12244+2535 STF 1639 AB (HD 108007)

 
 
12h 24m 26.81s +25° 34' 56.7" P.A. 324.00 sep 1.9 mag 6.74,7.83 Sp A7V+F4V dist. 90.25 pc (294.4 l.y.)
 
 
Coord 2000 12244+2535 Discov num STF1639 Comp AB Coord arcsec 2000 12 24 26.81 +25 34 56.7
Date first 1827 Date last 2019 Obs 446
Pa first 291 Pa last 323.6 P.A. Now (θ) 323.6°
Sep first 1.3 Sep last 1.88 Sep. Now (ρ) 1.88"
Mag pri 6.74 Mag sec 7.83 delta mag (ΔM) 1.09 Spectral class A7V+F4V (white/yellow-white)
Pri motion ra -013 Sec motion ra -013
Pri motion dec -013 Sec motion dec -013
Notes O (Orbital solution)
This double is physical.
 
 
12244+2535 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 108007 82293 12 24 27 +25 34 57 STF 1639 AB 2019 446 324 1.9 6.74 7.83 1.09 Y <===
Show 82293 12 24 27 +25 34 57 STF 1639 AC 2015 11 159 91.4 6.74 11.42 4.68
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 108007 Constellation Coma Berenices SAO 82293 HIP 60525
Tycho2 1989-03211-1 Gaia DR2 4008366950132501120 HD 108007 HR 4719
GC 16911 ADS 8539 BD BD+26 2345 Distance 90.25
Distance ly 294.4
 
 
ORBITAL ELEMENTS
 
 
Period (P)575.44y Periastron (T)1891.75y Semi-major axis (a)1.224a
Eccentricity (e)0.926 Inclination (i)150.4° Longitude of periastron (ω)9.7°
Node (Ω)140.8° Notes ReferenceOle2000b
Equinox Last observation2000 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 324.6 1.712
2001 324.5 1.720
2002 324.4 1.728
2003 324.3 1.736
2004 324.2 1.744
2005 324.1 1.751
2006 324.0 1.759
2007 323.9 1.767
2008 323.8 1.774
2009 323.7 1.782
2010 323.6 1.789
2011 323.5 1.796
2012 323.4 1.804
2013 323.3 1.811
2014 323.2 1.818
2015 323.1 1.825
2016 323.0 1.832
2017 323.0 1.839
2018 322.9 1.846
2019 322.8 1.853
2020 322.7 1.860
2021 322.6 1.867
2022 322.5 1.873
2023 322.4 1.880
2024 322.3 1.886
2025 322.2 1.893
2026 322.2 1.899
2027 322.1 1.906
2028 322.0 1.912
2029 321.9 1.918
2030 321.8 1.925


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



 
 


wds12244%2B2535a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 12244+2535 STF 1639 AB (HD 108007) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ole2000b orb - Olevic, D. & Popovic, G.M. 2000IAUDS.141....2O
Ole2000b Inf. Circ. 141, 2, 2000
 
 
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
12244+2535 STF1639 AB 2007 420 325 1.7 6.74 7.83 A7V+F4V NOD 122426.81+253456.7
12244+2535 STF1639 AB 2010 430 324 1.8 6.74 7.83 A7V+F4V NOD 122426.81+253456.7
12244+2535 STF1639 AB 2013 439 324 1.8 6.74 7.83 A7V F4V NOD 122426.81+253456.7
12244+2535 STF1639 AB 2014 418 324 1.8 6.74 7.83 A7V F4V OD 122426.81+253456.7
12244+2535 STF1639 AB 2015 422 323 1.8 6.74 7.83 A7V+F4V O 122426.81+253456.7
12244+2535 STF1639 AB 2016 431 325 1.9 6.74 7.83 A7V+F4V O 122426.81+253456.7
12244+2535 STF1639 AB 2017 433 324 1.9 6.74 7.83 A7V+F4V O 122426.81+253456.7
12244+2535 STF1639 AB 2018 439 323 1.8 6.74 7.83 A7V+F4V O 122426.81+253456.7
12244+2535 STF1639 AB 2019 444 325 1.8 6.74 7.83 A7V+F4V O 122426.81+253456.7

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

 
 
WDS 12244+2535 STF 1639 AB (HD 108007) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12244+2535 STF 1639 AB (HD 108007) : MEASURES
 
 
No records found.

 
 
WDS 12244+2535 (HD 108007) : VIRTUAL EYEPIECE
 
 

12244+2535 STF1639A mag 6.74 Sp A7V 12244+2535 STF1639B sep 1.8 P.A. 326.40 mag 7.83 Sp F4V 12244+2535 STF1639C sep 90.3 P.A. 161.30 mag 11.42 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 12244+2535 (HD 108007) : ALADIN DSS IMAGE @ 12h 24m 26.81s +25° 34' 56.7"
 
 
 
 
WDS 12244+2535 STF 1639 AB (HD 108007) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


12244+2535  STF1639AB distance=0' 12251+2530  SLW 719 distance=10' 12250+2520  SLE 894 distance=18' 12225+2551  SMR  57DE distance=28' 12225+2551  SHJ 143AB distance=31' 12225+2551  SHJ 143AC distance=31' 12225+2551  ARN   6AD distance=31' 12243+2606  YSC  97 distance=32' 12271+2603  CVR1434 distance=46' 12268+2609  SLE 897AB distance=47' 12268+2609  UC 2339AC distance=47' 12266+2611  SLW 721 distance=47' 12240+2447  SKF1582 distance=49' 12279+2556  SDK  79 distance=51' 12208+2546  HJ  517 distance=52' 12264+2630  CVR1431 distance=61' 12282+2502  TOK 912 distance=61' 12289+2555  BU 1080BC distance=62' 12289+2555  BU 1080BD distance=62' 12242+2434  SKF1583 distance=62' 12203+2600  TOK 555 distance=62' 12289+2555  STFA 21AB distance=64' 12289+2555  SLE 898AE distance=64' 12289+2555  SLE 898AF distance=64' 12289+2555  BU 1080AD distance=64' 12251+2647  LNV   9 distance=73' 12261+2645  GUR  30 distance=74' 12206+2439  KPP3867 distance=78' 12268+2650  LDS1308AB distance=81' 12203+2637  PIN   6 distance=84' 12258+2658  SLE 896 distance=85' 12254+2700  SLE 895 distance=86' 12271+2655  UC 2341 distance=88' 12309+2555  LAS   7 distance=90' 12241+2706  SKF1014 distance=91' 12272+2701  STF1643AB distance=95' 12272+2701  LEP  54AC distance=95' 12313+2556  AZC  75 distance=95' 12186+2440  CVR 650 distance=97' 12173+2521  SKF1474 distance=99' 12311+2621  GUR  31 distance=101' 12269+2359  POU3126 distance=102' 12207+2703  STF1633 distance=102' 12282+2712  CVR1437 distance=110' 12311+2641  LDS4223 distance=111' 12244+2343  POU3124 distance=113' 12315+2437  STF1650 distance=113' 12262+2728  LDS1307AB distance=115' 12262+2728  LDS1307Aa,Ab distance=115' 12176+2425  CVR1423 distance=117' 12170+2634  LDS1287 distance=117' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 12244+2535 STF1639 AB 324 1.9
Show 12244+2535 STF1639 AC 159 91.4
Show 12251+2530 SLW 719 295 9.6 10
Show 12250+2520 SLE 894 160 11.8 18
Show 12225+2551 SMR 57 DE 166 13.1 28
Show 12225+2551 SHJ 143 AB 57 37.0 31
Show 12225+2551 SHJ 143 AC 167 65.2 31
Show 12225+2551 ARN 6 AD 132 213.9 31
Show 12243+2606 YSC 97 228 0.2 32
Show 12271+2603 CVR1434 336 5.0 46
Show 12268+2609 SLE 897 AB 126 13.7 47
Show 12268+2609 UC 2339 AC 263 39.3 47
Show 12266+2611 SLW 721 213 168.2 47
Show 12240+2447 SKF1582 249 96.1 49
Show 12279+2556 SDK 79 43 2.4 51
Show 12208+2546 HJ 517 238 19.9 52
Show 12264+2630 CVR1431 151 3.0 61
Show 12282+2502 TOK 912 118 0.0 61
Show 12289+2555 BU 1080 BC 180 1.4 62
Show 12289+2555 BU 1080 BD 284 192.9 62
Show 12242+2434 SKF1583 101 12.2 62
Show 12203+2600 TOK 555 170 662.0 62
Show 12289+2555 STFA 21 AB 251 146.4 64
Show 12289+2555 SLE 898 AE 270 447.4 64
Show 12289+2555 SLE 898 AF 145 125.5 64
Show 12289+2555 BU 1080 AD 270 324.0 64
Show 12251+2647 LNV 9 7 3.5 73
Show 12261+2645 GUR 30 166 1.1 74
Show 12206+2439 KPP3867 206 1.8 78
Show 12268+2650 LDS1308 AB 215 51.8 81
Show 12203+2637 PIN 6 187 42.7 84
Show 12258+2658 SLE 896 144 19.4 85
Show 12254+2700 SLE 895 39 20.9 86
Show 12271+2655 UC 2341 356 30.4 88
Show 12309+2555 LAS 7 231 10.3 90
Show 12241+2706 SKF1014 345 3.4 91
Show 12272+2701 STF1643 AB 3 2.8 95
Show 12272+2701 LEP 54 AC 261 221.4 95
Show 12313+2556 AZC 75 222 11.9 95
Show 12186+2440 CVR 650 277 15.3 97
Show 12173+2521 SKF1474 114 0.9 99
Show 12311+2621 GUR 31 22 2.2 101
Show 12269+2359 POU3126 348 14.0 102
Show 12207+2703 STF1633 245 9.0 102
Show 12282+2712 CVR1437 313 3.4 110
Show 12311+2641 LDS4223 271 21.7 111
Show 12244+2343 POU3124 293 14.4 113
Show 12315+2437 STF1650 178 16.6 113
Show 12262+2728 LDS1307 AB 232 47.7 115
Show 12262+2728 LDS1307 Aa,Ab 69 2.5 115
Show 12176+2425 CVR1423 5 3.9 117

 
 
WDS 12244+2535 : COMPONENTS
 
 
  A B
B pa=326.4°
sep=1.82"
 
C pa=161.3°
sep=90.31"
pa=161.0°
sep=92.07"
 
 
12244+2535 A
 
 
Name HD 108007 Coord arcsec 2000 122426.81+253456.7 Mag 6.74 Spectral class A7V (white)
PmRA -13.00 PmDE -13.0 SAO 82293 HIP 60525
Tycho2 1989-03211-1 HD 108007 HR 4719 GC 16911
BD BD+26 2345
Tycho2
Tycho2 1989-03211-1 Pflag P RAmdeg 186.11162555 DEmdeg 25.58245689
PmRA -13.0 PmDE -13.4 E RAmdeg 4 E DEmdeg 4
E pmRA 1.6 E pmDE 1.4 EpRAm 1991.70 EpDEm 1991.60
Num 7 Q RAmdeg 2.0 Q DEmdeg 0.8 Q pmRA 2.0
Q pmDE 0.9 BTmag 7.007 E BTmag 0.015 VTmag 6.739
E VTmag 0.010 Prox 16 TYC T HIP 60525
CCDM A RAdeg 186.11170083 DEdeg 25.58242917 EpRA 1990 1.80
EpDE 1990 1.72 E RAdeg 3.8 E DEdeg 4.1 Posflg D
Corr 0.2
SAO
SAO 82293 DelFlag RA1950 PmRA1950 -0.0011
DE1950 PmDE1950 -0.008 Vmag 6.3 SpType A5
Double code Source 70 CatNum 16911 DM BD+26 2345
DMcomp BDsup HD 108007 M HD 0
GC 16911 RA1950rad 3.23731637 DE1950rad 0.4513367 PmRA2000 -0.0011
PmDE2000 -0.004
Hipparcos
Catalog H HIP 60525 Proxy H RAhms 12 24 26.81
DEdms +25 34 56.7 Vmag 6.41 VarFlag R Vmag G
RAdeg 186.112 DEdeg 25.5824 AstroRef A Plx 10.23
CCDM 12244+2534 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 326 Rho 1.645 HD 108007 BD BD+26 2345
CD CP Dm number +26 2345 VIred 0.23
SpType F0V R SpType Coord arcsec 2000 122426.81+253456.7
Hipparcos 2
HIP 60525 Sn 15 So 3 Nc 2
RArad 3.2482619781 DErad 0.4464976369 Plx 11.08 PmRA -8.29
PmDE -9.92 E RArad 0.53 E DErad 0.34 E Plx 0.59
E pmRA 0.69 E pmDE 0.41 Hpmag 6.4683 E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.276 E BV 0.005
VI 0.23
 
 
12244+2535 B
 
 
Coord arcsec 2000 122426.74+253458.2 Mag 7.83 Spectral class F4V (yellow-white) PmRA -13.00
PmDE -13.0 Tycho2 1989-03211-2 Calc delta mag 1.09 Calc coord yes
Tycho2
Tycho2 1989-03211-2 Pflag P RAmdeg 186.11162555 DEmdeg 25.58245689
PmRA -13.0 PmDE -13.4 E RAmdeg 4 E DEmdeg 4
E pmRA 1.6 E pmDE 1.4 EpRAm 1991.70 EpDEm 1991.60
Num 7 Q RAmdeg 2.0 Q DEmdeg 0.8 Q pmRA 2.0
Q pmDE 0.9 BTmag 8.294 E BTmag 0.016 VTmag 7.830
E VTmag 0.012 Prox 16 TYC HIP 60525
CCDM B RAdeg 186.11142750 DEdeg 25.58280611 EpRA 1990 1.78
EpDE 1990 1.67 E RAdeg 5.3 E DEdeg 5.7 Posflg D
Corr 0.2
 
 
12244+2535 C
 
 
Coord arcsec 2000 122428.95+253331.2 Mag 11.42 PmRA 16.00 PmDE -20.0
Calc delta mag 4.68 Calc coord yes