08539+0149 A 2554 (HD 76050)
08h 53m 51.95s +01° 49' 28.0" P.A. 306.00 sep 0.1 mag 7.44,9.64 Sp F0 dist. 67.61 pc (220.54 l.y.)
Coord 2000 |
08539+0149 |
|
Discov num |
A 2554 |
|
Comp |
|
|
Coord arcsec 2000 |
08 53 51.95 +01 49 28.0 |
|
Date first |
1913 |
|
Date last |
2021 |
|
Obs |
26 |
|
Pa first |
323 |
|
Pa last |
306.3 |
|
P.A. Now (θ) |
265.8° |
|
Sep first |
0.3 |
|
Sep last |
0.108 |
|
Sep. Now (ρ) |
0.116" |
|
Mag pri |
7.44 |
|
Mag sec |
9.64 |
|
delta mag (ΔM) |
2.2 |
|
Spectral class |
F0 (yellow-white) |
|
Pri motion ra |
+010 |
|
Sec motion ra |
|
|
Pri motion dec |
-040 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 76050 |
|
Constellation |
Hydra |
|
SAO |
117242 |
|
HIP |
43676 |
|
Tycho2 |
0213-00019-1 |
|
Gaia DR2 |
577669635274282752 |
|
HD |
76050 |
|
ADS |
7074 |
|
BD |
BD+02 2088 |
|
Distance |
67.61 |
|
Distance ly |
220.54 |
|
ORBITAL ELEMENTS
Period (P) | 43.86y | ± 0.8 |
Periastron (T) | 2021.18y | ± 0.3 |
Semi-major axis (a) | 0.21a | ± 0.005 |
Eccentricity (e) | 0.502 | ± 0.03 |
Inclination (i) | 162.4° | ± 11.4 |
Longitude of periastron (ω) | 339.7° | ± 17.3 |
Node (Ω) | 292.4° | ± 16.7 |
Notes | n | |
Reference | Tok2015c | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
129.5 |
0.314 |
2001 |
126.5 |
0.313 |
2002 |
123.5 |
0.311 |
2003 |
120.3 |
0.308 |
2004 |
117.2 |
0.304 |
2005 |
113.9 |
0.299 |
2006 |
110.5 |
0.293 |
2007 |
106.9 |
0.286 |
2008 |
103.2 |
0.278 |
2009 |
99.2 |
0.268 |
2010 |
94.9 |
0.257 |
2011 |
90.1 |
0.245 |
2012 |
84.9 |
0.232 |
2013 |
79.0 |
0.217 |
2014 |
72.2 |
0.202 |
2015 |
64.1 |
0.185 |
2016 |
54.5 |
0.167 |
2017 |
42.5 |
0.149 |
2018 |
27.3 |
0.132 |
2019 |
7.9 |
0.117 |
2020 |
343.9 |
0.107 |
2021 |
316.8 |
0.104 |
2022 |
289.8 |
0.107 |
2023 |
265.8 |
0.116 |
2024 |
245.8 |
0.129 |
2025 |
229.7 |
0.144 |
2026 |
216.7 |
0.159 |
2027 |
206.0 |
0.175 |
2028 |
197.1 |
0.191 |
2029 |
189.5 |
0.206 |
2030 |
182.9 |
0.220 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
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|
|
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|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 08539+0149 A 2554 (HD 76050) : NOTES
discov_num |
notes |
refcode |
A 2554 |
Very difficult object, even in good definition, due to magnitude |
|
|
difference. All 1936-1941 measures noted as very hard and uncertain. |
|
|
Aitken has two measures in 1913, a very uncertain one in 1923, and |
|
|
failed to see the companion in 1935. |
B__1951a |
REFERENCES
refcode |
metd |
author |
reference |
B__1951a |
Ma j |
van den Bos, W.H. |
1951CiUO..111...13V |
B__1951a |
+J |
Union Obs. Johannesburg Circ. 111, 13, 1951 |
|
Tok2015c |
orb+j |
Tokovinin, A., Mason, B.D., Hartkopf, W.I., Mendez, R.A., & Horch, E.P. |
2015AJ....150...50T |
Tok2015c |
+St |
AJ 150, 50, 2015 (some measures corrected in Tok2017b) |
2017AJ....154..110T |
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 |
08539+0149 |
A 2554 |
|
1996 |
15 |
140 |
0.3 |
7.44 |
9.64 |
F0 |
O |
085351.95+014928.0 |
08539+0149 |
A 2554 |
|
2010 |
17 |
270 |
0.2 |
7.44 |
9.64 |
F0 |
O |
085351.95+014928.0 |
08539+0149 |
A 2554 |
|
2013 |
18 |
258 |
0.2 |
7.44 |
9.64 |
F0 |
NO |
085351.95+014928.0 |
08539+0149 |
A 2554 |
|
2014 |
19 |
250 |
0.2 |
7.44 |
9.64 |
F0 |
NO |
085351.95+014928.0 |
08539+0149 |
A 2554 |
|
2016 |
21 |
43 |
0.2 |
7.44 |
9.64 |
F0 |
NO |
085351.95+014928.0 |
08539+0149 |
A 2554 |
|
2018 |
23 |
14 |
0.1 |
7.44 |
9.64 |
F0 |
NO |
085351.95+014928.0 |
08539+0149 |
A 2554 |
|
2020 |
24 |
349 |
0.1 |
7.44 |
9.64 |
F0 |
NO |
085351.95+014928.0 |
08539+0149 |
A 2554 |
|
2021 |
26 |
306 |
0.1 |
7.44 |
9.64 |
F0 |
NO |
085351.95+014928.0 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 08539+0149 A 2554 (HD 76050) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 08539+0149 A 2554 (HD 76050) : MEASURES
No records found.
WDS 08539+0149 (HD 76050) : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
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WDS 08539+0149 (HD 76050) : ALADIN DSS IMAGE @ 08h 53m 51.95s +01° 49' 28.0"
WDS 08539+0149 A 2554 (HD 76050) : 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 |
|
08539+0149 |
A 2554 |
|
306 |
0.1 |
|
Show |
|
08531+0137 |
J 75 |
|
40 |
3.4 |
17 |
Show |
|
08546+0127 |
BAL1430 |
|
110 |
11.5 |
26 |
Show |
|
08562+0153 |
SKF 745 |
|
199 |
1.1 |
36 |
Show |
|
08510+0147 |
GRV1011 |
|
228 |
9.5 |
37 |
Show |
|
08552+0117 |
BAL1431 |
|
193 |
10.7 |
39 |
Show |
|
08562+0121 |
TDS6197 |
|
314 |
1.8 |
45 |
Show |
|
08567+0130 |
HEI 745 |
AB |
223 |
0.4 |
47 |
Show |
|
08567+0130 |
GII 39 |
AC |
235 |
1.8 |
47 |
Show |
|
08543+0236 |
BAL1854 |
|
350 |
19.5 |
48 |
Show |
|
08556+0109 |
GWP1112 |
|
25 |
34.6 |
49 |
Show |
|
08568+0211 |
SLW 315 |
|
129 |
26.0 |
50 |
Show |
|
08509+0213 |
TVB 205 |
|
128 |
2.4 |
50 |
Show |
|
08537+0240 |
BAL2356 |
|
300 |
14.2 |
51 |
Show |
|
08503+0125 |
J 74 |
|
126 |
9.3 |
58 |
Show |
|
08570+0205 |
GRV1013 |
|
304 |
40.0 |
63 |
Show |
|
08581+0132 |
KUI 36 |
AB |
202 |
2.8 |
67 |
Show |
|
08511-0056 |
GWP1093 |
|
142 |
15.0 |
69 |
Show |
|
08512+0253 |
BAL2353 |
|
197 |
15.5 |
75 |
Show |
|
08538-0035 |
STF1292 |
AB |
188 |
6.1 |
75 |
Show |
|
08538-0035 |
UC 1728 |
AC |
330 |
27.8 |
75 |
Show |
|
08515+0256 |
BAL2354 |
|
40 |
8.6 |
76 |
Show |
|
08590+0152 |
HDS1301 |
|
329 |
1.8 |
78 |
Show |
|
08510+0255 |
BAL2352 |
|
297 |
19.4 |
79 |
Show |
|
08568-0041 |
LDS3834 |
|
288 |
3.6 |
82 |
Show |
|
08565-0034 |
CVR1180 |
|
341 |
3.4 |
86 |
Show |
|
08596+0146 |
BAL1855 |
|
86 |
16.6 |
87 |
Show |
|
08503+0301 |
BAL2350 |
|
334 |
6.6 |
89 |
Show |
|
08599+0143 |
BAL1856 |
|
43 |
10.7 |
90 |
Show |
|
08522+0318 |
BAL2355 |
|
334 |
11.2 |
91 |
Show |
|
08486+0237 |
A 2551 |
|
158 |
0.1 |
92 |
Show |
|
08487+0057 |
A 2552 |
|
208 |
0.3 |
95 |
Show |
|
08540-0015 |
BAL1147 |
|
44 |
15.4 |
95 |
Show |
|
08540+0325 |
SLW 310 |
|
62 |
41.2 |
96 |
Show |
|
08482+0235 |
BU 335 |
|
265 |
2.6 |
97 |
Show |
|
09004+0151 |
GWP1127 |
|
33 |
12.1 |
99 |
Show |
|
08501+0311 |
BAL2349 |
|
204 |
6.1 |
100 |
Show |
|
08473+0216 |
CVR1164 |
|
319 |
3.7 |
103 |
Show |
|
08474+0226 |
LDS3819 |
|
295 |
14.1 |
103 |
Show |
|
08495+0311 |
SLW 300 |
|
98 |
16.3 |
104 |
Show |
|
08492+0030 |
KPP3764 |
|
19 |
2.4 |
107 |
Show |
|
08486+0304 |
A 2550 |
|
204 |
0.4 |
109 |
Show |
|
09012+0157 |
CRC 57 |
AB |
156 |
3.1 |
110 |
Show |
|
09012+0157 |
CRC 57 |
Aa,Ab |
153 |
0.1 |
110 |
Show |
|
08570+0321 |
GRV1014 |
|
71 |
25.5 |
111 |
Show |
|
08483+0033 |
STT 194 |
|
57 |
12.6 |
113 |
Show |
|
08479-0040 |
BAL 857 |
|
68 |
10.0 |
114 |
Show |
|
08505+0333 |
BAL2351 |
|
110 |
14.2 |
115 |
Show |
|
08472+0251 |
CVR1163 |
|
307 |
4.1 |
118 |
Show |
|
08488+0020 |
TDS6112 |
|
288 |
0.5 |
118 |
Show |
|
08480+0308 |
BAL2347 |
AB |
204 |
4.0 |
118 |
|
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WDS 08539+0149 : COMPONENTS
08539+0149 A
Componente originario normalizzato |
AB |
|
Name |
HD 76050 |
|
Coord arcsec 2000 |
085351.95+014928.0 |
|
Mag |
7.44 |
|
Spectral class |
F0 (yellow-white) |
|
PmRA |
10.00 |
|
PmDE |
-40.0 |
|
SAO |
117242 |
|
HIP |
43676 |
|
Tycho2 |
0213-00019-1 |
|
HD |
76050 |
|
BD |
BD+02 2088 |
|
Tycho2 |
0213-00019-1 |
|
Pflag |
|
|
RAmdeg |
133.46646271 |
|
DEmdeg |
1.82433872 |
|
PmRA |
9.7 |
|
PmDE |
-40.2 |
|
E RAmdeg |
5 |
|
E DEmdeg |
6 |
|
E pmRA |
1.0 |
|
E pmDE |
1.1 |
|
EpRAm |
1991.31 |
|
EpDEm |
1990.76 |
|
Num |
13 |
|
Q RAmdeg |
1.2 |
|
Q DEmdeg |
0.8 |
|
Q pmRA |
1.1 |
|
Q pmDE |
0.8 |
|
BTmag |
7.605 |
|
E BTmag |
0.016 |
|
VTmag |
7.269 |
|
E VTmag |
0.011 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
43676 |
|
CCDM |
AB |
|
RAdeg |
133.46644000 |
|
DEdeg |
1.82443556 |
|
EpRA 1990 |
1.77 |
|
EpDE 1990 |
1.36 |
|
E RAdeg |
4.5 |
|
E DEdeg |
5.7 |
|
Posflg |
P |
|
Corr |
0.1 |
|
SAO |
117242 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0007 |
|
DE1950 |
|
|
PmDE1950 |
-0.046 |
|
Vmag |
7.7 |
|
SpType |
F0 |
|
Double code |
|
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Source |
30 |
|
CatNum |
3581 |
|
DM |
BD+02 2088 |
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DMcomp |
|
|
BDsup |
|
|
HD |
76050 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
2.31812671 |
|
DE1950rad |
0.0351716 |
|
PmRA2000 |
0.0009 |
|
PmDE2000 |
-0.043 |
|
Catalog |
H |
|
HIP |
43676 |
|
Proxy |
H |
|
RAhms |
08 53 51.95 |
|
DEdms |
+01 49 28.0 |
|
Vmag |
7.23 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
133.466 |
|
DEdeg |
1.82443 |
|
AstroRef |
* |
|
Plx |
14.64 |
|
CCDM |
08539+0149 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
153 |
|
Rho |
0.282 |
|
HD |
76050 |
|
BD |
BD+02 2088 |
|
CD |
|
|
CP |
|
|
Dm number |
+02 2088 |
|
VIred |
0.4 |
|
SpType |
F0 |
|
R SpType |
|
|
Coord arcsec 2000 |
085351.95+014928.0 |
|
HIP |
43676 |
|
Sn |
55 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
2.3294288281 |
|
DErad |
0.0318423721 |
|
Plx |
14.79 |
|
PmRA |
4.95 |
|
PmDE |
-43.06 |
|
E RArad |
0.75 |
|
E DErad |
0.59 |
|
E Plx |
1.02 |
|
E pmRA |
0.94 |
|
E pmDE |
0.67 |
|
Hpmag |
7.303 |
|
E Hpmag |
0.0017 |
|
SHp |
0.008 |
|
VA |
0 |
|
BV |
0.345 |
|
E BV |
0.015 |
|
VI |
0.4 |
|
Ccdm |
08539+0149 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-2.08 |
|
DDEs |
27.3 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
7.3 |
|
Sp |
F0 |
|
PmNote |
* |
|
PmRA |
3 |
|
PmDE |
-47 |
|
Dm number |
+02 2088 |
|
Cat1 |
BD |
|
Name2 |
+02 1202 |
|
Cat2 |
AGK2/3 |
|
HD |
76050 |
|
M HD |
|
|
ADS BDS |
A 7074 |
|
M ADS BDS |
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N IDS |
|
|
IDS |
08487N0212A |
|
HIC |
43676 |
|
08539+0149 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
085351.94+014928.1 |
|
Mag |
9.64 |
|
Calc delta mag |
2.2 |
|
Calc coord |
yes |
|
Ccdm |
08539+0149 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
A 2554 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1941 |
|
Theta |
255 |
|
Rho |
0.3 |
|
Obs |
4 |
|
Vmag |
9.5 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A 7074 |
|
M ADS BDS |
|
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N IDS |
|
|
IDS |
08487N0212B |
|
HIC |
43676 |
|