03446+2754 BU 1041 BC
03h 44m 45.00s +27° 55' 15.8" P.A. 321.00 sep 35.1 mag 6.91,12.42 Sp G2IV dist. 64.72 pc (211.12 l.y.)
Coord 2000 |
03446+2754 |
|
Discov num |
BU 1041 |
|
Comp |
BC |
|
Coord arcsec 2000 |
03 44 45.00 +27 55 15.8 |
|
Date first |
1888 |
|
Date last |
2017 |
|
Obs |
18 |
|
Pa first |
348 |
|
Pa last |
320.8 |
|
P.A. Now (θ) |
320.8° |
|
Sep first |
7.9 |
|
Sep last |
35.09 |
|
Sep. Now (ρ) |
35.09" |
|
Mag pri |
6.91 |
|
Mag sec |
12.42 |
|
delta mag (ΔM) |
5.51 |
|
Spectral class |
G2IV (yellow) |
|
Pri motion ra |
+157 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-165 |
|
Sec motion dec |
-004 |
|
Notes |
N
L
(See Notes, Linear solution) |
|
rPM=0.994
This double is not physical.
03446+2754 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 23245 |
76122 |
03 44 37 +27 53 52 |
STTA 38 AB |
2017 |
43 |
53 |
135.4 |
6.78 |
6.91 |
0.13 |
|
|
Show |
|
76124 |
03 44 45 +27 55 16 |
BU 1041 BC |
2017 |
18 |
321 |
35.1 |
6.91 |
12.42 |
5.51 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Taurus |
|
SAO |
76124 |
|
HIP |
17482 |
|
Tycho2 |
1807-00067-1 |
|
Gaia DR2 |
71576252759892480 |
|
HD |
23257 |
|
GC |
4472 |
|
BD |
BD+27 558 |
|
Distance |
64.72 |
|
Distance ly |
211.12 |
|
SUSPECTED ORBITAL ELEMENTS
Identifier | 03447+2755 STT4038 B |
coord_arcsec_2000 | 034444.90+275517.3 |
Period (P) | 699d | ± 28 |
Periastron (T) | 48535d (1991.76y) | ± 228 |
Semi-major axis (a) | 13.2m | ± 2.5 |
Eccentricity (e) | 0.27 | ± 0.22 |
Inclination (i) | 132° | ± 10 |
Longitude of periastron (ω) | 100° | ± 96 |
Node (Ω) | 205° | ± 94 |
Notes | | |
Reference | Gln2007 | |
Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
341.0 |
0.012 |
2001-01-01 |
200.1 |
0.012 |
2002-01-01 |
327.9 |
0.012 |
2003-01-01 |
186.5 |
0.011 |
2004-01-01 |
313.8 |
0.011 |
2005-01-01 |
166.8 |
0.009 |
2006-01-01 |
299.2 |
0.011 |
2007-01-01 |
134.9 |
0.007 |
2008-01-01 |
284.7 |
0.011 |
2009-01-01 |
92.7 |
0.007 |
2010-01-01 |
270.9 |
0.012 |
2011-01-01 |
59.9 |
0.008 |
2012-01-01 |
258.4 |
0.012 |
2013-01-01 |
39.2 |
0.010 |
2014-01-01 |
247.0 |
0.013 |
2015-01-01 |
24.4 |
0.012 |
2016-01-01 |
236.5 |
0.013 |
2017-01-01 |
12.0 |
0.012 |
2018-01-01 |
226.7 |
0.014 |
2019-01-01 |
0.3 |
0.013 |
2020-01-01 |
217.1 |
0.014 |
2021-01-01 |
348.5 |
0.012 |
2022-01-01 |
206.9 |
0.013 |
2023-01-01 |
335.9 |
0.012 |
2024-01-01 |
195.1 |
0.012 |
2025-01-01 |
322.4 |
0.011 |
2026-01-01 |
179.6 |
0.010 |
2027-01-01 |
308.0 |
0.011 |
2028-01-01 |
155.9 |
0.008 |
2029-01-01 |
293.4 |
0.011 |
2030-01-01 |
118.3 |
0.006 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 03446+2754 BU 1041 BC : NOTES
discov_num |
notes |
refcode |
STTA 38 |
Optical with BU 1041BC, which is BD+27@558, at 03 44.7 +27 55. |
|
|
AB: Optical pair, based on study of relative motion of the components |
|
|
using the method of apparent motion parameters. |
Kiy2008 |
BU 1041BC |
The B component has both an astrometric and a spectroscopic orbit |
Gln2007 |
|
which are not associated with the optical BC pair. |
Grf2015c |
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) |
|
Grf2015c |
X - |
Griffin, R.F. |
2015Obs...135..193G |
Grf2015c |
+not |
Observatory 135, 193, 2015 |
|
Kiy2008 |
- |
Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. |
2008SvAL...32..405K |
Kiy2008 |
|
SvAL 34, 405, 2008 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
BU |
Burnham, S.W. (BU 1 - 81) |
179 |
STT |
Struve, O. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
03446+2754 |
BU 1041 |
BC |
1999 |
7 |
321 |
31.6 |
6.91 |
13.40 |
G2IV |
LD |
034445.00+275515.8 |
03446+2754 |
BU 1041 |
BC |
2001 |
9 |
320 |
31.5 |
6.91 |
13.40 |
G2IV |
NLD |
034445.00+275515.8 |
03446+2754 |
BU 1041 |
BC |
2013 |
10 |
320 |
33.9 |
6.91 |
12.42 |
G2IV |
NL |
034445.00+275515.8 |
03446+2754 |
BU 1041 |
BC |
2017 |
12 |
321 |
35.1 |
6.91 |
12.42 |
G2IV |
NL |
034445.00+275515.8 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 03446+2754 BU 1041 BC : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 03446+2754 BU 1041 BC : MEASURES
No records found.
WDS 03446+2754 : 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 03446+2754 : ALADIN DSS IMAGE @ 03h 44m 45.00s +27° 55' 15.8"
WDS 03446+2754 BU 1041 BC : 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 |
|
03446+2754 |
BU 1041 |
BC |
321 |
35.1 |
|
Show |
|
03446+2754 |
STTA 38 |
AB |
53 |
135.4 |
3 |
Show |
|
03444+2812 |
A 1826 |
Aa,Ab |
222 |
0.6 |
18 |
Show |
|
03444+2812 |
MET 33 |
AB |
313 |
5.7 |
18 |
Show |
|
03460+2734 |
CTI7214 |
|
263 |
69.5 |
28 |
Show |
|
03466+2728 |
COU 694 |
|
136 |
2.5 |
37 |
Show |
|
03456+2839 |
COU 692 |
|
318 |
1.7 |
45 |
Show |
|
03463+2850 |
COU 693 |
|
347 |
0.6 |
59 |
Show |
|
03413+2832 |
STF 429 |
|
105 |
16.8 |
59 |
Show |
|
03493+2759 |
KPP2599 |
|
22 |
23.6 |
61 |
Show |
|
03422+2702 |
LDS6096 |
|
283 |
169.8 |
64 |
Show |
|
03402+2820 |
UC 1039 |
AB |
3 |
11.7 |
66 |
Show |
|
03402+2820 |
UC 1039 |
AC |
46 |
48.6 |
66 |
Show |
|
03402+2820 |
UC 1039 |
BC |
58 |
40.9 |
66 |
Show |
|
03470+2855 |
J 27 |
|
59 |
4.2 |
67 |
Show |
|
03470+2858 |
UC 1062 |
|
249 |
46.3 |
70 |
Show |
|
03405+2838 |
HO 323 |
|
208 |
16.5 |
71 |
Show |
|
03473+2858 |
AZC 38 |
|
80 |
11.8 |
72 |
Show |
|
03392+2757 |
STF 424 |
|
313 |
10.0 |
74 |
Show |
|
03416+2655 |
LDS6095 |
|
36 |
40.5 |
75 |
Show |
|
03406+2846 |
STF 427 |
AB |
207 |
7.0 |
75 |
Show |
|
03477+2649 |
LDS6113 |
|
143 |
68.3 |
77 |
Show |
|
03476+2908 |
UC 1065 |
|
25 |
35.7 |
82 |
Show |
|
03389+2703 |
TDS2610 |
|
348 |
1.5 |
94 |
Show |
|
03513+2831 |
TDS2671 |
|
84 |
0.4 |
94 |
Show |
|
03520+2801 |
COU 696 |
|
22 |
0.3 |
97 |
Show |
|
03398+2643 |
GRV 186 |
|
284 |
31.7 |
97 |
Show |
|
03466+2621 |
WFC 18 |
|
337 |
10.2 |
98 |
Show |
|
03511+2847 |
J 28 |
|
189 |
3.2 |
99 |
Show |
|
03435+2935 |
A 989 |
AB |
357 |
3.2 |
102 |
Show |
|
03435+2935 |
A 989 |
AC |
93 |
58.8 |
102 |
Show |
|
03390+2917 |
UC 1037 |
|
231 |
34.4 |
112 |
Show |
|
03445+2603 |
LDS6102 |
|
176 |
105.8 |
113 |
Show |
|
03493+2930 |
MLB 684 |
|
299 |
1.5 |
113 |
Show |
|
03425+2946 |
A 987 |
|
190 |
1.1 |
115 |
Show |
|
03466+2950 |
BRT 233 |
|
12 |
3.9 |
116 |
Show |
|
03513+2633 |
LDS3539 |
|
202 |
4.8 |
120 |
Show |
|
03372+2646 |
LDS6089 |
|
170 |
60.5 |
122 |
Show |
|
03414+2602 |
TDS2629 |
|
270 |
1.5 |
123 |
Show |
|
03536+2718 |
OCC9003 |
|
278 |
0.0 |
123 |
Show |
|
03495+2608 |
LDS6117 |
|
81 |
196.8 |
124 |
Show |
|
03490+2605 |
LDS6115 |
|
309 |
88.5 |
124 |
Show |
|
03459+2552 |
BOV 9 |
AB |
273 |
1.8 |
125 |
Show |
|
03459+2552 |
BOV 9 |
AC |
277 |
1.6 |
125 |
Show |
|
03353+2751 |
TDS2592 |
|
96 |
2.1 |
126 |
Show |
|
03502+2939 |
FOX 136 |
|
302 |
28.1 |
126 |
Show |
|
03540+2822 |
COU 697 |
|
227 |
1.2 |
126 |
Show |
|
03374+2632 |
COU 690 |
|
172 |
4.2 |
129 |
Show |
|
03513+2621 |
A 1830 |
AB |
194 |
0.4 |
129 |
Show |
|
03513+2621 |
GRV 195 |
AC |
330 |
60.8 |
129 |
Show |
|
03350+2755 |
AZC 35 |
|
122 |
12.2 |
129 |
|
|
WDS 03446+2754 : COMPONENTS
|
A |
B |
B |
pa=50.8°
sep=133.30"
| |
C |
pa=36.9°
sep=139.39"
| pa=324.2°
sep=33.52"
|
03446+2754 A
Name |
HD 23245 |
|
Coord arcsec 2000 |
034437.21+275351.5 |
|
Mag |
6.78 |
|
Spectral class |
F4V (yellow-white) |
|
PmRA |
-47.00 |
|
PmDE |
-76.0 |
|
SAO |
76122 |
|
HIP |
17470 |
|
Tycho2 |
1807-00121-1 |
|
HD |
23245 |
|
GC |
4468 |
|
BD |
BD+27 556 |
|
Tycho2 |
1807-00121-1 |
|
Pflag |
|
|
RAmdeg |
56.15492915 |
|
DEmdeg |
27.89744933 |
|
PmRA |
-47.1 |
|
PmDE |
-75.7 |
|
E RAmdeg |
4 |
|
E DEmdeg |
5 |
|
E pmRA |
0.9 |
|
E pmDE |
0.8 |
|
EpRAm |
1991.41 |
|
EpDEm |
1990.76 |
|
Num |
17 |
|
Q RAmdeg |
0.5 |
|
Q DEmdeg |
0.8 |
|
Q pmRA |
0.6 |
|
Q pmDE |
0.8 |
|
BTmag |
7.191 |
|
E BTmag |
0.016 |
|
VTmag |
6.778 |
|
E VTmag |
0.011 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
17470 |
|
CCDM |
|
|
RAdeg |
56.15505028 |
|
DEdeg |
27.89762917 |
|
EpRA 1990 |
1.81 |
|
EpDE 1990 |
1.45 |
|
E RAdeg |
4.1 |
|
E DEdeg |
5.2 |
|
Posflg |
|
|
Corr |
0.1 |
|
SAO |
76122 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0024 |
|
DE1950 |
|
|
PmDE1950 |
-0.072 |
|
Vmag |
6.7 |
|
SpType |
F0 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
4468 |
|
DM |
BD+27 556 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
23245 |
|
M HD |
0 |
|
GC |
4468 |
|
RA1950rad |
0.96680361 |
|
DE1950rad |
0.48418924 |
|
PmRA2000 |
-0.0025 |
|
PmDE2000 |
-0.075 |
|
Catalog |
H |
|
HIP |
17470 |
|
Proxy |
|
|
RAhms |
03 44 37.21 |
|
DEdms |
+27 53 51.5 |
|
Vmag |
6.75 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
56.1551 |
|
DEdeg |
27.8976 |
|
AstroRef |
|
|
Plx |
15.67 |
|
CCDM |
03447+2754 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
23245 |
|
BD |
BD+27 556 |
|
CD |
|
|
CP |
|
|
Dm number |
+27 556 |
|
VIred |
0.43 |
|
SpType |
F0 |
|
R SpType |
|
|
Coord arcsec 2000 |
034437.21+275351.5 |
|
HIP |
17470 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
0.9800906707 |
|
DErad |
0.4869055709 |
|
Plx |
17.55 |
|
PmRA |
-47.21 |
|
PmDE |
-75.92 |
|
E RArad |
0.5 |
|
E DErad |
0.27 |
|
E Plx |
0.5 |
|
E pmRA |
0.69 |
|
E pmDE |
0.58 |
|
Hpmag |
6.8408 |
|
E Hpmag |
0.0006 |
|
SHp |
0.007 |
|
VA |
0 |
|
BV |
0.37 |
|
E BV |
0.015 |
|
VI |
0.43 |
|
03446+2754 B
Coord arcsec 2000 |
034445.00+275515.8 |
|
Coord calc |
034445.00+275515.8 |
|
Mag |
6.91 |
|
Spectral class |
G2IV (yellow) |
|
PmRA |
157.00 |
|
PmDE |
-165.0 |
|
SAO |
76124 |
|
HIP |
17482 |
|
Tycho2 |
1807-00067-1 |
|
HD |
23257 |
|
GC |
4472 |
|
BD |
BD+27 558 |
|
Calc delta mag |
0.13 |
|
Tycho2 |
1807-00067-1 |
|
Pflag |
|
|
RAmdeg |
56.18753471 |
|
DEmdeg |
27.92107884 |
|
PmRA |
164.1 |
|
PmDE |
-155.0 |
|
E RAmdeg |
4 |
|
E DEmdeg |
6 |
|
E pmRA |
1.2 |
|
E pmDE |
1.2 |
|
EpRAm |
1991.60 |
|
EpDEm |
1990.97 |
|
Num |
13 |
|
Q RAmdeg |
1.5 |
|
Q DEmdeg |
1.3 |
|
Q pmRA |
1.6 |
|
Q pmDE |
1.3 |
|
BTmag |
7.651 |
|
E BTmag |
0.016 |
|
VTmag |
6.910 |
|
E VTmag |
0.011 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
17482 |
|
CCDM |
|
|
RAdeg |
56.18711361 |
|
DEdeg |
27.92144611 |
|
EpRA 1990 |
1.84 |
|
EpDE 1990 |
1.48 |
|
E RAdeg |
4.3 |
|
E DEdeg |
5.5 |
|
Posflg |
|
|
Corr |
0.0 |
|
SAO |
76124 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0121 |
|
DE1950 |
|
|
PmDE1950 |
-0.125 |
|
Vmag |
7 |
|
SpType |
G0 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
4472 |
|
DM |
BD+27 558 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
23257 |
|
M HD |
0 |
|
GC |
4472 |
|
RA1950rad |
0.96730727 |
|
DE1950rad |
0.48462921 |
|
PmRA2000 |
0.012 |
|
PmDE2000 |
-0.129 |
|
Catalog |
H |
|
HIP |
17482 |
|
Proxy |
|
|
RAhms |
03 44 44.90 |
|
DEdms |
+27 55 17.3 |
|
Vmag |
6.86 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
56.1871 |
|
DEdeg |
27.9215 |
|
AstroRef |
|
|
Plx |
16.97 |
|
CCDM |
03447+2754 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
1 |
|
MultFlag |
X |
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
23257 |
|
BD |
BD+27 558 |
|
CD |
|
|
CP |
|
|
Dm number |
+27 558 |
|
VIred |
0.71 |
|
SpType |
G2IV |
|
R SpType |
|
|
Coord arcsec 2000 |
034444.90+275517.3 |
|
HIP |
17482 |
|
Sn |
1 |
|
So |
2 |
|
Nc |
1 |
|
RArad |
0.9806495373 |
|
DErad |
0.4873214165 |
|
Plx |
15.45 |
|
PmRA |
156.81 |
|
PmDE |
-164.74 |
|
E RArad |
1.6 |
|
E DErad |
0.86 |
|
E Plx |
1.68 |
|
E pmRA |
2.23 |
|
E pmDE |
1.83 |
|
Hpmag |
6.9898 |
|
E Hpmag |
0.0013 |
|
SHp |
0.008 |
|
VA |
0 |
|
BV |
0.642 |
|
E BV |
0.002 |
|
VI |
0.71 |
|
03446+2754 C
Coord arcsec 2000 |
034443.52+275543.0 |
|
Mag |
12.42 |
|
PmRA |
-2.00 |
|
PmDE |
-4.0 |
|
Calc delta mag |
5.64 |
|
Calc coord |
yes |
|