20458-4920 HDS 2956
20h 45m 49.92s -49° 20' 09.2" P.A. 294.00 sep 12.8 mag 10.87,13.66 Sp F8 dist. 80.13 pc (261.38 l.y.)
Coord 2000 |
20458-4920 |
|
Discov num |
HDS2956 |
|
Comp |
|
|
Coord arcsec 2000 |
20 45 49.92 -49 20 09.2 |
|
Date first |
1991 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
288 |
|
Pa last |
293.9 |
|
P.A. Now (θ) |
293.9° |
|
Sep first |
11.8 |
|
Sep last |
12.798 |
|
Sep. Now (ρ) |
12.798" |
|
Mag pri |
10.87 |
|
Mag sec |
13.66 |
|
delta mag (ΔM) |
2.79 |
|
Spectral class |
F8 (yellow-white) |
|
Pri motion ra |
+033 |
|
Sec motion ra |
+132 |
|
Pri motion dec |
-079 |
|
Sec motion dec |
-071 |
|
Notes |
|
|
rPM=0.663
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Indus |
|
HIP |
102467 |
|
Tycho2 |
8415-00109-1 |
|
Gaia DR2 |
6481124654897031040 |
|
CD |
CD-4913215 |
|
CP |
CP-4911301 |
|
Distance |
80.13 |
|
Distance ly |
261.38 |
|
WDS 20458-4920 HDS 2956 : 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 |
20458-4920 |
HDS2956 |
|
1999 |
5 |
289 |
12.2 |
10.87 |
13.66 |
F8 |
D |
204549.92-492009.2 |
20458-4920 |
HDS2956 |
|
2010 |
7 |
290 |
11.8 |
10.87 |
13.66 |
F8 |
|
204549.92-492009.2 |
20458-4920 |
HDS2956 |
|
2015 |
8 |
294 |
12.8 |
10.87 |
13.66 |
F8 |
|
204549.92-492009.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20458-4920 HDS 2956 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20458-4920 HDS 2956 : MEASURES
No records found.
WDS 20458-4920 : 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 20458-4920 : ALADIN DSS IMAGE @ 20h 45m 49.92s -49° 20' 09.2"
WDS 20458-4920 HDS 2956 : 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 |
|
20458-4920 |
HDS2956 |
|
294 |
12.8 |
|
Show |
|
20469-4929 |
CBL 180 |
|
198 |
27.9 |
14 |
Show |
|
20433-4959 |
UC 4269 |
|
85 |
20.3 |
47 |
Show |
|
20421-4825 |
SKF1167 |
|
253 |
84.3 |
64 |
Show |
|
20403-4956 |
KRW 2 |
|
62 |
20.5 |
65 |
Show |
|
20450-5029 |
I 17 |
AB |
32 |
1.2 |
70 |
Show |
|
20450-5029 |
DUN 235 |
AC |
122 |
125.4 |
70 |
Show |
|
20534-4923 |
SHY 784 |
AB |
134 |
348.4 |
75 |
Show |
|
20533-4906 |
TDT2608 |
|
172 |
1.1 |
75 |
Show |
|
20534-4923 |
SHY 784 |
BC |
147 |
2.8 |
79 |
Show |
|
20381-4846 |
UC 4241 |
|
189 |
44.7 |
84 |
Show |
|
20546-4938 |
TOK 680 |
AB |
271 |
5.3 |
88 |
Show |
|
20546-4938 |
TOK 680 |
AC |
333 |
7.0 |
88 |
Show |
|
20529-4826 |
CPO9297 |
|
304 |
3.4 |
89 |
Show |
|
20516-5030 |
KPP 479 |
|
347 |
4.9 |
90 |
Show |
|
20380-4828 |
WSP 88 |
|
147 |
16.3 |
93 |
Show |
|
20385-4821 |
BRT1113 |
|
211 |
4.6 |
94 |
Show |
|
20485-4750 |
TDT2554 |
|
162 |
2.3 |
94 |
Show |
|
20455-5105 |
HU 1618 |
|
240 |
1.0 |
106 |
Show |
|
20402-4749 |
UC 4252 |
|
317 |
5.7 |
107 |
Show |
|
20469-4730 |
UC 4285 |
|
90 |
20.0 |
112 |
Show |
|
20354-5014 |
LDS 714 |
AC |
238 |
100.3 |
115 |
Show |
|
20354-5014 |
WOR9002 |
AB |
273 |
1.1 |
115 |
Show |
|
20568-4840 |
HU 1332 |
|
85 |
3.7 |
116 |
Show |
|
20358-4815 |
BRT1112 |
|
145 |
4.8 |
119 |
Show |
|
20413-4725 |
CPO 617 |
|
165 |
4.8 |
124 |
Show |
|
20331-4932 |
UC 4215 |
|
113 |
41.9 |
125 |
Show |
|
20403-5114 |
HU 1617 |
|
279 |
0.2 |
126 |
Show |
|
20327-4949 |
TSN 34 |
|
213 |
8.7 |
131 |
Show |
|
20343-4816 |
I 1423 |
AB |
50 |
1.5 |
131 |
Show |
|
20343-4816 |
TOI2244 |
AC |
307 |
20.3 |
131 |
Show |
|
20539-5111 |
CPO 618 |
|
315 |
6.1 |
136 |
Show |
|
20358-4747 |
I 665 |
|
304 |
2.9 |
137 |
Show |
|
21004-5003 |
UC 4358 |
|
261 |
11.1 |
148 |
Show |
Al nair |
20376-4717 |
HJ 5209 |
AB |
206 |
69.2 |
148 |
Show |
Al nair |
20376-4717 |
HJ 5209 |
AC |
336 |
57.5 |
148 |
Show |
|
20315-5012 |
B 488 |
|
78 |
1.7 |
149 |
Show |
|
20525-5136 |
ALD 94 |
|
304 |
1.7 |
150 |
Show |
|
20436-5148 |
I 128 |
|
328 |
3.6 |
150 |
Show |
|
20351-5109 |
HDS2941 |
|
268 |
5.1 |
150 |
Show |
|
21011-4907 |
SKF 765 |
|
340 |
64.3 |
151 |
Show |
|
20591-4806 |
RST3273 |
|
49 |
1.0 |
152 |
Show |
|
20495-4649 |
HU 1331 |
|
194 |
0.9 |
156 |
Show |
|
20459-4640 |
RST2156 |
|
245 |
0.6 |
161 |
Show |
|
20465-4639 |
LDS 721 |
|
215 |
6.7 |
162 |
Show |
|
21014-5019 |
SKF 379 |
|
158 |
12.9 |
162 |
Show |
|
20511-5154 |
SHN 248 |
|
344 |
1.3 |
162 |
Show |
|
20485-5200 |
B 1388 |
|
327 |
5.4 |
162 |
Show |
|
20596-4746 |
I 1431 |
|
|
0.5 |
167 |
Show |
|
20321-4742 |
I 1087 |
AB |
95 |
3.5 |
168 |
Show |
|
20321-4742 |
TOK 628 |
AC |
120 |
999.9 |
168 |
|
|
WDS 20458-4920 : COMPONENTS
20458-4920 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
204549.92-492009.2 |
|
Mag |
10.87 |
|
Spectral class |
F8 (yellow-white) |
|
PmRA |
33.00 |
|
PmDE |
-79.0 |
|
HIP |
102467 |
|
Tycho2 |
8415-00109-1 |
|
CD |
CD-4913215 |
|
CP |
CP-4911301 |
|
Tycho2 |
8415-00109-1 |
|
Pflag |
|
|
RAmdeg |
311.45799551 |
|
DEmdeg |
-49.33588619 |
|
PmRA |
32.4 |
|
PmDE |
-81.8 |
|
E RAmdeg |
36 |
|
E DEmdeg |
51 |
|
E pmRA |
2.1 |
|
E pmDE |
2.0 |
|
EpRAm |
1988.39 |
|
EpDEm |
1983.97 |
|
Num |
3 |
|
Q RAmdeg |
2.1 |
|
Q DEmdeg |
0.6 |
|
Q pmRA |
2.1 |
|
Q pmDE |
0.6 |
|
BTmag |
11.372 |
|
E BTmag |
0.074 |
|
VTmag |
10.870 |
|
E VTmag |
0.075 |
|
Prox |
119 |
|
TYC |
T |
|
HIP |
102467 |
|
CCDM |
A |
|
RAdeg |
311.45788278 |
|
DEdeg |
-49.33569861 |
|
EpRA 1990 |
1.83 |
|
EpDE 1990 |
1.75 |
|
E RAdeg |
37.1 |
|
E DEdeg |
53.2 |
|
Posflg |
|
|
Corr |
-0.1 |
|
Catalog |
H |
|
HIP |
102467 |
|
Proxy |
|
|
RAhms |
20 45 49.88 |
|
DEdms |
-49 20 08.5 |
|
Vmag |
10.83 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
311.458 |
|
DEdeg |
-49.3357 |
|
AstroRef |
A |
|
Plx |
2.13 |
|
CCDM |
20458-4920 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
1 |
|
MultFlag |
C |
|
Source |
P |
|
Qual |
B |
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
|
|
BD |
|
|
CD |
CD-4913215 |
|
CP |
CP-4911301 |
|
Dm number |
-4913215 |
|
VIred |
0.68 |
|
SpType |
F8 |
|
R SpType |
|
|
Coord arcsec 2000 |
204549.88-492008.5 |
|
HIP |
102467 |
|
Sn |
95 |
|
So |
3 |
|
Nc |
1 |
|
RArad |
5.4359647037 |
|
DErad |
-0.8610702536 |
|
Plx |
12.48 |
|
PmRA |
40.47 |
|
PmDE |
-79.08 |
|
E RArad |
3.33 |
|
E DErad |
2.44 |
|
E Plx |
3.75 |
|
E pmRA |
3.9 |
|
E pmDE |
2.13 |
|
Hpmag |
10.9885 |
|
E Hpmag |
0.0186 |
|
SHp |
0.05 |
|
VA |
0 |
|
BV |
0.61 |
|
E BV |
0.02 |
|
VI |
0.68 |
|
Ccdm |
20458-4920 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
1.90 |
|
DDEs |
-7.4 |
|
R dRAs |
40 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
11.0 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
-4913215 |
|
Cat1 |
CD |
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
* |
|
IDS |
20387S4942A |
|
HIC |
102467 |
|
20458-4920 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
204549.14-492004.0 |
|
Mag |
13.66 |
|
PmRA |
132.00 |
|
PmDE |
-71.0 |
|
HIP |
102465 |
|
Calc delta mag |
2.79 |
|
Calc coord |
yes |
|
Catalog |
H |
|
HIP |
102465 |
|
Proxy |
|
|
RAhms |
20 45 48.73 |
|
DEdms |
-49 20 05.0 |
|
Vmag |
13.51 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
311.453 |
|
DEdeg |
-49.3347 |
|
AstroRef |
B |
|
Plx |
-2.2 |
|
CCDM |
20458-4920 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
1 |
|
MultFlag |
C |
|
Source |
I |
|
Qual |
B |
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
|
|
BD |
|
|
CD |
|
|
CP |
|
|
Dm number |
|
|
VIred |
0.74 |
|
SpType |
|
|
R SpType |
|
|
Coord arcsec 2000 |
204548.73-492005.0 |
|
HIP |
102465 |
|
Sn |
95 |
|
So |
3 |
|
Nc |
1 |
|
RArad |
5.43588119 |
|
DErad |
-0.8610531702 |
|
Plx |
13.18 |
|
PmRA |
30.12 |
|
PmDE |
-81.21 |
|
E RArad |
7.34 |
|
E DErad |
5.29 |
|
E Plx |
8.24 |
|
E pmRA |
8.32 |
|
E pmDE |
4.6 |
|
Hpmag |
13.665 |
|
E Hpmag |
0.2045 |
|
SHp |
0 |
|
VA |
0 |
|
BV |
0 |
|
E BV |
0 |
|
VI |
0 |
|
Ccdm |
20458-4920 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
RSU |
|
DRAs |
0.70 |
|
DDEs |
-4.7 |
|
R dRAs |
40 |
|
Year |
1975 |
|
Theta |
283 |
|
Rho |
12.1 |
|
Obs |
1 |
|
Vmag |
12.0 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
* |
|
IDS |
20387S4942B |
|
HIC |
102465 |
|