18253+2805 HDS 2604 Aa,Ab
18h 25m 20.37s +28° 04' 59.0" P.A. 212.00 sep 0.7 mag 8.69,11.30 Sp B9 dist. 641.03 pc (2091.04 l.y.)
Coord 2000 |
18253+2805 |
|
Discov num |
HDS2604 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
18 25 20.37 +28 04 59.0 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
Pa first |
208 |
|
Pa last |
212.1 |
|
P.A. Now (θ) |
212.1° |
|
Sep first |
0.7 |
|
Sep last |
0.729 |
|
Sep. Now (ρ) |
0.729" |
|
Mag pri |
8.69 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
2.61 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
|
|
Pri motion dec |
+002 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
18253+2805 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
86027 |
18 25 20 +28 04 59 |
HDS 2604 Aa,Ab |
2016 |
4 |
212 |
0.7 |
8.69 |
11.30 |
2.61 |
|
<=== |
Show |
HD 169818 |
86027 |
18 25 20 +28 04 59 |
HO 85 AB |
2016 |
14 |
196 |
4.9 |
8.68 |
12.00 |
3.32 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
SAO |
86027 |
|
HIP |
90287 |
|
Tycho2 |
2114-00276-1 |
|
Gaia DR2 |
4586495863438223616 |
|
HD |
169818 |
|
BD |
BD+28 2996 |
|
Distance |
641.03 |
|
Distance ly |
2091.04 |
|
WDS 18253+2805 HDS 2604 Aa,Ab : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
HDS |
|
Hipparcos Double Star (from additional DD list) |
................... |
Ho_1883 |
Ma j |
Hough, G.W. |
1883MNRAS..43..371H |
Ho_1883 |
|
MNRAS 43, 371, 1883 (data also in Ho_1890) |
1890AN....125....1H |
Ho_1884 |
Ma j |
Hough, G.W. |
1884MNRAS..44..365H |
Ho_1884 |
|
MNRAS 44, 365, 1884 (data also in Ho_1890) |
1890AN....125....1H |
Ho_1885 |
Ma j |
Hough, G.W. |
1885MNRAS..45..417H |
Ho_1885 |
|
MNRAS 45, 417, 1885 (data also in Ho_1890) |
1890AN....125....1H |
Ho_1886 |
Ma j |
Hough, G.W. |
1886MNRAS..46..393H |
Ho_1886 |
|
MNRAS 46, 393, 1886 (data also in Ho_1890) |
1890AN....125....1H |
Ho_1887 |
Ma j |
Hough, G.W. |
1887AN....116..273H |
Ho_1887 |
|
AN 116, 273, 1887 |
|
Ho_1890 |
Ma j |
Hough, G.W. |
1890AN....125....1H |
Ho_1890 |
|
AN 125, 1, 1890 |
|
Ho_1890b |
Ma j |
Hough, G.W. |
1890AJ......9..177H |
Ho_1890b |
|
AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) |
1890AN....125....1H |
Ho_1894a |
Ma - |
Hough, G.W. |
1894MNRAS..54..251H |
Ho_1894a |
|
MNRAS 54, 251, 1894 |
|
Ho_1894b |
Ma j |
Hough, G.W. (HO 304 - 490) |
1894AN....135..281H |
Ho_1894b |
|
AN 135, 281, 1894 |
|
Ho_1894c |
Ma - |
Hough, G.W. (measure by Dembowski, H.) |
1894AN....135..281H |
Ho_1894c |
|
AN 135, 281, 1894 |
|
Ho_1899a |
Ma j |
Hough, G.W. |
1899AN....149..65H |
Ho_1899a |
|
AN 149, 65, 1899 |
|
Ho_1899b |
Ma - |
Hough, G.W. (measure by Burnham, S.W.) |
1899AN....149..65H |
Ho_1899b |
|
AN 149, 65, 1899 |
|
Ho_1907 |
Ma - |
Hough, G.W. |
1907PFAO....3c...1D |
Ho_1907 |
|
Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle) |
|
Ho_1932A |
Ma - |
Hough, G.W. |
1932QB821.A43...... |
Ho_1932A |
|
cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox) |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18253+2805 |
HDS2604 |
Aa,Ab |
1991 |
1 |
208 |
0.7 |
8.69 |
11.30 |
B9 |
D |
182520.37+280459.0 |
18253+2805 |
HDS2604 |
Aa,Ab |
2007 |
2 |
212 |
0.7 |
8.69 |
11.30 |
B9 |
D |
182520.37+280459.0 |
18253+2805 |
HDS2604 |
Aa,Ab |
2016 |
3 |
212 |
0.7 |
8.69 |
11.30 |
B9 |
|
182520.37+280459.0 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18253+2805 HDS 2604 Aa,Ab : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18253+2805 HDS 2604 Aa,Ab : MEASURES
No records found.
WDS 18253+2805 : 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 18253+2805 : ALADIN DSS IMAGE @ 18h 25m 20.37s +28° 04' 59.0"
WDS 18253+2805 HDS 2604 Aa,Ab : 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 |
|
18253+2805 |
HDS2604 |
Aa,Ab |
212 |
0.7 |
|
Show |
|
18253+2805 |
HO 85 |
AB |
196 |
4.9 |
|
Show |
|
18249+2817 |
RAO 391 |
|
313 |
0.1 |
14 |
Show |
|
18242+2818 |
A 244 |
|
268 |
0.6 |
21 |
Show |
|
18238+2808 |
GRV1261 |
|
16 |
2.2 |
22 |
Show |
|
18257+2828 |
TDT 858 |
|
57 |
0.4 |
24 |
Show |
|
18235+2810 |
JOD 15 |
|
176 |
1.2 |
26 |
Show |
|
18271+2754 |
TDS 921 |
|
315 |
0.9 |
26 |
Show |
|
18270+2832 |
MLB 648 |
|
22 |
10.1 |
35 |
Show |
|
18265+2842 |
HJ 1324 |
|
14 |
5.6 |
40 |
Show |
|
18230+2742 |
HJ 1322 |
|
239 |
21.8 |
41 |
Show |
|
18250+2724 |
HO 84 |
DE |
322 |
4.4 |
42 |
Show |
|
18250+2724 |
STF2315 |
AB |
117 |
0.6 |
42 |
Show |
|
18250+2724 |
STF2315 |
AC |
79 |
44.9 |
42 |
Show |
|
18250+2724 |
BU 9009 |
AD |
290 |
118.0 |
42 |
Show |
|
18233+2731 |
HO 83 |
|
115 |
0.8 |
43 |
Show |
|
18220+2812 |
UC 3562 |
|
313 |
15.6 |
46 |
Show |
|
18265+2721 |
BU 264 |
|
|
8.0 |
47 |
Show |
|
18280+2837 |
COU 638 |
|
136 |
3.3 |
48 |
Show |
|
18227+2849 |
UC 3566 |
|
180 |
32.0 |
56 |
Show |
|
18273+2856 |
HO 433 |
|
328 |
9.8 |
57 |
Show |
|
18212+2820 |
STF2312 |
|
341 |
1.7 |
58 |
Show |
|
18298+2818 |
UC 3594 |
|
71 |
13.4 |
61 |
Show |
|
18280+2708 |
ES 475 |
|
223 |
10.7 |
68 |
Show |
|
18208+2732 |
BU 640 |
|
322 |
0.7 |
69 |
Show |
|
18306+2805 |
ES 476 |
AB |
347 |
2.8 |
70 |
Show |
|
18306+2805 |
ES 476 |
AC |
325 |
28.9 |
70 |
Show |
|
18251+2654 |
AG 361 |
|
13 |
3.8 |
71 |
Show |
|
18259+2652 |
UC 3578 |
|
185 |
4.5 |
74 |
Show |
|
18257+2649 |
DAM1237 |
|
10 |
10.6 |
77 |
Show |
|
18280+2655 |
TDT 893 |
|
344 |
0.5 |
79 |
Show |
|
18265+2645 |
TDT 870 |
|
73 |
0.9 |
82 |
Show |
|
18191+2808 |
HJ 1318 |
|
140 |
10.0 |
83 |
Show |
|
18257+2639 |
COU 815 |
|
144 |
1.6 |
86 |
Show |
|
18185+2749 |
COU1008 |
|
92 |
2.0 |
93 |
Show |
|
18296+2647 |
A 245 |
|
1 |
3.4 |
97 |
Show |
|
18267+2627 |
GUI 21 |
DE |
345 |
22.9 |
99 |
Show |
|
18267+2627 |
BU 1326 |
AB |
107 |
5.5 |
100 |
Show |
|
18267+2627 |
BU 1326 |
AC |
60 |
61.8 |
100 |
Show |
|
18267+2627 |
GUI 21 |
AD |
285 |
162.8 |
100 |
Show |
|
18223+2633 |
TDT 819 |
|
216 |
0.6 |
101 |
Show |
|
18292+2933 |
HO 434 |
|
184 |
18.6 |
102 |
Show |
|
18173+2825 |
GRV 232 |
|
170 |
16.7 |
107 |
Show |
|
18269+2950 |
HJ 1325 |
|
311 |
6.5 |
108 |
Show |
|
18332+2835 |
MLB 691 |
|
18 |
4.3 |
109 |
Show |
|
18173+2832 |
LDS4782 |
|
61 |
48.1 |
110 |
Show |
|
18338+2816 |
MLB 568 |
|
207 |
3.8 |
113 |
Show |
|
18224+2617 |
NSN 704 |
|
142 |
4.0 |
115 |
Show |
|
18190+2643 |
TDT 792 |
|
213 |
0.8 |
118 |
Show |
|
18169+2718 |
MIL 4 |
|
130 |
16.6 |
120 |
Show |
|
18253+2605 |
HDS2605 |
Aa,Ab |
84 |
1.2 |
120 |
|
|
WDS 18253+2805 : COMPONENTS
|
A |
Ab |
Ab |
pa=209.0°
sep=0.71"
| |
B |
pa=193.7°
sep=4.82"
| pa=191.2°
sep=4.15"
|
18253+2805 A
Name |
HD 169818 |
|
Coord arcsec 2000 |
182520.37+280459.0 |
|
Mag |
8.68 |
|
Spectral class |
B9 (blue-white) |
|
PmRA |
1.00 |
|
PmDE |
7.0 |
|
SAO |
86027 |
|
HIP |
90287 |
|
Tycho2 |
2114-00276-1 |
|
HD |
169818 |
|
ADS |
11338 |
|
BD |
BD+28 2996 |
|
Tycho2 |
2114-00276-1 |
|
Pflag |
X |
|
RAmdeg |
|
|
DEmdeg |
|
|
PmRA |
|
|
PmDE |
|
|
E RAmdeg |
|
|
E DEmdeg |
|
|
E pmRA |
|
|
E pmDE |
|
|
EpRAm |
|
|
EpDEm |
|
|
Num |
|
|
Q RAmdeg |
|
|
Q DEmdeg |
|
|
Q pmRA |
|
|
Q pmDE |
|
|
BTmag |
8.734 |
|
E BTmag |
0.016 |
|
VTmag |
8.678 |
|
E VTmag |
0.013 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
90287 |
|
CCDM |
AC |
|
RAdeg |
276.33488944 |
|
DEdeg |
28.08305194 |
|
EpRA 1990 |
1.59 |
|
EpDE 1990 |
1.64 |
|
E RAdeg |
5.9 |
|
E DEdeg |
5.6 |
|
Posflg |
|
|
Corr |
0.0 |
|
SAO |
86027 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0014 |
|
DE1950 |
|
|
PmDE1950 |
-0.007 |
|
Vmag |
8 |
|
SpType |
B9 |
|
Double code |
|
|
Source |
34 |
|
CatNum |
8888 |
|
DM |
BD+28 2996 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
169818 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
4.81434269 |
|
DE1950rad |
0.48962204 |
|
PmRA2000 |
-0.0012 |
|
PmDE2000 |
-0.008 |
|
Catalog |
H |
|
HIP |
90287 |
|
Proxy |
H |
|
RAhms |
18 25 20.37 |
|
DEdms |
+28 04 59.0 |
|
Vmag |
8.57 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
276.335 |
|
DEdeg |
28.0831 |
|
AstroRef |
A |
|
Plx |
3.21 |
|
CCDM |
18253+2805 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
D |
|
M HIP |
AC |
|
Theta |
208 |
|
Rho |
0.735 |
|
HD |
169818 |
|
BD |
BD+28 2996 |
|
CD |
|
|
CP |
|
|
Dm number |
+28 2996 |
|
VIred |
0.07 |
|
SpType |
B9 |
|
R SpType |
|
|
Coord arcsec 2000 |
182520.37+280459.0 |
|
HIP |
90287 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
4.8229537395 |
|
DErad |
0.4901418368 |
|
Plx |
1.56 |
|
PmRA |
-4.22 |
|
PmDE |
0.12 |
|
E RArad |
0.97 |
|
E DErad |
1.27 |
|
E Plx |
1.49 |
|
E pmRA |
1.14 |
|
E pmDE |
1.58 |
|
Hpmag |
8.5955 |
|
E Hpmag |
0.0019 |
|
SHp |
0.02 |
|
VA |
0 |
|
BV |
0.048 |
|
E BV |
0.015 |
|
VI |
0.06 |
|
Ccdm |
18253+2805 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
2.37 |
|
DDEs |
-1.0 |
|
R dRAs |
82 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
3 |
|
Vmag |
8.7 |
|
Sp |
B9 |
|
PmNote |
* |
|
PmRA |
-3 |
|
PmDE |
2 |
|
Dm number |
+28 2996 |
|
Cat1 |
BD |
|
Name2 |
+28 1785 |
|
Cat2 |
AGK2/3 |
|
HD |
169818 |
|
M HD |
|
|
ADS BDS |
A11338 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18214N2802A |
|
HIC |
90287 |
|
18253+2805 Ab
Coord arcsec 2000 |
182520.34+280458.4 |
|
Mag |
11.3 |
|
Calc delta mag |
2.61 |
|
Calc coord |
yes |
|
18253+2805 B
Coord arcsec 2000 |
182520.28+280454.3 |
|
Mag |
12 |
|
Calc delta mag |
3.31 |
|
Calc coord |
yes |
|
Ccdm |
18253+2805 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
HO 85 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1885 |
|
Theta |
195 |
|
Rho |
4.8 |
|
Obs |
5 |
|
Vmag |
12.0 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A11338 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18214N2802B |
|
HIC |
90287 |
|