18509-2235 DON 927 AC
18h 50m 56.78s -22° 34' 56.5" P.A. 8.00 sep 9.1 mag 9.63,13.50 Sp F5V
Coord 2000 |
18509-2235 |
|
Discov num |
DON 927 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 50 56.78 -22 34 56.5 |
|
Date first |
1929 |
|
Date last |
2016 |
|
Obs |
8 |
|
Pa first |
7 |
|
Pa last |
8.4 |
|
P.A. Now (θ) |
8.4° |
|
Sep first |
8.8 |
|
Sep last |
9.136 |
|
Sep. Now (ρ) |
9.136" |
|
Mag pri |
9.63 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
3.87 |
|
Spectral class |
F5V (yellow-white) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
+006 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
+024 |
|
Notes |
|
|
rPM=1.304
This double is not physical.
18509-2235 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
187347 |
18 50 57 -22 34 56 |
DON 927 AB |
2015 |
3 |
68 |
3.3 |
9.63 |
15.70 |
6.07 |
|
|
Show |
|
187347 |
18 50 57 -22 34 56 |
DON 927 AC |
2016 |
8 |
8 |
9.1 |
9.63 |
13.50 |
3.87 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
SAO |
187347 |
|
Tycho2 |
6860-00286-1 |
|
Gaia DR2 |
4078678691534438784 |
|
HD |
174331 |
|
DM |
BD-22 4882 |
|
WDS 18509-2235 DON 927 AC : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Don1937 |
Ma j |
Donner, H.F. |
1937MmRAS..65...51R |
Don1937 |
|
MemRAS 65, 51, 1937 |
|
Don1955 |
Ma - |
Donner, H.F. |
1955POMic..11....1R |
Don1955 |
|
Pub. Univ. Michigan Obs. 11, 1, 1955 |
|
Don1964 |
Ma j |
Donner, H.F. |
1964POMic...9...73R |
Don1964 |
|
Pub. Univ. Michigan Obs. 9, 73, 1964 |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18509-2235 |
DON 927 |
AC |
1998 |
2 |
8 |
9.2 |
9.63 |
13.50 |
F5V |
D |
185056.78-223456.5 |
18509-2235 |
DON 927 |
AC |
1999 |
3 |
9 |
9.1 |
9.63 |
13.50 |
F5V |
D |
185056.78-223456.5 |
18509-2235 |
DON 927 |
AC |
2010 |
4 |
7 |
8.4 |
9.63 |
13.50 |
F5V |
|
185056.78-223456.5 |
18509-2235 |
DON 927 |
AC |
2015 |
4 |
8 |
9.1 |
9.63 |
13.50 |
F5V |
|
185056.78-223456.5 |
18509-2235 |
DON 927 |
AC |
2016 |
8 |
8 |
9.1 |
9.63 |
13.50 |
F5V |
|
185056.78-223456.5 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18509-2235 DON 927 AC : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18509-2235 DON 927 AC : MEASURES
No records found.
WDS 18509-2235 : 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 18509-2235 : ALADIN DSS IMAGE @ 18h 50m 56.78s -22° 34' 56.5"
WDS 18509-2235 DON 927 AC : 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 |
|
18509-2235 |
DON 927 |
AB |
68 |
3.3 |
|
Show |
|
18509-2235 |
DON 927 |
AC |
8 |
9.1 |
|
Show |
|
18516-2235 |
SHN 236 |
|
-1 |
0.0 |
10 |
Show |
|
18524-2225 |
DON 930 |
|
272 |
0.7 |
23 |
Show |
|
18508-2210 |
BU 1300 |
|
254 |
18.0 |
26 |
Show |
|
18510-2208 |
KPP 427 |
|
235 |
3.7 |
28 |
Show |
|
18487-2230 |
ARA1900 |
|
103 |
12.0 |
32 |
Show |
|
18513-2201 |
HJ 5070 |
|
51 |
9.7 |
35 |
Show |
|
18536-2235 |
ARA1902 |
|
324 |
11.2 |
38 |
Show |
Ainalrami |
18542-2245 |
BU 1033 |
AB |
99 |
2.5 |
46 |
Show |
Ainalrami |
18542-2245 |
HJ 5072 |
AC |
58 |
28.0 |
46 |
Show |
|
18484-2205 |
ARA1899 |
|
261 |
10.9 |
46 |
Show |
|
18542-2254 |
TDT1120 |
|
27 |
0.4 |
50 |
Show |
|
18541-2259 |
ALD 71 |
|
158 |
2.1 |
51 |
Show |
|
18515-2143 |
DON 928 |
|
277 |
4.9 |
53 |
Show |
|
18472-2246 |
DON 923 |
|
348 |
0.6 |
53 |
Show |
|
18518-2141 |
DON 929 |
|
329 |
3.9 |
56 |
Show |
|
18555-2239 |
ARA1903 |
|
235 |
8.2 |
64 |
Show |
|
18463-2224 |
SEE 360 |
|
217 |
14.7 |
65 |
Show |
|
18556-2241 |
ARA1904 |
|
81 |
12.4 |
66 |
Show |
|
18549-2157 |
RSS 495 |
AB |
67 |
21.4 |
67 |
Show |
|
18498-2350 |
TNN 13 |
AB |
311 |
6.2 |
77 |
Show |
|
18498-2350 |
TNN 13 |
AC |
234 |
8.3 |
77 |
Show |
|
18562-2258 |
ARA2247 |
|
314 |
14.9 |
77 |
Show |
|
18471-2331 |
LDS4798 |
|
241 |
5.7 |
78 |
Show |
|
18508-2111 |
SHN 235 |
|
-1 |
0.2 |
84 |
Show |
|
18553-2341 |
B 412 |
|
278 |
1.9 |
90 |
Show |
|
18451-2315 |
CBL 173 |
|
94 |
25.2 |
91 |
Show |
|
18503-2100 |
ARA1554 |
|
188 |
9.7 |
96 |
Show |
|
18440-2237 |
RST5453 |
|
211 |
0.1 |
97 |
Show |
|
18554-2349 |
OCC1046 |
|
-1 |
0.0 |
97 |
Show |
|
18565-2336 |
ARA2248 |
|
332 |
13.0 |
98 |
Show |
|
18570-2327 |
ARA2249 |
|
221 |
9.4 |
98 |
Show |
|
18549-2357 |
RCH 7 |
AB |
20 |
1.6 |
99 |
Show |
|
18549-2357 |
OCC1044 |
Aa,Ab |
-1 |
0.0 |
99 |
Show |
|
18549-2357 |
OCC1044 |
Aa,Ac |
-1 |
0.0 |
99 |
Show |
|
18444-2316 |
ARA2246 |
|
194 |
12.1 |
100 |
Show |
|
18474-2108 |
B 1889 |
|
218 |
0.8 |
101 |
Show |
|
18437-2240 |
DON 919 |
AB |
80 |
3.4 |
101 |
Show |
|
18437-2240 |
DON 919 |
AC |
306 |
14.9 |
101 |
Show |
|
18433-2225 |
I 1381 |
|
37 |
1.3 |
106 |
Show |
|
18442-2325 |
RST3195 |
|
191 |
1.2 |
106 |
Show |
|
18583-2306 |
ARA2251 |
|
235 |
10.2 |
108 |
Show |
|
18569-2345 |
OCC1048 |
|
-1 |
0.0 |
109 |
Show |
|
18580-2145 |
B 2870 |
|
263 |
6.0 |
110 |
Show |
|
18452-2117 |
ARA1553 |
|
273 |
10.1 |
113 |
Show |
|
18572-2352 |
CPO 603 |
|
161 |
9.9 |
116 |
Show |
|
18554-2413 |
OCC1045 |
|
-1 |
0.0 |
116 |
Show |
|
18510-2431 |
J 1751 |
|
281 |
13.7 |
116 |
Show |
|
18580-2337 |
LEO 22 |
AB |
280 |
2.8 |
117 |
Show |
|
18580-2337 |
OCC1049 |
Aa,Ab |
-1 |
0.0 |
117 |
|
|
WDS 18509-2235 : COMPONENTS
|
A |
B |
B |
pa=65.9°
sep=3.09"
| |
C |
pa=7.8°
sep=9.12"
| pa=348.4°
sep=7.94"
|
18509-2235 A
Coord arcsec 2000 |
185056.78-223456.5 |
|
Mag |
9.63 |
|
Spectral class |
F5V (yellow-white) |
|
PmRA |
-3.00 |
|
PmDE |
0.0 |
|
SAO |
187347 |
|
Tycho2 |
6860-00286-1 |
|
HD |
174331 |
|
DM |
BD-22 4882 |
|
Tycho2 |
6860-00286-1 |
|
Pflag |
|
|
RAmdeg |
282.73659546 |
|
DEmdeg |
-22.58237178 |
|
PmRA |
0.4 |
|
PmDE |
-3.8 |
|
E RAmdeg |
15 |
|
E DEmdeg |
18 |
|
E pmRA |
1.9 |
|
E pmDE |
1.7 |
|
EpRAm |
1989.64 |
|
EpDEm |
1987.19 |
|
Num |
7 |
|
Q RAmdeg |
0.9 |
|
Q DEmdeg |
1.5 |
|
Q pmRA |
0.8 |
|
Q pmDE |
1.5 |
|
BTmag |
10.195 |
|
E BTmag |
0.031 |
|
VTmag |
9.629 |
|
E VTmag |
0.027 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
282.73659556 |
|
DEdeg |
-22.58236611 |
|
EpRA 1990 |
1.70 |
|
EpDE 1990 |
1.57 |
|
E RAdeg |
15.9 |
|
E DEdeg |
19.7 |
|
Posflg |
|
|
Corr |
0.0 |
|
SAO |
187347 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0014 |
|
DE1950 |
|
|
PmDE1950 |
0.005 |
|
Vmag |
9.1 |
|
SpType |
G0 |
|
Double code |
|
|
Source |
25 |
|
CatNum |
13086 |
|
DM |
CD-2213341 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
174331 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
4.9215211 |
|
DE1950rad |
-0.39517385 |
|
PmRA2000 |
-0.0014 |
|
PmDE2000 |
0.005 |
|
18509-2235 B
Coord arcsec 2000 |
185056.98-223455.2 |
|
Mag |
15.7 |
|
Calc delta mag |
6.07 |
|
Calc coord |
yes |
|
18509-2235 C
Coord arcsec 2000 |
185056.87-223447.5 |
|
Mag |
13.5 |
|
PmRA |
6.00 |
|
PmDE |
24.0 |
|
Calc delta mag |
3.87 |
|
Calc coord |
yes |
|