18405+3139 HO 437 AB
18h 40m 29.71s +31° 38' 36.4" P.A. 140.00 sep 0.3 mag 9.00,7.71 Sp A5 dist. 168.07 pc (548.24 l.y.)
Coord 2000 |
18405+3139 |
|
Discov num |
HO 437 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 40 29.71 +31 38 36.4 |
|
Date first |
1892 |
|
Date last |
2016 |
|
Obs |
41 |
|
Pa first |
116 |
|
Pa last |
140.4 |
|
P.A. Now (θ) |
140.4° |
|
Sep first |
0.4 |
|
Sep last |
0.27 |
|
Sep. Now (ρ) |
0.27" |
|
Mag pri |
9.00 |
|
Mag sec |
7.71 |
|
delta mag (ΔM) |
1.29 |
|
Spectral class |
A5 (white) |
|
Pri motion ra |
-006 |
|
Sec motion ra |
-006 |
|
Pri motion dec |
+002 |
|
Sec motion dec |
+002 |
|
Notes |
|
|
Nature of this double is uncertain.
18405+3139 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
67238 |
18 40 30 +31 38 36 |
HO 437 AB |
2016 |
41 |
140 |
0.3 |
9.00 |
7.71 |
1.29 |
|
<=== |
Show |
|
67238 |
18 40 30 +31 38 36 |
HO 437 AC |
2014 |
8 |
272 |
39.9 |
9.00 |
11.30 |
2.30 |
|
|
Show |
|
67238 |
18 40 30 +31 38 36 |
HO 437 AE |
2006 |
5 |
288 |
22.1 |
9.00 |
15.20 |
6.20 |
|
|
Show |
|
|
18 40 27 +31 38 37 |
HO 437 CD |
2015 |
16 |
347 |
4.5 |
11.30 |
11.70 |
0.40 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
SAO |
67238 |
|
HIP |
91579 |
|
Tycho2 |
2637-01136-1 |
|
HD |
172729 |
|
BD |
BD+31 3327 |
|
Distance |
168.07 |
|
Distance ly |
548.24 |
|
WDS 18405+3139 HO 437 AB : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
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 |
18405+3139 |
HO 437 |
AB |
1996 |
37 |
131 |
0.4 |
9.00 |
7.71 |
A5 |
D |
184029.71+313836.4 |
18405+3139 |
HO 437 |
AB |
2007 |
39 |
134 |
0.3 |
9.00 |
7.71 |
A5 |
D |
184029.71+313836.4 |
18405+3139 |
HO 437 |
AB |
2016 |
40 |
140 |
0.3 |
9.00 |
7.71 |
A5 |
|
184029.71+313836.4 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18405+3139 HO 437 AB : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18405+3139 HO 437 AB : MEASURES
No records found.
WDS 18405+3139 : 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 18405+3139 : ALADIN DSS IMAGE @ 18h 40m 29.71s +31° 38' 36.4"
WDS 18405+3139 HO 437 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 |
|
18405+3139 |
HO 437 |
AB |
140 |
0.3 |
|
Show |
|
18405+3139 |
HO 437 |
AC |
272 |
39.9 |
|
Show |
|
18405+3139 |
HO 437 |
AE |
288 |
22.1 |
|
Show |
|
18405+3139 |
HO 437 |
CD |
347 |
4.5 |
1 |
Show |
|
18409+3132 |
HJ 1337 |
|
151 |
9.4 |
9 |
Show |
|
18432+3150 |
UC 3654 |
|
195 |
30.0 |
36 |
Show |
|
18389+3106 |
SLE 113 |
|
125 |
11.0 |
39 |
Show |
|
18437+3141 |
A 253 |
|
132 |
0.7 |
42 |
Show |
|
18375+3112 |
A 250 |
|
114 |
2.4 |
47 |
Show |
|
18400+3051 |
ARY 59 |
|
280 |
52.4 |
49 |
Show |
|
18371+3201 |
SLE 220 |
|
238 |
18.3 |
49 |
Show |
|
18409+3044 |
SLE 114 |
|
145 |
4.3 |
55 |
Show |
|
18386+3046 |
STF2359 |
AB |
293 |
24.5 |
59 |
Show |
|
18386+3046 |
STF2359 |
AC |
183 |
136.9 |
59 |
Show |
|
18386+3046 |
STF2359 |
AD |
183 |
138.6 |
59 |
Show |
|
18386+3046 |
STF2359 |
AE |
148 |
225.0 |
59 |
Show |
|
18425+3231 |
HJ 1340 |
|
79 |
15.4 |
59 |
Show |
|
18364+3209 |
SLE 219 |
|
246 |
11.2 |
61 |
Show |
|
18386+3046 |
STF2358 |
CD |
224 |
2.5 |
61 |
Show |
|
18356+3136 |
SLE 217 |
|
246 |
13.9 |
63 |
Show |
|
18392+3242 |
SEI 567 |
|
353 |
13.0 |
66 |
Show |
|
18414+3032 |
TDT 998 |
|
315 |
0.8 |
68 |
Show |
|
18424+3036 |
LDS1014 |
|
13 |
49.3 |
69 |
Show |
|
18351+3151 |
UC 3620 |
|
264 |
14.5 |
71 |
Show |
|
18434+3037 |
SLE 118 |
|
45 |
8.3 |
73 |
Show |
|
18458+3113 |
SLE 120 |
|
115 |
6.9 |
73 |
Show |
|
18355+3215 |
CRB 127 |
|
31 |
10.9 |
74 |
Show |
|
18367+3036 |
HJ 1330 |
AB |
224 |
9.3 |
76 |
Show |
|
18367+3036 |
DAM 110 |
AC |
289 |
8.1 |
76 |
Show |
|
18347+3158 |
SLE 211 |
|
270 |
9.4 |
77 |
Show |
|
18464+3116 |
HJ 1345 |
|
169 |
11.7 |
77 |
Show |
|
18457+3218 |
SEI 574 |
|
263 |
18.7 |
77 |
Show |
|
18378+3249 |
LDS4792 |
|
45 |
3.7 |
79 |
Show |
|
18447+3237 |
LDS4797 |
|
28 |
47.5 |
81 |
Show |
|
18344+3200 |
ES 2420 |
AB |
129 |
2.9 |
81 |
Show |
|
18344+3200 |
TOB 151 |
AC |
286 |
25.0 |
81 |
Show |
|
18369+3032 |
DAM 111 |
|
286 |
7.2 |
82 |
Show |
|
18405+3017 |
HJ 1336 |
AB |
89 |
16.9 |
82 |
Show |
|
18405+3017 |
HJ 1336 |
AC |
176 |
32.6 |
82 |
Show |
|
18405+3017 |
HJ 1336 |
AD |
294 |
33.1 |
82 |
Show |
|
18405+3017 |
HJ 1336 |
AE |
334 |
32.3 |
82 |
Show |
|
18413+3018 |
STF2367 |
AB |
73 |
0.4 |
82 |
Show |
|
18413+3018 |
BTG 2 |
AB,F |
173 |
42.4 |
82 |
Show |
|
18413+3018 |
STF2367 |
AB,C |
192 |
14.1 |
82 |
Show |
|
18413+3018 |
STF2367 |
AB,D |
84 |
21.9 |
82 |
Show |
|
18413+3018 |
STF2367 |
AB,E |
341 |
151.7 |
82 |
Show |
|
18343+3205 |
ES 2419 |
|
156 |
3.8 |
83 |
Show |
|
18466+3210 |
HU 935 |
|
153 |
3.1 |
85 |
Show |
|
18437+3024 |
STF2376 |
AB |
63 |
22.3 |
86 |
Show |
|
18437+3024 |
STF2376 |
AC |
206 |
85.1 |
86 |
Show |
|
18437+3024 |
SLE 112 |
AD |
168 |
29.1 |
86 |
|
|
WDS 18405+3139 : COMPONENTS
|
A |
B |
C |
D |
B |
pa=144.8°
sep=0.25"
| |
C |
pa=270.9°
sep=39.59"
| pa=271.2°
sep=39.74"
| |
D |
pa=277.0°
sep=40.73"
| pa=277.3°
sep=40.90"
| pa=349.1°
sep=4.45"
| |
E |
pa=291.0°
sep=19.14"
| pa=291.4°
sep=19.35"
| pa=73.9°
sep=22.60"
| pa=85.2°
sep=22.64"
|
18405+3139 A
Coord arcsec 2000 |
184029.71+313836.4 |
|
Mag |
9 |
|
Spectral class |
A5 (white) |
|
PmRA |
-6.00 |
|
PmDE |
2.0 |
|
SAO |
67238 |
|
HIP |
91579 |
|
HD |
172729 |
|
BD |
BD+31 3327 |
|
SAO |
67238 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0003 |
|
DE1950 |
|
|
PmDE1950 |
0.006 |
|
Vmag |
7.7 |
|
SpType |
A5 |
|
Double code |
|
|
Source |
6 |
|
CatNum |
1668 |
|
DM |
BD+31 3327 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
172729 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
4.88084857 |
|
DE1950rad |
0.55144599 |
|
PmRA2000 |
0.0005 |
|
PmDE2000 |
0.006 |
|
Catalog |
H |
|
HIP |
91579 |
|
Proxy |
H |
|
RAhms |
18 40 29.71 |
|
DEdms |
+31 38 36.4 |
|
Vmag |
7.4 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
280.124 |
|
DEdeg |
31.6435 |
|
AstroRef |
A |
|
Plx |
5.02 |
|
CCDM |
18405+3139 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
133 |
|
Rho |
0.401 |
|
HD |
172729 |
|
BD |
BD+31 3327 |
|
CD |
|
|
CP |
|
|
Dm number |
+31 3327 |
|
VIred |
0.39 |
|
SpType |
A5 |
|
R SpType |
|
|
Coord arcsec 2000 |
184029.71+313836.4 |
|
HIP |
91579 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
4.8890821367 |
|
DErad |
0.5522824759 |
|
Plx |
5.95 |
|
PmRA |
-5.53 |
|
PmDE |
3.34 |
|
E RArad |
0.54 |
|
E DErad |
0.6 |
|
E Plx |
0.74 |
|
E pmRA |
0.67 |
|
E pmDE |
0.8 |
|
Hpmag |
7.4708 |
|
E Hpmag |
0.0012 |
|
SHp |
0.011 |
|
VA |
0 |
|
BV |
0.335 |
|
E BV |
0.015 |
|
VI |
0.39 |
|
Ccdm |
18405+3139 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-0.28 |
|
DDEs |
-23.2 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
5 |
|
Vmag |
8.4 |
|
Sp |
A5 |
|
PmNote |
* |
|
PmRA |
-4 |
|
PmDE |
13 |
|
Dm number |
+31 3327 |
|
Cat1 |
BD |
|
Name2 |
+31 1668 |
|
Cat2 |
AGK2/3 |
|
HD |
172729 |
|
M HD |
|
|
ADS BDS |
A11566 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18368N3132A |
|
HIC |
91579 |
|
18405+3139 B
Coord arcsec 2000 |
184029.72+313836.2 |
|
Mag |
7.71 |
|
PmRA |
-6.00 |
|
PmDE |
2.0 |
|
Tycho2 |
2637-01136-1 |
|
Calc delta mag |
1.29 |
|
Calc coord |
yes |
|
Tycho2 |
2637-01136-1 |
|
Pflag |
|
|
RAmdeg |
280.12379969 |
|
DEmdeg |
31.64342202 |
|
PmRA |
-6.4 |
|
PmDE |
1.9 |
|
E RAmdeg |
5 |
|
E DEmdeg |
5 |
|
E pmRA |
1.4 |
|
E pmDE |
1.4 |
|
EpRAm |
1991.25 |
|
EpDEm |
1991.35 |
|
Num |
8 |
|
Q RAmdeg |
0.6 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
0.6 |
|
Q pmDE |
0.9 |
|
BTmag |
7.782 |
|
E BTmag |
0.016 |
|
VTmag |
7.470 |
|
E VTmag |
0.011 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
91579 |
|
CCDM |
AB |
|
RAdeg |
280.12381750 |
|
DEdeg |
31.64341750 |
|
EpRA 1990 |
1.51 |
|
EpDE 1990 |
1.62 |
|
E RAdeg |
4.8 |
|
E DEdeg |
4.5 |
|
Posflg |
P |
|
Corr |
0.0 |
|
Ccdm |
18405+3139 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
HO 437 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1960 |
|
Theta |
128 |
|
Rho |
0.5 |
|
Obs |
12 |
|
Vmag |
8.6 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A11566 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18368N3132B |
|
HIC |
91579 |
|
18405+3139 C
Coord arcsec 2000 |
184026.61+313837.0 |
|
Coord calc |
184026.61+313837.0 |
|
Mag |
11.3 |
|
PmRA |
7.00 |
|
PmDE |
-10.0 |
|
Calc delta mag |
2.3 |
|
Ccdm |
18405+3139 |
|
RComp |
|
|
Comp |
C |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
HO 437 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1893 |
|
Theta |
273 |
|
Rho |
40.2 |
|
Obs |
3 |
|
Vmag |
10.7 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A11566 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18368N3132C |
|
HIC |
|
|
18405+3139 D
Coord arcsec 2000 |
184026.54+313841.4 |
|
Mag |
11.7 |
|
Calc delta mag |
2.7 |
|
Calc coord |
yes |
|
Ccdm |
18405+3139 |
|
RComp |
C |
|
Comp |
D |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
HO 437 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1951 |
|
Theta |
346 |
|
Rho |
4.0 |
|
Obs |
6 |
|
Vmag |
11.2 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A11566 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18368N3132D |
|
HIC |
|
|
18405+3139 E
Coord arcsec 2000 |
184028.31+313843.3 |
|
Mag |
15.2 |
|
Calc delta mag |
6.2 |
|
Calc coord |
yes |
|