20490+2540 HDS 2966 (HD 198366)
20h 48m 59.70s +25° 40' 20.7" P.A. 229.00 sep 0.5 mag 8.00,11.56 Sp B9 dist. 340.14 pc (1109.54 l.y.)
Coord 2000 |
20490+2540 |
|
Discov num |
HDS2966 |
|
Comp |
|
|
Coord arcsec 2000 |
20 48 59.70 +25 40 20.7 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
Pa first |
226 |
|
Pa last |
229.4 |
|
P.A. Now (θ) |
229.4° |
|
Sep first |
0.5 |
|
Sep last |
0.518 |
|
Sep. Now (ρ) |
0.518" |
|
Mag pri |
8.00 |
|
Mag sec |
11.56 |
|
delta mag (ΔM) |
3.56 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
+017 |
|
Sec motion ra |
|
|
Pri motion dec |
+008 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 198366 |
|
Constellation |
Vulpecula |
|
SAO |
89161 |
|
HIP |
102728 |
|
Tycho2 |
2175-01805-1 |
|
Gaia DR2 |
1843793622967665408 |
|
HD |
198366 |
|
BD |
BD+25 4383 |
|
Distance |
340.14 |
|
Distance ly |
1109.54 |
|
WDS 20490+2540 HDS 2966 (HD 198366) : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
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 |
20490+2540 |
HDS2966 |
|
1991 |
1 |
226 |
0.5 |
8.00 |
11.56 |
B9 |
D |
204859.70+254020.7 |
20490+2540 |
HDS2966 |
|
2016 |
3 |
229 |
0.5 |
8.00 |
11.56 |
B9 |
|
204859.70+254020.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20490+2540 HDS 2966 (HD 198366) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20490+2540 HDS 2966 (HD 198366) : MEASURES
No records found.
WDS 20490+2540 (HD 198366) : 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 20490+2540 (HD 198366) : ALADIN DSS IMAGE @ 20h 48m 59.70s +25° 40' 20.7"
WDS 20490+2540 HDS 2966 (HD 198366) : 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 |
|
20490+2540 |
HDS2966 |
|
229 |
0.5 |
|
Show |
|
20490+2544 |
J 3111 |
|
138 |
6.3 |
4 |
Show |
|
20485+2540 |
TDT2553 |
|
347 |
0.6 |
7 |
Show |
|
20497+2535 |
J 3112 |
|
75 |
5.8 |
13 |
Show |
|
20499+2547 |
GRV 386 |
|
200 |
14.5 |
15 |
Show |
|
20497+2526 |
POU5028 |
|
336 |
14.8 |
18 |
Show |
|
20487+2517 |
POU5015 |
|
78 |
14.6 |
24 |
Show |
|
20495+2516 |
POU5025 |
|
80 |
8.6 |
25 |
Show |
|
20478+2519 |
WSI 49 |
BE |
141 |
5.1 |
26 |
Show |
|
20478+2519 |
BKO 856 |
FG |
178 |
9.1 |
27 |
Show |
|
20478+2519 |
BUP 218 |
AB |
37 |
49.4 |
27 |
Show |
|
20478+2519 |
BUP 218 |
AC |
99 |
102.9 |
27 |
Show |
|
20478+2519 |
BUP 218 |
AD |
252 |
154.0 |
27 |
Show |
|
20478+2519 |
DAM 514 |
AF |
100 |
44.2 |
27 |
Show |
|
20507+2527 |
POU5042 |
|
344 |
7.4 |
27 |
Show |
|
20483+2515 |
POU5004 |
|
324 |
15.0 |
27 |
Show |
|
20507+2525 |
BKO 876 |
|
65 |
8.2 |
28 |
Show |
|
20501+2604 |
HL 9002 |
|
138 |
16.0 |
28 |
Show |
|
20478+2519 |
POU4996 |
DH |
127 |
12.0 |
29 |
Show |
|
20503+2518 |
POU5040 |
|
290 |
18.9 |
29 |
Show |
|
20492+2510 |
POU5021 |
|
355 |
6.0 |
30 |
Show |
|
20471+2525 |
BU 364 |
|
75 |
0.7 |
31 |
Show |
|
20491+2509 |
BKO 865 |
|
101 |
8.9 |
32 |
Show |
|
20501+2512 |
POU5038 |
|
342 |
16.2 |
32 |
Show |
|
20499+2510 |
POU5029 |
|
20 |
12.3 |
33 |
Show |
|
20500+2508 |
BKO 874 |
|
254 |
12.5 |
33 |
Show |
|
20487+2507 |
BKO 862 |
|
55 |
7.9 |
34 |
Show |
|
20482+2508 |
POU5003 |
|
208 |
14.4 |
34 |
Show |
|
20499+2508 |
POU5030 |
|
343 |
4.5 |
34 |
Show |
|
20506+2512 |
POU5041 |
|
177 |
14.2 |
35 |
Show |
|
20515+2533 |
COU 829 |
|
218 |
2.3 |
35 |
Show |
|
20497+2507 |
BKO 868 |
|
276 |
9.7 |
36 |
Show |
|
20492+2504 |
POU5020 |
|
68 |
4.0 |
36 |
Show |
|
20490+2504 |
BKO 864 |
|
313 |
9.1 |
37 |
Show |
|
20503+2507 |
POU5039 |
|
84 |
10.8 |
38 |
Show |
|
20480+2504 |
POU5001 |
|
197 |
7.7 |
39 |
Show |
|
20462+2526 |
POU4974 |
|
106 |
17.3 |
40 |
Show |
|
20485+2501 |
POU5008 |
|
312 |
7.8 |
41 |
Show |
|
20513+2511 |
POU5045 |
|
314 |
13.7 |
43 |
Show |
|
20482+2622 |
COU 827 |
Aa,Ab |
332 |
0.6 |
43 |
Show |
|
20482+2622 |
TDT2548 |
AB |
148 |
0.6 |
43 |
Show |
|
20474+2502 |
POU4992 |
|
336 |
17.8 |
44 |
Show |
|
20482+2624 |
STF2728 |
AB |
25 |
10.5 |
45 |
Show |
|
20482+2624 |
STF2728 |
AC |
213 |
19.4 |
45 |
Show |
|
20482+2624 |
FYM 66 |
AF |
295 |
129.1 |
45 |
Show |
|
20482+2624 |
FYM 66 |
AD |
193 |
59.8 |
45 |
Show |
|
20482+2624 |
FYM 66 |
AE |
294 |
114.1 |
45 |
Show |
|
20482+2624 |
FYM 66 |
EF |
301 |
15.1 |
46 |
Show |
|
20499+2456 |
BKO 870 |
|
235 |
8.3 |
47 |
Show |
|
20507+2621 |
KPP3362 |
|
277 |
3.9 |
47 |
Show |
|
20462+2513 |
POU4972 |
|
279 |
13.8 |
47 |
|
|
WDS 20490+2540 : COMPONENTS
20490+2540 A
Componente originario normalizzato |
AB |
|
Name |
HD 198366 |
|
Coord arcsec 2000 |
204859.70+254020.7 |
|
Mag |
8 |
|
Spectral class |
B9 (blue-white) |
|
PmRA |
17.00 |
|
PmDE |
8.0 |
|
SAO |
89161 |
|
HIP |
102728 |
|
Tycho2 |
2175-01805-1 |
|
HD |
198366 |
|
BD |
BD+25 4383 |
|
Tycho2 |
2175-01805-1 |
|
Pflag |
|
|
RAmdeg |
312.24881417 |
|
DEmdeg |
25.67242663 |
|
PmRA |
21.0 |
|
PmDE |
9.8 |
|
E RAmdeg |
5 |
|
E DEmdeg |
5 |
|
E pmRA |
1.4 |
|
E pmDE |
1.3 |
|
EpRAm |
1991.22 |
|
EpDEm |
1991.23 |
|
Num |
9 |
|
Q RAmdeg |
0.6 |
|
Q DEmdeg |
0.8 |
|
Q pmRA |
0.7 |
|
Q pmDE |
0.8 |
|
BTmag |
7.942 |
|
E BTmag |
0.016 |
|
VTmag |
7.903 |
|
E VTmag |
0.012 |
|
Prox |
725 |
|
TYC |
T |
|
HIP |
102728 |
|
CCDM |
AB |
|
RAdeg |
312.24875944 |
|
DEdeg |
25.67240361 |
|
EpRA 1990 |
1.50 |
|
EpDE 1990 |
1.52 |
|
E RAdeg |
5.1 |
|
E DEdeg |
5.3 |
|
Posflg |
P |
|
Corr |
0.1 |
|
SAO |
89161 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0006 |
|
DE1950 |
|
|
PmDE1950 |
0.002 |
|
Vmag |
8.1 |
|
SpType |
B9 |
|
Double code |
|
|
Source |
35 |
|
CatNum |
7950 |
|
DM |
BD+25 4383 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
198366 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
5.44030851 |
|
DE1950rad |
0.44481599 |
|
PmRA2000 |
0.0007 |
|
PmDE2000 |
-0.002 |
|
Catalog |
H |
|
HIP |
102728 |
|
Proxy |
H |
|
RAhms |
20 48 59.70 |
|
DEdms |
+25 40 20.7 |
|
Vmag |
7.94 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
312.249 |
|
DEdeg |
25.6724 |
|
AstroRef |
A |
|
Plx |
3.19 |
|
CCDM |
20490+2540 |
|
N CCDM |
H |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
B |
|
M HIP |
AB |
|
Theta |
226 |
|
Rho |
0.539 |
|
HD |
198366 |
|
BD |
BD+25 4383 |
|
CD |
|
|
CP |
|
|
Dm number |
+25 4383 |
|
VIred |
0.06 |
|
SpType |
B9 |
|
R SpType |
|
|
Coord arcsec 2000 |
204859.70+254020.7 |
|
HIP |
102728 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
5.4497690018 |
|
DErad |
0.4480680214 |
|
Plx |
2.94 |
|
PmRA |
17.02 |
|
PmDE |
7.8 |
|
E RArad |
0.49 |
|
E DErad |
0.49 |
|
E Plx |
0.81 |
|
E pmRA |
0.58 |
|
E pmDE |
0.51 |
|
Hpmag |
7.9594 |
|
E Hpmag |
0.0016 |
|
SHp |
0.013 |
|
VA |
0 |
|
BV |
0.04 |
|
E BV |
0.015 |
|
VI |
0.06 |
|
Ccdm |
20490+2540 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-0.29 |
|
DDEs |
20.7 |
|
R dRAs |
82 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
8.0 |
|
Sp |
B9 |
|
PmNote |
* |
|
PmRA |
17 |
|
PmDE |
8 |
|
Dm number |
+25 4383 |
|
Cat1 |
BD |
|
Name2 |
+25 2457 |
|
Cat2 |
AGK2/3 |
|
HD |
198366 |
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
|
|
HIC |
102728 |
|
20490+2540 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
204859.67+254020.4 |
|
Mag |
11.56 |
|
Calc delta mag |
3.56 |
|
Calc coord |
yes |
|
Ccdm |
20490+2540 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
HDS |
|
DRAs |
-0.32 |
|
DDEs |
20.4 |
|
R dRAs |
82 |
|
Year |
1991 |
|
Theta |
226 |
|
Rho |
0.5 |
|
Obs |
1 |
|
Vmag |
11.6 |
|
Sp |
|
|
PmNote |
* |
|
PmRA |
17 |
|
PmDE |
8 |
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
|
|
HIC |
102728 |
|