17400-0038 BU 631 (HD 160438)
17h 39m 57.70s -00° 38' 21.2" P.A. 81.00 sep 0.3 mag 7.23,7.40 Sp B9IV dist. 245.7 pc (801.47 l.y.)
Coord 2000 |
17400-0038 |
|
Discov num |
BU 631 |
|
Comp |
|
|
Coord arcsec 2000 |
17 39 57.70 -00 38 21.2 |
|
Date first |
1878 |
|
Date last |
2018 |
|
Obs |
127 |
|
Pa first |
70 |
|
Pa last |
80.8 |
|
P.A. Now (θ) |
74.6° |
|
Sep first |
0.4 |
|
Sep last |
0.306 |
|
Sep. Now (ρ) |
0.335" |
|
Mag pri |
7.23 |
|
Mag sec |
7.40 |
|
delta mag (ΔM) |
0.17 |
|
Spectral class |
B9IV (blue-white) |
|
Pri motion ra |
-008 |
|
Sec motion ra |
|
|
Pri motion dec |
-016 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 160438 |
|
Constellation |
Ophiuchus |
|
SAO |
141795 |
|
HIP |
86463 |
|
Tycho2 |
5081-02482-1 |
|
HD |
160438 |
|
GC |
23947 |
|
ADS |
10696 |
|
BD |
BD-00 3338 |
|
Distance |
245.7 |
|
Distance ly |
801.47 |
|
ORBITAL ELEMENTS
Period (P) | 147.5y | |
Periastron (T) | 1978.3y | |
Semi-major axis (a) | 0.217a | |
Eccentricity (e) | 0.78 | |
Inclination (i) | 162.5° | |
Longitude of periastron (ω) | 146° | |
Node (Ω) | 26.8° | |
Notes | n | |
Reference | Hei1996a | |
Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
94.2 |
0.229 |
2001 |
93.0 |
0.235 |
2002 |
91.8 |
0.241 |
2003 |
90.6 |
0.247 |
2004 |
89.5 |
0.253 |
2005 |
88.5 |
0.259 |
2006 |
87.5 |
0.264 |
2007 |
86.5 |
0.269 |
2008 |
85.6 |
0.275 |
2009 |
84.7 |
0.280 |
2010 |
83.8 |
0.284 |
2011 |
83.0 |
0.289 |
2012 |
82.2 |
0.294 |
2013 |
81.4 |
0.298 |
2014 |
80.6 |
0.302 |
2015 |
79.9 |
0.306 |
2016 |
79.2 |
0.310 |
2017 |
78.5 |
0.314 |
2018 |
77.8 |
0.318 |
2019 |
77.1 |
0.322 |
2020 |
76.5 |
0.325 |
2021 |
75.8 |
0.329 |
2022 |
75.2 |
0.332 |
2023 |
74.6 |
0.335 |
2024 |
74.0 |
0.338 |
2025 |
73.4 |
0.341 |
2026 |
72.8 |
0.344 |
2027 |
72.2 |
0.346 |
2028 |
71.6 |
0.349 |
2029 |
71.1 |
0.352 |
2030 |
70.5 |
0.354 |
|
|
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 17400-0038 BU 631 (HD 160438) : NOTES
discov_num |
notes |
refcode |
BU 631 |
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic |
|
|
masses of 6.97 +/- 4.66, 4.77, and 2.82 Msun, respectively. |
Mlk2012 |
REFERENCES
refcode |
metd |
author |
reference |
Hei1996a |
Ma j |
Heintz, W.D. |
1996ApJS..105..475H |
Hei1996a |
+orb |
ApJS 105, 475, 1996 |
|
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 |
BU |
Burnham, S.W. (BU 1 - 81) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
17400-0038 |
BU 631 |
|
2006 |
117 |
89 |
0.2 |
7.23 |
7.40 |
B9IV |
NO |
173957.70-003821.2 |
17400-0038 |
BU 631 |
|
2009 |
120 |
87 |
0.3 |
7.23 |
7.40 |
B9IV |
NO |
173957.70-003821.2 |
17400-0038 |
BU 631 |
|
2017 |
124 |
88 |
0.3 |
7.23 |
7.40 |
B9IV |
NO |
173957.70-003821.2 |
17400-0038 |
BU 631 |
|
2018 |
125 |
81 |
0.3 |
7.23 |
7.40 |
B9IV |
NO |
173957.70-003821.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 17400-0038 BU 631 (HD 160438) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 17400-0038 BU 631 (HD 160438) : MEASURES
No records found.
WDS 17400-0038 (HD 160438) : 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 17400-0038 (HD 160438) : ALADIN DSS IMAGE @ 17h 39m 57.70s -00° 38' 21.2"
WDS 17400-0038 BU 631 (HD 160438) : 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 |
|
17400-0038 |
BU 631 |
|
81 |
0.3 |
1 |
Show |
|
17407-0043 |
A 1160 |
|
16 |
1.7 |
12 |
Show |
|
17394+0103 |
GIC 147 |
|
114 |
7.4 |
27 |
Show |
|
17397-0003 |
J 2509 |
|
89 |
2.8 |
34 |
Show |
|
17417+0109 |
A 2249 |
|
303 |
1.5 |
40 |
Show |
|
17417+0115 |
GWP2729 |
|
81 |
5.3 |
45 |
Show |
|
17414+0127 |
LDS1000 |
|
148 |
13.0 |
54 |
Show |
|
17358+0100 |
STF2186 |
|
78 |
3.0 |
66 |
Show |
|
17364-0000 |
BAL1188 |
AB |
117 |
7.7 |
67 |
Show |
|
17364-0000 |
GWP2725 |
AC |
254 |
177.0 |
67 |
Show |
|
17377+0138 |
GWP2727 |
|
345 |
48.8 |
69 |
Show |
|
17356+0107 |
SKF 919 |
|
2 |
14.5 |
72 |
Show |
|
17351-0036 |
HDS2484 |
AB |
198 |
0.8 |
73 |
Show |
|
17351-0036 |
SKF 918 |
AC |
308 |
3.2 |
73 |
Show |
|
17349-0044 |
BAL 891 |
AB |
204 |
20.0 |
76 |
Show |
|
17349-0044 |
BAL 891 |
AC |
194 |
18.5 |
76 |
Show |
|
17349-0044 |
BAL 891 |
BC |
85 |
3.8 |
76 |
Show |
|
17448-0027 |
RST5093 |
|
54 |
1.7 |
77 |
Show |
|
17349+0102 |
DOO 67 |
|
117 |
46.0 |
80 |
Show |
|
17454-0032 |
J 516 |
|
239 |
3.3 |
83 |
Show |
|
17344+0032 |
RST5438 |
|
76 |
1.4 |
85 |
Show |
|
17391+0202 |
SHJ 251 |
AB |
328 |
111.3 |
85 |
Show |
|
17391+0202 |
SHJ 251 |
AC |
15 |
133.1 |
85 |
Show |
|
17391+0202 |
SHJ 251 |
BC |
69 |
99.8 |
86 |
Show |
|
17348+0130 |
J 2507 |
|
234 |
1.3 |
93 |
Show |
|
17464+0122 |
ORL 11 |
|
12 |
0.6 |
106 |
Show |
|
17362+0207 |
TDT 430 |
|
85 |
0.8 |
106 |
Show |
|
17459+0135 |
ORL 9 |
|
349 |
0.5 |
106 |
Show |
|
17376-0102 |
BU 960 |
|
292 |
3.0 |
107 |
Show |
|
17398+0225 |
OSO 83 |
AB |
273 |
12.7 |
107 |
Show |
|
17398+0225 |
OSO 83 |
AC |
222 |
12.3 |
107 |
Show |
|
17391+0231 |
BAL1941 |
|
50 |
15.1 |
112 |
Show |
|
17397-0119 |
A 1159 |
AB |
284 |
2.4 |
118 |
Show |
|
17397-0119 |
GII 250 |
Aa,Ab |
136 |
0.2 |
118 |
Show |
|
17320-0042 |
TDT 399 |
|
134 |
0.4 |
120 |
Show |
|
17320+0047 |
BAL1187 |
|
272 |
3.6 |
120 |
Show |
|
17386-0121 |
A 2986 |
|
64 |
0.9 |
122 |
Show |
|
17319-0025 |
GWP2720 |
|
302 |
191.9 |
123 |
Show |
|
17390+0240 |
WSI 88 |
|
202 |
0.1 |
123 |
Show |
|
17463+0157 |
ORL 10 |
|
265 |
0.3 |
123 |
Show |
|
17318-0055 |
RST5088 |
|
58 |
1.2 |
124 |
Show |
|
17483+0036 |
BAL1189 |
|
148 |
4.0 |
125 |
Show |
|
17316-0023 |
GWP2719 |
|
111 |
48.2 |
127 |
Show |
|
17479+0121 |
TDT 510 |
|
226 |
6.2 |
127 |
Show |
|
17352+0228 |
TDS 874 |
|
317 |
1.1 |
131 |
Show |
|
17418+0249 |
BAL1942 |
|
187 |
5.0 |
134 |
Show |
|
17481+0135 |
A 2185 |
|
177 |
0.7 |
134 |
Show |
|
17425+0247 |
UC 3386 |
|
270 |
48.3 |
135 |
Show |
|
17487+0110 |
STF2221 |
|
76 |
19.5 |
136 |
Show |
|
17446+0235 |
STF2202 |
AB |
92 |
20.8 |
136 |
Show |
|
17446+0235 |
STF2202 |
BC |
28 |
93.8 |
136 |
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WDS 17400-0038 : COMPONENTS
17400-0038 A
Componente originario normalizzato |
AB |
|
Name |
HD 160438 |
|
Coord arcsec 2000 |
173957.70-003821.2 |
|
Mag |
7.23 |
|
Spectral class |
B9IV (blue-white) |
|
PmRA |
-8.00 |
|
PmDE |
-16.0 |
|
SAO |
141795 |
|
HIP |
86463 |
|
Tycho2 |
5081-02482-1 |
|
HD |
160438 |
|
GC |
23947 |
|
BD |
BD-00 3338 |
|
Tycho2 |
5081-02482-1 |
|
Pflag |
|
|
RAmdeg |
264.99040977 |
|
DEmdeg |
-0.63924715 |
|
PmRA |
-6.9 |
|
PmDE |
-13.2 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
1.0 |
|
E pmDE |
1.1 |
|
EpRAm |
1991.40 |
|
EpDEm |
1991.39 |
|
Num |
16 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
1.2 |
|
Q pmRA |
0.9 |
|
Q pmDE |
1.3 |
|
BTmag |
6.661 |
|
E BTmag |
0.015 |
|
VTmag |
6.528 |
|
E VTmag |
0.010 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
86463 |
|
CCDM |
AB |
|
RAdeg |
264.99042556 |
|
DEdeg |
-0.63921639 |
|
EpRA 1990 |
1.78 |
|
EpDE 1990 |
1.61 |
|
E RAdeg |
3.9 |
|
E DEdeg |
4.3 |
|
Posflg |
P |
|
Corr |
-0.2 |
|
SAO |
141795 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0002 |
|
DE1950 |
|
|
PmDE1950 |
-0.012 |
|
Vmag |
6.7 |
|
SpType |
A0 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
23947 |
|
DM |
BD-00 3338 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
160438 |
|
M HD |
0 |
|
GC |
23947 |
|
RA1950rad |
4.61372143 |
|
DE1950rad |
-0.01070157 |
|
PmRA2000 |
0 |
|
PmDE2000 |
-0.011 |
|
Catalog |
H |
|
HIP |
86463 |
|
Proxy |
H |
|
RAhms |
17 39 57.70 |
|
DEdms |
-00 38 21.2 |
|
Vmag |
6.51 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
264.99 |
|
DEdeg |
-0.639213 |
|
AstroRef |
* |
|
Plx |
3.04 |
|
CCDM |
17400-0038 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
S |
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
110 |
|
Rho |
0.159 |
|
HD |
160438 |
|
BD |
BD-00 3338 |
|
CD |
|
|
CP |
|
|
Dm number |
-00 3338 |
|
VIred |
0.12 |
|
SpType |
A0 |
|
R SpType |
|
|
Coord arcsec 2000 |
173957.70-003821.2 |
|
HIP |
86463 |
|
Sn |
55 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
4.6249554262 |
|
DErad |
-0.0111563732 |
|
Plx |
4.07 |
|
PmRA |
-6.94 |
|
PmDE |
-13.35 |
|
E RArad |
0.66 |
|
E DErad |
0.41 |
|
E Plx |
0.83 |
|
E pmRA |
0.85 |
|
E pmDE |
0.41 |
|
Hpmag |
6.5588 |
|
E Hpmag |
0.0011 |
|
SHp |
0.006 |
|
VA |
0 |
|
BV |
0.122 |
|
E BV |
0.007 |
|
VI |
0.14 |
|
Ccdm |
17400-0038 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-2.30 |
|
DDEs |
-21.7 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
7.5 |
|
Sp |
A0 |
|
PmNote |
* |
|
PmRA |
-9 |
|
PmDE |
-16 |
|
Dm number |
-00 3338 |
|
Cat1 |
BD |
|
Name2 |
-00 2234 |
|
Cat2 |
AGK2/3 |
|
HD |
160438 |
|
M HD |
|
|
ADS BDS |
A10696 |
|
M ADS BDS |
|
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N IDS |
|
|
IDS |
17348S0035A |
|
HIC |
86463 |
|
17400-0038 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
173957.72+003821.2 |
|
Mag |
7.4 |
|
Calc delta mag |
0.17 |
|
Calc coord |
yes |
|
Ccdm |
17400-0038 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
* |
|
Note2 |
|
|
Discov num |
BU 631 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1958 |
|
Theta |
029 |
|
Rho |
0.2 |
|
Obs |
99 |
|
Vmag |
7.5 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A10696 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
17348S0035B |
|
HIC |
86463 |
|