18121+0207 BAL 1957
18h 12m 07.75s +02° 07' 53.1" P.A. 231.00 sep 8.7 mag 9.89,9.97
Coord 2000 |
18121+0207 |
|
Discov num |
BAL1957 |
|
Comp |
|
|
Coord arcsec 2000 |
18 12 07.75 +02 07 53.1 |
|
Date first |
1909 |
|
Date last |
2015 |
|
Obs |
13 |
|
Pa first |
231 |
|
Pa last |
230.8 |
|
P.A. Now (θ) |
230.8° |
|
Sep first |
8.7 |
|
Sep last |
8.688 |
|
Sep. Now (ρ) |
8.688" |
|
Mag pri |
9.89 |
|
Mag sec |
9.97 |
|
delta mag (ΔM) |
0.08 |
|
Spectral class |
|
|
Pri motion ra |
+032 |
|
Sec motion ra |
+017 |
|
Pri motion dec |
-007 |
|
Sec motion dec |
-012 |
|
Notes |
N
(See Notes) |
|
rPM=0.483
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ophiuchus |
|
Gaia DR2 |
4276148609044816384 |
|
WDS 18121+0207 BAL 1957 : NOTES
discov_num |
notes |
refcode |
BAL1957 |
J 1829. |
|
REFERENCES
refcode |
metd |
author |
reference |
Bal1924 |
Ma - |
Baillaud, R. |
1924JO......7..117B |
Bal1924 |
|
J. Obs. 7, 117, 1924 |
|
Bal1925 |
Ma - |
Baillaud, R. |
1925JO......8...53B |
Bal1925 |
|
J. Obs. 8, 53, 1925 |
|
Bal1925b |
Ma j |
Baillaud, R. |
1925JO......8...56B |
Bal1925b |
|
J. Obs. 8, 56, 1925 |
|
Bal1926 |
Ma - |
Baillaud, R. |
1926JO......9..129P |
Bal1926 |
|
J. Obs. 9, 129, 1926 |
|
Bal1937A |
Ma - |
Baillaud, R. |
1937AnLei..18....1S |
Bal1937A |
|
cited by Strand (Ann. Sterrew. Leiden 18, 1937) |
|
Bal1944 |
C - |
Baillaud, R. |
1944AnBes...3...33B |
Bal1944 |
+Pa |
Ann. Obs. Besancon New Ser. 3, 33, 1943 |
|
Bal1944 |
+Po |
|
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18121+0207 |
BAL1957 |
|
1999 |
3 |
51 |
8.7 |
10.20 |
10.20 |
|
N D |
181207.31+020747.8 |
18121+0207 |
BAL1957 |
|
2004 |
5 |
231 |
8.4 |
9.89 |
9.97 |
|
N D |
181207.75+020753.1 |
18121+0207 |
BAL1957 |
|
2009 |
6 |
231 |
8.4 |
9.89 |
9.97 |
|
N D |
181207.75+020753.1 |
18121+0207 |
BAL1957 |
|
2013 |
8 |
230 |
8.6 |
9.89 |
9.97 |
|
N |
181207.75+020753.1 |
18121+0207 |
BAL1957 |
|
2015 |
9 |
231 |
8.7 |
9.89 |
9.97 |
|
N |
181207.75+020753.1 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18121+0207 BAL 1957 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18121+0207 BAL 1957 : MEASURES
No records found.
WDS 18121+0207 : 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 18121+0207 : ALADIN DSS IMAGE @ 18h 12m 07.75s +02° 07' 53.1"
WDS 18121+0207 BAL 1957 : 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 |
|
18121+0207 |
BAL1957 |
|
231 |
8.7 |
|
Show |
|
18117+0200 |
BAL1499 |
|
151 |
6.3 |
10 |
Show |
|
18123+0154 |
A 2260 |
AB |
107 |
1.9 |
15 |
Show |
|
18123+0154 |
RAO 66 |
AC |
72 |
17.2 |
15 |
Show |
|
18129+0228 |
HEI 559 |
|
173 |
0.8 |
24 |
Show |
|
18103+0209 |
DAL 18 |
AB |
274 |
12.5 |
28 |
Show |
|
18103+0209 |
DAL 18 |
AC |
314 |
45.0 |
28 |
Show |
|
18104+0232 |
STF2288 |
|
58 |
15.9 |
36 |
Show |
|
18128+0243 |
BAL1958 |
|
140 |
3.9 |
37 |
Show |
|
18130+0243 |
BAL1959 |
AB |
31 |
23.1 |
37 |
Show |
|
18130+0243 |
BAL1959 |
AC |
66 |
15.4 |
37 |
Show |
|
18130+0243 |
BAL1959 |
BC |
171 |
13.8 |
38 |
Show |
|
18103+0235 |
BU 638 |
BC |
4 |
1.8 |
38 |
Show |
|
18103+0235 |
STF2287 |
AB |
153 |
22.9 |
39 |
Show |
|
18103+0235 |
BU 638 |
AD |
222 |
59.7 |
39 |
Show |
|
18103+0235 |
BU 638 |
AE |
344 |
13.7 |
39 |
Show |
|
18152+0229 |
BAL1961 |
|
358 |
17.4 |
51 |
Show |
|
18121+0258 |
GRV 231 |
|
181 |
50.7 |
51 |
Show |
|
18097+0247 |
BAL1955 |
|
174 |
28.4 |
54 |
Show |
|
18144+0251 |
BAL1960 |
|
176 |
13.8 |
55 |
Show |
|
18083+0209 |
BAL1954 |
|
226 |
13.6 |
57 |
Show |
|
18083+0230 |
NYS 7 |
BC |
84 |
16.0 |
60 |
Show |
|
18083+0230 |
BAL1953 |
AB |
122 |
17.1 |
60 |
Show |
|
18081+0213 |
BU 636 |
AB |
120 |
1.4 |
61 |
Show |
|
18081+0213 |
BU 636 |
AC |
93 |
11.7 |
61 |
Show |
|
18081+0213 |
BU 636 |
AD |
348 |
40.8 |
61 |
Show |
|
18081+0213 |
GII 259 |
Aa,Ab |
168 |
0.1 |
61 |
Show |
|
18080+0222 |
WLY 9 |
|
94 |
16.4 |
63 |
Show |
|
18079+0153 |
OSO 93 |
AB |
21 |
12.7 |
65 |
Show |
|
18079+0153 |
OSO 93 |
AC |
295 |
13.1 |
65 |
Show |
|
18079+0153 |
OSO 93 |
AD |
171 |
17.6 |
65 |
Show |
|
18079+0153 |
OSO 93 |
AE |
66 |
21.7 |
65 |
Show |
|
18079+0153 |
OSO 93 |
AF |
194 |
20.9 |
65 |
Show |
|
18099+0307 |
BU 637 |
AB |
191 |
7.2 |
69 |
Show |
|
18099+0307 |
BU 637 |
AC |
245 |
98.2 |
69 |
Show |
|
18099+0307 |
YSC 132 |
Aa,Ab |
357 |
0.0 |
69 |
Show |
|
18076+0224 |
BAL1952 |
|
153 |
13.5 |
71 |
Show |
|
18150+0304 |
SLE 145 |
|
27 |
11.5 |
71 |
Show |
|
18113+0058 |
CVR 212 |
|
346 |
99.8 |
71 |
Show |
|
18074+0227 |
BAL1951 |
|
251 |
3.2 |
73 |
Show |
|
18153+0305 |
SLE 146 |
AB |
151 |
18.4 |
75 |
Show |
|
18153+0305 |
SLE 146 |
AC |
157 |
49.8 |
75 |
Show |
|
18069+0159 |
BAL1498 |
|
255 |
3.0 |
79 |
Show |
|
18090+0315 |
BAL2477 |
|
162 |
18.8 |
82 |
Show |
|
18106+0327 |
BAL2481 |
|
108 |
10.7 |
83 |
Show |
|
18139+0332 |
TDT 750 |
|
97 |
0.7 |
89 |
Show |
|
18162+0319 |
J 1269 |
AB |
104 |
3.4 |
94 |
Show |
|
18162+0319 |
J 1269 |
AC |
355 |
9.5 |
94 |
Show |
|
18084+0325 |
BAL2475 |
|
88 |
5.5 |
96 |
Show |
|
18076+0314 |
SLE 85 |
|
181 |
11.3 |
96 |
Show |
|
18166+0316 |
J 3325 |
|
219 |
2.5 |
96 |
|
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WDS 18121+0207 : COMPONENTS
18121+0207 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
181207.75+020753.1 |
|
Mag |
9.89 |
|
PmRA |
32.00 |
|
PmDE |
-7.0 |
|
18121+0207 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
181207.30+020747.6 |
|
Mag |
9.97 |
|
PmRA |
17.00 |
|
PmDE |
-12.0 |
|
Calc delta mag |
0.08 |
|
Calc coord |
yes |
|