222529.78+223427.0
22255+2234 HO 616 2015 10 342 20.2 7.66 12.90 A7III 222529.78+223427.0

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

 
 
WDS 22255+2234 HO 616 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22255+2234 HO 616 : MEASURES
 
 
No records found.

 
 
WDS 22255+2234 : VIRTUAL EYEPIECE
 
 

22255+2234 HO 616A mag 7.66 Sp A7III 22255+2234 HO 616B sep 20.1 P.A. 342.80 mag 12.9 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 22255+2234 : ALADIN DSS IMAGE @ 22h 25m 29.78s +22° 34' 27.0"
 
 
 
 
WDS 22255+2234 HO 616 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22255+2234 HO 616 distance=0' 22248+2233 HO 183AB distance=11' 22248+2233 HO 183AC distance=11' 22248+2233 LEP 106AD distance=11' 22249+2245 LDS1494 distance=15' 22239+2232 HU 385 distance=23' 22267+2249 HJ 3115AB distance=23' 22267+2249 HJ 3115AC distance=23' 22267+2249 HJ 3115AD distance=23' 22261+2255 GRV 575 distance=24' 22234+2300 ROE 129BC distance=39' 22234+2300 ROE 129AB distance=39' 22245+2316 SLN 45 distance=44' 22230+2202 SLN 44 distance=48' 22226+2310 CLZ 85 distance=54' 22258+2331 GRV 574 distance=58' 22221+2155 J 2578 distance=61' 22223+2151 TDT3493 distance=63' 22246+2337 POU5698 distance=65' 22302+2228 HU 388 distance=67' 22230+2137 UC 4730 distance=68' 22231+2136 TDT3500 distance=68' 22282+2332 STF2910 distance=69' 22305+2232 VOU 38 distance=70' 22302+2259 COU 140 distance=71' 22281+2128 SLW1275 distance=76' 22223+2131 HU 384 distance=78' 22238+2351 POU5697 distance=80' 22264+2355 POU5705 distance=82' 22267+2356 POU5706 distance=83' 22196+2212 HJ 1749AB distance=84' 22196+2212 HJ 1749AC distance=84' 22196+2212 ABH 165AD distance=84' 22196+2212 ABH 165AE distance=84' 22196+2259 CBL 539 distance=85' 22261+2406 POU5704 distance=92' 22257+2406 POU5702 distance=92' 22189+2249 HJ 3105 distance=93' 22248+2409 HJ 1763 distance=96' 22270+2409 POU5707 distance=97' 22246+2413 POU5699 distance=100' 22316+2331 POU5712 distance=101' 22200+2342 POU5691 distance=102' 22323+2319 HDS3198 distance=104' 22237+2051 COU 139CD distance=107' 22237+2051 STF2900AB distance=107' 22237+2051 STF2900AC distance=107' 22298+2405 POU5711 distance=109' 22196+2122 LDS4956 distance=110' 22323+2135 UC 4761 distance=112' 22314+2353 LDS4973 distance=114' 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 22255+2234 HO 616 342 20.2
Show 22248+2233 HO 183 AB 221 2.5 11
Show 22248+2233 HO 183 AC 52 74.0 11
Show 22248+2233 LEP 106 AD 197 147.2 11
Show 22249+2245 LDS1494 115 3.7 15
Show 22239+2232 HU 385 80 1.5 23
Show 22267+2249 HJ 3115 AB 266 29.0 23
Show 22267+2249 HJ 3115 AC 332 43.1 23
Show 22267+2249 HJ 3115 AD 94 57.5 23
Show 22261+2255 GRV 575 113 59.4 24
Show 22234+2300 ROE 129 BC 297 6.2 39
Show 22234+2300 ROE 129 AB 206 90.2 39
Show 22245+2316 SLN 45 237 2.7 44
Show 22230+2202 SLN 44 168 6.6 48
Show 22226+2310 CLZ 85 204 119.0 54
Show 22258+2331 GRV 574 97 52.3 58
Show 22221+2155 J 2578 351 2.1 61
Show 22223+2151 TDT3493 290 1.2 63
Show 22246+2337 POU5698 89 107.3 65
Show 22302+2228 HU 388 66 0.6 67
Show 22230+2137 UC 4730 12 44.0 68
Show 22231+2136 TDT3500 279 0.5 68
Show 22282+2332 STF2910 332 5.8 69
Show 22305+2232 VOU 38 218 0.1 70
Show 22302+2259 COU 140 106 0.7 71
Show 22281+2128 SLW1275 135 59.6 76
Show 22223+2131 HU 384 339 0.2 78
Show 22238+2351 POU5697 209 17.7 80
Show 22264+2355 POU5705 9 11.8 82
Show 22267+2356 POU5706 221 21.5 83
Show 22196+2212 HJ 1749 AB 253 15.6 84
Show 22196+2212 HJ 1749 AC 48 20.0 84
Show 22196+2212 ABH 165 AD 234 64.0 84
Show 22196+2212 ABH 165 AE 144 97.0 84
Show 22196+2259 CBL 539 3 48.6 85
Show 22261+2406 POU5704 278 12.9 92
Show 22257+2406 POU5702 81 11.4 92
Show 22189+2249 HJ 3105 113 17.8 93
Show 22248+2409 HJ 1763 292 10.2 96
Show 22270+2409 POU5707 43 21.0 97
Show 22246+2413 POU5699 23 6.2 100
Show 22316+2331 POU5712 271 10.9 101
Show 22200+2342 POU5691 357 6.8 102
Show 22323+2319 HDS3198 97 0.2 104
Show 22237+2051 COU 139 CD 88 0.3 107
Show 22237+2051 STF2900 AB 1 1.0 107
Show 22237+2051 STF2900 AC 306 92.7 107
Show 22298+2405 POU5711 96 18.0 109
Show 22196+2122 LDS4956 283 83.1 110
Show 22323+2135 UC 4761 298 22.5 112
Show 22314+2353 LDS4973 40 2.2 114

 
 
WDS 22255+2234 : COMPONENTS
 
 
  A
B pa=342.8°
sep=20.05"
 
 
22255+2234 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 222529.78+223427.0 Mag 7.66 Spectral class A7III (white)
PmRA 55.00 PmDE -5.0 SAO 90494 HIP 110687
Tycho2 2218-00501-1 HD 212638 BD BD+21 4751
Tycho2
Tycho2 2218-00501-1 Pflag RAmdeg 336.37422780 DEmdeg 22.57415487
PmRA 54.4 PmDE -7.7 E RAmdeg 5 E DEmdeg 6
E pmRA 1.0 E pmDE 0.9 EpRAm 1991.36 EpDEm 1990.93
Num 11 Q RAmdeg 0.4 Q DEmdeg 0.7 Q pmRA 0.5
Q pmDE 0.7 BTmag 7.877 E BTmag 0.015 VTmag 7.656
E VTmag 0.012 Prox 999 TYC T HIP 110687
CCDM RAdeg 336.37409278 DEdeg 22.57417278 EpRA 1990 1.77
EpDE 1990 1.61 E RAdeg 4.8 E DEdeg 5.7 Posflg
Corr -0.2
SAO
SAO 90494 DelFlag RA1950 PmRA1950 0.0039
DE1950 PmDE1950 0.003 Vmag 7.1 SpType A2
Double code Source 35 CatNum 8630 DM BD+21 4751
DMcomp BDsup HD 212638 M HD 0
GC RA1950rad 5.8604548 DE1950rad 0.38955384 PmRA2000 0.0039
PmDE2000 -0.002
Hipparcos
Catalog H HIP 110687 Proxy RAhms 22 25 29.78
DEdms +22 34 27.0 Vmag 7.65 VarFlag R Vmag H
RAdeg 336.374 DEdeg 22.5742 AstroRef Plx 4.79
CCDM 22255+2234 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 212638 BD BD+21 4751
CD CP Dm number +21 4751 VIred 0.24
SpType A2 R SpType Coord arcsec 2000 222529.78+223427.0
Hipparcos 2
HIP 110687 Sn 5 So 0 Nc 1
RArad 5.8708352697 DErad 0.3939936447 Plx 4.49 PmRA 54.03
PmDE -5.4 E RArad 0.46 E DErad 0.52 E Plx 0.63
E pmRA 0.55 E pmDE 0.57 Hpmag 7.716 E Hpmag 0.0013
SHp 0.008 VA 0 BV 0.208 E BV 0.012
VI 0.23
CCDM
Ccdm 22255+2234 RComp Comp A Note1
Note2 Discov num DRAs -0.19 DDEs 27.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.6 Sp A2 PmNote *
PmRA 62 PmDE 11 Dm number +21 4751 Cat1 BD
Name2 +22 2432 Cat2 AGK2/3 HD 212638 M HD
ADS BDS A15924 M ADS BDS N IDS IDS 22207N2204A
HIC 110687
 
 
22255+2234 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 222529.35+223446.2 Mag 12.9 Calc delta mag 5.24
Calc coord yes
CCDM
Ccdm 22255+2234 RComp Comp B Note1
Note2 Discov num HO 616 DRAs -0.27 DDEs 47.0
R dRAs 90 Year 1895 Theta 358 Rho 19.1
Obs 5 Vmag 12.9 Sp PmNote
PmRA 62 PmDE 11 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15924 M ADS BDS N IDS IDS 22207N2204B
HIC