18210-4406 DON 890 (HD 168258)
18h 20m 57.95s -44° 06' 09.7" P.A. 235.00 sep 0.9 mag 10.92,11.26 Sp G1/2
Coord 2000 |
18210-4406 |
|
Discov num |
DON 890 |
|
Comp |
|
|
Coord arcsec 2000 |
18 20 57.95 -44 06 09.7 |
|
Date first |
1931 |
|
Date last |
1991 |
|
Obs |
4 |
|
Pa first |
232 |
|
Pa last |
234.7 |
|
P.A. Now (θ) |
234.7° |
|
Sep first |
0.7 |
|
Sep last |
0.891 |
|
Sep. Now (ρ) |
0.891" |
|
Mag pri |
10.92 |
|
Mag sec |
11.26 |
|
delta mag (ΔM) |
0.34 |
|
Spectral class |
G1/2 (yellow) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
+004 |
|
Sec motion dec |
+004 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 168258 |
|
Constellation |
Corona Austrina |
|
Tycho2 |
7913-00754-1 |
|
Gaia DR2 |
6720462635194185856 |
|
HD |
168258 |
|
WDS 18210-4406 DON 890 (HD 168258) : 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 |
18210-4406 |
DON 890 |
|
1991 |
4 |
235 |
0.9 |
10.92 |
11.26 |
G1/2 |
|
182057.95-440609.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18210-4406 DON 890 (HD 168258) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18210-4406 DON 890 (HD 168258) : MEASURES
No records found.
WDS 18210-4406 (HD 168258) : 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 18210-4406 (HD 168258) : ALADIN DSS IMAGE @ 18h 20m 57.95s -44° 06' 09.7"
WDS 18210-4406 DON 890 (HD 168258) : 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 |
|
18210-4406 |
DON 890 |
|
235 |
0.9 |
|
Show |
|
18210-4407 |
TDT 813 |
|
145 |
2.1 |
1 |
Show |
|
18213-4416 |
BRT1046 |
|
311 |
5.1 |
11 |
Show |
|
18218-4413 |
I 1363 |
|
297 |
0.8 |
12 |
Show |
|
18200-4354 |
HDS2591 |
|
27 |
0.3 |
16 |
Show |
|
18211-4344 |
BRT1045 |
|
74 |
4.3 |
22 |
Show |
|
18195-4428 |
CPO 580 |
|
51 |
3.3 |
27 |
Show |
|
18222-4434 |
CPO9265 |
|
204 |
4.9 |
31 |
Show |
|
18220-4437 |
CPO9264 |
|
179 |
5.8 |
34 |
Show |
|
18243-4407 |
DUN 221 |
|
162 |
74.0 |
36 |
Show |
|
18176-4433 |
SKF1146 |
|
152 |
40.8 |
46 |
Show |
|
18183-4444 |
BRT1041 |
|
175 |
3.5 |
47 |
Show |
|
18174-4434 |
SKF1021 |
|
11 |
46.2 |
48 |
Show |
|
18202-4454 |
BRT1044 |
|
143 |
3.9 |
49 |
Show |
|
18257-4412 |
DON 898 |
|
24 |
0.5 |
51 |
Show |
|
18171-4336 |
HDS2583 |
|
10 |
0.1 |
53 |
Show |
|
18161-4353 |
CPO9261 |
|
25 |
5.2 |
55 |
Show |
|
18161-4351 |
DAM 50 |
|
49 |
3.8 |
55 |
Show |
|
18229-4456 |
BRT1049 |
|
121 |
4.2 |
55 |
Show |
|
18199-4506 |
CPO 581 |
|
185 |
3.5 |
62 |
Show |
|
18228-4304 |
KPP3112 |
|
334 |
2.4 |
66 |
Show |
|
18199-4514 |
B 2442 |
|
250 |
11.7 |
70 |
Show |
|
18200-4517 |
KPP1486 |
|
266 |
11.2 |
72 |
Show |
|
18161-4316 |
I 1357 |
|
36 |
6.5 |
73 |
Show |
|
18166-4502 |
BRT1039 |
|
121 |
3.6 |
74 |
Show |
|
18222-4522 |
BRT1047 |
|
136 |
6.1 |
77 |
Show |
|
18192-4521 |
I 1360 |
|
193 |
0.5 |
78 |
Show |
|
18162-4304 |
LDS 631 |
|
274 |
16.1 |
80 |
Show |
|
18136-4430 |
I 1355 |
|
221 |
0.4 |
83 |
Show |
|
18133-4410 |
BRT1031 |
|
274 |
6.9 |
83 |
Show |
|
18233-4247 |
COO 224 |
|
135 |
3.0 |
84 |
Show |
|
18175-4245 |
CPO 579 |
|
256 |
3.0 |
90 |
Show |
|
18143-4309 |
SHY 740 |
|
345 |
999.9 |
92 |
Show |
|
18278-4507 |
BRT1057 |
|
44 |
7.2 |
95 |
Show |
|
18224-4232 |
TDT 820 |
|
237 |
2.1 |
96 |
Show |
|
18197-4542 |
CHR 148 |
|
52 |
0.3 |
97 |
Show |
|
18287-4318 |
DON 903 |
|
149 |
1.2 |
97 |
Show |
|
18229-4542 |
BRT1048 |
AB |
202 |
2.8 |
98 |
Show |
|
18297-4438 |
TOI1118 |
|
132 |
0.2 |
100 |
Show |
|
18240-4544 |
NSN 485 |
|
109 |
1.8 |
103 |
Show |
|
18112-4418 |
HDS2566 |
|
53 |
18.1 |
106 |
Show |
|
18308-4358 |
DON 905 |
|
53 |
0.5 |
106 |
Show |
|
18115-4435 |
DON 884 |
|
188 |
6.5 |
106 |
Show |
|
18205-4219 |
DON 889 |
|
260 |
0.8 |
108 |
Show |
|
18260-4541 |
LDS 638 |
|
259 |
14.6 |
109 |
Show |
|
18304-4448 |
UC 3597 |
|
132 |
75.2 |
110 |
Show |
|
18310-4434 |
CPO 589 |
|
293 |
8.3 |
112 |
Show |
|
18117-4500 |
CPO 574 |
AC |
189 |
3.9 |
113 |
Show |
|
18117-4500 |
CPO 574 |
BC |
57 |
7.5 |
113 |
Show |
|
18105-4411 |
BRT1027 |
|
141 |
3.8 |
113 |
Show |
|
18312-4344 |
I 1369 |
|
238 |
4.3 |
114 |
|
|
WDS 18210-4406 : COMPONENTS
18210-4406 A
Componente originario normalizzato |
AB |
|
Name |
HD 168258 |
|
Coord arcsec 2000 |
182057.95-440609.7 |
|
Mag |
10.92 |
|
Spectral class |
G1/2 (yellow) |
|
PmRA |
3.00 |
|
PmDE |
4.0 |
|
Tycho2 |
7913-00754-1 |
|
HD |
168258 |
|
Tycho2 |
7913-00754-1 |
|
Pflag |
P |
|
RAmdeg |
275.24144600 |
|
DEmdeg |
-44.10269538 |
|
PmRA |
2.8 |
|
PmDE |
3.7 |
|
E RAmdeg |
40 |
|
E DEmdeg |
48 |
|
E pmRA |
2.5 |
|
E pmDE |
2.3 |
|
EpRAm |
1988.69 |
|
EpDEm |
1986.31 |
|
Num |
3 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
2.0 |
|
Q pmRA |
1.0 |
|
Q pmDE |
2.0 |
|
BTmag |
11.494 |
|
E BTmag |
0.074 |
|
VTmag |
10.920 |
|
E VTmag |
0.077 |
|
Prox |
9 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
275.24152750 |
|
DEdeg |
-44.10265778 |
|
EpRA 1990 |
1.76 |
|
EpDE 1990 |
1.78 |
|
E RAdeg |
41.4 |
|
E DEdeg |
50.1 |
|
Posflg |
D |
|
Corr |
0.2 |
|
18210-4406 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
182057.90-440610.2 |
|
Mag |
11.26 |
|
PmRA |
3.00 |
|
PmDE |
4.0 |
|
Tycho2 |
7913-00754-2 |
|
Calc delta mag |
0.34 |
|
Calc coord |
yes |
|
Tycho2 |
7913-00754-2 |
|
Pflag |
P |
|
RAmdeg |
275.24144600 |
|
DEmdeg |
-44.10269538 |
|
PmRA |
2.8 |
|
PmDE |
3.7 |
|
E RAmdeg |
40 |
|
E DEmdeg |
48 |
|
E pmRA |
2.5 |
|
E pmDE |
2.3 |
|
EpRAm |
1988.69 |
|
EpDEm |
1986.31 |
|
Num |
3 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
2.0 |
|
Q pmRA |
1.0 |
|
Q pmDE |
2.0 |
|
BTmag |
11.968 |
|
E BTmag |
0.114 |
|
VTmag |
11.255 |
|
E VTmag |
0.102 |
|
Prox |
9 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
275.24124639 |
|
DEdeg |
-44.10280111 |
|
EpRA 1990 |
1.76 |
|
EpDE 1990 |
1.78 |
|
E RAdeg |
60.7 |
|
E DEdeg |
73.4 |
|
Posflg |
D |
|
Corr |
0.2 |
|