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Current system
04236+4226
STT 80
HD 27650


Nearby doubles
13' : 04226+4232
STJ 90

21' : 04246+4243
HDS 565

24' : 04240+4248
COU1705

30' : 04262+4220
KPP1372

31' : 04261+4239
ES 1521

33' : 04228+4257
TDS 136AB

40' : 04205+4206
BVD 195

47' : 04278+4223
COU1863

58' : 04289+4222
LDS5189

65' : 04277+4311
ES 568

70' : 04203+4326
TDS2827

72' : 04267+4329
ES 1522AB

73' : 04273+4325
TDS2854

76' : 04218+4338
COU2030

77' : 04167+4229
KPP3171

83' : 04197+4116
KPP3565

87' : 04310+4159
HDS 583

96' : 04266+4056
BRT 84

97' : 04319+4252
LDS5569

100' : 04283+4351
TDS2861

102' : 04272+4359
TDS2853

102' : 04289+4103
A 1712

103' : 04290+4103
LDS5563

104' : 04145+4252
TDS2794

106' : 04150+4142
TDS2801

106' : 04310+4333
COU1864



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.

04236+4226 STT 80 (HD 27650)

 
 
04h 23m 35.82s +42° 25' 40.4" P.A. 152.00 sep 0.3 mag 6.38,8.41 Sp A1pSi dist. 177.3 pc (578.35 l.y.)
 
 
Coord 2000 04236+4226 Discov num STT  80 Comp Coord arcsec 2000 04 23 35.82 +42 25 40.4
Date first 1843 Date last 1997 Obs 82
Pa first 202 Pa last 152 P.A. Now (θ) 152°
Sep first 0.9 Sep last 0.323 Sep. Now (ρ) 0.323"
Mag pri 6.38 Mag sec 8.41 delta mag (ΔM) 2.03 Spectral class A1pSi (white)
Pri motion ra +021 Sec motion ra +021
Pri motion dec -035 Sec motion dec -035
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 27650 Constellation Perseus SAO 39501 HIP 20498
Tycho2 2887-00686-1 Gaia DR2 228493432681102976 HD 27650 HR 1371
GC 5305 ADS 3172 BD BD+42 946 Distance 177.3
Distance ly 578.35
 
 
ORBITAL ELEMENTS
 
 
Period (P)394y Periastron (T)2181y Semi-major axis (a)0.522a
Eccentricity (e)0.52 Inclination (i)106.7° Longitude of periastron (ω)67.7°
Node (Ω)13.9° Notesn ReferenceZir2014a
Equinox2000 Last observation1997 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 150.5 0.316
2001 149.8 0.313
2002 149.2 0.309
2003 148.6 0.306
2004 147.9 0.303
2005 147.2 0.300
2006 146.5 0.297
2007 145.8 0.294
2008 145.1 0.291
2009 144.4 0.288
2010 143.7 0.285
2011 142.9 0.282
2012 142.1 0.279
2013 141.3 0.276
2014 140.5 0.273
2015 139.7 0.270
2016 138.8 0.267
2017 138.0 0.265
2018 137.1 0.262
2019 136.2 0.259
2020 135.3 0.257
2021 134.3 0.254
2022 133.4 0.251
2023 132.4 0.249
2024 131.4 0.247
2025 130.4 0.244
2026 129.4 0.242
2027 128.3 0.240
2028 127.2 0.237
2029 126.1 0.235
2030 125.0 0.233


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds04236%2B4226a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04236+4226 STT 80 (HD 27650) : NOTES
 
 
discov_num notes refcode
STT 80 1977.7420: The date of this observation was given incorrectly as
1978.7420 by McAlister & Fekel (1980). McA1980b
 
 
REFERENCES
 
 
refcode metd author reference
McA1980b Sc j McAlister, H.A. & Fekel, F.C. 1980ApJS...43..327M
McA1980b ApJS 43, 327, 1980
Zir2014a orb - Zirm, H. 2014IAUDS.182....1Z
Zir2014a Inf. Circ. 182, 1, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04236+4226 STT 80 1997 80 152 0.3 6.38 8.41 A1pSi N D 042335.82+422540.4

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

 
 
WDS 04236+4226 STT 80 (HD 27650) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04236+4226 STT 80 (HD 27650) : MEASURES
 
 
No records found.

 
 
WDS 04236+4226 (HD 27650) : VIRTUAL EYEPIECE
 
 

04236+4226 STT 80A mag 6.38 Sp A1pSi 04236+4226 STT 80B sep 0.3 P.A. 158.60 mag 8.41 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 04236+4226 (HD 27650) : ALADIN DSS IMAGE @ 04h 23m 35.82s +42° 25' 40.4"
 
 
 
 
WDS 04236+4226 STT 80 (HD 27650) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04236+4226 STT 80 distance=0' 04226+4232 STJ 90 distance=13' 04246+4243 HDS 565 distance=21' 04240+4248 COU1705 distance=24' 04262+4220 KPP1372 distance=30' 04261+4239 ES 1521 distance=31' 04228+4257 TDS 136AB distance=33' 04228+4257 SKF1028AC distance=33' 04205+4206 BVD 195 distance=40' 04278+4223 COU1863 distance=47' 04289+4222 LDS5189 distance=58' 04277+4311 ES 568 distance=65' 04203+4326 TDS2827 distance=70' 04267+4329 ES 1522AB distance=72' 04267+4329 ES 1522AC distance=72' 04273+4325 TDS2854 distance=73' 04218+4338 COU2030 distance=76' 04167+4229 KPP3171 distance=77' 04197+4116 KPP3565 distance=83' 04310+4159 HDS 583 distance=87' 04266+4056 BRT 84 distance=96' 04319+4252 LDS5569 distance=97' 04283+4351 TDS2861 distance=100' 04272+4359 TDS2853 distance=102' 04289+4103 A 1712 distance=102' 04290+4103 LDS5563 distance=103' 04145+4252 TDS2794 distance=104' 04150+4142 TDS2801 distance=106' 04310+4333 COU1864 distance=106' 04177+4103 NSN 546 distance=106' 04140+4235 A 1711 distance=107' 04274+4404 ES 1370AB distance=108' 04274+4404 ES 1370AC distance=108' 04256+4412 TDS 139 distance=109' 04135+4238 NSN 545 distance=112' 04334+4304 SHJ 44BC distance=114' 04334+4304 SHJ 44AB distance=115' 04334+4304 SHJ 44AD distance=115' 04334+4304 ARN 42AE distance=115' 04334+4304 SHJ 44AC distance=115' 04311+4349 TDS2878 distance=117' 04269+4418 BRT 85 distance=119' 04294+4407 A 1713 distance=120' 04344+4241 A 1714 distance=121' 04201+4030 AG 79 distance=123' 04246+4024 COU1706 distance=123' 04199+4029 MLB 18 distance=125' 04303+4408 ES 1523 distance=126' 04337+4128 ES 570 distance=128' 04305+4041 SKF2816 distance=130' 04271+4431 TDS2851 distance=131' 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 04236+4226 STT 80 152 0.3
Show 04226+4232 STJ 90 53 1.3 13
Show 04246+4243 HDS 565 158 0.2 21
Show 04240+4248 COU1705 344 0.7 24
Show 04262+4220 KPP1372 15 10.3 30
Show 04261+4239 ES 1521 310 8.0 31
Show 04228+4257 TDS 136 AB 233 1.8 33
Show 04228+4257 SKF1028 AC 37 5.4 33
Show 04205+4206 BVD 195 230 9.8 40
Show 04278+4223 COU1863 23 0.5 47
Show 04289+4222 LDS5189 240 10.2 58
Show 04277+4311 ES 568 308 5.9 65
Show 04203+4326 TDS2827 190 0.5 70
Show 04267+4329 ES 1522 AB 316 10.8 72
Show 04267+4329 ES 1522 AC 101 31.5 72
Show 04273+4325 TDS2854 65 0.5 73
Show 04218+4338 COU2030 133 0.6 76
Show 04167+4229 KPP3171 193 1.9 77
Show 04197+4116 KPP3565 330 2.8 83
Show 04310+4159 HDS 583 117 0.2 87
Show 04266+4056 BRT 84 185 5.5 96
Show 04319+4252 LDS5569 60 7.0 97
Show 04283+4351 TDS2861 174 2.2 100
Show 04272+4359 TDS2853 175 2.0 102
Show 04289+4103 A 1712 36 0.4 102
Show 04290+4103 LDS5563 230 31.0 103
Show 04145+4252 TDS2794 64 0.5 104
Show 04150+4142 TDS2801 296 0.4 106
Show 04310+4333 COU1864 230 1.6 106
Show 04177+4103 NSN 546 250 2.4 106
Show 04140+4235 A 1711 74 0.7 107
Show 04274+4404 ES 1370 AB 254 3.3 108
Show 04274+4404 ES 1370 AC 177 6.2 108
Show 04256+4412 TDS 139 129 0.9 109
Show 04135+4238 NSN 545 338 2.4 112
Show 04334+4304 SHJ 44 BC 317 56.7 114
Show 04334+4304 SHJ 44 AB 197 121.4 115
Show 04334+4304 SHJ 44 AD 354 74.7 115
Show 04334+4304 ARN 42 AE 79 442.1 115
Show 04334+4304 SHJ 44 AC 225 105.0 115
Show 04311+4349 TDS2878 235 1.4 117
Show 04269+4418 BRT 85 128 8.1 119
Show 04294+4407 A 1713 200 0.4 120
Show 04344+4241 A 1714 255 0.4 121
Show 04201+4030 AG 79 113 26.2 123
Show 04246+4024 COU1706 0.6 123
Show 04199+4029 MLB 18 157 3.5 125
Show 04303+4408 ES 1523 36 2.9 126
Show 04337+4128 ES 570 187 4.1 128
Show 04305+4041 SKF2816 114 24.1 130
Show 04271+4431 TDS2851 52 0.5 131

 
 
WDS 04236+4226 : COMPONENTS
 
 
  A
B pa=158.6°
sep=0.31"
 
 
04236+4226 A
 
 
Componente originario normalizzato AB Name HD 27650 Coord arcsec 2000 042335.82+422540.4 Mag 6.38
Spectral class A1pSi (white) PmRA 21.00 PmDE -35.0 SAO 39501
HIP 20498 Tycho2 2887-00686-1 HD 27650 HR 1371
GC 5305 BD BD+42 946
Tycho2
Tycho2 2887-00686-1 Pflag RAmdeg 65.89925153 DEmdeg 42.42787744
PmRA 20.8 PmDE -34.6 E RAmdeg 3 E DEmdeg 4
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.67 EpDEm 1991.09
Num 9 Q RAmdeg 1.3 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.8 BTmag 6.265 E BTmag 0.014 VTmag 6.251
E VTmag 0.010 Prox 999 TYC T HIP 20498
CCDM AB RAdeg 65.89918722 DEdeg 42.42796111 EpRA 1990 1.78
EpDE 1990 1.28 E RAdeg 3.4 E DEdeg 3.9 Posflg P
Corr -0.1
SAO
SAO 39501 DelFlag RA1950 PmRA1950 0.0022
DE1950 PmDE1950 -0.03 Vmag 6 SpType B9
Double code Source 70 CatNum 5305 DM BD+42 946
DMcomp BDsup HD 27650 M HD 0
GC 5305 RA1950rad 1.13494137 DE1950rad 0.73849814 PmRA2000 0.0021
PmDE2000 -0.032
Hipparcos
Catalog H HIP 20498 Proxy H RAhms 04 23 35.80
DEdms +42 25 40.8 Vmag 6.25 VarFlag R Vmag G
RAdeg 65.8992 DEdeg 42.428 AstroRef A Plx 5.9
CCDM 04236+4226 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 155 Rho 0.345 HD 27650 BD BD+42 946
CD CP Dm number +42 946 VIred 0.04
SpType A1sp... R SpType Coord arcsec 2000 042335.80+422540.8
Hipparcos 2
HIP 20498 Sn 15 So 3 Nc 2
RArad 1.1501573644 DErad 0.740508154 Plx 5.64 PmRA 20.83
PmDE -35.46 E RArad 0.6 E DErad 0.41 E Plx 0.63
E pmRA 0.71 E pmDE 0.56 Hpmag 6.2385 E Hpmag 0.0011
SHp 0.007 VA 0 BV 0.023 E BV 0.004
VI 0.04
CCDM
Ccdm 04236+4226 RComp Comp A Note1
Note2 Discov num DRAs -0.19 DDEs -20.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.5 Sp B9 PmNote *
PmRA 18 PmDE -42 Dm number +42 946 Cat1 BD
Name2 +42 459 Cat2 AGK2/3 HD 27650 M HD
ADS BDS A 3172 M ADS BDS N IDS IDS 04166N4212A
HIC 20498
 
 
04236+4226 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 042335.83+422540.1 Mag 8.41 PmRA 21.00
PmDE -35.0 Calc delta mag 2.03 Calc coord yes
CCDM
Ccdm 04236+4226 RComp Comp B Note1
Note2 Discov num STT 80 DRAs DDEs
R dRAs Year 1958 Theta 166 Rho 0.5
Obs 26 Vmag 7.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3172 M ADS BDS N IDS IDS 04166N4212B
HIC 20498