18197-4542 CHR 148 (HD 167954)
18h 19m 41.35s -45° 41' 55.8" P.A. 52.00 sep 0.3 mag 6.85, Sp F7V dist. 39.75 pc (129.66 l.y.)
Coord 2000 |
18197-4542 |
|
Discov num |
CHR 148 |
|
Comp |
|
|
Coord arcsec 2000 |
18 19 41.35 -45 41 55.8 |
|
Date first |
1989 |
|
Date last |
1989 |
|
Obs |
1 |
|
Pa first |
52 |
|
Pa last |
51.5 |
|
P.A. Now (θ) |
51.5° |
|
Sep first |
0.3 |
|
Sep last |
0.306 |
|
Sep. Now (ρ) |
0.306" |
|
Mag pri |
6.85 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
F7V (yellow-white) |
|
Pri motion ra |
-076 |
|
Sec motion ra |
|
|
Pri motion dec |
-143 |
|
Sec motion dec |
|
|
Notes |
N
X
O
(See Notes, Dubious double, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 167954 |
|
Constellation |
Telescopium |
|
SAO |
228906 |
|
HIP |
89808 |
|
Tycho2 |
8358-00989-1 |
|
Gaia DR2 |
6708063202046601344 |
|
HD |
167954 |
|
GC |
24981 |
|
GL |
Wo 9624 |
|
CD |
CD-4512390 |
|
CP |
CP-45 9231 |
|
Distance |
39.75 |
|
Distance ly |
129.66 |
|
ORBITAL ELEMENTS
Period (P) | 120.0074d | |
Periastron (T) | 30003.2812d (1941.022y) | |
Semi-major axis (a) | 3.95m | ± 0.7 |
Eccentricity (e) | 0.4282 | |
Inclination (i) | 85.81° | ± 16.32 |
Longitude of periastron (ω) | 134.41° | |
Node (Ω) | 188.34° | ± 15.09 |
Notes | n | |
Reference | HIP1997d | |
Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
184.1 |
0.004 |
2001-01-01 |
185.0 |
0.004 |
2002-01-01 |
185.8 |
0.005 |
2003-01-01 |
186.5 |
0.005 |
2004-01-01 |
187.1 |
0.005 |
2005-01-01 |
187.8 |
0.005 |
2006-01-01 |
188.5 |
0.005 |
2007-01-01 |
189.4 |
0.004 |
2008-01-01 |
190.7 |
0.003 |
2009-01-01 |
193.1 |
0.002 |
2010-01-01 |
204.4 |
0.001 |
2011-01-01 |
358.4 |
0.001 |
2012-01-01 |
6.4 |
0.002 |
2013-01-01 |
9.3 |
0.003 |
2014-01-01 |
11.8 |
0.002 |
2015-01-01 |
15.3 |
0.002 |
2016-01-01 |
22.6 |
0.001 |
2017-01-01 |
54.3 |
|
2018-01-01 |
153.6 |
0.001 |
2019-01-01 |
172.9 |
0.001 |
2020-01-01 |
178.5 |
0.002 |
2021-01-01 |
181.2 |
0.003 |
2022-01-01 |
182.9 |
0.003 |
2023-01-01 |
184.1 |
0.004 |
2024-01-01 |
185.0 |
0.004 |
2025-01-01 |
185.8 |
0.005 |
2026-01-01 |
186.5 |
0.005 |
2027-01-01 |
187.1 |
0.005 |
2028-01-01 |
187.8 |
0.005 |
2029-01-01 |
188.5 |
0.005 |
2030-01-01 |
189.4 |
0.004 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 18197-4542 CHR 148 (HD 167954) : NOTES
discov_num |
notes |
refcode |
CHR 148 |
HD 167954 is a SB, with P = 120d (Bopp et al. 1970 MNRAS, 147, 355). |
|
|
With rho = 0".031, the speckle pair is probably not the SB. |
McA1990 |
|
Hipparcos astrometric solution adopted some elements from the orbit of |
HIP1997d |
|
Bopp et al. (1970). |
Evn1970 |
REFERENCES
refcode |
metd |
author |
reference |
Evn1970 |
- |
Bopp, B.W., Evans, D.S., Laing, J.D., & Deeming, T.J. |
1970MNRAS.147..355B |
Evn1970 |
|
MNRAS 147, 355, 1970 |
|
HIP1997d |
orb - |
Hipparcos |
1997yCat.1239....0E |
HIP1997d |
|
Hipparcos Catalog, ESA SP-1200, 1997 |
|
HIP1997d |
|
(DMSA/O Orbital Solutions) |
|
McA1990 |
Sc j |
McAlister, H.A., Hartkopf, & Franz, O.G. |
1990AJ.....99..965M |
McA1990 |
|
AJ 99, 965, 1990 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
CHR |
Center for High Ang. Res. Astronomy (speckle interferometry systems) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18197-4542 |
CHR 148 |
|
1989 |
1 |
52 |
0.3 |
6.85 |
|
F7V |
NO |
181941.35-454155.8 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18197-4542 CHR 148 (HD 167954) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18197-4542 CHR 148 (HD 167954) : MEASURES
No records found.
WDS 18197-4542 (HD 167954) : 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 18197-4542 (HD 167954) : ALADIN DSS IMAGE @ 18h 19m 41.35s -45° 41' 55.8"
WDS 18197-4542 CHR 148 (HD 167954) : 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 |
|
18197-4542 |
CHR 148 |
|
52 |
0.3 |
|
Show |
|
18192-4521 |
I 1360 |
|
193 |
0.5 |
22 |
Show |
|
18200-4517 |
KPP1486 |
|
266 |
11.2 |
26 |
Show |
|
18202-4608 |
RST 978 |
|
216 |
4.6 |
27 |
Show |
|
18199-4514 |
B 2442 |
|
250 |
11.7 |
28 |
Show |
|
18222-4522 |
BRT1047 |
|
136 |
6.1 |
34 |
Show |
|
18229-4542 |
BRT1048 |
AB |
202 |
2.8 |
35 |
Show |
|
18199-4506 |
CPO 581 |
|
185 |
3.5 |
37 |
Show |
|
18162-4601 |
HJ 5034 |
|
100 |
2.4 |
42 |
Show |
|
18197-4627 |
TDT 797 |
|
230 |
2.4 |
46 |
Show |
|
18240-4544 |
NSN 485 |
|
109 |
1.8 |
46 |
Show |
|
18197-4628 |
B 1886 |
|
286 |
0.9 |
47 |
Show |
|
18202-4454 |
BRT1044 |
|
143 |
3.9 |
49 |
Show |
|
18166-4502 |
BRT1039 |
|
121 |
3.6 |
53 |
Show |
|
18248-4556 |
HJ 5042 |
|
176 |
16.0 |
56 |
Show |
|
18229-4456 |
BRT1049 |
|
121 |
4.2 |
58 |
Show |
|
18232-4629 |
CPO 584 |
|
246 |
5.1 |
60 |
Show |
|
18183-4444 |
BRT1041 |
|
175 |
3.5 |
61 |
Show |
|
18260-4541 |
LDS 638 |
|
259 |
14.6 |
66 |
Show |
|
18164-4638 |
SWR 241 |
|
283 |
8.1 |
66 |
Show |
|
18220-4437 |
CPO9264 |
|
179 |
5.8 |
69 |
Show |
|
18146-4625 |
CPO 578 |
|
261 |
5.7 |
70 |
Show |
|
18203-4654 |
RST 977 |
|
96 |
1.8 |
72 |
Show |
|
18145-4629 |
CPO 577 |
|
200 |
5.6 |
72 |
Show |
|
18176-4433 |
SKF1146 |
|
152 |
40.8 |
73 |
Show |
|
18174-4434 |
SKF1021 |
|
11 |
46.2 |
73 |
Show |
|
18222-4434 |
CPO9265 |
|
204 |
4.9 |
73 |
Show |
|
18127-4542 |
B 2433 |
|
10 |
15.6 |
74 |
Show |
|
18195-4428 |
CPO 580 |
|
51 |
3.3 |
75 |
Show |
|
18225-4652 |
CPO 583 |
|
205 |
5.6 |
76 |
Show |
|
18124-4531 |
CPO 575 |
|
30 |
4.1 |
78 |
Show |
|
18124-4532 |
CPO 576 |
|
208 |
6.0 |
78 |
Show |
|
18270-4558 |
WFC 207 |
|
41 |
115.9 |
78 |
Show |
|
18153-4650 |
B 1882 |
|
228 |
1.4 |
82 |
Show |
|
18120-4600 |
ALD 91 |
|
255 |
1.7 |
83 |
Show |
|
18261-4633 |
BRT1052 |
AB |
72 |
3.5 |
84 |
Show |
|
18213-4416 |
BRT1046 |
|
311 |
5.1 |
88 |
Show |
|
18205-4711 |
CPO9263 |
|
258 |
4.0 |
90 |
Show |
|
18112-4557 |
HDO 286 |
|
230 |
16.4 |
90 |
Show |
|
18278-4507 |
BRT1057 |
|
44 |
7.2 |
92 |
Show |
|
18218-4413 |
I 1363 |
|
297 |
0.8 |
92 |
Show |
|
18117-4500 |
CPO 574 |
AC |
189 |
3.9 |
94 |
Show |
|
18117-4500 |
CPO 574 |
BC |
57 |
7.5 |
94 |
Show |
|
18158-4707 |
BRT1038 |
|
82 |
5.8 |
95 |
Show |
|
18136-4430 |
I 1355 |
|
221 |
0.4 |
97 |
Show |
|
18210-4407 |
TDT 813 |
|
145 |
2.1 |
97 |
Show |
|
18210-4406 |
DON 890 |
|
235 |
0.9 |
97 |
Show |
|
18290-4541 |
SKF1084 |
|
251 |
13.9 |
98 |
Show |
|
18259-4659 |
UC 3579 |
|
18 |
35.1 |
101 |
Show |
|
18243-4407 |
DUN 221 |
|
162 |
74.0 |
108 |
Show |
|
18200-4354 |
HDS2591 |
|
27 |
0.3 |
108 |
|
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WDS 18197-4542 : COMPONENTS
18197-4542 A
Componente originario normalizzato |
AB |
|
Name |
HD 167954 |
|
Coord arcsec 2000 |
181941.35-454155.8 |
|
Mag |
6.85 |
|
Spectral class |
F7V (yellow-white) |
|
PmRA |
-76.00 |
|
PmDE |
-143.0 |
|
SAO |
228906 |
|
HIP |
89808 |
|
Tycho2 |
8358-00989-1 |
|
HD |
167954 |
|
GC |
24981 |
|
CD |
CD-4512390 |
|
CP |
CP-45 9231 |
|
Tycho2 |
8358-00989-1 |
|
Pflag |
|
|
RAmdeg |
274.92202995 |
|
DEmdeg |
-45.69915501 |
|
PmRA |
-76.9 |
|
PmDE |
-136.9 |
|
E RAmdeg |
4 |
|
E DEmdeg |
5 |
|
E pmRA |
1.0 |
|
E pmDE |
1.0 |
|
EpRAm |
1991.36 |
|
EpDEm |
1991.18 |
|
Num |
11 |
|
Q RAmdeg |
1.2 |
|
Q DEmdeg |
1.4 |
|
Q pmRA |
1.3 |
|
Q pmDE |
1.4 |
|
BTmag |
7.483 |
|
E BTmag |
0.015 |
|
VTmag |
6.893 |
|
E VTmag |
0.010 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
89808 |
|
CCDM |
|
|
RAdeg |
274.92228278 |
|
DEdeg |
-45.69884083 |
|
EpRA 1990 |
1.72 |
|
EpDE 1990 |
1.74 |
|
E RAdeg |
4.0 |
|
E DEdeg |
4.5 |
|
Posflg |
|
|
Corr |
-0.1 |
|
SAO |
228906 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0052 |
|
DE1950 |
|
|
PmDE1950 |
-0.11 |
|
Vmag |
7 |
|
SpType |
F8 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
24981 |
|
DM |
CD-4512390 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
167954 |
|
M HD |
0 |
|
GC |
24981 |
|
RA1950rad |
4.78217761 |
|
DE1950rad |
-0.79793943 |
|
PmRA2000 |
-0.0052 |
|
PmDE2000 |
-0.112 |
|
Catalog |
H |
|
HIP |
89808 |
|
Proxy |
|
|
RAhms |
18 19 41.35 |
|
DEdms |
-45 41 55.8 |
|
Vmag |
6.84 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
274.922 |
|
DEdeg |
-45.6988 |
|
AstroRef |
+ |
|
Plx |
26.41 |
|
CCDM |
|
|
N CCDM |
|
|
Nsys |
|
|
Ncomp |
1 |
|
MultFlag |
O |
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
167954 |
|
BD |
|
|
CD |
CD-4512390 |
|
CP |
CP-45 9231 |
|
Dm number |
-4512390 |
|
VIred |
0.61 |
|
SpType |
F7V |
|
R SpType |
|
|
Coord arcsec 2000 |
181941.35-454155.8 |
|
HIP |
89808 |
|
Sn |
75 |
|
So |
4 |
|
Nc |
1 |
|
RArad |
4.7982993402 |
|
DErad |
-0.7975949165 |
|
Plx |
25.16 |
|
PmRA |
-78.93 |
|
PmDE |
-136.01 |
|
E RArad |
0.58 |
|
E DErad |
0.39 |
|
E Plx |
0.67 |
|
E pmRA |
0.7 |
|
E pmDE |
0.42 |
|
Hpmag |
6.9628 |
|
E Hpmag |
0.0011 |
|
SHp |
0.009 |
|
VA |
0 |
|
BV |
0.533 |
|
E BV |
0.002 |
|
VI |
0.61 |
|
Ccdm |
18197-4542 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-0.68 |
|
DDEs |
3.0 |
|
R dRAs |
81 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
|
|
Sp |
|
|
PmNote |
@ |
|
PmRA |
-72 |
|
PmDE |
-137 |
|
Dm number |
-4512390 |
|
Cat1 |
CD |
|
Name2 |
228906 |
|
Cat2 |
SAO |
|
HD |
167954 |
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
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N IDS |
W |
|
IDS |
18197-4542A |
|
HIC |
89808 |
|
18197-4542 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
181941.37-454155.6 |
|
Calc delta mag |
6.85 |
|
Calc coord |
yes |
|
Ccdm |
18197-4542 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
CHR 148 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1989 |
|
Theta |
52 |
|
Rho |
0.3 |
|
Obs |
1 |
|
Vmag |
|
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
W |
|
IDS |
18197-4542B |
|
HIC |
89808 |
|