18487+2053 RAS 27
18h 48m 40.44s +20° 53' 10.0" P.A. 218.00 sep 1.2 mag 9.30,13.00 Sp A1+G/K
Coord 2000 |
18487+2053 |
|
Discov num |
RAS 27 |
|
Comp |
|
|
Coord arcsec 2000 |
18 48 40.44 +20 53 10.0 |
|
Date first |
2010 |
|
Date last |
2016 |
|
Obs |
2 |
|
Pa first |
220 |
|
Pa last |
218.4 |
|
P.A. Now (θ) |
218.4° |
|
Sep first |
1.2 |
|
Sep last |
1.173 |
|
Sep. Now (ρ) |
1.173" |
|
Mag pri |
9.30 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
3.7 |
|
Spectral class |
A1+G/K (white/yellow) |
|
Pri motion ra |
+004 |
|
Sec motion ra |
|
|
Pri motion dec |
-005 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
SAO |
86456 |
|
Tycho2 |
1596-02623-1 |
|
Gaia DR2 |
4530829140220853120 |
|
HD |
349321 |
|
WDS 18487+2053 RAS 27 : NOTES
discov_num |
notes |
refcode |
RAS 27 |
Main component is poorly-studied silicon star, type A1; companion |
|
|
late-G/early-K. |
Ras2014 |
REFERENCES
refcode |
metd |
author |
reference |
Ras2014 |
S j |
Rastegaev, D.A., Balega, Y.Y., Dyachenko, V.V., Maksimov, A.F., & Malogolovets, E. |
2014AstBu..69..296R |
Ras2014 |
|
Astrophys. Bull. 69, 296, 2014 |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18487+2053 |
RAS 27 |
|
2010 |
1 |
220 |
1.2 |
9.30 |
13.00 |
A1 G/K |
|
184840.44+205310.0 |
18487+2053 |
RAS 27 |
|
2016 |
2 |
218 |
1.2 |
9.30 |
13.00 |
A1+G/K |
N |
184840.44+205310.0 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18487+2053 RAS 27 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18487+2053 RAS 27 : MEASURES
No records found.
WDS 18487+2053 : 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 18487+2053 : ALADIN DSS IMAGE @ 18h 48m 40.44s +20° 53' 10.0"
WDS 18487+2053 RAS 27 : 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 |
|
18487+2053 |
RAS 27 |
|
218 |
1.2 |
|
Show |
|
18490+2110 |
STF2401 |
AB |
38 |
4.1 |
18 |
Show |
|
18490+2110 |
STF2401 |
AC |
149 |
92.9 |
18 |
Show |
|
18500+2043 |
HU 328 |
|
187 |
4.8 |
22 |
Show |
|
18482+2028 |
TDT1060 |
|
175 |
0.6 |
26 |
Show |
|
18509+2058 |
COU 317 |
AB |
94 |
1.5 |
32 |
Show |
|
18509+2058 |
COU 317 |
AC |
2 |
17.3 |
32 |
Show |
|
18498+2124 |
HU 327 |
|
60 |
0.3 |
35 |
Show |
|
18473+2125 |
GRV 239 |
|
244 |
7.6 |
37 |
Show |
|
18517+2041 |
J 809 |
|
211 |
1.6 |
44 |
Show |
|
18515+2117 |
TDT1091 |
|
297 |
0.7 |
47 |
Show |
|
18457+2033 |
HJ 2839 |
AB |
57 |
74.8 |
47 |
Show |
|
18457+2033 |
HJ 2839 |
AC |
59 |
73.0 |
47 |
Show |
|
18457+2033 |
HJ 2839 |
AD |
336 |
25.4 |
47 |
Show |
|
18457+2033 |
HJ 2839 |
AE |
13 |
61.1 |
47 |
Show |
|
18505+2002 |
KU 121 |
|
312 |
31.5 |
58 |
Show |
|
18498+2149 |
BRT2449 |
|
229 |
3.9 |
58 |
Show |
|
18527+2112 |
TDT1103 |
|
278 |
1.3 |
60 |
Show |
|
18528+2043 |
TDT1105 |
|
12 |
0.6 |
60 |
Show |
|
18474+1957 |
TDT1056 |
|
171 |
4.6 |
60 |
Show |
|
18523+2126 |
ISO 8 |
|
138 |
0.2 |
60 |
Show |
|
18443+2052 |
HU 325 |
|
6 |
0.4 |
62 |
Show |
|
18496+1953 |
MMA 28 |
|
70 |
13.9 |
62 |
Show |
|
18444+2015 |
ALD 4 |
AB |
338 |
4.1 |
65 |
Show |
|
18444+2015 |
DAM 640 |
AC |
169 |
11.0 |
65 |
Show |
|
18501+1952 |
TDT1079 |
|
295 |
1.3 |
65 |
Show |
|
18508+1954 |
KPP 426 |
|
97 |
4.6 |
66 |
Show |
|
18525+2007 |
TDT1101 |
|
117 |
0.6 |
71 |
Show |
|
18511+2200 |
TDT1086 |
|
117 |
0.6 |
75 |
Show |
|
18444+2003 |
GRV 238 |
|
345 |
36.6 |
78 |
Show |
|
18490+2213 |
GRV 241 |
|
175 |
27.1 |
81 |
Show |
|
18472+2213 |
JNN 119 |
|
270 |
0.4 |
83 |
Show |
|
18545+2037 |
STF2415 |
|
290 |
2.0 |
84 |
Show |
|
18490+2219 |
TDT1068 |
|
15 |
0.5 |
86 |
Show |
|
18523+2206 |
TDT1096 |
|
313 |
1.6 |
89 |
Show |
|
18425+2116 |
BRT2448 |
|
294 |
3.8 |
91 |
Show |
|
18489+1920 |
DCH 121 |
|
10 |
0.4 |
94 |
Show |
|
18515+2223 |
TDT1090 |
|
306 |
0.8 |
99 |
Show |
|
18430+1955 |
TDS 936 |
|
157 |
2.0 |
99 |
Show |
|
18542+2158 |
TDS 952 |
|
70 |
1.1 |
101 |
Show |
|
18412+2111 |
TDT 994 |
|
27 |
0.7 |
107 |
Show |
|
18443+2224 |
HU 1657 |
|
244 |
0.3 |
110 |
Show |
|
18529+1919 |
J 470 |
|
310 |
3.4 |
112 |
Show |
|
18469+2243 |
TDT1052 |
|
77 |
0.5 |
113 |
Show |
|
18426+2209 |
COU 208 |
|
304 |
0.3 |
113 |
Show |
|
18449+2234 |
HDS2655 |
|
196 |
0.3 |
114 |
Show |
|
18445+1913 |
J 466 |
|
214 |
2.9 |
115 |
Show |
|
18432+1928 |
BU 645 |
|
305 |
9.3 |
115 |
Show |
|
18442+2231 |
COU 209 |
AB |
38 |
2.1 |
116 |
Show |
|
18442+2231 |
COU 209 |
AC |
204 |
39.8 |
116 |
Show |
|
18567+2123 |
HDS2684 |
|
350 |
0.6 |
116 |
|
|
WDS 18487+2053 : COMPONENTS
18487+2053 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
184840.44+205310.0 |
|
Mag |
9.3 |
|
Spectral class |
A1 (white) |
|
PmRA |
4.00 |
|
PmDE |
-5.0 |
|
SAO |
86456 |
|
Tycho2 |
1596-02623-1 |
|
HD |
349321 |
|
DM |
BD+20 3943 |
|
Tycho2 |
1596-02623-1 |
|
Pflag |
|
|
RAmdeg |
282.16852716 |
|
DEmdeg |
20.88614046 |
|
PmRA |
3.6 |
|
PmDE |
-5.2 |
|
E RAmdeg |
9 |
|
E DEmdeg |
9 |
|
E pmRA |
1.0 |
|
E pmDE |
0.9 |
|
EpRAm |
1990.31 |
|
EpDEm |
1990.26 |
|
Num |
10 |
|
Q RAmdeg |
0.6 |
|
Q DEmdeg |
1.1 |
|
Q pmRA |
0.5 |
|
Q pmDE |
1.1 |
|
BTmag |
9.294 |
|
E BTmag |
0.018 |
|
VTmag |
9.333 |
|
E VTmag |
0.018 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
282.16851806 |
|
DEdeg |
20.88615250 |
|
EpRA 1990 |
1.64 |
|
EpDE 1990 |
1.73 |
|
E RAdeg |
9.3 |
|
E DEdeg |
8.9 |
|
Posflg |
|
|
Corr |
0.2 |
|
SAO |
86456 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0002 |
|
DE1950 |
|
|
PmDE1950 |
0 |
|
Vmag |
9 |
|
SpType |
A2 |
|
Double code |
|
|
Source |
35 |
|
CatNum |
6670 |
|
DM |
BD+20 3943 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
349321 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
4.91539717 |
|
DE1950rad |
0.36353192 |
|
PmRA2000 |
-0.0001 |
|
PmDE2000 |
0 |
|
18487+2053 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
184840.39+205309.1 |
|
Mag |
13 |
|
Spectral class |
G/K (yellow) |
|
Calc delta mag |
3.7 |
|
Calc coord |
yes |
|