16198+2647 A 225 (HD 147251)
16h 19m 49.63s +26° 46' 38.7" P.A. 101.00 sep 0.1 mag 10.04,9.79 Sp G5 dist. 129.37 pc (422 l.y.)
Coord 2000 |
16198+2647 |
|
Discov num |
A 225 |
|
Comp |
|
|
Coord arcsec 2000 |
16 19 49.63 +26 46 38.7 |
|
Date first |
1901 |
|
Date last |
2007 |
|
Obs |
35 |
|
Pa first |
107 |
|
Pa last |
100.8 |
|
P.A. Now (θ) |
122.6° |
|
Sep first |
0.2 |
|
Sep last |
0.053 |
|
Sep. Now (ρ) |
0.182" |
|
Mag pri |
10.04 |
|
Mag sec |
9.79 |
|
delta mag (ΔM) |
0.25 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
-021 |
|
Sec motion ra |
|
|
Pri motion dec |
-097 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 147251 |
|
Constellation |
Corona Borealis |
|
SAO |
84305 |
|
HIP |
79999 |
|
Tycho2 |
2051-00593-1 |
|
Gaia DR2 |
1303718222983012480 |
|
HD |
147251 |
|
ADS |
10007 |
|
BD |
BD+27 2622 |
|
Distance |
129.37 |
|
Distance ly |
422 |
|
ORBITAL ELEMENTS
Period (P) | 43.34y | ± 1.68 |
Periastron (T) | 2005.9y | ± 0.54 |
Semi-major axis (a) | 0.129a | ± 0.003 |
Eccentricity (e) | 0.489 | ± 0.038 |
Inclination (i) | 114.4° | ± 1 |
Longitude of periastron (ω) | 183.1° | ± 2.3 |
Node (Ω) | 117.5° | ± 1 |
Notes | n | |
Reference | Doc2008a | |
Equinox | 2000 | |
Last observation | 2005 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
57.5 |
0.053 |
2001 |
35.2 |
0.043 |
2002 |
5.9 |
0.041 |
2003 |
339.2 |
0.047 |
2004 |
320.3 |
0.056 |
2005 |
306.7 |
0.064 |
2006 |
295.1 |
0.066 |
2007 |
282.6 |
0.060 |
2008 |
266.0 |
0.050 |
2009 |
240.9 |
0.041 |
2010 |
208.4 |
0.039 |
2011 |
181.1 |
0.048 |
2012 |
164.0 |
0.062 |
2013 |
153.4 |
0.077 |
2014 |
146.4 |
0.092 |
2015 |
141.4 |
0.107 |
2016 |
137.5 |
0.120 |
2017 |
134.4 |
0.133 |
2018 |
131.8 |
0.144 |
2019 |
129.5 |
0.154 |
2020 |
127.6 |
0.163 |
2021 |
125.8 |
0.171 |
2022 |
124.1 |
0.177 |
2023 |
122.6 |
0.182 |
2024 |
121.1 |
0.186 |
2025 |
119.7 |
0.189 |
2026 |
118.3 |
0.191 |
2027 |
117.0 |
0.192 |
2028 |
115.6 |
0.192 |
2029 |
114.3 |
0.190 |
2030 |
112.9 |
0.187 |
|
|
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 16198+2647 A 225 (HD 147251) : NOTES
discov_num |
notes |
refcode |
A 225 |
Systemic mass is estimated at 2.6 +/- 1.3 Msun, assuming an Hipparcos |
|
|
parallax of 7.65 +/- 1.26 mas. According to Heintz (1982), the |
Hei1982c |
|
computed dynamical mass suggests an evolved pair. |
Doc2008a |
|
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic |
|
|
masses of 2.47 +/- 1.14, 2.36, and 0.95 Msun, respectively. |
Mlk2012 |
REFERENCES
refcode |
metd |
author |
reference |
Doc2008a |
S j |
Docobo, J.A., Tamazian, V.S., Andrade, M., Ling, J.F., Balega, Y.Y., |
2008AJ....135.1803D |
Doc2008a |
+orb |
Lahulla, J.F., & Maximov, A. |
|
Doc2008a |
|
AJ 135, 1803, 2008 |
|
Hei1982c |
orb - |
Heintz, W.D. |
1982A&AS...47..569H |
Hei1982c |
|
A&AS 47, 569, 1982 |
|
Mlk2012 |
not - |
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. |
2012A&A...546A..69M |
Mlk2012 |
|
A&A 546, A69, 2012 |
|
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 |
16198+2647 |
A 225 |
|
2005 |
34 |
301 |
0.1 |
10.04 |
9.79 |
G5 |
NOD |
161949.63+264638.7 |
16198+2647 |
A 225 |
|
2007 |
35 |
101 |
0.1 |
10.04 |
9.79 |
G5 |
NOD |
161949.63+264638.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 16198+2647 A 225 (HD 147251) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 16198+2647 A 225 (HD 147251) : MEASURES
No records found.
WDS 16198+2647 (HD 147251) : 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 16198+2647 (HD 147251) : ALADIN DSS IMAGE @ 16h 19m 49.63s +26° 46' 38.7"
WDS 16198+2647 A 225 (HD 147251) : 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 |
|
16198+2647 |
A 225 |
|
101 |
0.1 |
|
Show |
|
16213+2653 |
GOM 29 |
|
160 |
239.5 |
22 |
Show |
|
16194+2708 |
TDS9838 |
|
238 |
0.5 |
23 |
Show |
|
16199+2728 |
TDS9841 |
|
350 |
2.6 |
41 |
Show |
|
16226+2624 |
BRT3311 |
|
217 |
4.8 |
44 |
Show |
|
16192+2553 |
COU 412 |
AB |
83 |
0.9 |
55 |
Show |
|
16192+2553 |
GII 231 |
Aa,Ab |
292 |
0.4 |
55 |
Show |
|
16181+2551 |
STF2035 |
|
36 |
2.7 |
60 |
Show |
|
16215+2744 |
AZC 98 |
|
161 |
38.4 |
63 |
Show |
|
16243+2614 |
FYM 645 |
AB |
128 |
9.8 |
71 |
Show |
|
16243+2614 |
FYM 645 |
AC |
238 |
9.4 |
71 |
Show |
|
16257+2657 |
GIC 140 |
|
308 |
80.5 |
78 |
Show |
|
16255+2705 |
CVR 820 |
|
281 |
18.8 |
79 |
Show |
|
16257+2704 |
KPP3999 |
|
295 |
5.8 |
81 |
Show |
|
16253+2603 |
TDS9888 |
|
8 |
0.6 |
86 |
Show |
|
16255+2602 |
RAO 347 |
|
55 |
0.3 |
89 |
Show |
|
16136+2618 |
RAO 346 |
|
299 |
0.8 |
90 |
Show |
|
16144+2740 |
AZC 96 |
|
40 |
38.3 |
90 |
Show |
|
16128+2640 |
STF2022 |
|
153 |
2.5 |
95 |
Show |
|
16149+2757 |
KPP2394 |
|
171 |
20.6 |
97 |
Show |
|
16268+2622 |
UC 218 |
|
312 |
13.2 |
97 |
Show |
|
16126+2623 |
COU 485 |
|
330 |
0.8 |
100 |
Show |
|
16123+2657 |
GRV 926 |
|
44 |
24.8 |
101 |
Show |
|
16273+2653 |
A 226 |
AB |
94 |
1.0 |
101 |
Show |
|
16273+2653 |
GII 234 |
Aa,Ab |
132 |
0.1 |
101 |
Show |
|
16124+2626 |
HO 551 |
|
80 |
7.1 |
102 |
Show |
|
16239+2814 |
COU 486 |
|
220 |
0.5 |
103 |
Show |
|
16122+2629 |
TDS9793 |
|
350 |
0.4 |
104 |
Show |
|
16214+2502 |
TDS9856 |
|
18 |
0.5 |
108 |
Show |
|
16218+2501 |
SLW1174 |
|
335 |
138.5 |
109 |
Show |
|
16221+2832 |
RAO 667 |
|
78 |
0.5 |
110 |
Show |
|
16280+2632 |
BU 813 |
|
178 |
1.1 |
110 |
Show |
|
16279+2559 |
STF2049 |
|
194 |
1.1 |
119 |
Show |
|
16262+2816 |
COU 487 |
|
201 |
0.7 |
124 |
Show |
|
16223+2445 |
STF2039 |
|
344 |
11.6 |
127 |
Show |
|
16280+2544 |
SLW1180 |
|
74 |
10.5 |
127 |
Show |
|
16236+2449 |
UC 3161 |
|
210 |
55.8 |
128 |
Show |
|
16107+2610 |
TDS9784 |
|
220 |
0.5 |
128 |
Show |
|
16179+2441 |
POU3220 |
|
179 |
11.5 |
129 |
Show |
|
16295+2632 |
SLW1182 |
|
206 |
18.2 |
131 |
Show |
|
16096+2658 |
HDS2282 |
|
53 |
0.4 |
138 |
Show |
|
16236+2438 |
CLZ 67 |
|
169 |
136.5 |
139 |
Show |
|
16281+2521 |
KPP2333 |
|
108 |
19.9 |
141 |
Show |
|
16119+2514 |
UC 3133 |
|
121 |
37.6 |
142 |
Show |
|
16138+2844 |
STF2029 |
|
187 |
6.0 |
142 |
Show |
|
16135+2844 |
CBL 62 |
AB |
252 |
26.2 |
145 |
Show |
|
16135+2844 |
KPP4387 |
AC |
335 |
8.3 |
145 |
Show |
|
16135+2844 |
KPP4387 |
BC |
58 |
26.3 |
145 |
Show |
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16278+2506 |
COU 413 |
|
321 |
4.6 |
148 |
Show |
|
16167+2909 |
SHJ 223 |
AB |
23 |
53.8 |
149 |
Show |
|
16167+2909 |
SHJ 223 |
AC |
21 |
87.5 |
149 |
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WDS 16198+2647 : COMPONENTS
16198+2647 A
Componente originario normalizzato |
AB |
|
Name |
HD 147251 |
|
Coord arcsec 2000 |
161949.63+264638.7 |
|
Mag |
10.04 |
|
Spectral class |
G5 (yellow) |
|
PmRA |
-21.00 |
|
PmDE |
-97.0 |
|
SAO |
84305 |
|
HIP |
79999 |
|
HD |
147251 |
|
BD |
BD+27 2622 |
|
SAO |
84305 |
|
DelFlag |
|
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RA1950 |
|
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PmRA1950 |
-0.0017 |
|
DE1950 |
|
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PmDE1950 |
-0.103 |
|
Vmag |
8.9 |
|
SpType |
G5 |
|
Double code |
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Source |
34 |
|
CatNum |
7592 |
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DM |
BD+27 2622 |
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DMcomp |
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BDsup |
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HD |
147251 |
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M HD |
0 |
|
GC |
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RA1950rad |
4.26634729 |
|
DE1950rad |
0.46944737 |
|
PmRA2000 |
-0.0015 |
|
PmDE2000 |
-0.101 |
|
Catalog |
H |
|
HIP |
79999 |
|
Proxy |
H |
|
RAhms |
16 19 49.63 |
|
DEdms |
+26 46 38.7 |
|
Vmag |
9.02 |
|
VarFlag |
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R Vmag |
H |
|
RAdeg |
244.957 |
|
DEdeg |
26.7774 |
|
AstroRef |
* |
|
Plx |
7.64 |
|
CCDM |
16198+2647 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
S |
|
Qual |
A |
|
M HIP |
BA |
|
Theta |
283 |
|
Rho |
0.175 |
|
HD |
147251 |
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BD |
BD+27 2622 |
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CD |
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CP |
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Dm number |
+27 2622 |
|
VIred |
0.64 |
|
SpType |
G5 |
|
R SpType |
|
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Coord arcsec 2000 |
161949.63+264638.7 |
|
HIP |
79999 |
|
Sn |
55 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
4.2753027705 |
|
DErad |
0.4673539664 |
|
Plx |
7.73 |
|
PmRA |
-18.62 |
|
PmDE |
-94.16 |
|
E RArad |
0.56 |
|
E DErad |
0.79 |
|
E Plx |
1.16 |
|
E pmRA |
0.76 |
|
E pmDE |
0.83 |
|
Hpmag |
9.156 |
|
E Hpmag |
0.0013 |
|
SHp |
0.023 |
|
VA |
0 |
|
BV |
0.625 |
|
E BV |
0.015 |
|
VI |
0.69 |
|
Ccdm |
16198+2647 |
|
RComp |
|
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Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
1.61 |
|
DDEs |
-22.5 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
9.9 |
|
Sp |
G5 |
|
PmNote |
* |
|
PmRA |
-24 |
|
PmDE |
-96 |
|
Dm number |
+27 2622 |
|
Cat1 |
BD |
|
Name2 |
+26 1574 |
|
Cat2 |
AGK2/3 |
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HD |
147251 |
|
M HD |
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ADS BDS |
A10007 |
|
M ADS BDS |
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N IDS |
|
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IDS |
16157N2701A |
|
HIC |
79999 |
|
16198+2647 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
161949.63+264638.7 |
|
Mag |
9.79 |
|
Tycho2 |
2051-00593-1 |
|
Calc delta mag |
0.25 |
|
Calc coord |
yes |
|
Tycho2 |
2051-00593-1 |
|
Pflag |
|
|
RAmdeg |
244.95674548 |
|
DEmdeg |
26.77718301 |
|
PmRA |
-23.3 |
|
PmDE |
-92.5 |
|
E RAmdeg |
8 |
|
E DEmdeg |
7 |
|
E pmRA |
1.2 |
|
E pmDE |
1.1 |
|
EpRAm |
1990.93 |
|
EpDEm |
1991.03 |
|
Num |
10 |
|
Q RAmdeg |
1.2 |
|
Q DEmdeg |
0.7 |
|
Q pmRA |
1.2 |
|
Q pmDE |
0.7 |
|
BTmag |
9.744 |
|
E BTmag |
0.018 |
|
VTmag |
9.079 |
|
E VTmag |
0.013 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
79999 |
|
CCDM |
AB |
|
RAdeg |
244.95680611 |
|
DEdeg |
26.77739556 |
|
EpRA 1990 |
1.61 |
|
EpDE 1990 |
1.74 |
|
E RAdeg |
8.1 |
|
E DEdeg |
6.6 |
|
Posflg |
P |
|
Corr |
-0.2 |
|
Ccdm |
16198+2647 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
* |
|
Note2 |
|
|
Discov num |
A 225 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1954 |
|
Theta |
110 |
|
Rho |
0.1 |
|
Obs |
14 |
|
Vmag |
9.9 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
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|
Name2 |
|
|
Cat2 |
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|
HD |
|
|
M HD |
|
|
ADS BDS |
A10007 |
|
M ADS BDS |
N |
|
N IDS |
|
|
IDS |
16157N2701B |
|
HIC |
79999 |
|