05487-1419 HDS 781 (HD 38931)
05h 48m 39.68s -14° 18' 51.7" P.A. 81.00 sep 0.2 mag 7.16,8.55 Sp G6/G8III/ dist. 145.35 pc (474.13 l.y.)
Coord 2000 |
05487-1419 |
|
Discov num |
HDS 781 |
|
Comp |
|
|
Coord arcsec 2000 |
05 48 39.68 -14 18 51.7 |
|
Date first |
1991 |
|
Date last |
2020 |
|
Obs |
9 |
|
Pa first |
295 |
|
Pa last |
81.4 |
|
P.A. Now (θ) |
81.4° |
|
Sep first |
0.1 |
|
Sep last |
0.205 |
|
Sep. Now (ρ) |
0.205" |
|
Mag pri |
7.16 |
|
Mag sec |
8.55 |
|
delta mag (ΔM) |
1.39 |
|
Spectral class |
G6/G8III/ (yellow) |
|
Pri motion ra |
-008 |
|
Sec motion ra |
|
|
Pri motion dec |
-001 |
|
Sec motion dec |
|
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 38931 |
|
Constellation |
Lepus |
|
SAO |
150830 |
|
HIP |
27444 |
|
Tycho2 |
5359-01666-1 |
|
Gaia DR2 |
2996587794679897216 |
|
HD |
38931 |
|
GC |
7296 |
|
BD |
BD-14 1243 |
|
Distance |
145.35 |
|
Distance ly |
474.13 |
|
ORBITAL ELEMENTS
Period (P) | 105y | |
Periastron (T) | 1991.94y | |
Semi-major axis (a) | 0.195a | |
Eccentricity (e) | 0.277 | |
Inclination (i) | 46.9° | |
Longitude of periastron (ω) | 205.8° | |
Node (Ω) | 100.1° | |
Notes | | |
Reference | Tok2021c | |
Equinox | 2000 | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
347.4 |
0.108 |
2001 |
354.7 |
0.108 |
2002 |
2.1 |
0.108 |
2003 |
9.3 |
0.110 |
2004 |
16.3 |
0.112 |
2005 |
23.0 |
0.115 |
2006 |
29.2 |
0.120 |
2007 |
34.9 |
0.124 |
2008 |
40.3 |
0.130 |
2009 |
45.1 |
0.135 |
2010 |
49.6 |
0.141 |
2011 |
53.7 |
0.148 |
2012 |
57.5 |
0.154 |
2013 |
61.0 |
0.160 |
2014 |
64.2 |
0.166 |
2015 |
67.2 |
0.173 |
2016 |
69.9 |
0.179 |
2017 |
72.5 |
0.184 |
2018 |
75.0 |
0.190 |
2019 |
77.3 |
0.195 |
2020 |
79.5 |
0.201 |
2021 |
81.5 |
0.206 |
2022 |
83.5 |
0.210 |
2023 |
85.4 |
0.214 |
2024 |
87.2 |
0.218 |
2025 |
89.0 |
0.222 |
2026 |
90.7 |
0.226 |
2027 |
92.4 |
0.229 |
2028 |
94.0 |
0.232 |
2029 |
95.6 |
0.234 |
2030 |
97.1 |
0.236 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 05487-1419 HDS 781 (HD 38931) : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Tok2021c |
orb - |
Tokovinin, A. |
2021IAUDS.203....1S |
Tok2021c |
|
Inf. Circ. 203, 1, 2021 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
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 |
05487-1419 |
HDS 781 |
|
1991 |
1 |
295 |
0.1 |
7.16 |
8.55 |
G6/G8III/ |
|
054839.68-141851.7 |
05487-1419 |
HDS 781 |
|
2014 |
3 |
245 |
0.2 |
7.16 |
8.55 |
G6/G8III/ |
|
054839.68-141851.7 |
05487-1419 |
HDS 781 |
|
2015 |
4 |
70 |
0.2 |
7.16 |
8.55 |
G6/G8III/ |
|
054839.68-141851.7 |
05487-1419 |
HDS 781 |
|
2016 |
7 |
72 |
0.2 |
7.16 |
8.55 |
G6/G8III/ |
|
054839.68-141851.7 |
05487-1419 |
HDS 781 |
|
2018 |
8 |
76 |
0.2 |
7.16 |
8.55 |
G6/G8III/ |
|
054839.68-141851.7 |
05487-1419 |
HDS 781 |
|
2020 |
9 |
81 |
0.2 |
7.16 |
8.55 |
G6/G8III/ |
|
054839.68-141851.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 05487-1419 HDS 781 (HD 38931) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 05487-1419 HDS 781 (HD 38931) : MEASURES
No records found.
WDS 05487-1419 (HD 38931) : 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 05487-1419 (HD 38931) : ALADIN DSS IMAGE @ 05h 48m 39.68s -14° 18' 51.7"
WDS 05487-1419 HDS 781 (HD 38931) : 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 |
|
05487-1419 |
HDS 781 |
|
81 |
0.2 |
|
Show |
|
05496-1429 |
BU 94 |
|
164 |
2.3 |
18 |
Show |
|
05502-1359 |
KPP3636 |
|
269 |
1.4 |
31 |
Show |
|
05504-1438 |
RST4787 |
|
105 |
4.0 |
32 |
Show |
|
05499-1445 |
BRT1840 |
|
75 |
5.4 |
33 |
Show |
|
05509-1421 |
TVB 108 |
|
251 |
22.5 |
33 |
Show |
|
05510-1438 |
TDS3377 |
|
130 |
0.5 |
39 |
Show |
|
05479-1332 |
BU 405 |
|
128 |
14.2 |
49 |
Show |
|
05457-1447 |
A 3018 |
|
305 |
0.9 |
52 |
Show |
|
05485-1325 |
BU 406 |
|
272 |
9.1 |
54 |
Show |
|
05526-1420 |
KPP 579 |
|
235 |
5.4 |
58 |
Show |
|
05485-1322 |
STF 801 |
A,BC |
326 |
27.4 |
58 |
Show |
|
05485-1322 |
RST5502 |
BC |
99 |
0.2 |
58 |
Show |
|
05456-1503 |
ENG 23 |
AB |
161 |
123.9 |
63 |
Show |
|
05456-1503 |
ENG 23 |
AC |
229 |
166.3 |
63 |
Show |
|
05456-1503 |
BUP 83 |
AD |
259 |
35.0 |
63 |
Show |
|
05456-1503 |
BUP 83 |
CE |
213 |
34.6 |
66 |
Show |
|
05452-1510 |
HLD 77 |
|
296 |
2.5 |
72 |
Show |
|
05452-1306 |
GWP 701 |
|
320 |
18.0 |
89 |
Show |
|
05521-1305 |
GWP 720 |
|
269 |
14.4 |
89 |
Show |
|
05486-1247 |
HLD 78 |
|
163 |
2.0 |
93 |
Show |
|
05525-1533 |
RST4790 |
AB |
15 |
2.5 |
93 |
Show |
|
05525-1533 |
RST4790 |
AC |
67 |
204.0 |
93 |
Show |
|
05525-1533 |
DAM1394 |
CD |
3 |
3.5 |
94 |
Show |
|
05470-1248 |
A 2511 |
|
178 |
2.1 |
95 |
Show |
|
05521-1540 |
BRT 564 |
AB |
136 |
4.5 |
96 |
Show |
|
05459-1548 |
BVD 56 |
|
109 |
72.1 |
98 |
Show |
|
05450-1254 |
GAL 199 |
AB |
189 |
31.7 |
99 |
Show |
|
05450-1254 |
GAL 199 |
AC |
51 |
6.7 |
99 |
Show |
|
05425-1505 |
HU 1230 |
|
319 |
2.7 |
101 |
Show |
|
05515-1247 |
HJ 3804 |
|
20 |
12.8 |
101 |
Show |
|
05418-1402 |
TDS3293 |
|
55 |
0.4 |
101 |
Show |
|
05556-1358 |
KPP1954 |
|
78 |
15.4 |
103 |
Show |
|
05457-1552 |
TOK 101 |
|
|
9.4 |
103 |
Show |
|
05529-1255 |
TDS3402 |
|
78 |
0.9 |
105 |
Show |
|
05495-1234 |
HDS 783 |
|
169 |
1.9 |
106 |
Show |
|
05525-1551 |
RST4789 |
|
117 |
1.6 |
108 |
Show |
|
05413-1416 |
HJ 3785 |
|
146 |
15.9 |
108 |
Show |
|
05426-1525 |
TDS3296 |
|
159 |
0.9 |
110 |
Show |
|
05425-1535 |
YMG 13 |
|
221 |
1.2 |
118 |
Show |
|
05544-1544 |
A 3019 |
BC |
7 |
3.6 |
119 |
Show |
|
05544-1544 |
A 3019 |
AB |
41 |
46.5 |
119 |
Show |
|
05441-1559 |
ARA 23 |
AB |
356 |
8.6 |
121 |
Show |
|
05495-1213 |
FOX 143 |
AB |
307 |
8.8 |
127 |
Show |
|
05495-1213 |
FOX 143 |
AC |
290 |
45.9 |
127 |
Show |
|
05571-1455 |
BRT1841 |
|
37 |
4.9 |
128 |
Show |
|
05539-1234 |
BRT2645 |
|
128 |
5.5 |
130 |
Show |
|
05578-1413 |
GAL 395 |
|
79 |
7.9 |
133 |
Show |
|
05578-1405 |
CON 21 |
Aa,Ab |
115 |
0.2 |
134 |
Show |
|
05578-1405 |
CON 21 |
AB |
178 |
5.8 |
134 |
Show |
|
05580-1402 |
LDS 149 |
|
230 |
2.4 |
136 |
|
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WDS 05487-1419 : COMPONENTS
05487-1419 A
Componente originario normalizzato |
AB |
|
Name |
HD 38931 |
|
Coord arcsec 2000 |
054839.68-141851.7 |
|
Mag |
7.16 |
|
Spectral class |
G6/G8III/ (yellow) |
|
PmRA |
-8.00 |
|
PmDE |
-1.0 |
|
SAO |
150830 |
|
HIP |
27444 |
|
Tycho2 |
5359-01666-1 |
|
HD |
38931 |
|
GC |
7296 |
|
BD |
BD-14 1243 |
|
Tycho2 |
5359-01666-1 |
|
Pflag |
|
|
RAmdeg |
87.16533278 |
|
DEmdeg |
-14.31435580 |
|
PmRA |
-6.0 |
|
PmDE |
-2.9 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
1.1 |
|
E pmDE |
1.1 |
|
EpRAm |
1991.39 |
|
EpDEm |
1991.30 |
|
Num |
14 |
|
Q RAmdeg |
1.8 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
1.7 |
|
Q pmDE |
1.0 |
|
BTmag |
7.861 |
|
E BTmag |
0.015 |
|
VTmag |
6.827 |
|
E VTmag |
0.010 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
27444 |
|
CCDM |
AB |
|
RAdeg |
87.16534694 |
|
DEdeg |
-14.31434944 |
|
EpRA 1990 |
1.72 |
|
EpDE 1990 |
1.61 |
|
E RAdeg |
4.1 |
|
E DEdeg |
4.3 |
|
Posflg |
P |
|
Corr |
0.0 |
|
SAO |
150830 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0028 |
|
DE1950 |
|
|
PmDE1950 |
0.009 |
|
Vmag |
6.9 |
|
SpType |
G5 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
7296 |
|
DM |
BD-14 1243 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
38931 |
|
M HD |
0 |
|
GC |
7296 |
|
RA1950rad |
1.51137212 |
|
DE1950rad |
-0.25009508 |
|
PmRA2000 |
-0.0023 |
|
PmDE2000 |
0.011 |
|
Catalog |
H |
|
HIP |
27444 |
|
Proxy |
H |
|
RAhms |
05 48 39.68 |
|
DEdms |
-14 18 51.7 |
|
Vmag |
6.74 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
87.1653 |
|
DEdeg |
-14.3144 |
|
AstroRef |
* |
|
Plx |
6.12 |
|
CCDM |
05487-1419 |
|
N CCDM |
H |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
S |
|
Qual |
B |
|
M HIP |
AB |
|
Theta |
295 |
|
Rho |
0.136 |
|
HD |
38931 |
|
BD |
BD-14 1243 |
|
CD |
|
|
CP |
|
|
Dm number |
-14 1243 |
|
VIred |
0.9 |
|
SpType |
G6/G8III/IV |
|
R SpType |
|
|
Coord arcsec 2000 |
054839.68-141851.7 |
|
HIP |
27444 |
|
Sn |
55 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
1.5213222938 |
|
DErad |
-0.2498325313 |
|
Plx |
6.88 |
|
PmRA |
-7.02 |
|
PmDE |
-0.67 |
|
E RArad |
0.4 |
|
E DErad |
0.38 |
|
E Plx |
0.63 |
|
E pmRA |
0.43 |
|
E pmDE |
0.41 |
|
Hpmag |
6.8948 |
|
E Hpmag |
0.0012 |
|
SHp |
0.009 |
|
VA |
0 |
|
BV |
0.884 |
|
E BV |
0.007 |
|
VI |
0.89 |
|
Ccdm |
05487-1419 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-2.32 |
|
DDEs |
8.3 |
|
R dRAs |
82 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
7.2 |
|
Sp |
G6 |
|
PmNote |
* |
|
PmRA |
-8 |
|
PmDE |
-1 |
|
Dm number |
-14 1243 |
|
Cat1 |
BD |
|
Name2 |
150830 |
|
Cat2 |
SAO |
|
HD |
38931 |
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
|
|
HIC |
27444 |
|
05487-1419 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
054839.69-141851.7 |
|
Mag |
8.55 |
|
Calc delta mag |
1.39 |
|
Calc coord |
yes |
|
Ccdm |
05487-1419 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
HDS |
|
DRAs |
-2.33 |
|
DDEs |
8.4 |
|
R dRAs |
82 |
|
Year |
1991 |
|
Theta |
295 |
|
Rho |
0.1 |
|
Obs |
1 |
|
Vmag |
8.5 |
|
Sp |
|
|
PmNote |
* |
|
PmRA |
-8 |
|
PmDE |
-1 |
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
|
|
HIC |
27444 |
|