20452-0331 AHD 28
20h 45m 10.58s -03° 31' 21.5" P.A. 307.00 sep 37.4 mag 10.10,10.70 Sp F9V+G2V
Coord 2000 |
20452-0331 |
|
Discov num |
AHD 28 |
|
Comp |
|
|
Coord arcsec 2000 |
20 45 10.58 -03 31 21.5 |
|
Date first |
1893 |
|
Date last |
2016 |
|
Obs |
16 |
|
Pa first |
307 |
|
Pa last |
307.4 |
|
P.A. Now (θ) |
307.4° |
|
Sep first |
37.9 |
|
Sep last |
37.372 |
|
Sep. Now (ρ) |
37.372" |
|
Mag pri |
10.10 |
|
Mag sec |
10.70 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
F9V+G2V (yellow-white/yellow) |
|
Pri motion ra |
+022 |
|
Sec motion ra |
+024 |
|
Pri motion dec |
-023 |
|
Sec motion dec |
-023 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.06 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Aquarius |
|
Tycho2 |
5182-01026-1 |
|
Gaia DR2 |
6915081995795905920 |
|
WDS 20452-0331 AHD 28 : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Ahd2010 |
Mb u |
Ahad, A. |
................... |
Ahd2010 |
|
Webb Soc., Double Star Circ. 18, 2010 |
|
Ahd2011 |
Mb u |
Ahad, A. |
................... |
Ahd2011 |
+Pa |
Webb Soc., Double Star Circ. 19, 2011 |
|
Ahd2012 |
Mb u |
Ahad, A. |
................... |
Ahd2012 |
+P+ |
Webb Soc., Double Star Circ. 20, 2012 |
|
Ahd2012 |
+C |
|
|
Ahd2012b |
Pa j |
Ahad, A. |
2012JDSO....8..247A |
Ahd2012b |
+P |
JDSO 8, 247, 2012 |
|
Ahd2012c |
Pa w |
Ahad, A. |
2012JDSO....8..332A |
Ahd2012c |
+P |
JDSO 8, 332, 2012 |
|
Ahd2013a |
Pa w |
Ahad, A. |
2013JDSO....9..122A |
Ahd2013a |
+C |
JDSO 9, 122, 2013 |
|
Ahd2013b |
C u |
Ahad, A. |
................... |
Ahd2013b |
|
Webb Soc., Double Star Circ. 21, 2013 |
|
Ahd2013c |
E2 w |
Ahad, A. |
2013JDSO....9..173A |
Ahd2013c |
|
JDSO 9, 173, 2013 |
|
Ahd2013d |
E2 u |
Ahad, A. |
2013JDSO....9..247A |
Ahd2013d |
+C |
JDSO 9, 247, 2013 |
|
Ahd2013e |
E2 w |
Ahad, A. |
2013JDSO....9..274A |
Ahd2013e |
+P |
JDSO 9, 274, 2013 |
|
Ahd2014a |
E2 j |
Ahad, A. |
2014JDSO...10..122A |
Ahd2014a |
+P |
JDSO 10, 122, 2014 |
|
Ahd2014b |
E2 u |
Ahad, A. |
2014JDSO...10..134A |
Ahd2014b |
|
JDSO 10, 134, 2014 |
|
Ahd2014d |
E2 u |
Ahad, A. |
................... |
Ahd2014d |
+Pp |
Webb Soc., Double Star Circ. 22, 2014 |
|
Ahd2014e |
E2 u |
Ahad, A. |
................... |
Ahd2014e |
|
Webb Soc., Double Star Circ. 22, 2014 |
|
Ahd2014f |
E2 u |
Ahad, A. |
2014JDSO...10..254A |
Ahd2014f |
|
JDSO 10, 254, 2014 |
|
Ahd2014g |
E2 - |
Ahad, A. |
2014JDSO...10..311A |
Ahd2014g |
+P |
JDSO 10, 311, 2014 (all data are also in Ahd2014c) |
|
Ahd2014h |
E2 w |
Ahad, A. |
2014JDSO...10..314A |
Ahd2014h |
|
JDSO 10, 314, 2014 |
|
Ahd2015a |
E2 w |
Ahad, A. |
2015JDSO...11...33A |
Ahd2015a |
+C |
JDSO 11, 33, 2015 |
|
Ahd2015b |
C u |
Ahad, A. |
2015JDSO...11...70A |
Ahd2015b |
|
JDSO 11, 70, 2015 |
|
Ahd2015c |
C - |
Ahad, A. |
2015JDSO...11...78A |
Ahd2015c |
|
JDSO 11, 78, 2015 |
|
Ahd2015d |
C u |
Ahad, A. |
................... |
Ahd2015d |
|
Webb Soc., Double Star Circ. 23, 26, 2015 |
|
Ahd2015e |
C u |
Ahad, A. |
................... |
Ahd2015e |
|
Webb Soc., Double Star Circ. 23, 30, 2015 |
|
Ahd2016a |
C u |
Ahad, A. |
2016JDSO...12..162A |
Ahd2016a |
|
JDSO 12, 162, 2016 |
|
Ahd2016b |
C u |
Ahad, A. |
2016JDSO...12..165A |
Ahd2016b |
+E2 |
JDSO 12, 165, 2016 |
|
Ahd2016b |
+Pp |
|
|
Ahd2016c |
C u |
Ahad, A. |
................... |
Ahd2016c |
|
Webb Soc., Double Star Circ. 24, 22, 2016 |
|
Ahd2020 |
Hg j |
Ahad, A. |
. |
Ahd2020 |
|
Webb Soc., Double Star Circ. 28, 43, 2020 |
|
Ahd2020b |
C u |
Ahad, A. |
2020JDSO...16..304A |
Ahd2020b |
+E2 |
JDSO 16, 304, 2020 |
|
Ahd2020b |
+Pp |
|
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20452-0331 |
AHD 28 |
|
2010 |
7 |
307 |
37.4 |
10.10 |
10.70 |
F9V+G2V |
V |
204510.58-033121.5 |
20452-0331 |
AHD 28 |
|
2015 |
13 |
307 |
37.5 |
10.10 |
10.70 |
F9V+G2V |
V |
204510.58-033121.5 |
20452-0331 |
AHD 28 |
|
2016 |
16 |
307 |
37.4 |
10.10 |
10.70 |
F9V+G2V |
V |
204510.58-033121.5 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20452-0331 AHD 28 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20452-0331 AHD 28 : MEASURES
No records found.
WDS 20452-0331 : 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 20452-0331 : ALADIN DSS IMAGE @ 20h 45m 10.58s -03° 31' 21.5"
WDS 20452-0331 AHD 28 : 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 |
|
20452-0331 |
AHD 28 |
|
307 |
37.4 |
|
Show |
|
20455-0332 |
AHD 29 |
|
137 |
20.9 |
5 |
Show |
|
20463-0258 |
LDS 724 |
|
135 |
74.9 |
39 |
Show |
|
20424-0323 |
RST4678 |
|
349 |
2.8 |
42 |
Show |
|
20474-0359 |
TDT2540 |
|
63 |
0.6 |
44 |
Show |
|
20423-0344 |
KPP 476 |
|
141 |
3.9 |
46 |
Show |
|
20421-0336 |
RST4677 |
|
122 |
4.4 |
46 |
Show |
|
20473-0408 |
LDS4858 |
|
11 |
17.3 |
49 |
Show |
|
20469-0417 |
J 1709 |
|
216 |
8.3 |
50 |
Show |
|
20481-0302 |
A 174 |
|
357 |
0.6 |
53 |
Show |
|
20453-0239 |
BRT 506 |
|
277 |
4.1 |
53 |
Show |
|
20456-0426 |
OCC9021 |
|
273 |
0.0 |
56 |
Show |
|
20481-0410 |
J 1710 |
|
205 |
8.5 |
57 |
Show |
|
20482-0255 |
TDT2549 |
|
181 |
2.0 |
58 |
Show |
|
20428-0418 |
UC 4265 |
|
32 |
50.1 |
59 |
Show |
|
20492-0302 |
RST4682 |
|
2 |
0.9 |
67 |
Show |
|
20425-0233 |
WRH 13 |
|
101 |
1.8 |
71 |
Show |
|
20405-0349 |
RST4674 |
|
118 |
5.1 |
73 |
Show |
|
20417-0424 |
BU 267 |
|
237 |
1.9 |
74 |
Show |
|
20418-0430 |
HJ 921 |
|
220 |
9.4 |
78 |
Show |
|
20458-0454 |
UC 4282 |
AB |
209 |
41.1 |
84 |
Show |
|
20494-0235 |
WRH 14 |
|
193 |
2.2 |
86 |
Show |
|
20512-0401 |
UC 4308 |
|
49 |
15.9 |
95 |
Show |
|
20489-0214 |
HO 142 |
AB |
8 |
1.0 |
96 |
Show |
|
20489-0214 |
HO 142 |
AC |
290 |
21.3 |
96 |
Show |
|
20419-0458 |
RST4676 |
|
188 |
0.3 |
100 |
Show |
|
20447-0511 |
HJ 924 |
|
85 |
8.1 |
101 |
Show |
|
20402-0222 |
KPP4209 |
AB |
250 |
2.2 |
102 |
Show |
|
20523-0324 |
CVR 876 |
|
284 |
10.8 |
108 |
Show |
|
20411-0201 |
GWP2983 |
|
178 |
12.8 |
110 |
Show |
|
20450-0140 |
LDS 722 |
|
266 |
25.1 |
111 |
Show |
|
20375-0303 |
J 1775 |
AB |
352 |
4.1 |
118 |
Show |
|
20375-0303 |
BRT 505 |
AC |
36 |
8.8 |
118 |
Show |
|
20375-0303 |
J 1775 |
AD |
249 |
18.3 |
118 |
Show |
|
20375-0303 |
BRT 505 |
BC |
56 |
7.0 |
118 |
Show |
|
20375-0303 |
J 1775 |
BD |
238 |
19.7 |
118 |
Show |
|
20468-0527 |
KPP 478 |
|
273 |
3.8 |
119 |
Show |
|
20374-0254 |
TOR 27 |
|
233 |
2.9 |
123 |
Show |
|
20399-0155 |
UC 4249 |
|
339 |
14.0 |
125 |
Show |
|
20371-0258 |
TDT2427 |
|
92 |
1.0 |
125 |
Show |
|
20498-0146 |
TDT2566 |
|
247 |
0.8 |
126 |
Show |
|
20525-0438 |
TDS1106 |
|
252 |
1.4 |
128 |
Show |
|
20532-0240 |
BRT 508 |
|
208 |
8.2 |
131 |
Show |
|
20365-0311 |
TOR 26 |
|
75 |
16.5 |
132 |
Show |
|
20539-0323 |
RST4686 |
|
104 |
0.4 |
132 |
Show |
|
20369-0416 |
LDS1475 |
|
259 |
21.2 |
133 |
Show |
|
20367-0250 |
UC 4231 |
|
75 |
24.4 |
134 |
Show |
|
20363-0305 |
KPP1332 |
|
228 |
10.1 |
137 |
Show |
|
20441-0116 |
GWP2991 |
|
16 |
13.8 |
137 |
Show |
|
20372-0225 |
BRT 503 |
|
73 |
4.6 |
137 |
Show |
|
20534-0227 |
BRT 509 |
AB |
127 |
5.0 |
139 |
|
|
WDS 20452-0331 : COMPONENTS
20452-0331 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
204510.58-033121.5 |
|
Mag |
10.1 |
|
Spectral class |
F9V (yellow-white) |
|
PmRA |
22.00 |
|
PmDE |
-23.0 |
|
Tycho2 |
5182-01026-1 |
|
Tycho2 |
5182-01026-1 |
|
Pflag |
|
|
RAmdeg |
311.29408351 |
|
DEmdeg |
-3.52264495 |
|
PmRA |
27.5 |
|
PmDE |
-21.6 |
|
E RAmdeg |
20 |
|
E DEmdeg |
25 |
|
E pmRA |
1.6 |
|
E pmDE |
1.6 |
|
EpRAm |
1989.92 |
|
EpDEm |
1988.76 |
|
Num |
4 |
|
Q RAmdeg |
0.4 |
|
Q DEmdeg |
0.7 |
|
Q pmRA |
0.4 |
|
Q pmDE |
0.7 |
|
BTmag |
10.824 |
|
E BTmag |
0.039 |
|
VTmag |
10.227 |
|
E VTmag |
0.033 |
|
Prox |
374 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
311.29401917 |
|
DEdeg |
-3.52259250 |
|
EpRA 1990 |
1.60 |
|
EpDE 1990 |
1.25 |
|
E RAdeg |
19.7 |
|
E DEdeg |
25.0 |
|
Posflg |
|
|
Corr |
-0.1 |
|
20452-0331 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
204508.60-033058.8 |
|
Mag |
10.7 |
|
Spectral class |
G2V (yellow) |
|
PmRA |
24.00 |
|
PmDE |
-23.0 |
|
Tycho2 |
5182-01991-1 |
|
Calc delta mag |
0.6 |
|
Calc coord |
yes |
|
Tycho2 |
5182-01991-1 |
|
Pflag |
|
|
RAmdeg |
311.28581414 |
|
DEmdeg |
-3.51633344 |
|
PmRA |
27.5 |
|
PmDE |
-20.8 |
|
E RAmdeg |
30 |
|
E DEmdeg |
37 |
|
E pmRA |
1.7 |
|
E pmDE |
1.8 |
|
EpRAm |
1988.54 |
|
EpDEm |
1986.78 |
|
Num |
4 |
|
Q RAmdeg |
2.2 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
2.4 |
|
Q pmDE |
1.0 |
|
BTmag |
11.393 |
|
E BTmag |
0.061 |
|
VTmag |
10.708 |
|
E VTmag |
0.050 |
|
Prox |
374 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
311.28574944 |
|
DEdeg |
-3.51628278 |
|
EpRA 1990 |
1.59 |
|
EpDE 1990 |
1.24 |
|
E RAdeg |
29.7 |
|
E DEdeg |
38.1 |
|
Posflg |
|
|
Corr |
-0.1 |
|