11279+0251 STFA 19 AD
11h 27m 56.23s +02° 51' 22.5" P.A. 92.00 sep 761.5 mag 5.05,9.51 Sp G7.5IIIa dist. 172.41 pc (562.4 l.y.)
Coord 2000 |
11279+0251 |
|
Discov num |
STFA 19 |
|
Comp |
AD |
|
Coord arcsec 2000 |
11 27 56.23 +02 51 22.5 |
|
Date first |
1875 |
|
Date last |
2019 |
|
Obs |
11 |
|
Pa first |
92 |
|
Pa last |
92.1 |
|
P.A. Now (θ) |
92.1° |
|
Sep first |
766.5 |
|
Sep last |
761.5 |
|
Sep. Now (ρ) |
761.5" |
|
Mag pri |
5.05 |
|
Mag sec |
9.51 |
|
delta mag (ΔM) |
4.46 |
|
Spectral class |
G7.5IIIa (yellow) |
|
Pri motion ra |
+016 |
|
Sec motion ra |
-005 |
|
Pri motion dec |
-010 |
|
Sec motion dec |
-018 |
|
Notes |
N
(See Notes) |
|
rPM=1.191
This double is not physical.
11279+0251 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
Tau Leo |
118875 |
11 27 56 +02 51 22 |
STFA 19 AB |
2019 |
77 |
181 |
89.2 |
5.05 |
7.47 |
2.42 |
|
|
Show |
|
118875 |
11 27 56 +02 51 22 |
STFA 19 AD |
2019 |
11 |
92 |
761.5 |
5.05 |
9.51 |
4.46 |
|
<=== |
Show |
|
118876 |
11 27 56 +02 49 54 |
STFA 19 BC |
2019 |
8 |
234 |
102.4 |
7.47 |
14.48 |
7.01 |
|
|
Show |
|
118876 |
11 27 56 +02 49 54 |
STFA 19 BD |
2019 |
9 |
86 |
767.5 |
7.47 |
9.51 |
2.04 |
|
|
Show |
|
|
11 27 51 +02 48 48 |
BUP 9002 CE |
2015 |
14 |
192 |
9.2 |
14.48 |
14.22 |
0.26 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Leo |
|
SAO |
118875 |
|
HIP |
55945 |
|
Tycho2 |
0267-01193-1 |
|
Gaia DR2 |
3812336190247422336 |
|
HD |
99648 |
|
HR |
4418 |
|
GC |
15729 |
|
BD |
BD+03 2504 |
|
Bayer |
Tau Leonis |
|
Bayer name |
Tau Leo |
|
Flamsteed |
84 Leonis |
|
Flamsteed name |
84 Leo |
|
FK5 |
1297 |
|
Distance |
172.41 |
|
Distance ly |
562.4 |
|
Bayer greek |
τ Leo |
|
WDS 11279+0251 STFA 19 AD : NOTES
discov_num |
notes |
refcode |
STFA 19 |
tau Leo = 84 Leo. STTA110. B is BD+03@2505. |
|
|
AB: H 6 12. |
MEv2010 |
REFERENCES
refcode |
metd |
author |
reference |
MEv2010 |
- |
MacEvoy, B. |
................... |
MEv2010 |
|
private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) |
|
DISCOVERER
idgroup |
discov |
author |
1 |
BUP |
Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913) |
1 |
STF |
Struve, F.G.W. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
11279+0251 |
STFA 19 |
AD |
1991 |
3 |
92 |
762.2 |
5.05 |
9.51 |
|
N |
112756.23+025122.5 |
11279+0251 |
STFA 19 |
AD |
2000 |
4 |
92 |
762.1 |
5.05 |
9.51 |
|
N |
112756.23+025122.5 |
11279+0251 |
STFA 19 |
AD |
2015 |
6 |
92 |
758.7 |
5.05 |
9.51 |
G7.5IIIa |
N |
112756.23+025122.5 |
11279+0251 |
STFA 19 |
AD |
2018 |
9 |
92 |
761.2 |
5.05 |
9.51 |
G7.5IIIa |
N |
112756.23+025122.5 |
11279+0251 |
STFA 19 |
AD |
2019 |
11 |
92 |
761.5 |
5.05 |
9.51 |
G7.5IIIa |
N |
112756.23+025122.5 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 11279+0251 STFA 19 AD : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 11279+0251 STFA 19 AD : MEASURES
No records found.
WDS 11279+0251 : 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 11279+0251 : ALADIN DSS IMAGE @ 11h 27m 56.23s +02° 51' 22.5"
WDS 11279+0251 STFA 19 AD : 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 |
|
11279+0251 |
STFA 19 |
AB |
181 |
89.2 |
|
Show |
|
11279+0251 |
STFA 19 |
AD |
92 |
761.5 |
|
Show |
|
11279+0251 |
STFA 19 |
BC |
234 |
102.4 |
2 |
Show |
|
11279+0251 |
STFA 19 |
BD |
86 |
767.5 |
2 |
Show |
|
11279+0251 |
BUP9002 |
CE |
192 |
9.2 |
3 |
Show |
|
11268+0301 |
STF1540 |
AB |
146 |
28.6 |
21 |
Show |
|
11268+0301 |
STF1540 |
AC |
191 |
205.2 |
21 |
Show |
|
11300+0305 |
SLE 604 |
|
352 |
25.5 |
34 |
Show |
|
11279+0327 |
SLE 602 |
|
97 |
31.8 |
36 |
Show |
|
11300+0312 |
BU 340 |
|
11 |
4.4 |
38 |
Show |
|
11290+0322 |
GRV1055 |
|
284 |
33.7 |
40 |
Show |
|
11249+0250 |
SLE 598 |
|
219 |
26.8 |
47 |
Show |
|
11275+0340 |
SLE 601 |
|
11 |
31.6 |
50 |
Show |
|
11266+0339 |
HJ 1191 |
|
268 |
13.3 |
52 |
Show |
|
11314+0304 |
J 85 |
AB |
163 |
4.8 |
54 |
Show |
|
11284+0157 |
NSN 614 |
|
297 |
2.3 |
55 |
Show |
|
11269+0344 |
WNO 40 |
DE |
326 |
26.5 |
56 |
Show |
|
11269+0344 |
WNO 40 |
AC |
70 |
8.5 |
56 |
Show |
|
11269+0344 |
SLE 600 |
AD |
104 |
23.1 |
56 |
Show |
|
11269+0344 |
WNO 40 |
AE |
25 |
18.1 |
56 |
Show |
|
11279+0151 |
SLE 603 |
|
71 |
16.0 |
61 |
Show |
|
11321+0242 |
GWP1602 |
|
259 |
36.2 |
63 |
Show |
|
11246+0213 |
SLE 597 |
|
162 |
42.1 |
64 |
Show |
|
11239+0321 |
SLW 595 |
|
350 |
46.5 |
67 |
Show |
|
11276+0359 |
LSC 140 |
|
18 |
0.3 |
68 |
Show |
|
11251+0346 |
SLE 599 |
|
44 |
19.3 |
69 |
Show |
|
11245+0205 |
SLW 598 |
|
311 |
24.3 |
69 |
Show |
|
11285+0141 |
EPI 7 |
|
231 |
16.4 |
71 |
Show |
|
11260+0357 |
HJ 1189 |
|
115 |
20.4 |
72 |
Show |
|
11231+0258 |
BAL2381 |
|
265 |
13.5 |
74 |
Show |
|
11229+0241 |
NSN 612 |
|
173 |
1.6 |
77 |
Show |
|
11244+0155 |
A 2574 |
|
66 |
2.0 |
78 |
Show |
|
11227+0200 |
SKF1579 |
|
207 |
40.7 |
94 |
Show |
|
11340+0226 |
GWP1611 |
|
129 |
14.6 |
95 |
Show |
|
11216+0230 |
KPP2633 |
|
188 |
24.4 |
98 |
Show |
|
11218+0217 |
CBL 338 |
|
99 |
10.5 |
99 |
Show |
|
11261+0114 |
EPI 6 |
|
178 |
2.9 |
102 |
Show |
|
11338+0346 |
GWP1608 |
|
276 |
140.9 |
104 |
Show |
|
11219+0343 |
EPI 4 |
|
311 |
2.3 |
104 |
Show |
|
11274+0435 |
CBL 341 |
|
260 |
64.6 |
105 |
Show |
|
11240+0124 |
OCC 239 |
|
-1 |
0.0 |
105 |
Show |
|
11230+0408 |
A 2776 |
AB |
245 |
0.2 |
107 |
Show |
|
11230+0408 |
A 2776 |
AB,C |
61 |
6.2 |
107 |
Show |
|
11290+0105 |
RST5354 |
|
288 |
0.9 |
107 |
Show |
|
11206+0230 |
EPI 3 |
|
100 |
12.6 |
112 |
Show |
|
11210+0338 |
ITF 75 |
|
168 |
332.8 |
115 |
Show |
|
11315+0104 |
WIS 186 |
|
299 |
999.9 |
120 |
Show |
|
11221+0128 |
UC 2124 |
|
35 |
9.6 |
121 |
Show |
|
11344+0407 |
J 86 |
|
91 |
2.4 |
123 |
Show |
|
11343+0414 |
GWP1612 |
|
332 |
5.6 |
127 |
Show |
|
11362+0318 |
A 2777 |
|
88 |
4.0 |
128 |
|
|
WDS 11279+0251 : COMPONENTS
|
A |
B |
C |
D |
B |
pa=180.6°
sep=89.00"
| |
C |
pa=207.7°
sep=174.13"
| pa=230.8°
sep=103.21"
| |
D |
pa=92.1°
sep=760.56"
| pa=85.4°
sep=763.40"
| pa=81.5°
sep=850.39"
| |
E |
pa=206.9°
sep=183.01"
| pa=227.8°
sep=110.51"
| pa=191.7°
sep=9.22"
| pa=260.9°
sep=853.62"
|
11279+0251 A
Name |
Tau Leo |
|
Coord arcsec 2000 |
112756.23+025122.5 |
|
Mag |
5.05 |
|
Spectral class |
G8II (yellow) |
|
PmRA |
16.00 |
|
PmDE |
-10.0 |
|
SAO |
118875 |
|
HIP |
55945 |
|
Tycho2 |
0267-01193-1 |
|
HD |
99648 |
|
HR |
4418 |
|
GC |
15729 |
|
BD |
BD+03 2504 |
|
Bayer |
Tau Leonis |
|
Bayer name |
Tau |
|
Flamsteed |
84 Leonis |
|
Flamsteed name |
84 Leo |
|
FK5 |
1297 |
|
Tycho2 |
0267-01193-1 |
|
Pflag |
|
|
RAmdeg |
171.98433197 |
|
DEmdeg |
2.85626784 |
|
PmRA |
16.9 |
|
PmDE |
-9.9 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
0.3 |
|
E pmDE |
0.3 |
|
EpRAm |
1988.87 |
|
EpDEm |
1989.18 |
|
Num |
30 |
|
Q RAmdeg |
0.5 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
0.7 |
|
Q pmDE |
1.0 |
|
BTmag |
6.204 |
|
E BTmag |
0.014 |
|
VTmag |
5.053 |
|
E VTmag |
0.009 |
|
Prox |
893 |
|
TYC |
T |
|
HIP |
55945 |
|
CCDM |
|
|
RAdeg |
171.98429333 |
|
DEdeg |
2.85629083 |
|
EpRA 1990 |
1.78 |
|
EpDE 1990 |
1.66 |
|
E RAdeg |
3.5 |
|
E DEdeg |
3.9 |
|
Posflg |
|
|
Corr |
0.2 |
|
SAO |
118875 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0011 |
|
DE1950 |
|
|
PmDE1950 |
-0.017 |
|
Vmag |
5.2 |
|
SpType |
K0 |
|
Double code |
|
|
Source |
74 |
|
CatNum |
1297 |
|
DM |
BD+03 2504 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
99648 |
|
M HD |
0 |
|
GC |
15729 |
|
RA1950rad |
2.99047097 |
|
DE1950rad |
0.05466041 |
|
PmRA2000 |
0.0013 |
|
PmDE2000 |
-0.013 |
|
Catalog |
H |
|
HIP |
55945 |
|
Proxy |
|
|
RAhms |
11 27 56.23 |
|
DEdms |
+02 51 22.6 |
|
Vmag |
4.95 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
171.984 |
|
DEdeg |
2.85629 |
|
AstroRef |
|
|
Plx |
5.25 |
|
CCDM |
11279+0251 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
99648 |
|
BD |
BD+03 2504 |
|
CD |
|
|
CP |
|
|
Dm number |
+03 2504 |
|
VIred |
0.95 |
|
SpType |
G8II-III |
|
R SpType |
|
|
Coord arcsec 2000 |
112756.23+025122.6 |
|
HIP |
55945 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
3.0016921433 |
|
DErad |
0.0498516779 |
|
Plx |
5.8 |
|
PmRA |
16.89 |
|
PmDE |
-9.81 |
|
E RArad |
0.27 |
|
E DErad |
0.2 |
|
E Plx |
0.33 |
|
E pmRA |
0.37 |
|
E pmDE |
0.29 |
|
Hpmag |
5.116 |
|
E Hpmag |
0.0006 |
|
SHp |
0.004 |
|
VA |
0 |
|
BV |
1 |
|
E BV |
0 |
|
VI |
0.95 |
|
Ccdm |
11279+0251 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
2.26 |
|
DDEs |
22.2 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
4 |
|
Vmag |
5.2 |
|
Sp |
K0 |
|
PmNote |
* |
|
PmRA |
17 |
|
PmDE |
-17 |
|
Dm number |
+03 2504 |
|
Cat1 |
BD |
|
Name2 |
+03 1498 |
|
Cat2 |
AGK2/3 |
|
HD |
99648 |
|
M HD |
|
|
ADS BDS |
B 5790 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
11227N0326A |
|
HIC |
55945 |
|
11279+0251 B
Coord arcsec 2000 |
112756.17+024953.5 |
|
Coord calc |
112756.17+024953.5 |
|
Mag |
7.47 |
|
Spectral class |
F2 (yellow-white) |
|
PmRA |
-90.00 |
|
PmDE |
17.0 |
|
SAO |
118876 |
|
Tycho2 |
0267-01194-1 |
|
HD |
99649 |
|
DM |
BD+03 2505 |
|
Calc delta mag |
2.42 |
|
Tycho2 |
0267-01194-1 |
|
Pflag |
|
|
RAmdeg |
171.98406448 |
|
DEmdeg |
2.83153359 |
|
PmRA |
-89.6 |
|
PmDE |
16.8 |
|
E RAmdeg |
5 |
|
E DEmdeg |
7 |
|
E pmRA |
1.5 |
|
E pmDE |
1.4 |
|
EpRAm |
1991.50 |
|
EpDEm |
1991.10 |
|
Num |
10 |
|
Q RAmdeg |
0.6 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
0.5 |
|
Q pmDE |
1.0 |
|
BTmag |
7.870 |
|
E BTmag |
0.016 |
|
VTmag |
7.466 |
|
E VTmag |
0.012 |
|
Prox |
893 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
171.98426861 |
|
DEdeg |
2.83149472 |
|
EpRA 1990 |
1.80 |
|
EpDE 1990 |
1.68 |
|
E RAdeg |
5.1 |
|
E DEdeg |
6.6 |
|
Posflg |
|
|
Corr |
0.1 |
|
SAO |
118876 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0065 |
|
DE1950 |
|
|
PmDE1950 |
-0.007 |
|
Vmag |
8 |
|
SpType |
G5 |
|
Double code |
|
|
Source |
30 |
|
CatNum |
4285 |
|
DM |
BD+03 2505 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
99649 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
2.99049158 |
|
DE1950rad |
0.05421896 |
|
PmRA2000 |
-0.0063 |
|
PmDE2000 |
-0.003 |
|
Ccdm |
11279+0251 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
STF4019 |
|
DRAs |
2.18 |
|
DDEs |
-67.2 |
|
R dRAs |
10 |
|
Year |
1932 |
|
Theta |
176 |
|
Rho |
91.1 |
|
Obs |
99 |
|
Vmag |
8.1 |
|
Sp |
G5 |
|
PmNote |
* |
|
PmRA |
-88 |
|
PmDE |
-1 |
|
Dm number |
+03 2505 |
|
Cat1 |
BD |
|
Name2 |
+03 1499 |
|
Cat2 |
AGK2/3 |
|
HD |
99649 |
|
M HD |
|
|
ADS BDS |
B 5790 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
11227N0326B |
|
HIC |
|
|
11279+0251 C
Coord arcsec 2000 |
112750.83+024848.3 |
|
Coord calc |
112750.83+024848.3 |
|
Mag |
14.48 |
|
PmRA |
-5.00 |
|
PmDE |
53.0 |
|
Calc delta mag |
9.43 |
|
Ccdm |
11279+0251 |
|
RComp |
B |
|
Comp |
C |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
STF4019 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1910 |
|
Theta |
234 |
|
Rho |
106.5 |
|
Obs |
1 |
|
Vmag |
14.4 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
11227N0326C |
|
HIC |
|
|
11279+0251 D
Coord arcsec 2000 |
112846.96+025054.6 |
|
Mag |
9.51 |
|
PmRA |
-5.00 |
|
PmDE |
-18.0 |
|
Tycho2 |
0267-00414-1 |
|
Calc delta mag |
4.46 |
|
Calc coord |
yes |
|
Tycho2 |
0267-00414-1 |
|
Pflag |
|
|
RAmdeg |
172.19609829 |
|
DEmdeg |
2.84770612 |
|
PmRA |
-2.4 |
|
PmDE |
-17.0 |
|
E RAmdeg |
21 |
|
E DEmdeg |
24 |
|
E pmRA |
1.3 |
|
E pmDE |
1.3 |
|
EpRAm |
1985.57 |
|
EpDEm |
1983.14 |
|
Num |
8 |
|
Q RAmdeg |
1.2 |
|
Q DEmdeg |
0.9 |
|
Q pmRA |
1.3 |
|
Q pmDE |
0.9 |
|
BTmag |
11.288 |
|
E BTmag |
0.092 |
|
VTmag |
9.506 |
|
E VTmag |
0.031 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
172.19610083 |
|
DEdeg |
2.84774417 |
|
EpRA 1990 |
1.68 |
|
EpDE 1990 |
1.72 |
|
E RAdeg |
25.2 |
|
E DEdeg |
31.0 |
|
Posflg |
|
|
Corr |
0.0 |
|
Ccdm |
11279+0251 |
|
RComp |
|
|
Comp |
D |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
STF4019 |
|
DRAs |
53.05 |
|
DDEs |
-5.7 |
|
R dRAs |
10 |
|
Year |
1875 |
|
Theta |
092 |
|
Rho |
764.8 |
|
Obs |
2 |
|
Vmag |
10.0 |
|
Sp |
|
|
PmNote |
* |
|
PmRA |
-7 |
|
PmDE |
-28 |
|
Dm number |
+03 2507 |
|
Cat1 |
BD |
|
Name2 |
+03 1502 |
|
Cat2 |
AGK2/3 |
|
HD |
|
|
M HD |
|
|
ADS BDS |
B 5790 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
11227N0326D |
|
HIC |
|
|
11279+0251 E
Coord arcsec 2000 |
112750.71+024839.3 |
|
Mag |
14.22 |
|
Calc delta mag |
9.17 |
|
Calc coord |
yes |
|