10301+2048 STF 1439 (HD 90915)
10h 30m 06.42s +20° 48' 04.3" P.A. 73.00 sep 1.4 mag 8.32,8.87 Sp G0V dist. 76.63 pc (249.97 l.y.)
Coord 2000 |
10301+2048 |
|
Discov num |
STF1439 |
|
Comp |
|
|
Coord arcsec 2000 |
10 30 06.42 +20 48 04.3 |
|
Date first |
1829 |
|
Date last |
2019 |
|
Obs |
201 |
|
Pa first |
131 |
|
Pa last |
72.9 |
|
P.A. Now (θ) |
72.9° |
|
Sep first |
2.0 |
|
Sep last |
1.429 |
|
Sep. Now (ρ) |
1.429" |
|
Mag pri |
8.32 |
|
Mag sec |
8.87 |
|
delta mag (ΔM) |
0.55 |
|
Spectral class |
G0V (yellow) |
|
Pri motion ra |
+095 |
|
Sec motion ra |
+095 |
|
Pri motion dec |
-064 |
|
Sec motion dec |
-064 |
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 90915 |
|
Constellation |
Leo |
|
SAO |
81385 |
|
HIP |
51419 |
|
Tycho2 |
1427-00809-1 |
|
Gaia DR2 |
720998775614933376 |
|
HD |
90915 |
|
GC |
14425 |
|
ADS |
7802 |
|
BD |
BD+21 2202 |
|
Distance |
76.63 |
|
Distance ly |
249.97 |
|
ORBITAL ELEMENTS
Period (P) | 789.3505y | ± 347.2763 |
Periastron (T) | 1767.328y | ± 59.3052 |
Semi-major axis (a) | 2.97269a | ± 1.21457 |
Eccentricity (e) | 0.66568 | ± 0.22683 |
Inclination (i) | 106.373° | ± 8.393 |
Longitude of periastron (ω) | 283.11° | ± 26.004 |
Node (Ω) | 140.625° | ± 10.588 |
Notes | | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
78.8 |
1.372 |
2001 |
78.3 |
1.369 |
2002 |
77.9 |
1.367 |
2003 |
77.4 |
1.364 |
2004 |
77.0 |
1.362 |
2005 |
76.5 |
1.359 |
2006 |
76.1 |
1.357 |
2007 |
75.6 |
1.354 |
2008 |
75.1 |
1.352 |
2009 |
74.7 |
1.350 |
2010 |
74.2 |
1.348 |
2011 |
73.7 |
1.346 |
2012 |
73.3 |
1.344 |
2013 |
72.8 |
1.342 |
2014 |
72.3 |
1.340 |
2015 |
71.8 |
1.338 |
2016 |
71.4 |
1.336 |
2017 |
70.9 |
1.334 |
2018 |
70.4 |
1.333 |
2019 |
69.9 |
1.331 |
2020 |
69.5 |
1.330 |
2021 |
69.0 |
1.328 |
2022 |
68.5 |
1.327 |
2023 |
68.0 |
1.326 |
2024 |
67.5 |
1.324 |
2025 |
67.1 |
1.323 |
2026 |
66.6 |
1.322 |
2027 |
66.1 |
1.321 |
2028 |
65.6 |
1.320 |
2029 |
65.1 |
1.319 |
2030 |
64.6 |
1.319 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 10301+2048 STF 1439 (HD 90915) : 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 |
10301+2048 |
STF1439 |
|
2006 |
191 |
79 |
1.2 |
8.32 |
8.87 |
G0V |
D |
103006.42+204804.3 |
10301+2048 |
STF1439 |
|
2010 |
197 |
75 |
1.3 |
8.32 |
8.87 |
G0V |
D |
103006.42+204804.3 |
10301+2048 |
STF1439 |
|
2015 |
196 |
71 |
1.3 |
8.32 |
8.87 |
G0V |
|
103006.42+204804.3 |
10301+2048 |
STF1439 |
|
2016 |
197 |
68 |
1.4 |
8.32 |
8.87 |
G0V |
|
103006.42+204804.3 |
10301+2048 |
STF1439 |
|
2017 |
198 |
71 |
1.3 |
8.32 |
8.87 |
G0V |
|
103006.42+204804.3 |
10301+2048 |
STF1439 |
|
2019 |
199 |
73 |
1.4 |
8.32 |
8.87 |
G0V |
|
103006.42+204804.3 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 10301+2048 STF 1439 (HD 90915) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 10301+2048 STF 1439 (HD 90915) : MEASURES
No records found.
WDS 10301+2048 (HD 90915) : 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 10301+2048 (HD 90915) : ALADIN DSS IMAGE @ 10h 30m 06.42s +20° 48' 04.3"
WDS 10301+2048 STF 1439 (HD 90915) : 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 |
|
10301+2048 |
STF1439 |
|
73 |
1.4 |
|
Show |
|
10308+2116 |
SLW 482 |
|
175 |
16.5 |
30 |
Show |
|
10314+2023 |
SKF1731 |
|
215 |
1.2 |
31 |
Show |
|
10331+2052 |
COU 172 |
|
33 |
0.3 |
42 |
Show |
|
10300+2133 |
RAO 251 |
|
286 |
1.2 |
45 |
Show |
|
10269+2106 |
CVR1291 |
|
106 |
3.6 |
50 |
Show |
|
10337+2045 |
COU 173 |
|
185 |
0.8 |
50 |
Show |
|
10281+2141 |
KPP 753 |
|
283 |
6.6 |
61 |
Show |
|
10280+1950 |
STF1435 |
|
203 |
8.5 |
66 |
Show |
|
10344+2136 |
HU 1338 |
AB |
184 |
3.5 |
77 |
Show |
|
10344+2136 |
STF1448 |
AC |
260 |
11.0 |
77 |
Show |
|
10301+1931 |
KPP3818 |
|
198 |
2.4 |
77 |
Show |
|
10264+1951 |
GWP1372 |
|
145 |
110.9 |
78 |
Show |
|
10320+2202 |
STF1442 |
|
157 |
13.3 |
79 |
Show |
|
10308+1929 |
KPP1106 |
|
323 |
8.8 |
80 |
Show |
|
10248+2002 |
FMR 215 |
|
264 |
2.5 |
89 |
Show |
|
10269+1931 |
COU 292 |
|
50 |
0.2 |
90 |
Show |
|
10361+2009 |
TDS7369 |
|
277 |
0.7 |
93 |
Show |
|
10364+2140 |
DAM2451 |
|
63 |
39.1 |
102 |
Show |
|
10349+1930 |
HJ 485 |
|
157 |
18.9 |
103 |
Show |
|
10367+2136 |
LEP 37 |
|
46 |
14.6 |
104 |
Show |
|
10305+2243 |
POU3081 |
|
273 |
7.3 |
116 |
Show |
|
10228+2149 |
KPP 220 |
|
149 |
3.9 |
120 |
Show |
|
10217+2124 |
HJL1058 |
|
149 |
196.1 |
123 |
Show |
|
10208+2058 |
SLW 464 |
|
77 |
179.6 |
131 |
Show |
|
10217+2144 |
COU 171 |
|
130 |
3.7 |
131 |
Show |
|
10274+1834 |
GWP1376 |
|
283 |
136.8 |
139 |
Show |
|
10332+1830 |
SLW 491 |
|
68 |
135.9 |
145 |
Show |
|
10389+2206 |
CVR1300 |
|
82 |
4.0 |
146 |
Show |
|
10382+2228 |
POU3082 |
|
294 |
3.9 |
150 |
Show |
|
10248+2259 |
UC 1925 |
AB |
33 |
39.0 |
150 |
Show |
|
10226+2238 |
POU3079 |
|
31 |
9.9 |
152 |
Show |
|
10200+1950 |
STF1424 |
BC |
288 |
327.4 |
154 |
Show |
Algieba |
10200+1950 |
STF1424 |
AB |
127 |
4.7 |
154 |
Show |
Algieba |
10200+1950 |
STF1424 |
AC |
288 |
341.2 |
154 |
Show |
Algieba |
10200+1950 |
STF1424 |
AD |
302 |
371.3 |
154 |
Show |
|
10192+2034 |
STF1423 |
|
308 |
0.7 |
155 |
Show |
|
10236+2254 |
CVR1287 |
|
299 |
3.0 |
156 |
Show |
|
10261+1821 |
COU 291 |
|
66 |
0.8 |
158 |
Show |
|
10200+1950 |
BAG 32 |
Ca,Cb |
24 |
0.2 |
158 |
Show |
|
10200+1950 |
STF1424 |
CD |
6 |
90.7 |
158 |
Show |
|
10200+1950 |
FYM 38 |
CE |
59 |
148.6 |
158 |
Show |
|
10200+1950 |
FYM 38 |
CF |
238 |
53.4 |
158 |
Show |
|
10192+2008 |
CVR1280 |
|
275 |
3.3 |
159 |
Show |
|
10338+2321 |
STF1447 |
|
124 |
4.6 |
162 |
Show |
|
10394+2228 |
BAR 39 |
|
289 |
1.1 |
164 |
Show |
|
10213+1859 |
TDS7209 |
|
65 |
0.7 |
166 |
Show |
|
10197+1928 |
WNO 53 |
AB |
308 |
999.9 |
167 |
Show |
|
10255+2322 |
POU3080 |
|
102 |
5.7 |
167 |
Show |
|
10401+1914 |
PER 2 |
AB |
231 |
0.4 |
169 |
Show |
|
10401+1914 |
STT 225 |
AC |
356 |
6.5 |
169 |
|
|
WDS 10301+2048 : COMPONENTS
10301+2048 A
Componente originario normalizzato |
AB |
|
Name |
HD 90915 |
|
Coord arcsec 2000 |
103006.42+204804.3 |
|
Mag |
8.32 |
|
Spectral class |
G0V (yellow) |
|
PmRA |
95.00 |
|
PmDE |
-64.0 |
|
SAO |
81385 |
|
HIP |
51419 |
|
Tycho2 |
1427-00809-1 |
|
HD |
90915 |
|
GC |
14425 |
|
BD |
BD+21 2202 |
|
Tycho2 |
1427-00809-1 |
|
Pflag |
P |
|
RAmdeg |
157.52674164 |
|
DEmdeg |
20.80120150 |
|
PmRA |
95.1 |
|
PmDE |
-63.5 |
|
E RAmdeg |
8 |
|
E DEmdeg |
10 |
|
E pmRA |
1.2 |
|
E pmDE |
1.2 |
|
EpRAm |
1991.18 |
|
EpDEm |
1990.76 |
|
Num |
6 |
|
Q RAmdeg |
2.1 |
|
Q DEmdeg |
1.5 |
|
Q pmRA |
2.2 |
|
Q pmDE |
1.6 |
|
BTmag |
8.973 |
|
E BTmag |
0.020 |
|
VTmag |
8.320 |
|
E VTmag |
0.015 |
|
Prox |
14 |
|
TYC |
T |
|
HIP |
51419 |
|
CCDM |
A |
|
RAdeg |
157.52638667 |
|
DEdeg |
20.80133444 |
|
EpRA 1990 |
1.69 |
|
EpDE 1990 |
1.56 |
|
E RAdeg |
7.7 |
|
E DEdeg |
9.6 |
|
Posflg |
D |
|
Corr |
0.1 |
|
SAO |
81385 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0074 |
|
DE1950 |
|
|
PmDE1950 |
-0.079 |
|
Vmag |
8.4 |
|
SpType |
G5 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
14425 |
|
DM |
BD+21 2202 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
90915 |
|
M HD |
0 |
|
GC |
14425 |
|
RA1950rad |
2.7374354 |
|
DE1950rad |
0.36753882 |
|
PmRA2000 |
0.0073 |
|
PmDE2000 |
-0.074 |
|
Catalog |
H |
|
HIP |
51419 |
|
Proxy |
H |
|
RAhms |
10 30 06.33 |
|
DEdms |
+20 48 04.8 |
|
Vmag |
7.76 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
157.526 |
|
DEdeg |
20.8013 |
|
AstroRef |
A |
|
Plx |
12.53 |
|
CCDM |
10301+2048 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
82 |
|
Rho |
1.419 |
|
HD |
90915 |
|
BD |
BD+21 2202 |
|
CD |
|
|
CP |
|
|
Dm number |
+21 2202 |
|
VIred |
0.66 |
|
SpType |
G0V |
|
R SpType |
|
|
Coord arcsec 2000 |
103006.33+204804.8 |
|
HIP |
51419 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
2.7493538053 |
|
DErad |
0.363051953 |
|
Plx |
13.05 |
|
PmRA |
100.78 |
|
PmDE |
-63.65 |
|
E RArad |
0.72 |
|
E DErad |
0.54 |
|
E Plx |
0.82 |
|
E pmRA |
0.93 |
|
E pmDE |
0.65 |
|
Hpmag |
7.8783 |
|
E Hpmag |
0.0012 |
|
SHp |
0.011 |
|
VA |
0 |
|
BV |
0.584 |
|
E BV |
0.096 |
|
VI |
0.63 |
|
Ccdm |
10301+2048 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
0.38 |
|
DDEs |
5.0 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
8.9 |
|
Sp |
G5 |
|
PmNote |
* |
|
PmRA |
87 |
|
PmDE |
-58 |
|
Dm number |
+21 2202 |
|
Cat1 |
BD |
|
Name2 |
+21 1130 |
|
Cat2 |
AGK2/3 |
|
HD |
90915 |
|
M HD |
|
|
ADS BDS |
A 7802 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
10246N2119A |
|
HIC |
51419 |
|
10301+2048 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
103006.51+204804.7 |
|
Mag |
8.87 |
|
PmRA |
95.00 |
|
PmDE |
-64.0 |
|
Tycho2 |
1427-00809-2 |
|
Calc delta mag |
0.55 |
|
Calc coord |
yes |
|
Tycho2 |
1427-00809-2 |
|
Pflag |
P |
|
RAmdeg |
157.52674164 |
|
DEmdeg |
20.80120150 |
|
PmRA |
95.1 |
|
PmDE |
-63.5 |
|
E RAmdeg |
8 |
|
E DEmdeg |
10 |
|
E pmRA |
1.2 |
|
E pmDE |
1.2 |
|
EpRAm |
1991.18 |
|
EpDEm |
1990.76 |
|
Num |
6 |
|
Q RAmdeg |
2.1 |
|
Q DEmdeg |
1.5 |
|
Q pmRA |
2.2 |
|
Q pmDE |
1.6 |
|
BTmag |
9.560 |
|
E BTmag |
0.027 |
|
VTmag |
8.873 |
|
E VTmag |
0.020 |
|
Prox |
14 |
|
TYC |
|
|
HIP |
51419 |
|
CCDM |
B |
|
RAdeg |
157.52680028 |
|
DEdeg |
20.80138917 |
|
EpRA 1990 |
1.69 |
|
EpDE 1990 |
1.53 |
|
E RAdeg |
11.2 |
|
E DEdeg |
14.7 |
|
Posflg |
D |
|
Corr |
0.1 |
|
Ccdm |
10301+2048 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
STF1439 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1960 |
|
Theta |
094 |
|
Rho |
1.6 |
|
Obs |
99 |
|
Vmag |
9.4 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A 7802 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
10246N2119B |
|
HIC |
51419 |
|