18028+7547 STF 2302 BC
18h 02m 49.52s +75° 47' 22.3" P.A. 287.00 sep 18.3 mag 9.97,8.10
Coord 2000 |
18028+7547 |
|
Discov num |
STF2302 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 02 49.52 +75 47 22.3 |
|
Date first |
1833 |
|
Date last |
2015 |
|
Obs |
23 |
|
Pa first |
293 |
|
Pa last |
286.9 |
|
P.A. Now (θ) |
286.9° |
|
Sep first |
18.8 |
|
Sep last |
18.283 |
|
Sep. Now (ρ) |
18.283" |
|
Mag pri |
9.97 |
|
Mag sec |
8.10 |
|
delta mag (ΔM) |
1.87 |
|
Spectral class |
|
|
Pri motion ra |
-012 |
|
Sec motion ra |
-009 |
|
Pri motion dec |
+041 |
|
Sec motion dec |
+040 |
|
Notes |
N
(See Notes) |
|
rPM=0.074 (< 0.3, Physical double)
This double is physical.
18028+7547 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 166655 |
8999 |
18 02 51 +75 47 24 |
STF 2302 AB |
2015 |
31 |
248 |
5.7 |
7.03 |
9.97 |
2.94 |
|
|
Show |
|
8999 |
18 02 51 +75 47 24 |
STF 2302 AC |
2015 |
43 |
278 |
22.9 |
7.03 |
9.66 |
2.63 |
|
|
Show |
|
|
18 02 50 +75 47 22 |
STF 2302 BC |
2015 |
23 |
287 |
18.3 |
9.97 |
8.10 |
1.87 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
Gaia DR2 |
2269103107346676608 |
|
WDS 18028+7547 STF 2302 BC : NOTES
discov_num |
notes |
refcode |
STF2302 |
STN 45 (with 1h error in RA). |
|
REFERENCES
refcode |
metd |
author |
reference |
STFA |
|
(F. Struve DD - Appendix list #1) |
................... |
STFB |
|
(F. Struve DD - Appendix list #2) |
................... |
StF1833A |
Ma - |
Struve, F.G.W. |
1833MmRAS...5...13H |
StF1833A |
+Mc |
cited by Herschel (MemRAS 5, 13, 1833) |
|
StF1833B |
Ma - |
Struve, F.G.W. |
1833AN.....10..389B |
StF1833B |
|
cited by Bessel (AN 10, 389, 1833) |
|
StF1837 |
Ma - |
Struve, F.G.W. |
1837AN.....14...249 |
StF1837 |
|
Stellarum duplicium et multiplicium mensurae micrometricae... |
|
StF1837 |
|
(Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837 |
|
StF1844A |
Ma - |
Struve, F.G.W. |
1844QB43.S66....... |
StF1844A |
|
cited by Smyth (Cycle of Celestial Objects 2, 1844) |
|
StF1852A |
Ma - |
Struve, F.G.W. |
. |
StF1852A |
|
cited by Bishop (Bishop Obs. Astron. Observations 1852) |
|
StF1865A |
Ma - |
Struve, F.G.W. |
1865AN.....64...81E |
StF1865A |
|
cited by Engelmann (AN 64, 81, #1518, 1865) |
|
StF1875A |
Ma - |
Struve, F.G.W. |
1875AN.....85..323D |
StF1875A |
|
cited by Doberck, 1875 (see Dob1875b,f,g,h) |
|
StF1878 |
Ma - |
Struve, F.G.W. |
. |
StF1878 |
|
Pulkova Observations 9, 1878 |
|
StF1878B |
Ma - |
Struve, F.G.W. |
1878Obs.....2..239G |
StF1878B |
|
cited by Gledhill (Obs 2, 239, 1878) |
|
StF1880A |
Ma - |
Struve, F.G.W. |
1880Obs.....3..535G |
StF1880A |
|
cited by Gledhill (Obs 3, 535, 1880) |
|
StF1906A |
Ma - |
Struve, F.G.W. |
1906QB821.B972..... |
StF1906A |
|
cited in BDS (Burnham Double Star Cat.), 1906 |
|
StF1906B |
Ma - |
Struve, F.G.W. |
1906MmRAS..56....1L |
StF1906B |
|
cited by Lewis (MemRAS 56, 1, 1906) |
|
StF1922A |
Ma - |
Struve, F.G.W. |
1922AN....216...49R |
StF1922A |
|
cited by Rabe (AN 216, 49, 1922) |
|
StF1932A |
Ma - |
Struve, F.G.W. |
1932QB821.A43...... |
StF1932A |
|
cited in ADS (Aitken Double Star Cat.), 1932 |
|
StF2002 |
- - |
Weis, J. |
|
StF2002 |
|
F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue |
|
StF2002 |
|
USNO Library : QB 821 .S8 W49 2002 |
|
StF2022 |
- - |
email note from Jan Weis: 6 July 2022 |
|
StF9999 |
Ma - |
Struve, F.G.W. |
................... |
StF9999 |
|
Unpublished, manuscript or reference not found. |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18028+7547 |
STF2302 |
BC |
2006 |
15 |
287 |
18.3 |
9.70 |
9.80 |
|
D |
180249.52+754722.3 |
18028+7547 |
STF2302 |
BC |
2008 |
16 |
287 |
18.3 |
9.70 |
9.80 |
|
D |
180249.52+754722.3 |
18028+7547 |
STF2302 |
BC |
2010 |
17 |
287 |
18.1 |
9.70 |
9.80 |
|
D |
180249.52+754722.3 |
18028+7547 |
STF2302 |
BC |
2013 |
19 |
282 |
18.9 |
9.97 |
8.10 |
|
N |
180249.52+754722.3 |
18028+7547 |
STF2302 |
BC |
2015 |
20 |
287 |
18.3 |
9.97 |
8.10 |
|
N |
180249.52+754722.3 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18028+7547 STF 2302 BC : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18028+7547 STF 2302 BC : MEASURES
No records found.
WDS 18028+7547 : 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 18028+7547 : ALADIN DSS IMAGE @ 18h 02m 49.52s +75° 47' 22.3"
WDS 18028+7547 STF 2302 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 |
|
18028+7547 |
STF2302 |
BC |
287 |
18.3 |
1 |
Show |
|
18028+7547 |
STF2302 |
AB |
248 |
5.7 |
1 |
Show |
|
18028+7547 |
STF2302 |
AC |
278 |
22.9 |
1 |
Show |
|
17580+7600 |
TDT 598 |
|
210 |
2.5 |
22 |
Show |
|
18029+7628 |
LOC 360 |
AB |
243 |
1.3 |
41 |
Show |
|
17590+7634 |
LDS1881 |
|
179 |
11.3 |
50 |
Show |
|
17422+7625 |
KPP2682 |
|
347 |
15.5 |
54 |
Show |
|
17474+7549 |
MLR 210 |
|
82 |
0.6 |
57 |
Show |
|
17477+7603 |
TDT 508 |
|
106 |
0.5 |
58 |
Show |
|
17505+7635 |
BVD 332 |
|
169 |
17.7 |
65 |
Show |
|
17462+7629 |
MLR 209 |
|
53 |
2.2 |
73 |
Show |
|
18196+7636 |
HU 929 |
|
111 |
1.8 |
78 |
Show |
|
18175+7652 |
LOC 362 |
|
289 |
7.1 |
84 |
Show |
|
18187+7447 |
KPP 695 |
|
11 |
6.2 |
86 |
Show |
|
18110+7712 |
HU 928 |
|
155 |
1.8 |
89 |
Show |
|
17484+7702 |
LDS1879 |
|
35 |
60.8 |
91 |
Show |
|
17531+7423 |
LDS1880 |
AB |
55 |
2.6 |
92 |
Show |
|
17536+7417 |
MLR 211 |
|
189 |
2.5 |
97 |
Show |
|
18225+7659 |
HU 930 |
|
310 |
1.0 |
100 |
Show |
|
18227+7421 |
TDT 824 |
|
275 |
1.2 |
116 |
Show |
|
17533+7802 |
MFL 213 |
|
218 |
8.2 |
139 |
Show |
|
18120+7814 |
LOC 363 |
|
67 |
2.1 |
150 |
Show |
|
18045+7316 |
HDS2544 |
|
29 |
6.9 |
152 |
Show |
|
17569+7829 |
CVR 208 |
|
276 |
53.8 |
163 |
Show |
|
17473+7823 |
NSN 697 |
|
106 |
4.0 |
165 |
Show |
|
17494+7306 |
LDS1878 |
|
106 |
10.1 |
171 |
Show |
|
18118+7248 |
UC 3528 |
|
177 |
37.8 |
184 |
Show |
|
18077+7858 |
SKF1082 |
|
280 |
1.9 |
191 |
Show |
|
18211+7244 |
BUP 182 |
BC |
303 |
9.1 |
195 |
Show |
|
18211+7244 |
LAB 5 |
Aa,Ab |
220 |
0.1 |
198 |
Show |
|
18211+7244 |
BUP 182 |
AB |
357 |
177.8 |
198 |
Show |
|
18053+7217 |
TDT 668 |
|
43 |
2.0 |
211 |
Show |
|
18022+7151 |
UC 235 |
|
353 |
32.8 |
237 |
Show |
|
17570+7944 |
MFL 237 |
|
177 |
4.9 |
238 |
Show |
|
18002+8000 |
BAG 6 |
Aa,Ab |
316 |
0.1 |
253 |
Show |
|
18002+8000 |
STF2308 |
AB |
232 |
18.9 |
253 |
Show |
|
18002+8000 |
STF2308 |
AC |
129 |
225.3 |
253 |
Show |
|
18072+7131 |
A 1168 |
|
327 |
0.7 |
257 |
Show |
|
17458+8003 |
UC 3399 |
|
335 |
48.9 |
262 |
Show |
|
18211+7137 |
GIC9022 |
|
318 |
2.0 |
262 |
Show |
|
18208+7120 |
STT 353 |
AB |
262 |
0.5 |
278 |
Show |
|
18208+7120 |
STT 353 |
AB,C |
117 |
72.5 |
278 |
Show |
|
18166+8027 |
LDS1884 |
|
108 |
5.7 |
284 |
Show |
|
18058+7101 |
TDS 904 |
|
108 |
0.9 |
288 |
Show |
|
17462+8032 |
LDS1877 |
|
176 |
10.5 |
289 |
Show |
|
18148+8035 |
SKF1316 |
|
205 |
54.6 |
291 |
Show |
|
17515+8038 |
MFL 219 |
|
81 |
19.5 |
293 |
Show |
|
17464+7059 |
UC 3402 |
|
2 |
10.2 |
297 |
|
|
WDS 18028+7547 : COMPONENTS
|
A |
B |
B |
pa=249.1°
sep=5.60"
| |
C |
pa=300.1°
sep=6.43"
| pa=356.4°
sep=5.23"
|
18028+7547 A
Name |
HD 166655 |
|
Coord arcsec 2000 |
180250.94+754724.3 |
|
Mag |
7.03 |
|
Spectral class |
A0V (white) |
|
PmRA |
-12.00 |
|
PmDE |
41.0 |
|
SAO |
8999 |
|
HIP |
88379 |
|
Tycho2 |
4570-02411-1 |
|
HD |
166655 |
|
GC |
24685 |
|
ADS |
11072 |
|
BD |
BD+75 655 |
|
Tycho2 |
4570-02411-1 |
|
Pflag |
|
|
RAmdeg |
270.71217860 |
|
DEmdeg |
75.79019784 |
|
PmRA |
-5.3 |
|
PmDE |
43.1 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
1.2 |
|
E pmDE |
1.3 |
|
EpRAm |
1991.58 |
|
EpDEm |
1991.60 |
|
Num |
8 |
|
Q RAmdeg |
1.5 |
|
Q DEmdeg |
1.2 |
|
Q pmRA |
1.6 |
|
Q pmDE |
1.2 |
|
BTmag |
7.120 |
|
E BTmag |
0.015 |
|
VTmag |
7.030 |
|
E VTmag |
0.010 |
|
Prox |
57 |
|
TYC |
T |
|
HIP |
88379 |
|
CCDM |
A |
|
RAdeg |
270.71222778 |
|
DEdeg |
75.79009889 |
|
EpRA 1990 |
1.75 |
|
EpDE 1990 |
1.73 |
|
E RAdeg |
4.0 |
|
E DEdeg |
4.0 |
|
Posflg |
|
|
Corr |
-0.1 |
|
SAO |
8999 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0039 |
|
DE1950 |
|
|
PmDE1950 |
0.041 |
|
Vmag |
6.8 |
|
SpType |
A0 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
24685 |
|
DM |
BD+75 655 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
166655 |
|
M HD |
0 |
|
GC |
24685 |
|
RA1950rad |
4.73281675 |
|
DE1950rad |
1.32269889 |
|
PmRA2000 |
-0.0025 |
|
PmDE2000 |
0.041 |
|
Catalog |
H |
|
HIP |
88379 |
|
Proxy |
H |
|
RAhms |
18 02 50.94 |
|
DEdms |
+75 47 24.3 |
|
Vmag |
6.95 |
|
VarFlag |
1 |
|
R Vmag |
H |
|
RAdeg |
270.712 |
|
DEdeg |
75.7901 |
|
AstroRef |
A |
|
Plx |
7.43 |
|
CCDM |
18028+7547 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
247 |
|
Rho |
5.7 |
|
HD |
166655 |
|
BD |
BD+75 655 |
|
CD |
|
|
CP |
|
|
Dm number |
+75 655 |
|
VIred |
0.57 |
|
SpType |
A0 |
|
R SpType |
|
|
Coord arcsec 2000 |
180250.94+754724.3 |
|
HIP |
88379 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
4.7248198115 |
|
DErad |
1.3227866626 |
|
Plx |
7.09 |
|
PmRA |
-11.56 |
|
PmDE |
41.4 |
|
E RArad |
0.42 |
|
E DErad |
0.43 |
|
E Plx |
0.45 |
|
E pmRA |
0.47 |
|
E pmDE |
0.58 |
|
Hpmag |
6.9914 |
|
E Hpmag |
0.0021 |
|
SHp |
0.016 |
|
VA |
2 |
|
BV |
0.123 |
|
E BV |
0.008 |
|
VI |
0.14 |
|
Ccdm |
18028+7547 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
3.27 |
|
DDEs |
25.1 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
3 |
|
Vmag |
6.9 |
|
Sp |
A0 |
|
PmNote |
* |
|
PmRA |
13 |
|
PmDE |
52 |
|
Dm number |
+75 655 |
|
Cat1 |
BD |
|
Name2 |
+75 747 |
|
Cat2 |
AGK2/3 |
|
HD |
166655 |
|
M HD |
|
|
ADS BDS |
A11072 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18065N7547A |
|
HIC |
88379 |
|
18028+7547 B
Coord arcsec 2000 |
180249.52+754722.3 |
|
Coord calc |
180249.52+754722.3 |
|
Mag |
9.97 |
|
PmRA |
-12.00 |
|
PmDE |
41.0 |
|
Calc delta mag |
2.94 |
|
Ccdm |
18028+7547 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
STF2302 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1984 |
|
Theta |
247 |
|
Rho |
5.7 |
|
Obs |
12 |
|
Vmag |
9.9 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A11072 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18065N7547B |
|
HIC |
88379 |
|
18028+7547 C
Coord arcsec 2000 |
180249.43+754727.5 |
|
Mag |
9.66 |
|
PmRA |
-9.00 |
|
PmDE |
40.0 |
|
Calc delta mag |
2.63 |
|
Calc coord |
yes |
|
Ccdm |
18028+7547 |
|
RComp |
|
|
Comp |
C |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
STF2302 |
|
DRAs |
-3.10 |
|
DDEs |
27.8 |
|
R dRAs |
10 |
|
Year |
1984 |
|
Theta |
274 |
|
Rho |
22.9 |
|
Obs |
12 |
|
Vmag |
9.4 |
|
Sp |
|
|
PmNote |
* |
|
PmRA |
-4 |
|
PmDE |
42 |
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
+75 746 |
|
Cat2 |
AGK2/3 |
|
HD |
|
|
M HD |
|
|
ADS BDS |
A11072 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18065N7547C |
|
HIC |
|
|