08539+1958 COU 773 (HD 75974)
08h 53m 55.35s +19° 58' 01.7" P.A. 74.00 sep 0.1 mag 7.32,7.86 Sp F8 dist. 164.74 pc (537.38 l.y.)
Coord 2000 |
08539+1958 |
|
Discov num |
COU 773 |
|
Comp |
|
|
Coord arcsec 2000 |
08 53 55.35 +19 58 01.7 |
|
Date first |
1972 |
|
Date last |
2014 |
|
Obs |
44 |
|
Pa first |
30 |
|
Pa last |
74.2 |
|
P.A. Now (θ) |
74.2° |
|
Sep first |
0.2 |
|
Sep last |
0.079 |
|
Sep. Now (ρ) |
0.079" |
|
Mag pri |
7.32 |
|
Mag sec |
7.86 |
|
delta mag (ΔM) |
0.54 |
|
Spectral class |
F8 (yellow-white) |
|
Pri motion ra |
-024 |
|
Sec motion ra |
|
|
Pri motion dec |
-009 |
|
Sec motion dec |
|
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 75974 |
|
Constellation |
Cancer |
|
SAO |
80491 |
|
HIP |
43683 |
|
Tycho2 |
1397-00178-1 |
|
Gaia DR2 |
660794844638679808 |
|
HD |
75974 |
|
GC |
12284 |
|
BD |
BD+20 2232 |
|
Distance |
164.74 |
|
Distance ly |
537.38 |
|
ORBITAL ELEMENTS
Period (P) | 165.3y | ± 7.7 |
Periastron (T) | 2019.5y | ± 2.1 |
Semi-major axis (a) | 0.232a | ± 0.007 |
Eccentricity (e) | 0.213 | ± 0.008 |
Inclination (i) | 76.5° | ± 0.2 |
Longitude of periastron (ω) | 86.6° | ± 7.2 |
Node (Ω) | 45.2° | ± 0.1 |
Notes | | |
Reference | Ksr2021 | |
Equinox | | |
Last observation | 2006 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
51.2 |
0.185 |
2001 |
52.0 |
0.180 |
2002 |
52.8 |
0.174 |
2003 |
53.7 |
0.167 |
2004 |
54.7 |
0.161 |
2005 |
55.8 |
0.154 |
2006 |
57.0 |
0.146 |
2007 |
58.3 |
0.139 |
2008 |
59.8 |
0.131 |
2009 |
61.5 |
0.123 |
2010 |
63.4 |
0.114 |
2011 |
65.6 |
0.106 |
2012 |
68.1 |
0.097 |
2013 |
71.2 |
0.089 |
2014 |
75.0 |
0.080 |
2015 |
79.6 |
0.072 |
2016 |
85.5 |
0.064 |
2017 |
92.9 |
0.056 |
2018 |
102.4 |
0.050 |
2019 |
114.2 |
0.045 |
2020 |
128.0 |
0.043 |
2021 |
142.7 |
0.043 |
2022 |
156.4 |
0.046 |
2023 |
168.1 |
0.050 |
2024 |
177.5 |
0.057 |
2025 |
184.9 |
0.064 |
2026 |
190.7 |
0.072 |
2027 |
195.3 |
0.081 |
2028 |
199.0 |
0.089 |
2029 |
202.1 |
0.098 |
2030 |
204.6 |
0.106 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
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|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 08539+1958 COU 773 (HD 75974) : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
KSR2021 |
orb - |
Kisser, A.E. & Krechet, V.G. |
2021AstL...47..754K |
KSR2021 |
|
Ast. Lett. 47, 754, 2021 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
COU |
Couteau, P. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
08539+1958 |
COU 773 |
|
2006 |
42 |
57 |
0.1 |
7.32 |
7.86 |
F8 |
O |
085355.35+195801.7 |
08539+1958 |
COU 773 |
|
2007 |
43 |
62 |
0.2 |
7.32 |
7.86 |
F8 |
O |
085355.35+195801.7 |
08539+1958 |
COU 773 |
|
2014 |
44 |
74 |
0.1 |
7.32 |
7.86 |
F8 |
O |
085355.35+195801.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 08539+1958 COU 773 (HD 75974) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 08539+1958 COU 773 (HD 75974) : MEASURES
No records found.
WDS 08539+1958 (HD 75974) : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 08539+1958 (HD 75974) : ALADIN DSS IMAGE @ 08h 53m 55.35s +19° 58' 01.7"
WDS 08539+1958 COU 773 (HD 75974) : NEIGHBORHOODS
|
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 |
|
08539+1958 |
COU 773 |
|
74 |
0.1 |
1 |
Show |
|
08545+1957 |
BRT2394 |
|
232 |
3.5 |
9 |
Show |
|
08529+1957 |
TDS6160 |
|
323 |
9.3 |
15 |
Show |
|
08542+1935 |
HDS1286 |
|
354 |
0.9 |
24 |
Show |
|
08557+2000 |
COU 774 |
|
23 |
2.9 |
25 |
Show |
|
08538+2028 |
UC 1727 |
|
333 |
9.9 |
30 |
Show |
|
08557+1939 |
GWP1114 |
|
344 |
68.0 |
33 |
Show |
|
08520+1938 |
LDS3825 |
|
81 |
10.3 |
33 |
Show |
|
08544+2035 |
SHN 270 |
|
-1 |
0.0 |
38 |
Show |
|
08567+1951 |
OCC 743 |
Aa,Ab |
-1 |
0.1 |
40 |
Show |
|
08567+1951 |
BLL 27 |
AB |
254 |
139.0 |
40 |
Show |
|
08570+2012 |
SHN 271 |
|
-1 |
0.0 |
45 |
Show |
|
08517+2036 |
SLW 306 |
|
67 |
11.8 |
50 |
Show |
|
08564+2035 |
HJ 461 |
|
286 |
15.9 |
51 |
Show |
|
08563+2042 |
STJ 32 |
|
136 |
1.2 |
56 |
Show |
|
08578+2001 |
LDS3835 |
|
287 |
12.7 |
56 |
Show |
|
08582+1945 |
LDS3836 |
|
249 |
2.6 |
63 |
Show |
|
08514+2053 |
STF1285 |
|
338 |
25.9 |
67 |
Show |
|
08490+2012 |
UC 1717 |
AB |
196 |
40.4 |
72 |
Show |
|
08493+2032 |
AZC 57 |
|
216 |
16.0 |
74 |
Show |
|
08514+2105 |
COU 588 |
|
333 |
0.4 |
76 |
Show |
|
08554+2112 |
BRT2395 |
|
115 |
2.8 |
77 |
Show |
|
08593+2006 |
BRT2396 |
|
132 |
5.5 |
79 |
Show |
|
08482+1941 |
HU 458 |
|
189 |
1.6 |
83 |
Show |
|
08484+2042 |
TOK 266 |
|
22 |
34.2 |
90 |
Show |
|
08476+1948 |
OCC 755 |
|
-1 |
0.1 |
90 |
Show |
|
08589+2110 |
KPP3770 |
|
89 |
4.5 |
101 |
Show |
|
08468+1949 |
TDS6092 |
|
269 |
0.5 |
102 |
Show |
|
08466+1937 |
SLW 292 |
|
312 |
160.9 |
105 |
Show |
|
08543+2144 |
KPP2187 |
|
260 |
18.0 |
107 |
Show |
|
09010+1922 |
CVR1185 |
|
94 |
3.9 |
107 |
Show |
|
08560+2142 |
OCC 716 |
|
-1 |
0.1 |
108 |
Show |
|
08462+1915 |
STF1269 |
AB |
309 |
11.4 |
112 |
Show |
|
08462+1915 |
FYM 619 |
AC |
198 |
11.9 |
112 |
Show |
|
08584+1825 |
GWP1123 |
|
327 |
22.2 |
113 |
Show |
|
08466+1915 |
SLW 291 |
|
50 |
100.4 |
113 |
Show |
|
08481+1836 |
COU 956 |
|
23 |
0.3 |
116 |
Show |
|
08465+2051 |
UC 125 |
|
230 |
16.9 |
118 |
Show |
|
08598+1833 |
CVR 86 |
|
253 |
39.2 |
119 |
Show |
|
08454+2026 |
KPP2015 |
|
180 |
16.0 |
123 |
Show |
|
08452+1941 |
BOV 54 |
AB |
238 |
0.4 |
124 |
Show |
|
08452+1941 |
BOV 54 |
Aa,Ab |
119 |
0.1 |
124 |
Show |
|
08452+1941 |
BOV 54 |
AC |
287 |
5.3 |
124 |
Show |
|
08509+1802 |
SCA 206 |
|
88 |
3.7 |
125 |
Show |
|
08510+1802 |
BRT2392 |
|
88 |
3.7 |
125 |
Show |
|
08507+1800 |
A 2473 |
|
92 |
0.2 |
127 |
Show |
|
08448+1942 |
GII 57 |
|
287 |
5.2 |
131 |
Show |
|
09008+2127 |
OCC 706 |
|
-1 |
0.1 |
132 |
Show |
|
08518+2207 |
BRT2393 |
|
229 |
3.5 |
132 |
Show |
|
08448+1926 |
GWP1074 |
|
330 |
130.4 |
133 |
Show |
|
08477+2139 |
SLE 475 |
|
335 |
11.6 |
134 |
|
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WDS 08539+1958 : COMPONENTS
08539+1958 A
Componente originario normalizzato |
AB |
|
Name |
HD 75974 |
|
Coord arcsec 2000 |
085355.35+195801.7 |
|
Mag |
7.32 |
|
Spectral class |
F8 (yellow-white) |
|
PmRA |
-24.00 |
|
PmDE |
-9.0 |
|
SAO |
80491 |
|
HIP |
43683 |
|
Tycho2 |
1397-00178-1 |
|
HD |
75974 |
|
GC |
12284 |
|
BD |
BD+20 2232 |
|
Tycho2 |
1397-00178-1 |
|
Pflag |
|
|
RAmdeg |
133.48055642 |
|
DEmdeg |
19.96713482 |
|
PmRA |
-23.1 |
|
PmDE |
-5.6 |
|
E RAmdeg |
4 |
|
E DEmdeg |
5 |
|
E pmRA |
0.7 |
|
E pmDE |
0.7 |
|
EpRAm |
1991.24 |
|
EpDEm |
1990.74 |
|
Num |
25 |
|
Q RAmdeg |
1.5 |
|
Q DEmdeg |
1.4 |
|
Q pmRA |
1.6 |
|
Q pmDE |
1.4 |
|
BTmag |
7.550 |
|
E BTmag |
0.016 |
|
VTmag |
6.749 |
|
E VTmag |
0.010 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
43683 |
|
CCDM |
AB |
|
RAdeg |
133.48061278 |
|
DEdeg |
19.96714806 |
|
EpRA 1990 |
1.77 |
|
EpDE 1990 |
1.57 |
|
E RAdeg |
4.3 |
|
E DEdeg |
4.9 |
|
Posflg |
P |
|
Corr |
0.1 |
|
SAO |
80491 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.002 |
|
DE1950 |
|
|
PmDE1950 |
-0.009 |
|
Vmag |
6.8 |
|
SpType |
F8 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
12284 |
|
DM |
BD+20 2232 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
75974 |
|
M HD |
0 |
|
GC |
12284 |
|
RA1950rad |
2.31720361 |
|
DE1950rad |
0.35181482 |
|
PmRA2000 |
-0.0021 |
|
PmDE2000 |
-0.005 |
|
Catalog |
H |
|
HIP |
43683 |
|
Proxy |
H |
|
RAhms |
08 53 55.35 |
|
DEdms |
+19 58 01.7 |
|
Vmag |
6.68 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
133.481 |
|
DEdeg |
19.9671 |
|
AstroRef |
* |
|
Plx |
5.02 |
|
CCDM |
08539+1958 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
45 |
|
Rho |
0.215 |
|
HD |
75974 |
|
BD |
BD+20 2232 |
|
CD |
|
|
CP |
|
|
Dm number |
+20 2232 |
|
VIred |
0.76 |
|
SpType |
F8 |
|
R SpType |
|
|
Coord arcsec 2000 |
085355.35+195801.7 |
|
HIP |
43683 |
|
Sn |
55 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
2.3296762416 |
|
DErad |
0.3484924487 |
|
Plx |
6.07 |
|
PmRA |
-22.06 |
|
PmDE |
-5.36 |
|
E RArad |
0.92 |
|
E DErad |
0.67 |
|
E Plx |
0.96 |
|
E pmRA |
1.26 |
|
E pmDE |
1.01 |
|
Hpmag |
6.805 |
|
E Hpmag |
0.0013 |
|
SHp |
0.008 |
|
VA |
0 |
|
BV |
0.701 |
|
E BV |
0.006 |
|
VI |
0.76 |
|
Ccdm |
08539+1958 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
1.31 |
|
DDEs |
0.5 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
7.2 |
|
Sp |
F8 |
|
PmNote |
* |
|
PmRA |
-28 |
|
PmDE |
-32 |
|
Dm number |
+20 2232 |
|
Cat1 |
BD |
|
Name2 |
+20 1050 |
|
Cat2 |
AGK2/3 |
|
HD |
75974 |
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
08482N2021A |
|
HIC |
43683 |
|
08539+1958 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
085355.36+195801.7 |
|
Mag |
7.86 |
|
Calc delta mag |
0.54 |
|
Calc coord |
yes |
|
Ccdm |
08539+1958 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
COU 773 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1972 |
|
Theta |
30 |
|
Rho |
0.2 |
|
Obs |
1 |
|
Vmag |
7.6 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
08482N2021B |
|
HIC |
43683 |
|