03261+1229 A 829 (HD 21261)
03h 26m 08.81s +12° 28' 54.7" P.A. 56.00 sep 0.4 mag 8.82,10.38 Sp G0 dist. 68.73 pc (224.2 l.y.)
Coord 2000 |
03261+1229 |
|
Discov num |
A 829 |
|
Comp |
|
|
Coord arcsec 2000 |
03 26 08.81 +12 28 54.7 |
|
Date first |
1904 |
|
Date last |
2003 |
|
Obs |
24 |
|
Pa first |
41 |
|
Pa last |
56 |
|
P.A. Now (θ) |
34° |
|
Sep first |
0.3 |
|
Sep last |
0.387 |
|
Sep. Now (ρ) |
0.428" |
|
Mag pri |
8.82 |
|
Mag sec |
10.38 |
|
delta mag (ΔM) |
1.56 |
|
Spectral class |
G0 (yellow) |
|
Pri motion ra |
-072 |
|
Sec motion ra |
|
|
Pri motion dec |
-023 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 21261 |
|
Constellation |
Taurus |
|
SAO |
93433 |
|
HIP |
16008 |
|
Tycho2 |
0653-00556-1 |
|
Gaia DR2 |
16823940949244160 |
|
HD |
21261 |
|
ADS |
2531 |
|
BD |
BD+11 474 |
|
Distance |
68.73 |
|
Distance ly |
224.2 |
|
ORBITAL ELEMENTS
Period (P) | 111.38y | ± 3.93 |
Periastron (T) | 1985.1y | ± 0.79 |
Semi-major axis (a) | 0.417a | ± 0.012 |
Eccentricity (e) | 0.743 | ± 0.018 |
Inclination (i) | 120.6° | ± 2 |
Longitude of periastron (ω) | 77.2° | ± 1.9 |
Node (Ω) | 260.1° | ± 2.4 |
Notes | n | |
Reference | Hrt2008 | |
Equinox | 2000 | |
Last observation | 2003 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
60.0 |
0.364 |
2001 |
58.6 |
0.372 |
2002 |
57.3 |
0.380 |
2003 |
56.0 |
0.386 |
2004 |
54.7 |
0.392 |
2005 |
53.5 |
0.398 |
2006 |
52.3 |
0.403 |
2007 |
51.1 |
0.407 |
2008 |
50.0 |
0.411 |
2009 |
48.8 |
0.414 |
2010 |
47.7 |
0.417 |
2011 |
46.6 |
0.420 |
2012 |
45.5 |
0.422 |
2013 |
44.5 |
0.424 |
2014 |
43.4 |
0.425 |
2015 |
42.4 |
0.427 |
2016 |
41.3 |
0.428 |
2017 |
40.3 |
0.428 |
2018 |
39.2 |
0.429 |
2019 |
38.2 |
0.429 |
2020 |
37.1 |
0.429 |
2021 |
36.1 |
0.429 |
2022 |
35.1 |
0.429 |
2023 |
34.0 |
0.428 |
2024 |
33.0 |
0.427 |
2025 |
31.9 |
0.426 |
2026 |
30.9 |
0.425 |
2027 |
29.8 |
0.424 |
2028 |
28.7 |
0.423 |
2029 |
27.7 |
0.421 |
2030 |
26.6 |
0.419 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
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|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 03261+1229 A 829 (HD 21261) : NOTES
discov_num |
notes |
refcode |
A 829 |
Probably ambiguous case, but only one solution has been tested. |
|
REFERENCES
refcode |
metd |
author |
reference |
Hrt2008 |
Su j |
Hartkopf, W.I., Mason, B.D., & Rafferty, T. |
2008AJ....135.1334H |
Hrt2008 |
+orb |
AJ 135, 1334, 2008 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
A |
Aitken, R.G. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
03261+1229 |
A 829 |
|
2003 |
24 |
56 |
0.4 |
8.82 |
10.38 |
G0 |
NO |
032608.81+122854.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 03261+1229 A 829 (HD 21261) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 03261+1229 A 829 (HD 21261) : MEASURES
No records found.
WDS 03261+1229 (HD 21261) : 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 03261+1229 (HD 21261) : ALADIN DSS IMAGE @ 03h 26m 08.81s +12° 28' 54.7"
WDS 03261+1229 A 829 (HD 21261) : 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 |
|
03261+1229 |
A 829 |
|
56 |
0.4 |
1 |
Show |
|
03261+1205 |
HEI 450 |
|
52 |
1.7 |
24 |
Show |
|
03242+1238 |
OCC1020 |
AB |
-1 |
0.1 |
31 |
Show |
|
03253+1158 |
BPM 74 |
|
168 |
27.7 |
34 |
Show |
|
03248+1311 |
GWP 465 |
|
73 |
14.0 |
47 |
Show |
|
03295+1248 |
SKF 267 |
|
130 |
11.1 |
54 |
Show |
|
03272+1325 |
HEI 313 |
|
99 |
0.2 |
58 |
Show |
|
03264+1131 |
SKF1431 |
|
313 |
4.1 |
59 |
Show |
|
03301+1258 |
BPMA 6 |
|
181 |
162.9 |
65 |
Show |
|
03303+1254 |
HDS 438 |
|
167 |
0.4 |
66 |
Show |
|
03286+1123 |
BU 879 |
|
71 |
24.5 |
75 |
Show |
|
03280+1114 |
SKF1432 |
|
237 |
2.3 |
80 |
Show |
|
03209+1210 |
GWP 453 |
|
215 |
53.8 |
80 |
Show |
|
03231+1339 |
UC 998 |
|
170 |
9.8 |
83 |
Show |
|
03301+1123 |
HDS 437 |
|
3 |
1.1 |
88 |
Show |
|
03239+1350 |
OCC 626 |
|
-1 |
0.1 |
88 |
Show |
|
03324+1222 |
HDS 448 |
|
301 |
0.4 |
93 |
Show |
|
03266+1406 |
BPM 75 |
|
24 |
119.5 |
98 |
Show |
|
03312+1335 |
GWP 475 |
AB |
155 |
78.8 |
99 |
Show |
|
03317+1331 |
BPM 77 |
|
97 |
85.9 |
103 |
Show |
|
03201+1135 |
LDS3478 |
|
27 |
17.1 |
105 |
Show |
|
03322+1133 |
AG 68 |
|
249 |
16.9 |
106 |
Show |
|
03212+1347 |
HDS 420 |
|
267 |
6.2 |
107 |
Show |
|
03321+1330 |
LDS3503 |
|
195 |
32.5 |
108 |
Show |
|
03328+1127 |
HDS 449 |
|
117 |
5.1 |
115 |
Show |
|
03200+1347 |
GWP 451 |
|
272 |
6.1 |
119 |
Show |
|
03227+1037 |
GIC 41 |
BC |
263 |
186.7 |
120 |
Show |
|
03203+1352 |
KPP3519 |
|
180 |
1.8 |
120 |
Show |
|
03227+1037 |
GIC 41 |
AB |
9 |
170.1 |
123 |
Show |
|
03227+1037 |
GIC 41 |
AC |
312 |
213.1 |
123 |
Show |
|
03240+1028 |
LSC 25 |
|
284 |
0.6 |
126 |
Show |
|
03213+1038 |
HEI 449 |
|
53 |
0.3 |
132 |
Show |
|
03318+1412 |
LDS3500 |
|
319 |
34.5 |
133 |
Show |
|
03171+1145 |
GRV 169 |
|
298 |
15.1 |
139 |
Show |
|
03352+1146 |
GWP 482 |
|
105 |
24.5 |
140 |
Show |
|
03279+1451 |
NI 6 |
|
301 |
3.9 |
145 |
Show |
|
03263+1455 |
KPP 98 |
|
44 |
4.9 |
146 |
Show |
|
03245+1003 |
UC 45 |
|
261 |
51.7 |
149 |
Show |
|
03162+1302 |
BPMA 5 |
AB |
2 |
230.3 |
150 |
Show |
|
03162+1302 |
DAM1300 |
Aa,Ab |
338 |
2.1 |
150 |
Show |
|
03349+1105 |
KPP 696 |
|
32 |
6.2 |
155 |
Show |
|
03276+0956 |
CFN 3 |
|
297 |
1.5 |
155 |
Show |
|
03365+1306 |
GWP 485 |
|
263 |
7.5 |
157 |
Show |
|
03161+1138 |
WIS 87 |
|
139 |
682.2 |
157 |
Show |
|
03276+0954 |
J 305 |
|
113 |
0.9 |
157 |
Show |
|
03256+1508 |
LDS3491 |
|
274 |
2.9 |
161 |
Show |
|
03235+1507 |
SKF1393 |
Aa,Ab |
244 |
1.5 |
163 |
Show |
|
03235+1507 |
CLZ 21 |
AB |
185 |
67.7 |
163 |
Show |
|
03272+0944 |
HDS 433 |
AB |
267 |
0.6 |
166 |
Show |
|
03272+0944 |
MKT 15 |
Aa,Ab |
337 |
0.0 |
166 |
Show |
|
03368+1338 |
HEI 213 |
|
215 |
0.8 |
171 |
|
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WDS 03261+1229 : COMPONENTS
03261+1229 A
Componente originario normalizzato |
AB |
|
Name |
HD 21261 |
|
Coord arcsec 2000 |
032608.81+122854.7 |
|
Mag |
8.82 |
|
Spectral class |
G0 (yellow) |
|
PmRA |
-72.00 |
|
PmDE |
-23.0 |
|
SAO |
93433 |
|
HIP |
16008 |
|
Tycho2 |
0653-00556-1 |
|
HD |
21261 |
|
ADS |
2531 |
|
BD |
BD+11 474 |
|
Tycho2 |
0653-00556-1 |
|
Pflag |
|
|
RAmdeg |
51.53653517 |
|
DEmdeg |
12.48180871 |
|
PmRA |
-72.1 |
|
PmDE |
-24.0 |
|
E RAmdeg |
8 |
|
E DEmdeg |
9 |
|
E pmRA |
1.4 |
|
E pmDE |
1.3 |
|
EpRAm |
1991.00 |
|
EpDEm |
1990.69 |
|
Num |
7 |
|
Q RAmdeg |
0.8 |
|
Q DEmdeg |
1.1 |
|
Q pmRA |
0.8 |
|
Q pmDE |
1.2 |
|
BTmag |
9.198 |
|
E BTmag |
0.020 |
|
VTmag |
8.533 |
|
E VTmag |
0.015 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
16008 |
|
CCDM |
AB |
|
RAdeg |
51.53670556 |
|
DEdeg |
12.48186361 |
|
EpRA 1990 |
1.70 |
|
EpDE 1990 |
1.65 |
|
E RAdeg |
8.3 |
|
E DEdeg |
9.3 |
|
Posflg |
P |
|
Corr |
-0.3 |
|
SAO |
93433 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0063 |
|
DE1950 |
|
|
PmDE1950 |
-0.021 |
|
Vmag |
8.5 |
|
SpType |
G0 |
|
Double code |
|
|
Source |
29 |
|
CatNum |
1008 |
|
DM |
BD+11 474 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
21261 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
0.88748777 |
|
DE1950rad |
0.21481009 |
|
PmRA2000 |
-0.0062 |
|
PmDE2000 |
-0.024 |
|
Catalog |
H |
|
HIP |
16008 |
|
Proxy |
H |
|
RAhms |
03 26 08.81 |
|
DEdms |
+12 28 54.7 |
|
Vmag |
8.46 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
51.5367 |
|
DEdeg |
12.4819 |
|
AstroRef |
* |
|
Plx |
13.68 |
|
CCDM |
03261+1229 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
78 |
|
Rho |
0.256 |
|
HD |
21261 |
|
BD |
BD+11 474 |
|
CD |
|
|
CP |
|
|
Dm number |
+11 474 |
|
VIred |
0.66 |
|
SpType |
G0 |
|
R SpType |
|
|
Coord arcsec 2000 |
032608.81+122854.7 |
|
HIP |
16008 |
|
Sn |
55 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
0.8994854186 |
|
DErad |
0.2178496774 |
|
Plx |
14.55 |
|
PmRA |
-73.81 |
|
PmDE |
-30.11 |
|
E RArad |
0.86 |
|
E DErad |
0.6 |
|
E Plx |
1.01 |
|
E pmRA |
1.51 |
|
E pmDE |
1.41 |
|
Hpmag |
8.5885 |
|
E Hpmag |
0.002 |
|
SHp |
0.013 |
|
VA |
0 |
|
BV |
0.584 |
|
E BV |
0.022 |
|
VI |
0.66 |
|
Ccdm |
03261+1229 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
2.82 |
|
DDEs |
-5.8 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
8.3 |
|
Sp |
G0 |
|
PmNote |
* |
|
PmRA |
-59 |
|
PmDE |
-24 |
|
Dm number |
+11 474 |
|
Cat1 |
BD |
|
Name2 |
+12 356 |
|
Cat2 |
AGK2/3 |
|
HD |
21261 |
|
M HD |
|
|
ADS BDS |
A 2531 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
03207N1208A |
|
HIC |
16008 |
|
03261+1229 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
032608.83+122854.9 |
|
Mag |
10.38 |
|
Calc delta mag |
1.56 |
|
Calc coord |
yes |
|
Ccdm |
03261+1229 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
* |
|
Note2 |
|
|
Discov num |
A 829 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1959 |
|
Theta |
333 |
|
Rho |
0.4 |
|
Obs |
9 |
|
Vmag |
9.8 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A 2531 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
03207N1208B |
|
HIC |
16008 |
|