17217-4524 DON 831 (HD 156786)
17h 21m 46.07s -45° 23' 54.2" P.A. 30.00 sep 0.3 mag 10.60,11.60 Sp B9IV
Coord 2000 |
17217-4524 |
|
Discov num |
DON 831 |
|
Comp |
|
|
Coord arcsec 2000 |
17 21 46.07 -45 23 54.2 |
|
Date first |
1929 |
|
Date last |
1948 |
|
Obs |
2 |
|
Pa first |
30 |
|
Pa last |
30.4 |
|
P.A. Now (θ) |
30.4° |
|
Sep first |
0.2 |
|
Sep last |
0.32 |
|
Sep. Now (ρ) |
0.32" |
|
Mag pri |
10.60 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
B9IV (blue-white) |
|
Pri motion ra |
-009 |
|
Sec motion ra |
|
|
Pri motion dec |
-016 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 156786 |
|
Constellation |
Scorpius |
|
Tycho2 |
8341-00302-1 |
|
Gaia DR2 |
5952794611835027200 |
|
HD |
156786 |
|
WDS 17217-4524 DON 831 (HD 156786) : 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 |
17217-4524 |
DON 831 |
|
1948 |
2 |
30 |
0.3 |
10.60 |
11.60 |
B9IV |
|
172146.07-452354.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 17217-4524 DON 831 (HD 156786) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 17217-4524 DON 831 (HD 156786) : MEASURES
No records found.
WDS 17217-4524 (HD 156786) : 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 17217-4524 (HD 156786) : ALADIN DSS IMAGE @ 17h 21m 46.07s -45° 23' 54.2"
WDS 17217-4524 DON 831 (HD 156786) : 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 |
|
17217-4524 |
DON 831 |
|
30 |
0.3 |
|
Show |
|
17213-4523 |
CPO 520 |
|
70 |
5.3 |
5 |
Show |
|
17213-4526 |
BRT 958 |
|
210 |
2.8 |
5 |
Show |
|
17228-4537 |
EVS 30 |
AB |
268 |
14.4 |
17 |
Show |
|
17228-4537 |
EVS 30 |
AC |
215 |
18.0 |
17 |
Show |
|
17228-4537 |
GAA 15 |
Aa,Ab |
235 |
0.0 |
17 |
Show |
|
17237-4510 |
I 593 |
|
282 |
0.8 |
25 |
Show |
|
17206-4549 |
BRT 957 |
|
313 |
3.1 |
29 |
Show |
|
17252-4512 |
B 1856 |
|
140 |
1.6 |
38 |
Show |
|
17257-4516 |
B 1857 |
|
51 |
4.5 |
43 |
Show |
|
17207-4443 |
CPO 519 |
|
223 |
5.7 |
43 |
Show |
|
17195-4443 |
TDT 305 |
|
320 |
0.5 |
48 |
Show |
|
17227-4611 |
BRT 961 |
|
327 |
4.6 |
49 |
Show |
|
17246-4445 |
DON 836 |
|
87 |
1.3 |
49 |
Show |
|
17253-4451 |
SKF1055 |
|
47 |
7.6 |
50 |
Show |
|
17200-4610 |
HJ 4936 |
|
76 |
7.4 |
50 |
Show |
|
17193-4441 |
CPO 518 |
|
253 |
3.3 |
50 |
Show |
|
17170-4531 |
BRT 954 |
|
53 |
3.5 |
51 |
Show |
|
17187-4446 |
BRT 955 |
AB |
290 |
3.1 |
51 |
Show |
|
17187-4446 |
BRT 955 |
AC |
149 |
5.6 |
51 |
Show |
|
17184-4603 |
DON 830 |
|
98 |
2.3 |
53 |
Show |
|
17181-4605 |
HJ 4929 |
|
226 |
10.6 |
57 |
Show |
|
17267-4551 |
ARY 109 |
|
155 |
10.5 |
59 |
Show |
|
17269-4551 |
HJ 4949 |
AB |
251 |
2.1 |
60 |
Show |
|
17269-4551 |
DUN 216 |
AC |
312 |
102.5 |
60 |
Show |
|
17254-4611 |
RST 927 |
|
312 |
2.4 |
61 |
Show |
|
17241-4425 |
DON 834 |
|
20 |
1.6 |
65 |
Show |
|
17157-4504 |
BRT 953 |
|
304 |
6.5 |
68 |
Show |
|
17216-4632 |
RST 920 |
|
230 |
0.3 |
69 |
Show |
|
17280-4545 |
B 1858 |
|
237 |
2.2 |
69 |
Show |
|
17170-4617 |
CPO 516 |
|
337 |
4.7 |
73 |
Show |
|
17283-4550 |
DON 840 |
|
12 |
1.3 |
74 |
Show |
|
17194-4413 |
HDO 269 |
|
233 |
0.1 |
75 |
Show |
|
17146-4528 |
COO 210 |
AB |
340 |
5.5 |
76 |
Show |
|
17191-4638 |
BSO 13 |
AB |
259 |
10.6 |
80 |
Show |
|
17191-4638 |
BSO 13 |
AC |
267 |
144.6 |
80 |
Show |
|
17191-4638 |
BSO 13 |
AD |
290 |
94.7 |
80 |
Show |
|
17191-4638 |
BSO 13 |
Ba,Bb |
235 |
0.1 |
80 |
Show |
|
17294-4520 |
CPO 528 |
|
357 |
4.7 |
81 |
Show |
|
17162-4426 |
SKF1415 |
|
26 |
4.9 |
83 |
Show |
|
17149-4441 |
HDS2438 |
|
187 |
10.0 |
85 |
Show |
|
17222-4649 |
HDS2452 |
|
257 |
11.7 |
86 |
Show |
|
17135-4527 |
B 900 |
|
280 |
0.5 |
87 |
Show |
|
17274-4416 |
DON 839 |
|
274 |
2.4 |
91 |
Show |
|
17139-4605 |
BRT 951 |
|
163 |
4.0 |
92 |
Show |
|
17267-4407 |
I 1083 |
|
318 |
0.8 |
93 |
Show |
|
17260-4403 |
DON 837 |
|
328 |
3.8 |
93 |
Show |
|
17204-4352 |
TDT 313 |
|
96 |
1.3 |
94 |
Show |
|
17270-4408 |
TDT 357 |
|
282 |
0.6 |
94 |
Show |
|
17135-4447 |
DON 828 |
|
84 |
0.5 |
96 |
Show |
|
17245-4656 |
CPO 521 |
|
265 |
4.2 |
96 |
|
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WDS 17217-4524 : COMPONENTS
17217-4524 A
Componente originario normalizzato |
AB |
|
Name |
HD 156786 |
|
Coord arcsec 2000 |
172146.07-452354.2 |
|
Mag |
10.6 |
|
Spectral class |
B9IV (blue-white) |
|
PmRA |
-9.00 |
|
PmDE |
-16.0 |
|
Tycho2 |
8341-00302-1 |
|
HD |
156786 |
|
DM |
CD-4511423 |
|
Tycho2 |
8341-00302-1 |
|
Pflag |
|
|
RAmdeg |
260.44199110 |
|
DEmdeg |
-45.39840211 |
|
PmRA |
-3.9 |
|
PmDE |
-3.9 |
|
E RAmdeg |
25 |
|
E DEmdeg |
33 |
|
E pmRA |
1.7 |
|
E pmDE |
1.6 |
|
EpRAm |
1989.09 |
|
EpDEm |
1986.26 |
|
Num |
4 |
|
Q RAmdeg |
1.9 |
|
Q DEmdeg |
0.3 |
|
Q pmRA |
1.9 |
|
Q pmDE |
0.3 |
|
BTmag |
10.437 |
|
E BTmag |
0.042 |
|
VTmag |
10.262 |
|
E VTmag |
0.053 |
|
Prox |
967 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
260.44200417 |
|
DEdeg |
-45.39839250 |
|
EpRA 1990 |
1.66 |
|
EpDE 1990 |
1.24 |
|
E RAdeg |
24.9 |
|
E DEdeg |
34.0 |
|
Posflg |
|
|
Corr |
0.0 |
|
17217-4524 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
172146.08-452353.9 |
|
Mag |
11.6 |
|
Calc delta mag |
1 |
|
Calc coord |
yes |
|