11297-0619 A 7 (HD 99917)
11h 29m 43.17s -06° 18' 31.3" P.A. 134.00 sep 0.2 mag 9.70,9.70 Sp F8
Coord 2000 |
11297-0619 |
|
Discov num |
A 7 |
|
Comp |
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|
Coord arcsec 2000 |
11 29 43.17 -06 18 31.3 |
|
Date first |
1899 |
|
Date last |
2018 |
|
Obs |
20 |
|
Pa first |
264 |
|
Pa last |
134.1 |
|
P.A. Now (θ) |
134.1° |
|
Sep first |
0.5 |
|
Sep last |
0.165 |
|
Sep. Now (ρ) |
0.165" |
|
Mag pri |
9.70 |
|
Mag sec |
9.70 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
F8 (yellow-white) |
|
Pri motion ra |
-014 |
|
Sec motion ra |
|
|
Pri motion dec |
-012 |
|
Sec motion dec |
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|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 99917 |
|
Constellation |
Leo |
|
SAO |
138235 |
|
Tycho2 |
4929-01083-1 |
|
Gaia DR2 |
3785426983187269632 |
|
HD |
99917 |
|
ADS |
8182 |
|
ORBITAL ELEMENTS
Period (P) | 204.32y | ± 11.2 |
Periastron (T) | 2050.54y | ± 19.37 |
Semi-major axis (a) | 0.447a | ± 0.077 |
Eccentricity (e) | 0.656 | ± 0.017 |
Inclination (i) | 105.1° | ± 5.8 |
Longitude of periastron (ω) | 59.8° | ± 13.4 |
Node (Ω) | 93.3° | ± 4.9 |
Notes | | |
Reference | Tok2015c | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
188.6 |
0.157 |
2001 |
185.8 |
0.155 |
2002 |
182.8 |
0.153 |
2003 |
179.9 |
0.152 |
2004 |
176.8 |
0.151 |
2005 |
173.8 |
0.150 |
2006 |
170.7 |
0.150 |
2007 |
167.6 |
0.150 |
2008 |
164.5 |
0.150 |
2009 |
161.5 |
0.151 |
2010 |
158.5 |
0.152 |
2011 |
155.5 |
0.154 |
2012 |
152.6 |
0.156 |
2013 |
149.8 |
0.158 |
2014 |
147.0 |
0.160 |
2015 |
144.4 |
0.163 |
2016 |
141.8 |
0.165 |
2017 |
139.3 |
0.168 |
2018 |
136.9 |
0.172 |
2019 |
134.6 |
0.175 |
2020 |
132.4 |
0.179 |
2021 |
130.3 |
0.182 |
2022 |
128.2 |
0.186 |
2023 |
126.3 |
0.190 |
2024 |
124.4 |
0.193 |
2025 |
122.6 |
0.197 |
2026 |
120.8 |
0.201 |
2027 |
119.1 |
0.204 |
2028 |
117.5 |
0.207 |
2029 |
115.9 |
0.211 |
2030 |
114.4 |
0.214 |
|
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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 |
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WDS 11297-0619 A 7 (HD 99917) : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Tok2015c |
orb+j |
Tokovinin, A., Mason, B.D., Hartkopf, W.I., Mendez, R.A., & Horch, E.P. |
2015AJ....150...50T |
Tok2015c |
+St |
AJ 150, 50, 2015 (some measures corrected in Tok2017b) |
2017AJ....154..110T |
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 |
11297-0619 |
A 7 |
|
1995 |
18 |
202 |
0.2 |
9.70 |
9.70 |
F8 |
O |
112943.17-061831.3 |
11297-0619 |
A 7 |
|
2014 |
19 |
146 |
0.2 |
9.70 |
9.70 |
F8 |
O |
112943.17-061831.3 |
11297-0619 |
A 7 |
|
2018 |
20 |
134 |
0.2 |
9.70 |
9.70 |
F8 |
O |
112943.17-061831.3 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 11297-0619 A 7 (HD 99917) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 11297-0619 A 7 (HD 99917) : MEASURES
No records found.
WDS 11297-0619 (HD 99917) : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
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WDS 11297-0619 (HD 99917) : ALADIN DSS IMAGE @ 11h 29m 43.17s -06° 18' 31.3"
WDS 11297-0619 A 7 (HD 99917) : NEIGHBORHOODS
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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 |
|
11297-0619 |
A 7 |
|
134 |
0.2 |
1 |
Show |
|
11284-0640 |
CVR1367 |
|
175 |
3.7 |
30 |
Show |
|
11309-0643 |
STF3072 |
|
331 |
10.0 |
30 |
Show |
|
11286-0652 |
BRT 434 |
|
29 |
4.7 |
38 |
Show |
|
11263-0636 |
GWP1586 |
|
65 |
33.5 |
54 |
Show |
|
11317-0529 |
GWP1600 |
|
277 |
121.9 |
58 |
Show |
|
11313-0522 |
CVR 617 |
|
106 |
11.1 |
62 |
Show |
|
11269-0532 |
KPP 638 |
|
43 |
5.8 |
64 |
Show |
|
11325-0524 |
A 71 |
|
240 |
2.3 |
69 |
Show |
|
11349-0601 |
UC 2168 |
|
143 |
27.3 |
80 |
Show |
|
11299-0458 |
HJ 2573 |
|
19 |
7.9 |
82 |
Show |
|
11333-0721 |
GWP1605 |
|
168 |
19.5 |
83 |
Show |
|
11244-0555 |
TOK 141 |
AB |
190 |
17.4 |
84 |
Show |
|
11244-0555 |
DEA 47 |
AC |
44 |
37.2 |
84 |
Show |
|
11326-0506 |
RST4482 |
|
36 |
1.3 |
85 |
Show |
|
11347-0535 |
A 72 |
|
199 |
2.2 |
86 |
Show |
|
11315-0740 |
GWP1599 |
|
77 |
24.3 |
86 |
Show |
|
11250-0709 |
GWP1581 |
|
297 |
12.1 |
87 |
Show |
|
11271-0736 |
SLW 601 |
|
355 |
105.1 |
88 |
Show |
|
11260-0449 |
GWP1585 |
|
205 |
22.2 |
106 |
Show |
|
11292-0427 |
A 70 |
|
349 |
4.6 |
112 |
Show |
|
11255-0751 |
A 137 |
|
99 |
0.5 |
112 |
Show |
|
11308-0427 |
GWP1597 |
|
314 |
12.6 |
113 |
Show |
|
11238-0728 |
LDS4094 |
|
306 |
15.6 |
114 |
Show |
|
11359-0503 |
A 73 |
|
322 |
0.6 |
120 |
Show |
|
11228-0726 |
AHD 21 |
|
38 |
11.8 |
124 |
Show |
|
11324-0821 |
SKF 37 |
|
119 |
6.9 |
130 |
Show |
|
11334-0420 |
GWP1606 |
|
35 |
98.9 |
131 |
Show |
|
11270-0824 |
GWP1587 |
|
287 |
93.4 |
133 |
Show |
|
11237-0442 |
RST4475 |
|
131 |
0.6 |
133 |
Show |
|
11281-0829 |
KPP 657 |
|
272 |
5.9 |
133 |
Show |
|
11251-0425 |
GWP1583 |
|
344 |
34.1 |
134 |
Show |
|
11213-0527 |
KPP2064 |
|
151 |
16.6 |
136 |
Show |
|
11245-0423 |
STF3070 |
AB |
277 |
8.8 |
140 |
Show |
|
11209-0518 |
GWP1574 |
|
357 |
12.7 |
145 |
Show |
|
11317-0845 |
CBL 343 |
|
184 |
25.6 |
150 |
Show |
|
11248-0829 |
TDS7844 |
|
320 |
16.0 |
151 |
Show |
|
11197-0654 |
STF1530 |
AB |
313 |
7.6 |
153 |
Show |
|
11336-0841 |
LDS4116 |
AB |
262 |
4.4 |
154 |
Show |
|
11294-0343 |
A 6 |
AB |
56 |
2.5 |
156 |
Show |
|
11370-0427 |
GWP1625 |
|
16 |
41.1 |
156 |
Show |
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11273-0852 |
A 138 |
|
217 |
1.9 |
158 |
Show |
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11404-0606 |
ROE 73 |
AB |
1 |
3.5 |
161 |
Show |
|
11404-0606 |
ROE 73 |
AC |
57 |
84.9 |
161 |
Show |
|
11404-0606 |
ROE 73 |
AD |
107 |
114.3 |
161 |
Show |
|
11231-0403 |
RST4474 |
|
63 |
1.4 |
169 |
Show |
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11273-0333 |
RST4478 |
|
148 |
0.4 |
170 |
Show |
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11321-0332 |
RST4480 |
BC |
315 |
0.5 |
171 |
Show |
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11321-0332 |
STF1548 |
A,BC |
127 |
10.9 |
171 |
Show |
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11314-0329 |
SLW 612 |
|
286 |
37.2 |
171 |
Show |
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11194-0734 |
A 136 |
|
285 |
1.1 |
172 |
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WDS 11297-0619 : COMPONENTS
11297-0619 A
Componente originario normalizzato |
AB |
|
Name |
HD 99917 |
|
Coord arcsec 2000 |
112943.17-061831.3 |
|
Mag |
9.7 |
|
Spectral class |
F8 (yellow-white) |
|
PmRA |
-14.00 |
|
PmDE |
-12.0 |
|
SAO |
138235 |
|
Tycho2 |
4929-01083-1 |
|
HD |
99917 |
|
DM |
BD-05 3300 |
|
Tycho2 |
4929-01083-1 |
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Pflag |
|
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RAmdeg |
172.42991442 |
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DEmdeg |
-6.30870677 |
|
PmRA |
-11.5 |
|
PmDE |
-13.6 |
|
E RAmdeg |
15 |
|
E DEmdeg |
16 |
|
E pmRA |
1.3 |
|
E pmDE |
1.4 |
|
EpRAm |
1987.48 |
|
EpDEm |
1987.62 |
|
Num |
8 |
|
Q RAmdeg |
0.4 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
0.4 |
|
Q pmDE |
1.0 |
|
BTmag |
9.756 |
|
E BTmag |
0.032 |
|
VTmag |
9.142 |
|
E VTmag |
0.026 |
|
Prox |
999 |
|
TYC |
T |
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HIP |
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CCDM |
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RAdeg |
172.42994083 |
|
DEdeg |
-6.30867556 |
|
EpRA 1990 |
1.66 |
|
EpDE 1990 |
1.65 |
|
E RAdeg |
16.8 |
|
E DEdeg |
18.1 |
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Posflg |
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Corr |
0.3 |
|
SAO |
138235 |
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DelFlag |
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RA1950 |
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PmRA1950 |
-0.0022 |
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DE1950 |
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PmDE1950 |
-0.02 |
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Vmag |
8.7 |
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SpType |
F8 |
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Double code |
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Source |
27 |
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CatNum |
4323 |
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DM |
BD-05 3300 |
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DMcomp |
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BDsup |
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HD |
99917 |
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M HD |
0 |
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GC |
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RA1950rad |
2.99836068 |
|
DE1950rad |
-0.10529371 |
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PmRA2000 |
-0.0019 |
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PmDE2000 |
-0.015 |
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Ccdm |
11297-0619 |
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RComp |
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Comp |
A |
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Note1 |
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Note2 |
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Discov num |
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DRAs |
1.04 |
|
DDEs |
27.9 |
|
R dRAs |
10 |
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Year |
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Theta |
|
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Rho |
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Obs |
2 |
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Vmag |
9.7 |
|
Sp |
F8 |
|
PmNote |
* |
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PmRA |
-33 |
|
PmDE |
-20 |
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Dm number |
-05 3300 |
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Cat1 |
BD |
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Name2 |
138235 |
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Cat2 |
SAO |
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HD |
99917 |
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M HD |
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ADS BDS |
A 8182 |
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M ADS BDS |
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N IDS |
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IDS |
11246S0545A |
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HIC |
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11297-0619 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
112943.18-061831.4 |
|
Mag |
9.7 |
|
Calc coord |
yes |
|
Ccdm |
11297-0619 |
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RComp |
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Comp |
B |
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Note1 |
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Note2 |
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Discov num |
A 7 |
|
DRAs |
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DDEs |
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R dRAs |
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Year |
1958 |
|
Theta |
250 |
|
Rho |
0.3 |
|
Obs |
10 |
|
Vmag |
9.7 |
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Sp |
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PmNote |
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PmRA |
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PmDE |
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Dm number |
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Cat1 |
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Name2 |
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Cat2 |
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HD |
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M HD |
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ADS BDS |
A 8182 |
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M ADS BDS |
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N IDS |
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IDS |
11246S0545B |
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HIC |
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