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Doubles in session


Current system
02552+5950
MLR 520
HD 17911


Nearby doubles
14' : 02537+5957
TDS2380

29' : 02578+5929
STI 412AB

34' : 02586+5928
STI 416

34' : 02584+6013
STI 415

35' : 02513+6008
TDS2373

36' : 02578+6020
STI 411

39' : 02517+5921
GIC 35

40' : 02563+5911
STI1950AB

42' : 02546+6032
STI 404

43' : 02530+6028
BU 1375AB

45' : 03009+5940
STTA 31

45' : 02512+6023
BU 1316AB

47' : 02570+6034
SKF1996

47' : 02511+6025
STF 306AB

48' : 03014+5955
STI 419

50' : 02542+6039
ES 1815AB

51' : 02578+6036
STI 410

51' : 03019+5948
STI 421

51' : 02584+6035
STI 414AB

52' : 02516+6033
BU 1374AB

53' : 02584+6038
STI 413AB

55' : 02594+6034
TRN 14AB

57' : 03015+5920
STI 420

59' : 02563+5852
STF 321

62' : 03015+6029
ALV 1AB

62' : 02491+5910
STI1942



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.

02552+5950 MLR 520 (HD 17911)

 
 
02h 55m 12.64s +59° 49' 45.6" P.A. 62.00 sep 0.1 mag 8.76,8.87 Sp A5V dist. 142.25 pc (464.02 l.y.)
 
 
Coord 2000 02552+5950 Discov num MLR 520 Comp Coord arcsec 2000 02 55 12.64 +59 49 45.6
Date first 1974 Date last 2011 Obs 14
Pa first 39 Pa last 62.4 P.A. Now (θ) 26.3°
Sep first 0.2 Sep last 0.112 Sep. Now (ρ) 0.144"
Mag pri 8.76 Mag sec 8.87 delta mag (ΔM) 0.11 Spectral class A5V (white)
Pri motion ra -012 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 17911 Constellation Cassiopeia SAO 23692 HIP 13597
Tycho2 3713-00833-1 Gaia DR2 464579091929508736 HD 17911 BD BD+59 567
Distance 142.25 Distance ly 464.02
 
 
ORBITAL ELEMENTS
 
 
Period (P)50.354y± 0.237 Periastron (T)2002.824y± 0.24 Semi-major axis (a)0.1073a± 0.0013
Eccentricity (e)0.53± 0.01 Inclination (i)143.1°± 0.9 Longitude of periastron (ω)239.5°± 2.1
Node (Ω)66.2°± 1.7 Notes ReferenceCve2020b
Equinox Last observation2011 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 251.3 0.063
2001 235.6 0.056
2002 214.9 0.048
2003 187.2 0.042
2004 155.4 0.042
2005 128.0 0.049
2006 108.6 0.059
2007 95.1 0.070
2008 85.1 0.080
2009 77.4 0.090
2010 71.1 0.099
2011 65.8 0.106
2012 61.1 0.113
2013 57.0 0.119
2014 53.2 0.124
2015 49.7 0.128
2016 46.4 0.132
2017 43.2 0.135
2018 40.2 0.138
2019 37.3 0.140
2020 34.5 0.141
2021 31.7 0.142
2022 29.0 0.143
2023 26.3 0.144
2024 23.6 0.144
2025 20.9 0.143
2026 18.1 0.143
2027 15.4 0.142
2028 12.6 0.140
2029 9.7 0.139
2030 6.8 0.137


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


 
  


wds02552%2B5950b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 02552+5950 MLR 520 (HD 17911) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Cve2020b orb - Cvetkovic, Z. & Pavlovic, R. 2020AJ....160...48C
Cve2020b AJ 160, 48, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 MLR Muller, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02552+5950 MLR 520 1991 9 283 0.1 8.76 8.87 A5V 025512.64+594945.6
02552+5950 MLR 520 2009 10 74 0.1 8.76 8.87 A5V D 025512.64+594945.6
02552+5950 MLR 520 2011 14 62 0.1 8.76 8.87 A5V 025512.64+594945.6

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

 
 
WDS 02552+5950 MLR 520 (HD 17911) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02552+5950 MLR 520 (HD 17911) : MEASURES
 
 
No records found.

 
 
WDS 02552+5950 (HD 17911) : VIRTUAL EYEPIECE
 
 

02552+5950 MLR 520A mag 8.76 Sp A5V 02552+5950 MLR 520B sep 0.1 P.A. 43.90 mag 8.87 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 02552+5950 (HD 17911) : ALADIN DSS IMAGE @ 02h 55m 12.64s +59° 49' 45.6"
 
 
 
 
WDS 02552+5950 MLR 520 (HD 17911) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02552+5950 MLR 520 distance=0' 02537+5957 TDS2380 distance=14' 02578+5929 STI 412AB distance=29' 02578+5929 MRI 56AC distance=29' 02586+5928 STI 416 distance=34' 02584+6013 STI 415 distance=34' 02513+6008 TDS2373 distance=35' 02578+6020 STI 411 distance=36' 02517+5921 GIC 35 distance=39' 02563+5911 STI1950AB distance=40' 02563+5911 STI1950AC distance=40' 02530+6028 MLR 107Ba,Bb distance=42' 02546+6032 STI 404 distance=42' 02530+6028 BU 1375AB distance=43' 02530+6028 BU 1375AC distance=43' 03009+5940 STTA 31 distance=45' 02512+6023 BU 1316AB distance=45' 02512+6023 D 9001AB,C distance=45' 02512+6023 D 9001AB,D distance=45' 02512+6023 ABH 15AB,E distance=45' 02512+6023 ABH 15AB,F distance=45' 02512+6023 ABH 15AB,G distance=45' 02512+6023 ABH 15AB,H distance=45' 02512+6023 ABH 15AB,I distance=45' 02512+6023 ABH 15AB,J distance=45' 02512+6023 ABH 15AB,K distance=45' 02512+6023 ABH 15AB,L distance=45' 02512+6023 ABH 15AB,M distance=45' 02512+6023 ABH 15AB,N distance=45' 02512+6023 MZA 12AO distance=45' 02512+6023 BU 1316BC distance=45' 02511+6025 STI 398FH distance=47' 02570+6034 SKF1996 distance=47' 02511+6025 STI 398EF distance=47' 02511+6025 STF 306AB distance=47' 02511+6025 STF 306AC distance=47' 02511+6025 STF 306AD distance=47' 02511+6025 STF 306AE distance=47' 02511+6025 STF 306AG distance=47' 02511+6025 TRN 13AI distance=47' 02511+6025 STF 306AF distance=47' 02511+6025 MZA 11AJ distance=47' 02511+6025 MZA 11AK distance=47' 02511+6025 MZA 11AL distance=47' 02511+6025 SS 4AM distance=47' 02511+6025 SS 4AN distance=47' 02511+6025 SS 4AO distance=47' 02511+6025 SS 4AP distance=47' 02511+6025 SS 4AQ distance=47' 02511+6025 SS 4AR distance=47' 02511+6025 SS 4AS distance=47' 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 02552+5950 MLR 520 62 0.1
Show 02537+5957 TDS2380 323 0.9 14
Show 02578+5929 STI 412 AB 293 14.5 29
Show 02578+5929 MRI 56 AC 86 25.5 29
Show 02586+5928 STI 416 86 3.5 34
Show 02584+6013 STI 415 280 11.3 34
Show 02513+6008 TDS2373 290 0.5 35
Show 02578+6020 STI 411 60 5.1 36
Show 02517+5921 GIC 35 295 5.8 39
Show 02563+5911 STI1950 AB 255 9.1 40
Show 02563+5911 STI1950 AC 174 12.1 40
Show 02530+6028 MLR 107 Ba,Bb 313 3.4 42
Show 02546+6032 STI 404 203 12.4 42
Show 02530+6028 BU 1375 AB 179 16.9 43
Show 02530+6028 BU 1375 AC 24 75.9 43
Show 03009+5940 STTA 31 231 73.9 45
Show 02512+6023 BU 1316 AB 299 0.3 45
Show 02512+6023 D 9001 AB,C 21 10.8 45
Show 02512+6023 D 9001 AB,D 11 20.2 45
Show 02512+6023 ABH 15 AB,E 324 26.9 45
Show 02512+6023 ABH 15 AB,F 34 36.7 45
Show 02512+6023 ABH 15 AB,G 133 24.2 45
Show 02512+6023 ABH 15 AB,H 168 30.5 45
Show 02512+6023 ABH 15 AB,I 183 40.6 45
Show 02512+6023 ABH 15 AB,J 220 71.7 45
Show 02512+6023 ABH 15 AB,K 134 63.7 45
Show 02512+6023 ABH 15 AB,L 138 85.0 45
Show 02512+6023 ABH 15 AB,M 67 90.3 45
Show 02512+6023 ABH 15 AB,N 157 71.4 45
Show 02512+6023 MZA 12 AO 299 5.1 45
Show 02512+6023 BU 1316 BC 9.8 45
Show 02511+6025 STI 398 FH 106 14.5 47
Show 02570+6034 SKF1996 246 22.3 47
Show 02511+6025 STI 398 EF 91 8.7 47
Show 02511+6025 STF 306 AB 93 2.2 47
Show 02511+6025 STF 306 AC 159 27.4 47
Show 02511+6025 STF 306 AD 76 16.7 47
Show 02511+6025 STF 306 AE 113 19.0 47
Show 02511+6025 STF 306 AG 159 126.2 47
Show 02511+6025 TRN 13 AI 144 4.7 47
Show 02511+6025 STF 306 AF 107 27.0 47
Show 02511+6025 MZA 11 AJ 96 8.9 47
Show 02511+6025 MZA 11 AK 314 13.7 47
Show 02511+6025 MZA 11 AL 224 13.5 47
Show 02511+6025 SS 4 AM 295 13.1 47
Show 02511+6025 SS 4 AN 261 15.1 47
Show 02511+6025 SS 4 AO 167 17.8 47
Show 02511+6025 SS 4 AP 185 19.3 47
Show 02511+6025 SS 4 AQ 233 24.4 47
Show 02511+6025 SS 4 AR 6 38.2 47
Show 02511+6025 SS 4 AS 209 42.1 47

 
 
WDS 02552+5950 : COMPONENTS
 
 
  A
B pa=43.9°
sep=0.07"
 
 
02552+5950 A
 
 
Componente originario normalizzato AB Name HD 17911 Coord arcsec 2000 025512.64+594945.6 Mag 8.76
Spectral class A5V (white) PmRA -12.00 PmDE -2.0 SAO 23692
HIP 13597 Tycho2 3713-00833-1 HD 17911 BD BD+59 567
Tycho2
Tycho2 3713-00833-1 Pflag RAmdeg 43.80262499 DEmdeg 59.82930029
PmRA -10.8 PmDE -8.9 E RAmdeg 4 E DEmdeg 6
E pmRA 1.3 E pmDE 1.4 EpRAm 1991.61 EpDEm 1991.20
Num 12 Q RAmdeg 1.5 Q DEmdeg 1.7 Q pmRA 1.7
Q pmDE 1.6 BTmag 8.317 E BTmag 0.016 VTmag 8.016
E VTmag 0.011 Prox 999 TYC T HIP 13597
CCDM AB RAdeg 43.80267389 DEdeg 59.82932083 EpRA 1990 1.80
EpDE 1990 1.60 E RAdeg 4.4 E DEdeg 5.5 Posflg P
Corr 0.1
SAO
SAO 23692 DelFlag RA1950 PmRA1950 -0.0021
DE1950 PmDE1950 0 Vmag 7.8 SpType A3
Double code Source 38 CatNum 2600 DM BD+59 567
DMcomp BDsup HD 17911 M HD 0
GC RA1950rad 0.74761183 DE1950rad 1.04068679 PmRA2000 -0.0023
PmDE2000 -0.004
Hipparcos
Catalog H HIP 13597 Proxy H RAhms 02 55 12.64
DEdms +59 49 45.6 Vmag 7.98 VarFlag R Vmag G
RAdeg 43.8027 DEdeg 59.8293 AstroRef * Plx 6.63
CCDM 02552+5950 N CCDM M Nsys 1 Ncomp 2
MultFlag C Source S Qual B M HIP AB
Theta 283 Rho 0.11 HD 17911 BD BD+59 567
CD CP Dm number +59 567 VIred 0.32
SpType A5V R SpType Coord arcsec 2000 025512.64+594945.6
Hipparcos 2
HIP 13597 Sn 55 So 3 Nc 2
RArad 0.7645008957 DErad 1.0442186906 Plx 7.03 PmRA -13.2
PmDE -6.88 E RArad 0.67 E DErad 0.49 E Plx 0.93
E pmRA 0.88 E pmDE 0.94 Hpmag 8.0573 E Hpmag 0.0013
SHp 0.014 VA 0 BV 0.28 E BV 0.015
VI 0.32
CCDM
Ccdm 02552+5950 RComp Comp A Note1
Note2 Discov num DRAs 0.66 DDEs -14.4
R dRAs 81 Year Theta Rho
Obs 2 Vmag 8.5 Sp A5 PmNote @
PmRA -8 PmDE -8 Dm number +59 567 Cat1 BD
Name2 +59 297 Cat2 AGK2/3 HD 17911 M HD
ADS BDS M ADS BDS N IDS * IDS 02475N5925A
HIC 13597
 
 
02552+5950 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 025512.65+594945.7 Mag 8.87 Calc delta mag 0.11
Calc coord yes
CCDM
Ccdm 02552+5950 RComp Comp B Note1
Note2 Discov num MLR 520 DRAs DDEs
R dRAs Year 1988 Theta 334 Rho 0.1
Obs 6 Vmag 8.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 02475N5925B
HIC 13597