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Doubles in session


Current system
02563+7253
STF 312 AB
HD 17785


Nearby doubles
12' : 02543+7301
MLR 451

24' : 02593+7234
LDS1560

27' : 02502+7255
HJ 2157AB

34' : 03027+7236
A 827

43' : 03054+7244
LDS1563

47' : 02487+7221
MLR 450

61' : 02442+7225
TDS2346

85' : 02444+7148
TDS2348

90' : 02580+7124
CRB 166

96' : 03153+7340
VKI 11

101' : 03151+7352
HJ 2173

104' : 03083+7126
HJ 2168

107' : 03032+7436
MLR 387

107' : 03149+7149
TDS2496

110' : 03127+7133
STT 50AB

125' : 02398+7437
MLR 380

132' : 02495+7500
LDS1559

137' : 03054+7507
MLR 388

139' : 03038+7039
HJ 2164

139' : 02563+7512
YSC 88

140' : 02395+7058
MLR 381

141' : 03130+7057
LDS1565

145' : 03059+7036
HDS 394

149' : 02593+7025
TDS2406

155' : 02455+7027
TDS2352

157' : 02467+7524
HJ 2151



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.

02563+7253 STF 312 AB (HD 17785)

 
 
02h 56m 11.32s +72° 53' 10.4" P.A. 48.00 sep 1.7 mag 8.16,8.92 Sp G0 dist. 65.96 pc (215.16 l.y.)
 
 
Coord 2000 02563+7253 Discov num STF 312 Comp AB Coord arcsec 2000 02 56 11.32 +72 53 10.4
Date first 1830 Date last 2018 Obs 92
Pa first 10 Pa last 48.3 P.A. Now (θ) 48.3°
Sep first 4.0 Sep last 1.711 Sep. Now (ρ) 1.711"
Mag pri 8.16 Mag sec 8.92 delta mag (ΔM) 0.76 Spectral class G0 (yellow)
Pri motion ra +042 Sec motion ra +042
Pri motion dec -051 Sec motion dec -051
Notes O (Orbital solution)
This double is physical.
 
 
02563+7253 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 17785 4776 02 56 11 +72 53 10 STF 312 AB 2018 92 48 1.7 8.16 8.92 0.76 Y <===
Show 4776 02 56 11 +72 53 10 STF 312 AC 2016 35 132 43.0 8.16 10.14 1.98
Show 4776 02 56 11 +72 53 10 STF 312 AD 2015 9 283 59.0 8.16 12.82 4.66
Show 02 56 12 +72 53 12 STF 312 BC 2013 23 134 42.8 8.92 10.14 1.22
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 17785 Constellation Cassiopeia SAO 4776 HIP 13677
Tycho2 4321-01378-1 Gaia DR2 547259480114344832 HD 17785 GC 3476
ADS 2204 BD BD+72 152 Distance 65.96 Distance ly 215.16
 
 
ORBITAL ELEMENTS
 
 
Period (P)794.8864y± 546.8148 Periastron (T)1729.5747y± 63.2164 Semi-major axis (a)4.67346a± 2.46061
Eccentricity (e)0.64023± 0.24163 Inclination (i)80.76°± 5.499 Longitude of periastron (ω)273.927°± 31.082
Node (Ω)7.578°± 4.711 Notes ReferenceIzm2019
Equinox Last observation2013 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 41.6 1.980
2001 41.9 1.967
2002 42.3 1.955
2003 42.6 1.943
2004 42.9 1.931
2005 43.2 1.919
2006 43.6 1.907
2007 43.9 1.895
2008 44.2 1.883
2009 44.6 1.871
2010 44.9 1.860
2011 45.3 1.848
2012 45.7 1.836
2013 46.0 1.824
2014 46.4 1.813
2015 46.8 1.801
2016 47.1 1.789
2017 47.5 1.778
2018 47.9 1.766
2019 48.3 1.755
2020 48.7 1.744
2021 49.1 1.732
2022 49.5 1.721
2023 49.9 1.710
2024 50.4 1.699
2025 50.8 1.688
2026 51.2 1.677
2027 51.6 1.666
2028 52.1 1.655
2029 52.5 1.644
2030 53.0 1.633


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


 
  


wds02563%2B7253c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 02563+7253 STF 312 AB (HD 17785) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02563+7253 STF 312 AB 2006 85 43 1.9 8.16 8.92 G0 D 025611.32+725310.4
02563+7253 STF 312 AB 2012 86 46 1.7 8.16 8.92 G0 D 025611.32+725310.4
02563+7253 STF 312 AB 2013 87 47 1.8 8.16 8.92 G0 O 025611.32+725310.4
02563+7253 STF 312 AB 2016 88 49 1.8 8.16 8.92 G0 O 025611.32+725310.4
02563+7253 STF 312 AB 2018 89 49 1.7 8.16 8.92 G0 O 025611.32+725310.4

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

 
 
WDS 02563+7253 STF 312 AB (HD 17785) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02563+7253 STF 312 AB (HD 17785) : MEASURES
 
 
No records found.

 
 
WDS 02563+7253 (HD 17785) : VIRTUAL EYEPIECE
 
 

02563+7253 STF 312A mag 8.16 Sp G0 02563+7253 STF 312B sep 2.0 P.A. 57.40 mag 8.92 02563+7253 STF 312C sep 30.1 P.A. 161.70 mag 10.14 02563+7253 STF 312D sep 21.5 P.A. 307.90 mag 12.82 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 02563+7253 (HD 17785) : ALADIN DSS IMAGE @ 02h 56m 11.32s +72° 53' 10.4"
 
 
 
 
WDS 02563+7253 STF 312 AB (HD 17785) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02563+7253 STF 312AB distance=1' 02563+7253 STF 312AD distance=1' 02563+7253 STF 312AC distance=1' 02563+7253 STF 312BC distance=1' 02543+7301 MLR 451 distance=12' 02593+7234 LDS1560 distance=24' 02502+7255 HJ 2157AB distance=27' 02502+7255 HJ 2157AC distance=27' 02502+7255 HJ 2157AD distance=27' 03027+7236 A 827 distance=34' 03054+7244 LDS1563 distance=43' 02487+7221 MLR 450 distance=47' 02442+7225 TDS2346 distance=61' 02444+7148 TDS2348 distance=85' 02580+7124 CRB 166 distance=90' 03153+7340 VKI 11 distance=96' 03151+7352 HJ 2173 distance=101' 03083+7126 HJ 2168 distance=104' 03032+7436 MLR 387 distance=107' 03149+7149 TDS2496 distance=107' 03127+7133 STT 50AB distance=110' 03127+7133 HJ 2172AC distance=110' 03127+7133 SCA 171Aa,Ab distance=110' 02398+7437 MLR 380 distance=125' 02495+7500 LDS1559 distance=132' 03054+7507 MLR 388 distance=137' 03038+7039 HJ 2164 distance=139' 02563+7512 YSC 88 distance=139' 02395+7058 MLR 381 distance=140' 03130+7057 LDS1565 distance=141' 03059+7036 HDS 394 distance=145' 02593+7025 TDS2406 distance=149' 02455+7027 TDS2352 distance=155' 02467+7524 HJ 2151 distance=157' 03108+7028 LDS1564 distance=160' 03051+7012 HJ 1129 distance=168' 03033+7010 TDS2430 distance=168' 03150+7030 A 976 distance=169' 03024+7007 TDS2423 distance=169' 02362+7030 HJ 1119AB distance=171' 02362+7030 HJ 1119AC distance=171' 02362+7030 HJ 1119AD distance=171' 03025+6959 TDS2425 distance=178' 03068+7548 HJ 2165 distance=180' 03076+7548 HJ 2166CR distance=180' 02569+6953 HJ 1128 distance=181' 03076+7548 HJ 2166AB distance=181' 03076+7548 HJ 2166AC distance=181' 03076+7548 HJ 2166AD distance=181' 03130+7003 KPP3512BC distance=189' 02515+7602 HJ 2156 distance=190' 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 02563+7253 STF 312 AB 48 1.7 1
Show 02563+7253 STF 312 AD 283 59.0 1
Show 02563+7253 STF 312 AC 132 43.0 1
Show 02563+7253 STF 312 BC 134 42.8 1
Show 02543+7301 MLR 451 13 1.9 12
Show 02593+7234 LDS1560 329 10.4 24
Show 02502+7255 HJ 2157 AB 287 11.2 27
Show 02502+7255 HJ 2157 AC 22 24.4 27
Show 02502+7255 HJ 2157 AD 68 33.7 27
Show 03027+7236 A 827 41 0.2 34
Show 03054+7244 LDS1563 56 41.1 43
Show 02487+7221 MLR 450 180 2.9 47
Show 02442+7225 TDS2346 86 0.4 61
Show 02444+7148 TDS2348 107 0.9 85
Show 02580+7124 CRB 166 215 11.5 90
Show 03153+7340 VKI 11 21 7.0 96
Show 03151+7352 HJ 2173 161 43.2 101
Show 03083+7126 HJ 2168 297 18.5 104
Show 03032+7436 MLR 387 120 0.4 107
Show 03149+7149 TDS2496 2 0.5 107
Show 03127+7133 STT 50 AB 145 1.0 110
Show 03127+7133 HJ 2172 AC 298 28.2 110
Show 03127+7133 SCA 171 Aa,Ab 27 0.4 110
Show 02398+7437 MLR 380 25 2.5 125
Show 02495+7500 LDS1559 58 28.5 132
Show 03054+7507 MLR 388 49 3.0 137
Show 03038+7039 HJ 2164 320 5.5 139
Show 02563+7512 YSC 88 228 0.2 139
Show 02395+7058 MLR 381 264 0.5 140
Show 03130+7057 LDS1565 314 4.8 141
Show 03059+7036 HDS 394 90 0.6 145
Show 02593+7025 TDS2406 131 0.5 149
Show 02455+7027 TDS2352 337 0.4 155
Show 02467+7524 HJ 2151 104 18.2 157
Show 03108+7028 LDS1564 308 1.5 160
Show 03051+7012 HJ 1129 347 44.1 168
Show 03033+7010 TDS2430 56 1.5 168
Show 03150+7030 A 976 251 0.5 169
Show 03024+7007 TDS2423 159 0.6 169
Show 02362+7030 HJ 1119 AB 315 16.2 171
Show 02362+7030 HJ 1119 AC 19 20.4 171
Show 02362+7030 HJ 1119 AD 335 51.8 171
Show 03025+6959 TDS2425 41 1.0 178
Show 03068+7548 HJ 2165 212 39.0 180
Show 03076+7548 HJ 2166 CR 344 7.4 180
Show 02569+6953 HJ 1128 104 4.6 181
Show 03076+7548 HJ 2166 AB 251 59.4 181
Show 03076+7548 HJ 2166 AC 193 60.5 181
Show 03076+7548 HJ 2166 AD 141 64.4 181
Show 03130+7003 KPP3512 BC 125 1.7 189
Show 02515+7602 HJ 2156 223 36.1 190

 
 
WDS 02563+7253 : COMPONENTS
 
 
  A B C
B pa=57.4°
sep=2.04"
 
C pa=161.7°
sep=30.09"
pa=165.4°
sep=30.65"
 
D pa=307.9°
sep=21.46"
pa=302.9°
sep=22.22"
pa=327.7°
sep=49.39"
 
 
02563+7253 A
 
 
Name HD 17785 Coord arcsec 2000 025611.32+725310.4 Mag 8.16 Spectral class G0 (yellow)
PmRA 42.00 PmDE -51.0 SAO 4776 HIP 13677
Tycho2 4321-01378-1 HD 17785 GC 3476 BD BD+72 152
Tycho2
Tycho2 4321-01378-1 Pflag P RAmdeg 44.04783690 DEmdeg 72.88620568
PmRA 42.2 PmDE -51.1 E RAmdeg 6 E DEmdeg 5
E pmRA 1.9 E pmDE 2.0 EpRAm 1991.47 EpDEm 1991.55
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 8.832 E BTmag 0.016 VTmag 8.160
E VTmag 0.011 Prox 21 TYC T HIP 13677
CCDM A RAdeg 44.04719389 DEdeg 72.88621556 EpRA 1990 1.57
EpDE 1990 1.62 E RAdeg 5.7 E DEdeg 5.2 Posflg D
Corr 0.1
SAO
SAO 4776 DelFlag RA1950 PmRA1950 0.0117
DE1950 PmDE1950 -0.045 Vmag 8 SpType G0
Double code Source 70 CatNum 3476 DM BD+72 152
DMcomp BDsup HD 17785 M HD 0
GC 3476 RA1950rad 0.74678801 DE1950rad 1.26858583 PmRA2000 0.011
PmDE2000 -0.051
Hipparcos
Catalog H HIP 13677 Proxy H RAhms 02 56 11.32
DEdms +72 53 10.4 Vmag 7.66 VarFlag R Vmag G
RAdeg 44.0472 DEdeg 72.8862 AstroRef A Plx 16.23
CCDM 02562+7253 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 39 Rho 2.12 HD 17785 BD BD+72 152
CD CP Dm number +72 152 VIred 0.7
SpType G0 R SpType Coord arcsec 2000 025611.32+725310.4
Hipparcos 2
HIP 13677 Sn 15 So 3 Nc 2
RArad 0.7687682767 DErad 1.272104459 Plx 15.16 PmRA 40.86
PmDE -43.02 E RArad 0.64 E DErad 0.91 E Plx 0.95
E pmRA 0.69 E pmDE 1.02 Hpmag 7.7876 E Hpmag 0.0011
SHp 0.013 VA 0 BV 0.631 E BV 0.015
VI 0.7
 
 
02563+7253 B
 
 
Coord arcsec 2000 025611.71+725311.5 Coord calc 025611.71+725311.5 Mag 8.92 PmRA 42.00
PmDE -51.0 Tycho2 4321-01378-2 Calc delta mag 0.76
Tycho2
Tycho2 4321-01378-2 Pflag P RAmdeg 44.04783690 DEmdeg 72.88620568
PmRA 42.2 PmDE -51.1 E RAmdeg 6 E DEmdeg 5
E pmRA 1.9 E pmDE 2.0 EpRAm 1991.47 EpDEm 1991.55
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 9.616 E BTmag 0.021 VTmag 8.917
E VTmag 0.014 Prox 21 TYC T HIP 13677
CCDM B RAdeg 44.04846250 DEdeg 72.88666639 EpRA 1990 1.57
EpDE 1990 1.61 E RAdeg 9.3 E DEdeg 8.2 Posflg D
Corr 0.0
 
 
02563+7253 C
 
 
Coord arcsec 2000 025613.46+725241.8 Mag 10.14 PmRA 42.00 PmDE -53.0
Calc delta mag 1.98 Calc coord yes
 
 
02563+7253 D
 
 
Coord arcsec 2000 025607.48+725323.6 Mag 12.82 PmRA -3.00 PmDE 3.0
Calc delta mag 4.66 Calc coord yes