03236-4005 I 468 (HD 21175)
03h 23m 35.23s -40° 04' 35.4" P.A. 127.00 sep 2.8 mag 6.80,11.00 Sp K0V dist. 17.42 pc (56.82 l.y.)
Coord 2000 |
03236-4005 |
|
Discov num |
I 468 |
|
Comp |
|
|
Coord arcsec 2000 |
03 23 35.23 -40 04 35.4 |
|
Date first |
1909 |
|
Date last |
2021 |
|
Obs |
24 |
|
Pa first |
210 |
|
Pa last |
127.1 |
|
P.A. Now (θ) |
127.1° |
|
Sep first |
2.0 |
|
Sep last |
2.849 |
|
Sep. Now (ρ) |
2.849" |
|
Mag pri |
6.80 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
4.2 |
|
Spectral class |
K0V (yellow-orange) |
|
Pri motion ra |
+073 |
|
Sec motion ra |
|
|
Pri motion dec |
-026 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 21175 |
|
Constellation |
Eridanus |
|
SAO |
216292 |
|
HIP |
15799 |
|
Tycho2 |
7571-00425-1 |
|
Gaia DR2 |
4852870701504645376 |
|
HD |
21175 |
|
GC |
4061 |
|
GL |
NN 3222A |
|
CD |
CD-40 898 |
|
CP |
CP-40 310 |
|
Distance |
17.42 |
|
Distance ly |
56.82 |
|
ORBITAL ELEMENTS
Period (P) | 217.702y | ± 31.3008 |
Periastron (T) | 1970.7215y | ± 1.4622 |
Semi-major axis (a) | 2.32852a | ± 0.10837 |
Eccentricity (e) | 0.48485 | ± 0.06404 |
Inclination (i) | 41.816° | ± 3.627 |
Longitude of periastron (ω) | 230.607° | ± 13.28 |
Node (Ω) | 121.616° | ± 11.983 |
Notes | n | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
103.2 |
1.964 |
2001 |
104.6 |
2.010 |
2002 |
106.0 |
2.055 |
2003 |
107.4 |
2.098 |
2004 |
108.7 |
2.140 |
2005 |
110.0 |
2.182 |
2006 |
111.2 |
2.222 |
2007 |
112.3 |
2.261 |
2008 |
113.5 |
2.299 |
2009 |
114.5 |
2.336 |
2010 |
115.6 |
2.371 |
2011 |
116.6 |
2.406 |
2012 |
117.6 |
2.440 |
2013 |
118.6 |
2.472 |
2014 |
119.5 |
2.504 |
2015 |
120.4 |
2.534 |
2016 |
121.3 |
2.564 |
2017 |
122.2 |
2.593 |
2018 |
123.1 |
2.620 |
2019 |
123.9 |
2.647 |
2020 |
124.8 |
2.673 |
2021 |
125.6 |
2.698 |
2022 |
126.4 |
2.721 |
2023 |
127.1 |
2.744 |
2024 |
127.9 |
2.767 |
2025 |
128.7 |
2.788 |
2026 |
129.4 |
2.808 |
2027 |
130.2 |
2.828 |
2028 |
130.9 |
2.847 |
2029 |
131.6 |
2.865 |
2030 |
132.3 |
2.882 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 03236-4005 I 468 (HD 21175) : NOTES
discov_num |
notes |
refcode |
I 468 |
glimpsed? |
I__1948a |
|
Soderhjelm (1999) gives possible orbit from two widely spaced visual |
Sod1999 |
|
observations + Hipparcos data. |
|
REFERENCES
refcode |
metd |
author |
reference |
I__1948a |
Ma - |
Innes, R.T.A. |
1948CiUO..106..193I |
I__1948a |
+Po |
Union Obs. Johannesburg Circ. 106, 193, 1948 |
|
Izm2019 |
orb u |
Izmailov, I.S. |
2019AstL...45...30I |
Izm2019 |
|
Ast. Lett. 45, 30, 2019 |
|
Izm2019 |
|
(Orbital elements from weighted solutions used when available (Table 2), |
|
Izm2019 |
|
unweighted elements (Table 1) used for remaining 29 systems.) |
|
Sod1999 |
orb - |
Soderhjelm, S. |
1999A&A...341..121S |
Sod1999 |
|
A&A 341, 121, 1999 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
I |
Innes, R.T.A. |
5 |
I |
MNRAS 57, 533, 1897 (data also in I__1897b, |
5 |
I |
I__1897c) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
03236-4005 |
I 468 |
|
1965 |
3 |
325 |
1.3 |
6.80 |
11.00 |
K0V |
NO |
032335.23-400435.4 |
03236-4005 |
I 468 |
|
2008 |
4 |
113 |
2.3 |
6.80 |
11.00 |
K0V |
NO |
032335.23-400435.4 |
03236-4005 |
I 468 |
|
2010 |
5 |
116 |
2.4 |
6.80 |
11.00 |
K0V |
NO |
032335.23-400435.4 |
03236-4005 |
I 468 |
|
2015 |
8 |
121 |
2.6 |
6.80 |
11.00 |
K0V |
NO |
032335.23-400435.4 |
03236-4005 |
I 468 |
|
2017 |
11 |
124 |
2.7 |
6.80 |
11.00 |
K0V |
NO |
032335.23-400435.4 |
03236-4005 |
I 468 |
|
2018 |
13 |
125 |
2.7 |
6.80 |
11.00 |
K0V |
NO |
032335.23-400435.4 |
03236-4005 |
I 468 |
|
2019 |
17 |
126 |
2.8 |
6.80 |
11.00 |
K0V |
NO |
032335.23-400435.4 |
03236-4005 |
I 468 |
|
2020 |
19 |
126 |
2.8 |
6.80 |
11.00 |
K0V |
NO |
032335.23-400435.4 |
03236-4005 |
I 468 |
|
2021 |
24 |
127 |
2.8 |
6.80 |
11.00 |
K0V |
NO |
032335.23-400435.4 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 03236-4005 I 468 (HD 21175) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 03236-4005 I 468 (HD 21175) : MEASURES
No records found.
WDS 03236-4005 (HD 21175) : 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 03236-4005 (HD 21175) : ALADIN DSS IMAGE @ 03h 23m 35.23s -40° 04' 35.4"
WDS 03236-4005 I 468 (HD 21175) : 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 |
|
03236-4005 |
I 468 |
|
127 |
2.8 |
1 |
Show |
|
03233-4027 |
TOI2335 |
AB |
55 |
3.8 |
23 |
Show |
|
03218-4045 |
TDS2529 |
|
167 |
0.5 |
45 |
Show |
|
03285-4009 |
WG 19 |
|
354 |
6.3 |
58 |
Show |
|
03177-4020 |
I 467 |
|
122 |
2.4 |
69 |
Show |
|
03270-3901 |
TDS2550 |
|
184 |
1.0 |
75 |
Show |
|
03223-4119 |
I 151 |
|
191 |
0.8 |
76 |
Show |
|
03257-4120 |
I 1484 |
|
308 |
3.1 |
79 |
Show |
|
03274-4113 |
TOK 819 |
|
269 |
0.1 |
81 |
Show |
|
03285-4112 |
NSN 200 |
|
264 |
5.0 |
88 |
Show |
|
03221-4131 |
I 1483 |
|
39 |
2.3 |
89 |
Show |
|
03313-3951 |
KPP2825 |
|
94 |
0.9 |
90 |
Show |
|
03224-3832 |
TDS2532 |
|
283 |
0.4 |
94 |
Show |
|
03227-3828 |
B 1448 |
|
249 |
3.6 |
98 |
Show |
|
03317-4041 |
UC 1018 |
|
19 |
16.7 |
100 |
Show |
|
03209-4142 |
UC 989 |
|
212 |
8.0 |
103 |
Show |
|
03271-3827 |
SHN 79 |
|
98 |
1.2 |
106 |
Show |
|
03261-3822 |
B 1450 |
|
186 |
1.9 |
107 |
Show |
|
03317-4100 |
UC 1019 |
|
11 |
51.6 |
109 |
Show |
|
03256-3819 |
HDS 429 |
|
230 |
0.3 |
109 |
Show |
|
03331-4040 |
TDS2575 |
|
98 |
1.1 |
115 |
Show |
|
03252-3807 |
UC 1004 |
|
305 |
28.2 |
119 |
Show |
|
03182-3823 |
HDS 415 |
|
313 |
0.5 |
120 |
Show |
|
03145-4130 |
TDS 107 |
|
26 |
1.2 |
134 |
Show |
|
03353-4020 |
TSN 111 |
|
122 |
999.9 |
135 |
Show |
|
03271-3753 |
COO 19 |
|
311 |
12.8 |
138 |
Show |
|
03139-3840 |
WG 18 |
AB |
105 |
4.3 |
142 |
Show |
|
03107-4023 |
LDS9144 |
|
178 |
56.4 |
148 |
Show |
|
03301-4220 |
DON1062 |
|
147 |
4.7 |
154 |
Show |
|
03286-3742 |
TDS2556 |
|
20 |
0.6 |
155 |
Show |
|
03371-4054 |
B 1454 |
|
333 |
1.6 |
162 |
Show |
|
03186-4239 |
I 56 |
|
257 |
3.9 |
164 |
Show |
|
03168-4232 |
I 466 |
AB |
347 |
1.2 |
166 |
Show |
|
03168-4232 |
I 466 |
AC |
143 |
31.3 |
166 |
Show |
|
03161-3742 |
KIR 9 |
|
229 |
26.2 |
168 |
Show |
|
03299-4238 |
EHR 4 |
|
301 |
5.2 |
170 |
Show |
|
03128-3807 |
B 1445 |
|
311 |
0.8 |
172 |
Show |
|
03161-3736 |
TDS2508 |
|
206 |
1.0 |
173 |
Show |
|
03383-3911 |
UC 1036 |
|
208 |
24.9 |
179 |
Show |
|
03093-4123 |
DAM1297 |
|
230 |
2.6 |
181 |
Show |
|
03153-4243 |
I 463 |
|
125 |
0.6 |
184 |
Show |
|
03398-4022 |
DUN 15 |
|
327 |
7.5 |
186 |
Show |
|
03087-4122 |
I 54 |
|
134 |
0.9 |
187 |
Show |
|
03128-4226 |
DON 47 |
|
294 |
0.7 |
187 |
Show |
|
03249-4313 |
CBL 121 |
|
192 |
26.7 |
189 |
Show |
|
03139-4244 |
TDS2488 |
|
239 |
0.7 |
194 |
Show |
|
03408-4010 |
NSN 201 |
|
256 |
1.1 |
198 |
Show |
|
03169-4313 |
RST5199 |
|
59 |
0.5 |
203 |
Show |
|
03412-4046 |
ARY 90 |
AB |
294 |
78.2 |
205 |
Show |
|
03412-4046 |
SKF2462 |
AC |
196 |
13.0 |
205 |
Show |
|
03404-3849 |
KPP3536 |
|
131 |
1.8 |
209 |
|
|
WDS 03236-4005 : COMPONENTS
03236-4005 A
Componente originario normalizzato |
AB |
|
Name |
HD 21175 |
|
Coord arcsec 2000 |
032335.23-400435.4 |
|
Mag |
6.8 |
|
Spectral class |
K0V (yellow-orange) |
|
PmRA |
73.00 |
|
PmDE |
-26.0 |
|
SAO |
216292 |
|
HIP |
15799 |
|
Tycho2 |
7571-00425-1 |
|
HD |
21175 |
|
GC |
4061 |
|
CD |
CD-40 898 |
|
CP |
CP-40 310 |
|
Tycho2 |
7571-00425-1 |
|
Pflag |
X |
|
RAmdeg |
|
|
DEmdeg |
|
|
PmRA |
|
|
PmDE |
|
|
E RAmdeg |
|
|
E DEmdeg |
|
|
E pmRA |
|
|
E pmDE |
|
|
EpRAm |
|
|
EpDEm |
|
|
Num |
|
|
Q RAmdeg |
|
|
Q DEmdeg |
|
|
Q pmRA |
|
|
Q pmDE |
|
|
BTmag |
7.999 |
|
E BTmag |
0.016 |
|
VTmag |
7.010 |
|
E VTmag |
0.010 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
15799 |
|
CCDM |
|
|
RAdeg |
50.89679667 |
|
DEdeg |
-40.07648556 |
|
EpRA 1990 |
1.62 |
|
EpDE 1990 |
1.70 |
|
E RAdeg |
4.2 |
|
E DEdeg |
4.0 |
|
Posflg |
|
|
Corr |
0.0 |
|
SAO |
216292 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0088 |
|
DE1950 |
|
|
PmDE1950 |
0.003 |
|
Vmag |
6.8 |
|
SpType |
G0 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
4061 |
|
DM |
CD-40 898 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
21175 |
|
M HD |
0 |
|
GC |
4061 |
|
RA1950rad |
0.88030581 |
|
DE1950rad |
-0.70254174 |
|
PmRA2000 |
0.0094 |
|
PmDE2000 |
-0.001 |
|
Catalog |
H |
|
HIP |
15799 |
|
Proxy |
|
|
RAhms |
03 23 35.23 |
|
DEdms |
-40 04 35.4 |
|
Vmag |
6.9 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
50.8968 |
|
DEdeg |
-40.0765 |
|
AstroRef |
|
|
Plx |
58.53 |
|
CCDM |
03236-4005 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
1 |
|
MultFlag |
X |
|
Source |
|
|
Qual |
S |
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
21175 |
|
BD |
|
|
CD |
CD-40 898 |
|
CP |
CP-40 310 |
|
Dm number |
-40 898 |
|
VIred |
0.86 |
|
SpType |
K0V |
|
R SpType |
|
|
Coord arcsec 2000 |
032335.23-400435.4 |
|
HIP |
15799 |
|
Sn |
1 |
|
So |
2 |
|
Nc |
1 |
|
RArad |
0.8883166143 |
|
DErad |
-0.6994667351 |
|
Plx |
57.4 |
|
PmRA |
40.76 |
|
PmDE |
43.06 |
|
E RArad |
0.48 |
|
E DErad |
0.5 |
|
E Plx |
0.67 |
|
E pmRA |
0.61 |
|
E pmDE |
0.62 |
|
Hpmag |
7.0457 |
|
E Hpmag |
0.0009 |
|
SHp |
0.009 |
|
VA |
0 |
|
BV |
0.84 |
|
E BV |
0.01 |
|
VI |
0.88 |
|
Ccdm |
03236-4005 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-0.57 |
|
DDEs |
23.9 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
6.8 |
|
Sp |
G0 |
|
PmNote |
* |
|
PmRA |
75 |
|
PmDE |
-13 |
|
Dm number |
-40 898 |
|
Cat1 |
CD |
|
Name2 |
216292 |
|
Cat2 |
SAO |
|
HD |
21175 |
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
03199S4026A |
|
HIC |
15799 |
|
03236-4005 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
032335.38-400437.1 |
|
Mag |
11 |
|
Calc delta mag |
4.2 |
|
Calc coord |
yes |
|
Ccdm |
03236-4005 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
I 468 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1927 |
|
Theta |
221 |
|
Rho |
2.1 |
|
Obs |
1 |
|
Vmag |
11.0 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
03199S4026B |
|
HIC |
15799 |
|