19221-0444 STF 2501 AB (HD 181806)
19h 22m 03.68s -04° 44' 20.0" P.A. 21.00 sep 20.0 mag 7.76,9.67 Sp F5 dist. 97.66 pc (318.57 l.y.)
Coord 2000 |
19221-0444 |
|
Discov num |
STF2501 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 22 03.68 -04 44 20.0 |
|
Date first |
1825 |
|
Date last |
2015 |
|
Obs |
38 |
|
Pa first |
21 |
|
Pa last |
21.3 |
|
P.A. Now (θ) |
21.3° |
|
Sep first |
19.5 |
|
Sep last |
19.95 |
|
Sep. Now (ρ) |
19.95" |
|
Mag pri |
7.76 |
|
Mag sec |
9.67 |
|
delta mag (ΔM) |
1.91 |
|
Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
+010 |
|
Sec motion ra |
+010 |
|
Pri motion dec |
-055 |
|
Sec motion dec |
-054 |
|
Notes |
N
(See Notes) |
|
rPM=0.018 (< 0.3, Physical double)
This double is physical.
19221-0444 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 181806 |
143315 |
19 22 04 -04 44 20 |
STF 2501 AB |
2015 |
38 |
21 |
20.0 |
7.76 |
9.67 |
1.91 |
|
<=== |
Show |
|
143315 |
19 22 04 -04 44 20 |
STF 2501 AC |
2014 |
4 |
79 |
7.9 |
7.76 |
14.00 |
6.24 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 181806 |
|
Constellation |
Aquila |
|
SAO |
143315 |
|
HIP |
95202 |
|
Tycho2 |
5138-02405-1 |
|
Gaia DR2 |
4211769076500685568 |
|
HD |
181806 |
|
GC |
26711 |
|
BD |
BD-05 4945 |
|
Distance |
97.66 |
|
Distance ly |
318.57 |
|
WDS 19221-0444 STF 2501 AB (HD 181806) : NOTES
discov_num |
notes |
refcode |
STF2501 |
B is BD-05@4946. |
|
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 |
19221-0444 |
STF2501 |
AB |
2005 |
32 |
21 |
19.9 |
7.76 |
9.67 |
F5 |
N D |
192203.68-044420.0 |
19221-0444 |
STF2501 |
AB |
2013 |
35 |
22 |
19.6 |
7.76 |
9.67 |
F5 |
N D |
192203.68-044420.0 |
19221-0444 |
STF2501 |
AB |
2015 |
36 |
21 |
20.0 |
7.76 |
9.67 |
F5 |
N |
192203.68-044420.0 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 19221-0444 STF 2501 AB (HD 181806) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 19221-0444 STF 2501 AB (HD 181806) : MEASURES
No records found.
WDS 19221-0444 (HD 181806) : 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 19221-0444 (HD 181806) : ALADIN DSS IMAGE @ 19h 22m 03.68s -04° 44' 20.0"
WDS 19221-0444 STF 2501 AB (HD 181806) : 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 |
|
19221-0444 |
STF2501 |
AB |
21 |
20.0 |
|
Show |
|
19221-0444 |
STF2501 |
AC |
79 |
7.9 |
|
Show |
|
19225-0447 |
J 1673 |
|
93 |
5.0 |
6 |
Show |
|
19236-0430 |
TDT1418 |
|
70 |
0.5 |
28 |
Show |
|
19202-0454 |
GWP2840 |
|
26 |
59.8 |
30 |
Show |
|
19236-0424 |
A 103 |
|
3 |
3.5 |
30 |
Show |
|
19196-0424 |
GWP2837 |
|
150 |
83.5 |
43 |
Show |
|
19205-0525 |
ISO 10 |
Aa,Ab |
56 |
0.5 |
47 |
Show |
|
19205-0525 |
BUP 189 |
AB |
6 |
112.1 |
47 |
Show |
|
19214-0356 |
J 2264 |
AB |
18 |
47.1 |
49 |
Show |
|
19252-0430 |
A 104 |
|
54 |
5.1 |
49 |
Show |
|
19214-0356 |
J 2264 |
BC |
16 |
6.3 |
50 |
Show |
|
19253-0503 |
RST4628 |
|
117 |
1.2 |
53 |
Show |
|
19183-0416 |
KPP 918 |
|
136 |
7.6 |
63 |
Show |
|
19247-0353 |
GWP2849 |
|
297 |
7.1 |
66 |
Show |
|
19183-0520 |
GMC 19 |
|
85 |
8.3 |
67 |
Show |
|
19254-0528 |
TDT1445 |
|
104 |
0.6 |
67 |
Show |
|
19248-0349 |
GWP2850 |
|
80 |
15.2 |
69 |
Show |
|
19181-0525 |
HDS2731 |
Ba,Bb |
218 |
1.1 |
72 |
Show |
|
19181-0525 |
HJ 881 |
BC |
307 |
7.4 |
72 |
Show |
|
19181-0525 |
HJ 881 |
AB |
340 |
32.0 |
72 |
Show |
|
19181-0525 |
ABH 114 |
AD |
250 |
86.9 |
72 |
Show |
|
19181-0525 |
HO 574 |
AE |
62 |
15.6 |
72 |
Show |
|
19188-0546 |
HO 575 |
|
10 |
5.8 |
79 |
Show |
|
19260-0538 |
NSN 147 |
|
256 |
4.7 |
80 |
Show |
|
19210-0324 |
J 2961 |
|
243 |
8.1 |
82 |
Show |
|
19205-0603 |
A 101 |
|
36 |
3.5 |
83 |
Show |
|
19227-0612 |
JNN 123 |
|
80 |
0.1 |
89 |
Show |
|
19268-0350 |
TDS 991 |
|
178 |
1.1 |
89 |
Show |
|
19189-0327 |
HO 103 |
|
247 |
3.9 |
91 |
Show |
|
19180-0328 |
STF2490 |
|
247 |
3.5 |
98 |
Show |
|
19151-0428 |
LDS5873 |
|
100 |
85.5 |
106 |
Show |
|
19252-0309 |
RST5134 |
|
144 |
1.9 |
107 |
Show |
|
19149-0442 |
TDT1317 |
|
148 |
3.9 |
107 |
Show |
|
19172-0323 |
A 100 |
|
322 |
0.8 |
110 |
Show |
|
19233-0635 |
HDS2745 |
AB |
10 |
1.3 |
113 |
Show |
|
19233-0635 |
GII 282 |
Aa,Ab |
121 |
0.1 |
113 |
Show |
|
19286-0344 |
A 2596 |
|
248 |
0.3 |
115 |
Show |
|
19200-0638 |
STF2494 |
|
89 |
25.7 |
118 |
Show |
|
19201-0640 |
TDT1381 |
|
177 |
2.4 |
120 |
Show |
|
19206-0645 |
HDS2735 |
AB |
345 |
0.1 |
123 |
Show |
|
19206-0645 |
TOK 432 |
AC |
57 |
1.0 |
123 |
Show |
|
19270-0305 |
HO 106 |
|
223 |
1.2 |
124 |
Show |
|
19182-0636 |
DAM 149 |
|
279 |
7.7 |
126 |
Show |
|
19185-0640 |
DAM 150 |
|
33 |
9.5 |
128 |
Show |
|
19181-0638 |
DAM 148 |
AB |
333 |
6.0 |
128 |
Show |
|
19181-0638 |
DAM 148 |
AC |
229 |
5.6 |
128 |
Show |
|
19179-0638 |
DAM 147 |
|
25 |
8.0 |
130 |
Show |
|
19231-0653 |
RST4627 |
|
197 |
0.7 |
130 |
Show |
|
19267-0638 |
RST4629 |
|
90 |
0.7 |
133 |
Show |
|
19184-0641 |
J 2260 |
|
225 |
4.1 |
135 |
|
|
WDS 19221-0444 : COMPONENTS
|
A |
B |
B |
pa=21.2°
sep=19.94"
| |
C |
pa=79.2°
sep=7.83"
| pa=178.4°
sep=17.12"
|
19221-0444 A
Name |
HD 181806 |
|
Coord arcsec 2000 |
192203.68-044420.0 |
|
Mag |
7.76 |
|
Spectral class |
F5 (yellow-white) |
|
PmRA |
10.00 |
|
PmDE |
-55.0 |
|
SAO |
143315 |
|
HIP |
95202 |
|
Tycho2 |
5138-02405-1 |
|
HD |
181806 |
|
GC |
26711 |
|
BD |
BD-05 4945 |
|
Tycho2 |
5138-02405-1 |
|
Pflag |
|
|
RAmdeg |
290.51535988 |
|
DEmdeg |
-4.73902265 |
|
PmRA |
8.4 |
|
PmDE |
-56.0 |
|
E RAmdeg |
4 |
|
E DEmdeg |
5 |
|
E pmRA |
1.2 |
|
E pmDE |
1.1 |
|
EpRAm |
1991.48 |
|
EpDEm |
1991.16 |
|
Num |
12 |
|
Q RAmdeg |
1.5 |
|
Q DEmdeg |
1.2 |
|
Q pmRA |
1.4 |
|
Q pmDE |
1.2 |
|
BTmag |
8.240 |
|
E BTmag |
0.015 |
|
VTmag |
7.756 |
|
E VTmag |
0.011 |
|
Prox |
200 |
|
TYC |
T |
|
HIP |
95202 |
|
CCDM |
A |
|
RAdeg |
290.51534056 |
|
DEdeg |
-4.73889250 |
|
EpRA 1990 |
1.80 |
|
EpDE 1990 |
1.65 |
|
E RAdeg |
4.4 |
|
E DEdeg |
5.3 |
|
Posflg |
|
|
Corr |
-0.1 |
|
SAO |
143315 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0001 |
|
DE1950 |
|
|
PmDE1950 |
-0.046 |
|
Vmag |
7.7 |
|
SpType |
F5 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
26711 |
|
DM |
BD-05 4945 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
181806 |
|
M HD |
0 |
|
GC |
26711 |
|
RA1950rad |
5.05887946 |
|
DE1950rad |
-0.08437385 |
|
PmRA2000 |
0.0003 |
|
PmDE2000 |
-0.047 |
|
Catalog |
H |
|
HIP |
95202 |
|
Proxy |
|
|
RAhms |
19 22 03.68 |
|
DEdms |
-04 44 20.0 |
|
Vmag |
7.69 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
290.515 |
|
DEdeg |
-4.73889 |
|
AstroRef |
A |
|
Plx |
10.99 |
|
CCDM |
19221-0444 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
1 |
|
MultFlag |
C |
|
Source |
P |
|
Qual |
A |
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
181806 |
|
BD |
BD-05 4945 |
|
CD |
|
|
CP |
|
|
Dm number |
-05 4945 |
|
VIred |
0.55 |
|
SpType |
F5 |
|
R SpType |
|
|
Coord arcsec 2000 |
192203.68-044420.0 |
|
HIP |
95202 |
|
Sn |
95 |
|
So |
3 |
|
Nc |
1 |
|
RArad |
5.0704492037 |
|
DErad |
-0.0827091616 |
|
Plx |
10.24 |
|
PmRA |
9.08 |
|
PmDE |
-54.4 |
|
E RArad |
1.15 |
|
E DErad |
0.72 |
|
E Plx |
1.31 |
|
E pmRA |
1.49 |
|
E pmDE |
1.05 |
|
Hpmag |
7.7939 |
|
E Hpmag |
0.0174 |
|
SHp |
0.039 |
|
VA |
0 |
|
BV |
0.475 |
|
E BV |
0.012 |
|
VI |
0.55 |
|
Ccdm |
19221-0444 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-2.38 |
|
DDEs |
-20.0 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
3 |
|
Vmag |
7.7 |
|
Sp |
F5 |
|
PmNote |
* |
|
PmRA |
2 |
|
PmDE |
-47 |
|
Dm number |
-05 4945 |
|
Cat1 |
BD |
|
Name2 |
143315 |
|
Cat2 |
SAO |
|
HD |
181806 |
|
M HD |
|
|
ADS BDS |
A12347 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
19168S0456A |
|
HIC |
95202 |
|
19221-0444 B
Coord arcsec 2000 |
192204.16-044401.4 |
|
Mag |
9.67 |
|
PmRA |
10.00 |
|
PmDE |
-54.0 |
|
HIP |
95205 |
|
BD |
BD-05 4946 |
|
Calc delta mag |
1.91 |
|
Calc coord |
yes |
|
Catalog |
H |
|
HIP |
95205 |
|
Proxy |
|
|
RAhms |
19 22 04.17 |
|
DEdms |
-04 44 01.4 |
|
Vmag |
9.9 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
290.517 |
|
DEdeg |
-4.73372 |
|
AstroRef |
B |
|
Plx |
10.99 |
|
CCDM |
19221-0444 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
1 |
|
MultFlag |
C |
|
Source |
F |
|
Qual |
A |
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
|
|
BD |
BD-05 4946 |
|
CD |
|
|
CP |
|
|
Dm number |
-05 4946 |
|
VIred |
0.73 |
|
SpType |
|
|
R SpType |
|
|
Coord arcsec 2000 |
192204.17-044401.4 |
|
HIP |
95205 |
|
Sn |
95 |
|
So |
3 |
|
Nc |
1 |
|
RArad |
5.0704847034 |
|
DErad |
-0.0826190895 |
|
Plx |
-36.49 |
|
PmRA |
39.25 |
|
PmDE |
-58.12 |
|
E RArad |
10.07 |
|
E DErad |
6.44 |
|
E Plx |
13.04 |
|
E pmRA |
13.74 |
|
E pmDE |
10.53 |
|
Hpmag |
9.6127 |
|
E Hpmag |
0.0769 |
|
SHp |
0 |
|
VA |
0 |
|
BV |
0.743 |
|
E BV |
0.041 |
|
VI |
0.79 |
|
Ccdm |
19221-0444 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
STF2501 |
|
DRAs |
-1.71 |
|
DDEs |
-2.2 |
|
R dRAs |
10 |
|
Year |
1829 |
|
Theta |
022 |
|
Rho |
19.8 |
|
Obs |
9 |
|
Vmag |
10.2 |
|
Sp |
|
|
PmNote |
* |
|
PmRA |
36 |
|
PmDE |
-59 |
|
Dm number |
-05 4946 |
|
Cat1 |
BD |
|
Name2 |
143316 |
|
Cat2 |
SAO |
|
HD |
|
|
M HD |
|
|
ADS BDS |
A12347 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
19168S0456B |
|
HIC |
95205 |
|
19221-0444 C
Coord arcsec 2000 |
192204.19-044418.5 |
|
Mag |
14 |
|
Calc delta mag |
6.24 |
|
Calc coord |
yes |
|
Ccdm |
19221-0444 |
|
RComp |
|
|
Comp |
C |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
STF2501 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1901 |
|
Theta |
108 |
|
Rho |
9.6 |
|
Obs |
1 |
|
Vmag |
13.9 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A12347 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
19168S0456C |
|
HIC |
95202 |
|