02457-3943 B 2077
02h 45m 44.77s -39° 43' 01.8" P.A. 18.00 sep 10.5 mag 7.86,15.00 Sp G3IV/V dist. 64.89 pc (211.67 l.y.)
Coord 2000 |
02457-3943 |
|
Discov num |
B 2077 |
|
Comp |
|
|
Coord arcsec 2000 |
02 45 44.77 -39 43 01.8 |
|
Date first |
1932 |
|
Date last |
1999 |
|
Obs |
2 |
|
Pa first |
37 |
|
Pa last |
18 |
|
P.A. Now (θ) |
18° |
|
Sep first |
7.0 |
|
Sep last |
10.5 |
|
Sep. Now (ρ) |
10.5" |
|
Mag pri |
7.86 |
|
Mag sec |
15.00 |
|
delta mag (ΔM) |
7.14 |
|
Spectral class |
G3IV/V (yellow) |
|
Pri motion ra |
+087 |
|
Sec motion ra |
|
|
Pri motion dec |
+049 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Eridanus |
|
SAO |
193898 |
|
HIP |
12894 |
|
Tycho2 |
7559-00884-1 |
|
Gaia DR2 |
4949308041743808384 |
|
HD |
17354 |
|
GC |
3334 |
|
CD |
CD-40 716 |
|
CP |
CP-40 230 |
|
Distance |
64.89 |
|
Distance ly |
211.67 |
|
SUSPECTED ORBITAL ELEMENTS
Identifier | 02457-3943 B 2077 A |
coord_arcsec_2000 | 024544.77-394301.8 |
Period (P) | 841d (2.3y) | ± 30 |
Periastron (T) | 48839d (1992.592y) | ± 128 |
Semi-major axis (a) | 10.1m | ± 1.4 |
Eccentricity (e) | 0.28 | ± 0.17 |
Inclination (i) | 123° | ± 8 |
Longitude of periastron (ω) | 114° | ± 100 |
Node (Ω) | 285° | ± 94 |
Notes | | |
Reference | Gln2007 | |
Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
77.0 |
0.008 |
2001-01-01 |
304.3 |
0.011 |
2002-01-01 |
111.8 |
0.008 |
2003-01-01 |
330.4 |
0.009 |
2004-01-01 |
205.5 |
0.004 |
2005-01-01 |
15.0 |
0.007 |
2006-01-01 |
274.9 |
0.009 |
2007-01-01 |
65.3 |
0.008 |
2008-01-01 |
297.9 |
0.011 |
2009-01-01 |
100.5 |
0.009 |
2010-01-01 |
321.1 |
0.009 |
2011-01-01 |
160.8 |
0.004 |
2012-01-01 |
359.1 |
0.007 |
2013-01-01 |
264.3 |
0.008 |
2014-01-01 |
51.7 |
0.007 |
2015-01-01 |
291.6 |
0.011 |
2016-01-01 |
90.4 |
0.009 |
2017-01-01 |
313.1 |
0.010 |
2018-01-01 |
132.1 |
0.006 |
2019-01-01 |
345.1 |
0.008 |
2020-01-01 |
247.7 |
0.006 |
2021-01-01 |
36.3 |
0.007 |
2022-01-01 |
284.9 |
0.010 |
2023-01-01 |
80.1 |
0.008 |
2024-01-01 |
306.1 |
0.011 |
2025-01-01 |
115.4 |
0.008 |
2026-01-01 |
333.3 |
0.008 |
2027-01-01 |
217.5 |
0.004 |
2028-01-01 |
19.7 |
0.007 |
2029-01-01 |
277.3 |
0.010 |
2030-01-01 |
68.7 |
0.008 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 02457-3943 B 2077 : NOTES
discov_num |
notes |
refcode |
B 2077 |
Astrometric orbit for primary, P=2.303y (Golden & Makarov 2007). PM(A) |
Gln2007 |
|
moves almost towards B, so the increased separation is not reflex PM. |
Tok2014d |
REFERENCES
refcode |
metd |
author |
reference |
Gln2007 |
orb - |
Goldin, A. & Makarov, V.V. |
2007ApJS..173..137G |
Gln2007 |
|
ApJS 173, 137, 2007 |
|
Gln2007 |
|
(Note: Astrometric orbits based on merged NDAC and FAST reductions of Hipparcos |
|
Gln2007 |
|
data. Values of T0 are relative to 1991.25 = JD 2448349.0625) |
|
Tok2014d |
E2 - |
Tokovinin, A. |
2014AJ....147...86T |
Tok2014d |
|
AJ 147, 86, 2014 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
B |
van den Bos, W.H. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
02457-3943 |
B 2077 |
|
1932 |
1 |
37 |
7.0 |
8.00 |
15.00 |
G3IV/V |
|
024544.77-394301.8 |
02457-3943 |
B 2077 |
|
1999 |
2 |
18 |
10.5 |
8.00 |
15.00 |
G3IV/V |
NO |
024544.77-394301.8 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 02457-3943 B 2077 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 02457-3943 B 2077 : MEASURES
No records found.
WDS 02457-3943 : 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 02457-3943 : ALADIN DSS IMAGE @ 02h 45m 44.77s -39° 43' 01.8"
WDS 02457-3943 B 2077 : 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 |
|
02457-3943 |
B 2077 |
|
18 |
10.5 |
|
Show |
|
02485-4001 |
KPP1239 |
|
30 |
9.5 |
37 |
Show |
|
02429-3959 |
LDS3421 |
|
292 |
10.6 |
37 |
Show |
|
02501-3938 |
KPP 627 |
|
181 |
5.7 |
51 |
Show |
|
02453-4034 |
WG 16 |
|
353 |
9.3 |
52 |
Show |
|
02433-4032 |
HJ 3527 |
AB |
41 |
2.3 |
56 |
Show |
|
02433-4032 |
ARY 95 |
AC |
80 |
132.8 |
56 |
Show |
|
02508-3956 |
HDS 368 |
Aa,Ab |
223 |
0.3 |
60 |
Show |
|
02508-3956 |
SHY 427 |
AB |
114 |
999.9 |
60 |
Show |
|
02503-4017 |
HJ 3537 |
|
31 |
15.9 |
63 |
Show |
|
02504-3906 |
KPP1660 |
|
263 |
12.8 |
66 |
Show |
|
02396-3958 |
I 53 |
|
330 |
3.7 |
73 |
Show |
|
02437-3831 |
LDS3425 |
|
99 |
18.9 |
77 |
Show |
|
02454-4101 |
BRT 651 |
|
209 |
8.8 |
79 |
Show |
|
02514-4034 |
KPP 897 |
|
289 |
7.5 |
83 |
Show |
|
02409-3839 |
HDS 350 |
|
42 |
0.9 |
86 |
Show |
|
02382-4002 |
I 459 |
|
95 |
1.5 |
89 |
Show |
|
02497-3825 |
LDS3431 |
AB |
184 |
3.8 |
91 |
Show |
|
02456-4114 |
CPO 30 |
|
33 |
2.2 |
91 |
Show |
|
02499-3821 |
TVB 40 |
|
67 |
4.7 |
95 |
Show |
|
02434-3756 |
TOK 187 |
|
203 |
0.3 |
111 |
Show |
|
02372-4036 |
WG 14 |
|
252 |
3.0 |
112 |
Show |
|
02536-3826 |
TOK 652 |
|
222 |
560.9 |
120 |
Show |
|
02486-4139 |
WIS 74 |
|
154 |
788.2 |
121 |
Show |
|
02383-4110 |
HDS 344 |
|
298 |
0.2 |
122 |
Show |
|
02566-3927 |
COO 17 |
|
190 |
3.3 |
127 |
Show |
|
02527-4124 |
I 412 |
|
288 |
20.3 |
129 |
Show |
|
02558-3839 |
B 679 |
|
54 |
2.2 |
134 |
Show |
|
02413-3735 |
KPP3497 |
|
304 |
1.7 |
139 |
Show |
|
02398-4144 |
TDS2324 |
|
223 |
1.9 |
139 |
Show |
|
02336-3944 |
RST1242 |
|
356 |
4.4 |
141 |
Show |
|
02486-3724 |
HJ 3532 |
|
144 |
5.3 |
144 |
Show |
|
02444-4206 |
UC 794 |
|
133 |
72.2 |
144 |
Show |
|
02336-3910 |
B 674 |
|
288 |
0.1 |
145 |
Show |
|
02435-4207 |
TDS2342 |
|
309 |
2.1 |
147 |
Show |
|
02368-3800 |
RST1244 |
|
222 |
0.8 |
147 |
Show |
|
02338-3854 |
UC 760 |
|
274 |
13.4 |
148 |
Show |
Acamar |
02583-4018 |
PZ 2 |
|
90 |
8.2 |
149 |
Show |
|
02331-3921 |
KPP3494 |
|
14 |
12.0 |
149 |
Show |
|
02482-4215 |
KPP2845 |
|
79 |
6.8 |
154 |
Show |
|
02590-3929 |
RST1249 |
|
52 |
1.6 |
155 |
Show |
|
02330-4034 |
KPP3493 |
|
92 |
2.2 |
155 |
Show |
|
02588-3903 |
TDS2403 |
|
190 |
0.5 |
157 |
Show |
|
02574-4112 |
TOI2409 |
Aa,Ab |
156 |
0.1 |
160 |
Show |
|
02574-4112 |
TOI2409 |
AB |
271 |
23.8 |
160 |
Show |
|
02588-3851 |
RST3374 |
|
91 |
0.3 |
161 |
Show |
|
02594-3859 |
TDS2407 |
|
151 |
0.5 |
165 |
Show |
|
02315-4001 |
TOI2417 |
|
285 |
1.9 |
165 |
Show |
|
02481-3659 |
DAW 35 |
AB |
169 |
2.2 |
167 |
Show |
|
02464-3655 |
B 1436 |
|
17 |
1.4 |
169 |
Show |
|
02434-4232 |
BVD 65 |
|
330 |
32.1 |
172 |
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WDS 02457-3943 : COMPONENTS
02457-3943 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
024544.77-394301.8 |
|
Mag |
7.86 |
|
Spectral class |
G3IV/V (yellow) |
|
PmRA |
87.00 |
|
PmDE |
49.0 |
|
SAO |
193898 |
|
HIP |
12894 |
|
Tycho2 |
7559-00884-1 |
|
HD |
17354 |
|
GC |
3334 |
|
CD |
CD-40 716 |
|
CP |
CP-40 230 |
|
Tycho2 |
7559-00884-1 |
|
Pflag |
|
|
RAmdeg |
41.43678638 |
|
DEmdeg |
-39.71706139 |
|
PmRA |
84.8 |
|
PmDE |
49.2 |
|
E RAmdeg |
5 |
|
E DEmdeg |
5 |
|
E pmRA |
1.2 |
|
E pmDE |
1.1 |
|
EpRAm |
1991.33 |
|
EpDEm |
1991.30 |
|
Num |
14 |
|
Q RAmdeg |
1.4 |
|
Q DEmdeg |
1.2 |
|
Q pmRA |
1.4 |
|
Q pmDE |
1.2 |
|
BTmag |
8.633 |
|
E BTmag |
0.016 |
|
VTmag |
7.863 |
|
E VTmag |
0.011 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
12894 |
|
CCDM |
|
|
RAdeg |
41.43652972 |
|
DEdeg |
-39.71717528 |
|
EpRA 1990 |
1.63 |
|
EpDE 1990 |
1.66 |
|
E RAdeg |
4.9 |
|
E DEdeg |
4.8 |
|
Posflg |
|
|
Corr |
0.1 |
|
SAO |
193898 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0075 |
|
DE1950 |
|
|
PmDE1950 |
0.053 |
|
Vmag |
8 |
|
SpType |
G5 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
3334 |
|
DM |
CD-40 716 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
17354 |
|
M HD |
0 |
|
GC |
3334 |
|
RA1950rad |
0.71466841 |
|
DE1950rad |
-0.69686218 |
|
PmRA2000 |
0.008 |
|
PmDE2000 |
0.049 |
|
Catalog |
H |
|
HIP |
12894 |
|
Proxy |
|
|
RAhms |
02 45 44.77 |
|
DEdms |
-39 43 01.8 |
|
Vmag |
7.78 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
41.4365 |
|
DEdeg |
-39.7172 |
|
AstroRef |
|
|
Plx |
16.53 |
|
CCDM |
02457-3943 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
1 |
|
MultFlag |
X |
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
17354 |
|
BD |
|
|
CD |
CD-40 716 |
|
CP |
CP-40 230 |
|
Dm number |
-40 716 |
|
VIred |
0.72 |
|
SpType |
G3IV/V |
|
R SpType |
|
|
Coord arcsec 2000 |
024544.77-394301.8 |
|
HIP |
12894 |
|
Sn |
1 |
|
So |
2 |
|
Nc |
1 |
|
RArad |
0.7232037469 |
|
DErad |
-0.6931955528 |
|
Plx |
15.41 |
|
PmRA |
81.71 |
|
PmDE |
49.64 |
|
E RArad |
0.79 |
|
E DErad |
0.8 |
|
E Plx |
1.12 |
|
E pmRA |
0.95 |
|
E pmDE |
0.92 |
|
Hpmag |
7.9184 |
|
E Hpmag |
0.0011 |
|
SHp |
0.012 |
|
VA |
0 |
|
BV |
0.701 |
|
E BV |
0.009 |
|
VI |
0.76 |
|
Ccdm |
02457-3943 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
2.86 |
|
DDEs |
-1.5 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
8.0 |
|
Sp |
G5 |
|
PmNote |
* |
|
PmRA |
86 |
|
PmDE |
53 |
|
Dm number |
-40 716 |
|
Cat1 |
CD |
|
Name2 |
193898 |
|
Cat2 |
SAO |
|
HD |
17354 |
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
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N IDS |
|
|
IDS |
02418S4008A |
|
HIC |
12894 |
|
02457-3943 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
024544.99-394251.8 |
|
Mag |
15 |
|
Calc delta mag |
7.14 |
|
Calc coord |
yes |
|
Ccdm |
02457-3943 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
B 2077 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
|
|
Theta |
037 |
|
Rho |
7.0 |
|
Obs |
|
|
Vmag |
15.0 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
02418S4008B |
|
HIC |
12894 |
|