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Current system
04089+4614
A 998
HD 25987


Nearby doubles
19' : 04073+4621
COU2024

28' : 04114+4624
TDS2781

30' : 04060+4611
COU1700

37' : 04057+4558
LDS3554

40' : 04081+4535
COU2025

49' : 04096+4701
STJ 105

50' : 04057+4537
A 997

52' : 04129+4645
TDS2788

54' : 04053+4535
COU1698

59' : 04065+4707
LDS3556

67' : 04041+4659
TDS2736

69' : 04057+4713
ES 1315

69' : 04024+4600
COU1697

75' : 04142+4704
STJ 106

79' : 04027+4700
A 996

87' : 04147+4512
A 999

87' : 04165+4539
COU2026

88' : 04158+4524
STF 512

88' : 04173+4613
STTA 44

90' : 04171+4547
GMZ 23

98' : 04177+4539
GMZ 24

103' : 04180+4536
A 1000

108' : 03586+4605
COU1696

108' : 04091+4801
ES 1223

110' : 04131+4754
HDS 535

111' : 04151+4445
GRV 209



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.

04089+4614 A 998 (HD 25987)

 
 
04h 08m 54.55s +46° 13' 40.2" P.A. 180.00 sep 0.2 mag 7.87,8.50 Sp A0V dist. 145.77 pc (475.5 l.y.)
 
 
Coord 2000 04089+4614 Discov num A   998 Comp Coord arcsec 2000 04 08 54.55 +46 13 40.2
Date first 1905 Date last 2013 Obs 37
Pa first 333 Pa last 179.5 P.A. Now (θ) 2.5°
Sep first 0.3 Sep last 0.197 Sep. Now (ρ) 0.191"
Mag pri 7.87 Mag sec 8.50 delta mag (ΔM) 0.63 Spectral class A0V (white)
Pri motion ra +023 Sec motion ra
Pri motion dec -032 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 25987 Constellation Perseus SAO 39339 HIP 19366
Tycho2 3328-02245-1 HD 25987 ADS 3007 BD BD+45 881
Distance 145.77 Distance ly 475.5
 
 
ORBITAL ELEMENTS
 
 
Period (P)158.245y± 7.794 Periastron (T)2010.16y± 2.03 Semi-major axis (a)0.2814a± 0.0103
Eccentricity (e)0.6922± 0.0522 Inclination (i)123.76°± 2.18 Longitude of periastron (ω)46.91°± 5.84
Node (Ω)170.76°± 3.17 Notes ReferencePop2000a
Equinox2000 Last observation1989 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 209.8 0.125
2001 205.2 0.124
2002 200.4 0.122
2003 195.4 0.119
2004 190.2 0.116
2005 184.7 0.112
2006 178.7 0.107
2007 172.1 0.101
2008 164.3 0.092
2009 154.9 0.082
2010 142.4 0.071
2011 125.3 0.060
2012 102.4 0.054
2013 77.2 0.055
2014 56.0 0.063
2015 40.9 0.076
2016 30.6 0.091
2017 23.2 0.107
2018 17.7 0.122
2019 13.4 0.137
2020 9.9 0.152
2021 7.0 0.166
2022 4.6 0.179
2023 2.5 0.191
2024 0.6 0.203
2025 359.0 0.214
2026 357.5 0.225
2027 356.1 0.235
2028 354.8 0.245
2029 353.7 0.254
2030 352.6 0.263


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


 
  


wds04089%2B4614a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04089+4614 A 998 (HD 25987) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Pop2000a orb - Popovic, G.M., Pavlovic, R., & Zivkov, V. 2000A&AS..144..211P
Pop2000a A&AS 144, 211, 2000
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04089+4614 A 998 1991 32 61 0.1 7.87 8.50 A0V O 040854.55+461340.2
04089+4614 A 998 2007 33 194 0.2 7.87 8.50 A0V O 040854.55+461340.2
04089+4614 A 998 2008 34 185 0.2 7.87 8.50 A0V O 040854.55+461340.2
04089+4614 A 998 2013 37 180 0.2 7.87 8.50 A0V O 040854.55+461340.2

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

 
 
WDS 04089+4614 A 998 (HD 25987) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04089+4614 A 998 (HD 25987) : MEASURES
 
 
No records found.

 
 
WDS 04089+4614 (HD 25987) : VIRTUAL EYEPIECE
 
 

04089+4614 A 998A mag 7.87 Sp A0V 04089+4614 A 998B sep 0.2 P.A. 179.70 mag 8.5 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 04089+4614 (HD 25987) : ALADIN DSS IMAGE @ 04h 08m 54.55s +46° 13' 40.2"
 
 
 
 
WDS 04089+4614 A 998 (HD 25987) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04089+4614 A 998 distance=0' 04073+4621 COU2024 distance=19' 04114+4624 TDS2781 distance=28' 04060+4611 COU1700 distance=30' 04057+4558 LDS3554 distance=37' 04081+4535 COU2025 distance=40' 04096+4701 STJ 105 distance=49' 04057+4537 A 997 distance=50' 04129+4645 TDS2788 distance=52' 04053+4535 COU1698 distance=54' 04065+4707 LDS3556 distance=59' 04041+4659 TDS2736 distance=67' 04057+4713 ES 1315 distance=69' 04024+4600 COU1697 distance=69' 04142+4704 STJ 106 distance=75' 04027+4700 A 996 distance=79' 04147+4512 A 999 distance=87' 04165+4539 COU2026 distance=87' 04158+4524 STF 512 distance=88' 04173+4613 STTA 44 distance=88' 04171+4547 GMZ 23 distance=90' 04177+4539 GMZ 24 distance=98' 04180+4536 A 1000 distance=103' 03586+4605 COU1696 distance=108' 04091+4801 ES 1223 distance=108' 04131+4754 HDS 535 distance=110' 04151+4445 GRV 209 distance=111' 04198+4610 COU2028 distance=114' 03581+4548 COU1695 distance=116' 04197+4538 BRT 82 distance=118' 04202+4638 LDS3573AB distance=120' 04205+4559 A 1001 distance=121' 04112+4414 ES 1368 distance=122' 03599+4454 A 995 distance=124' 04203+4539 LDS3574 distance=125' 04061+4413 ES 1367 distance=125' 04122+4413 ES 1369 distance=127' 04120+4817 ES 1224 distance=127' 04059+4411 COU1699 distance=127' 04207+4540 GMZ 26 distance=128' 04110+4408 TDS2778 distance=128' 04116+4408 COU1704 distance=129' 04106+4406 COU1703 distance=129' 04204+4527 A 1002 distance=130' 04032+4416 ES 1366AB distance=133' 04032+4416 ES 1366AC distance=133' 04075+4826 BVD 194 distance=133' 04201+4505 COU2029 distance=137' 04212+4526 GMZ 27 distance=138' 04219+4545 GMZ 28 distance=139' 04223+4620 LDS3580 distance=139' 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 04089+4614 A 998 180 0.2
Show 04073+4621 COU2024 212 1.3 19
Show 04114+4624 TDS2781 346 0.8 28
Show 04060+4611 COU1700 72 1.3 30
Show 04057+4558 LDS3554 18 143.8 37
Show 04081+4535 COU2025 344 0.3 40
Show 04096+4701 STJ 105 311 1.4 49
Show 04057+4537 A 997 190 1.3 50
Show 04129+4645 TDS2788 117 0.7 52
Show 04053+4535 COU1698 245 1.5 54
Show 04065+4707 LDS3556 71 269.6 59
Show 04041+4659 TDS2736 124 2.4 67
Show 04057+4713 ES 1315 295 8.5 69
Show 04024+4600 COU1697 136 1.2 69
Show 04142+4704 STJ 106 181 1.3 75
Show 04027+4700 A 996 274 1.5 79
Show 04147+4512 A 999 73 0.9 87
Show 04165+4539 COU2026 160 0.4 87
Show 04158+4524 STF 512 217 5.5 88
Show 04173+4613 STTA 44 321 58.6 88
Show 04171+4547 GMZ 23 251 7.0 90
Show 04177+4539 GMZ 24 196 7.6 98
Show 04180+4536 A 1000 273 2.6 103
Show 03586+4605 COU1696 140 0.9 108
Show 04091+4801 ES 1223 112 3.8 108
Show 04131+4754 HDS 535 238 0.2 110
Show 04151+4445 GRV 209 293 22.4 111
Show 04198+4610 COU2028 324 0.4 114
Show 03581+4548 COU1695 279 0.6 116
Show 04197+4538 BRT 82 12 5.1 118
Show 04202+4638 LDS3573 AB 145 41.8 120
Show 04205+4559 A 1001 184 3.0 121
Show 04112+4414 ES 1368 2.6 122
Show 03599+4454 A 995 276 3.0 124
Show 04203+4539 LDS3574 96 275.9 125
Show 04061+4413 ES 1367 13 7.0 125
Show 04122+4413 ES 1369 212 7.3 127
Show 04120+4817 ES 1224 192 1.2 127
Show 04059+4411 COU1699 266 1.1 127
Show 04207+4540 GMZ 26 101 27.1 128
Show 04110+4408 TDS2778 296 1.2 128
Show 04116+4408 COU1704 166 1.0 129
Show 04106+4406 COU1703 71 0.6 129
Show 04204+4527 A 1002 274 0.1 130
Show 04032+4416 ES 1366 AB 345 2.8 133
Show 04032+4416 ES 1366 AC 283 23.9 133
Show 04075+4826 BVD 194 22 12.6 133
Show 04201+4505 COU2029 318 0.5 137
Show 04212+4526 GMZ 27 274 20.9 138
Show 04219+4545 GMZ 28 221 5.4 139
Show 04223+4620 LDS3580 178 462.6 139

 
 
WDS 04089+4614 : COMPONENTS
 
 
  A
B pa=179.7°
sep=0.20"
 
 
04089+4614 A
 
 
Componente originario normalizzato AB Name HD 25987 Coord arcsec 2000 040854.55+461340.2 Mag 7.87
Spectral class A0V (white) PmRA 23.00 PmDE -32.0 SAO 39339
HIP 19366 Tycho2 3328-02245-1 HD 25987 ADS 3007
BD BD+45 881
Tycho2
Tycho2 3328-02245-1 Pflag RAmdeg 62.22735350 DEmdeg 46.22774587
PmRA 21.6 PmDE -33.5 E RAmdeg 4 E DEmdeg 5
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.52 EpDEm 1991.32
Num 10 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.7 BTmag 7.572 E BTmag 0.015 VTmag 7.350
E VTmag 0.011 Prox 993 TYC T HIP 19366
CCDM AS RAdeg 62.22728222 DEdeg 46.22782389 EpRA 1990 1.74
EpDE 1990 1.63 E RAdeg 4.2 E DEdeg 4.8 Posflg P
Corr 0.0
SAO
SAO 39339 DelFlag RA1950 PmRA1950 0.0035
DE1950 PmDE1950 -0.034 Vmag 7.7 SpType A0
Double code Source 3 CatNum 393 DM BD+45 881
DMcomp BDsup HD 25987 M HD 0
GC RA1950rad 1.07042637 DE1950rad 0.80453677 PmRA2000 0.0034
PmDE2000 -0.036
Hipparcos
Catalog H HIP 19366 Proxy H RAhms 04 08 54.55
DEdms +46 13 40.2 Vmag 7.33 VarFlag R Vmag H
RAdeg 62.2273 DEdeg 46.2278 AstroRef * Plx 6.65
CCDM 04089+4614 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AS
Theta 61 Rho 0.149 HD 25987 BD BD+45 881
CD CP Dm number +45 881 VIred 0.21
SpType A0 R SpType Coord arcsec 2000 040854.55+461340.2
Hipparcos 2
HIP 19366 Sn 55 So 3 Nc 2
RArad 1.08607083 DErad 0.8068278143 Plx 6.86 PmRA 20.77
PmDE -34.51 E RArad 0.58 E DErad 0.46 E Plx 0.79
E pmRA 0.75 E pmDE 0.68 Hpmag 7.3908 E Hpmag 0.001
SHp 0.009 VA 0 BV 0.194 E BV 0.009
VI 0.21
CCDM
Ccdm 04089+4614 RComp Comp A Note1
Note2 Discov num DRAs 0.60 DDEs -20.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.7 Sp A0 PmNote *
PmRA 27 PmDE -29 Dm number +45 881 Cat1 BD
Name2 +46 393 Cat2 AGK2/3 HD 25987 M HD
ADS BDS A 3007 M ADS BDS N IDS IDS 04018N4558A
HIC 19366
 
 
04089+4614 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 040854.55+461340.0 Mag 8.5 Calc delta mag 0.63
Calc coord yes
CCDM
Ccdm 04089+4614 RComp Comp B Note1
Note2 Discov num A 998 DRAs DDEs
R dRAs Year 1955 Theta 300 Rho 0.3
Obs 10 Vmag 8.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3007 M ADS BDS N IDS IDS 04018N4558B
HIC 19366