20188+3102 HDS 2902
20h 18m 49.22s +31° 02' 26.9" P.A. 296.00 sep 1.7 mag 11.38,13.77 Sp B:+K: dist. 431.03 pc (1406.02 l.y.)
Coord 2000 |
20188+3102 |
|
Discov num |
HDS2902 |
|
Comp |
|
|
Coord arcsec 2000 |
20 18 49.22 +31 02 26.9 |
|
Date first |
1991 |
|
Date last |
2011 |
|
Obs |
4 |
|
Pa first |
294 |
|
Pa last |
295.6 |
|
P.A. Now (θ) |
295.6° |
|
Sep first |
1.7 |
|
Sep last |
1.676 |
|
Sep. Now (ρ) |
1.676" |
|
Mag pri |
11.38 |
|
Mag sec |
13.77 |
|
delta mag (ΔM) |
2.39 |
|
Spectral class |
B:+K: (blue-white/yellow-orange) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-006 |
|
Notes |
|
|
rPM=0.542
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
HIP |
100141 |
|
Tycho2 |
2672-00768-1 |
|
Gaia DR2 |
2053794438305564672 |
|
HD |
334032 |
|
Distance |
431.03 |
|
Distance ly |
1406.02 |
|
WDS 20188+3102 HDS 2902 : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
HDS |
|
Hipparcos Double Star (from additional DD list) |
................... |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20188+3102 |
HDS2902 |
|
1991 |
2 |
295 |
1.8 |
11.38 |
13.77 |
B... |
|
201849.22+310226.9 |
20188+3102 |
HDS2902 |
|
2005 |
3 |
292 |
2.0 |
11.38 |
13.77 |
B:+K: |
|
201849.22+310226.9 |
20188+3102 |
HDS2902 |
|
2011 |
4 |
296 |
1.7 |
11.38 |
13.77 |
B:+K: |
|
201849.22+310226.9 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20188+3102 HDS 2902 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20188+3102 HDS 2902 : MEASURES
No records found.
WDS 20188+3102 : 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 20188+3102 : ALADIN DSS IMAGE @ 20h 18m 49.22s +31° 02' 26.9"
WDS 20188+3102 HDS 2902 : 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 |
|
20188+3102 |
HDS2902 |
|
296 |
1.7 |
|
Show |
|
20211+3104 |
TDT2200 |
|
55 |
1.2 |
30 |
Show |
|
20176+3130 |
SEI1066 |
|
312 |
8.3 |
32 |
Show |
|
20176+3132 |
TDS1057 |
|
339 |
1.7 |
34 |
Show |
|
20169+3130 |
HO 588 |
AB |
297 |
50.8 |
38 |
Show |
|
20169+3130 |
HO 588 |
BC |
30 |
8.7 |
38 |
Show |
|
20217+3112 |
BRT 279 |
|
125 |
3.8 |
39 |
Show |
|
20215+3035 |
BU 1259 |
Ba,Bb |
191 |
0.2 |
42 |
Show |
|
20215+3035 |
BU 1259 |
BC |
356 |
10.3 |
42 |
Show |
|
20213+3035 |
WJD 1 |
|
262 |
8.8 |
43 |
Show |
|
20222+3105 |
TDT2211 |
|
354 |
2.4 |
44 |
Show |
|
20215+3035 |
ARY 4 |
AB |
287 |
134.9 |
44 |
Show |
|
20222+3115 |
A 1208 |
|
161 |
0.2 |
45 |
Show |
|
20223+3110 |
BRT1954 |
|
278 |
4.8 |
47 |
Show |
|
20222+3118 |
RAO 430 |
|
289 |
2.6 |
47 |
Show |
|
20190+3155 |
TDT2162 |
|
269 |
1.8 |
53 |
Show |
|
20170+3153 |
SEI1061 |
|
98 |
6.3 |
56 |
Show |
|
20188+3201 |
SEI1075 |
|
19 |
10.6 |
58 |
Show |
|
20234+3053 |
ARG 91 |
|
175 |
20.8 |
60 |
Show |
|
20200+3201 |
SEI1085 |
|
105 |
11.0 |
61 |
Show |
|
20181+3202 |
SEI1068 |
|
12 |
17.4 |
61 |
Show |
|
20219+3017 |
TDT2209 |
|
51 |
1.7 |
61 |
Show |
|
20231+3036 |
ES 362 |
BC |
270 |
5.1 |
62 |
Show |
|
20231+3036 |
ES 362 |
AB |
232 |
10.8 |
62 |
Show |
|
20198+3203 |
TDS1060 |
|
230 |
1.0 |
62 |
Show |
|
20144+3129 |
A 1204 |
|
323 |
0.4 |
63 |
Show |
|
20175+3205 |
SEI1065 |
|
2 |
4.1 |
65 |
Show |
|
20196+2956 |
A 1207 |
|
351 |
0.6 |
68 |
Show |
|
20168+3206 |
COU1476 |
AB |
9 |
0.1 |
69 |
Show |
|
20168+3206 |
COU1476 |
AC |
157 |
3.0 |
69 |
Show |
|
20140+3031 |
COU1475 |
|
87 |
0.2 |
70 |
Show |
|
20152+3006 |
TDT2121 |
|
11 |
2.0 |
74 |
Show |
|
20245+3120 |
TDT2244 |
|
281 |
0.4 |
75 |
Show |
|
20225+3004 |
TDT2216 |
|
133 |
0.5 |
75 |
Show |
|
20135+3031 |
J 3063 |
|
76 |
4.7 |
76 |
Show |
|
20179+2945 |
TDT2149 |
|
316 |
0.8 |
79 |
Show |
|
20169+3218 |
SEI1060 |
|
8 |
23.8 |
79 |
Show |
|
20234+3007 |
J 1772 |
|
98 |
2.4 |
82 |
Show |
|
20248+3033 |
ES 363 |
|
277 |
3.1 |
83 |
Show |
|
20190+3225 |
TDT2161 |
|
37 |
1.1 |
83 |
Show |
|
20250+3034 |
HDS2921 |
|
358 |
0.8 |
86 |
Show |
|
20189+3230 |
SEI1076 |
|
196 |
13.1 |
88 |
Show |
|
20251+3141 |
ES 2434 |
|
287 |
4.3 |
90 |
Show |
|
20223+2946 |
TDT2213 |
|
229 |
1.0 |
90 |
Show |
|
20118+3108 |
COU1474 |
AB |
59 |
2.9 |
91 |
Show |
|
20118+3108 |
GII 289 |
Aa,Ab |
83 |
1.5 |
91 |
Show |
|
20192+3235 |
KLT 21 |
BC |
324 |
0.1 |
93 |
Show |
|
20192+3235 |
KLT 21 |
AB |
185 |
1.3 |
93 |
Show |
|
20192+3235 |
KLT 21 |
AC |
187 |
1.2 |
93 |
Show |
|
20242+2958 |
HDS2916 |
Aa,Ab |
223 |
0.2 |
95 |
Show |
|
20242+2958 |
FMR 87 |
AB |
50 |
1.4 |
95 |
|
|
WDS 20188+3102 : COMPONENTS
20188+3102 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
201849.22+310226.9 |
|
Mag |
11.38 |
|
Spectral class |
B: (blue-white) |
|
PmRA |
2.00 |
|
PmDE |
-8.0 |
|
HIP |
100141 |
|
Tycho2 |
2672-00768-1 |
|
HD |
334032 |
|
Tycho2 |
2672-00768-1 |
|
Pflag |
|
|
RAmdeg |
304.70509385 |
|
DEmdeg |
31.04079241 |
|
PmRA |
2.2 |
|
PmDE |
-8.2 |
|
E RAmdeg |
49 |
|
E DEmdeg |
45 |
|
E pmRA |
2.0 |
|
E pmDE |
2.0 |
|
EpRAm |
1984.57 |
|
EpDEm |
1985.38 |
|
Num |
4 |
|
Q RAmdeg |
1.2 |
|
Q DEmdeg |
0.5 |
|
Q pmRA |
1.2 |
|
Q pmDE |
0.5 |
|
BTmag |
11.964 |
|
E BTmag |
0.085 |
|
VTmag |
11.382 |
|
E VTmag |
0.077 |
|
Prox |
18 |
|
TYC |
T |
|
HIP |
100141 |
|
CCDM |
A |
|
RAdeg |
304.70508778 |
|
DEdeg |
31.04081139 |
|
EpRA 1990 |
1.65 |
|
EpDE 1990 |
1.70 |
|
E RAdeg |
51.1 |
|
E DEdeg |
46.9 |
|
Posflg |
|
|
Corr |
0.2 |
|
Catalog |
H |
|
HIP |
100141 |
|
Proxy |
H |
|
RAhms |
20 18 49.22 |
|
DEdms |
+31 02 27.0 |
|
Vmag |
11.32 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
304.705 |
|
DEdeg |
31.0408 |
|
AstroRef |
A |
|
Plx |
-0.57 |
|
CCDM |
20188+3102 |
|
N CCDM |
H |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
D |
|
M HIP |
AB |
|
Theta |
294 |
|
Rho |
1.687 |
|
HD |
|
|
BD |
|
|
CD |
|
|
CP |
|
|
Dm number |
|
|
VIred |
0.57 |
|
SpType |
B... |
|
R SpType |
|
|
Coord arcsec 2000 |
201849.22+310227.0 |
|
HIP |
100141 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
5.3181066377 |
|
DErad |
0.5417646854 |
|
Plx |
2.32 |
|
PmRA |
-2.46 |
|
PmDE |
-4.13 |
|
E RArad |
1.46 |
|
E DErad |
1.72 |
|
E Plx |
2.49 |
|
E pmRA |
1.73 |
|
E pmDE |
1.74 |
|
Hpmag |
11.4415 |
|
E Hpmag |
0.0051 |
|
SHp |
0.049 |
|
VA |
0 |
|
BV |
0.5 |
|
E BV |
0.04 |
|
VI |
0.57 |
|
Ccdm |
20188+3102 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
1.22 |
|
DDEs |
26.9 |
|
R dRAs |
82 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
11.6 |
|
Sp |
B. |
|
PmNote |
* |
|
PmRA |
-2 |
|
PmDE |
-5 |
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
|
|
HIC |
100141 |
|
20188+3102 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
201849.12+310227.6 |
|
Mag |
13.77 |
|
Spectral class |
K: (yellow-orange) |
|
PmRA |
-2.00 |
|
PmDE |
-6.0 |
|
Calc delta mag |
2.39 |
|
Calc coord |
yes |
|
Ccdm |
20188+3102 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
HDS |
|
DRAs |
1.09 |
|
DDEs |
27.6 |
|
R dRAs |
82 |
|
Year |
1991 |
|
Theta |
294 |
|
Rho |
1.7 |
|
Obs |
1 |
|
Vmag |
13.8 |
|
Sp |
|
|
PmNote |
* |
|
PmRA |
-2 |
|
PmDE |
-5 |
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
|
|
HIC |
100141 |
|