11387+4507 STF 1561 AB (HD 101177)
11h 38m 44.90s +45° 06' 30.3" P.A. 246.00 sep 8.9 mag 6.53,8.23 Sp G0V+K2V dist. 23.25 pc (75.84 l.y.)
Coord 2000 |
11387+4507 |
|
Discov num |
STF1561 |
|
Comp |
AB |
|
Coord arcsec 2000 |
11 38 44.90 +45 06 30.3 |
|
Date first |
1782 |
|
Date last |
2019 |
|
Obs |
161 |
|
Pa first |
270 |
|
Pa last |
245.7 |
|
P.A. Now (θ) |
245.7° |
|
Sep first |
12.5 |
|
Sep last |
8.916 |
|
Sep. Now (ρ) |
8.916" |
|
Mag pri |
6.53 |
|
Mag sec |
8.23 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
G0V+K2V (yellow/yellow-orange) |
|
Pri motion ra |
-594 |
|
Sec motion ra |
-571 |
|
Pri motion dec |
+015 |
|
Sec motion dec |
-001 |
|
Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.047 (< 0.3, Physical double)
This double is physical.
11387+4507 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 101177 |
43841 |
11 38 45 +45 06 30 |
STF 1561 AB |
2019 |
161 |
246 |
8.9 |
6.53 |
8.23 |
1.70 |
Y |
<=== |
Show |
|
43841 |
11 38 45 +45 06 30 |
STF 1561 AC |
2015 |
28 |
90 |
176.8 |
6.53 |
9.46 |
2.93 |
|
|
Show |
|
43841 |
11 38 45 +45 06 30 |
STF 1561 AD |
2015 |
5 |
76 |
718.2 |
6.53 |
7.56 |
1.03 |
|
|
Show |
|
43841 |
11 38 45 +45 06 30 |
STF 1561 AE |
2015 |
13 |
338 |
60.7 |
6.53 |
12.08 |
5.55 |
|
|
Show |
|
|
11 38 44 +45 06 27 |
STF 1561 BC |
2015 |
20 |
89 |
179.6 |
8.23 |
9.46 |
1.23 |
|
|
Show |
|
|
11 38 44 +45 06 27 |
STF 1561 BE |
2015 |
10 |
347 |
61.7 |
8.23 |
12.08 |
3.85 |
|
|
Show |
|
|
11 39 00 +45 06 31 |
STF 1561 CD |
2015 |
6 |
72 |
553.1 |
9.46 |
7.56 |
1.90 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 101177 |
|
Constellation |
Ursa Major |
|
SAO |
43841 |
|
HIP |
56809 |
|
Tycho2 |
3452-01883-1 |
|
HD |
101177 |
|
HR |
4486 |
|
GC |
15976 |
|
ADS |
8250 |
|
GL |
Gl 433.2A |
|
BD |
BD+45 1947 |
|
Distance |
23.25 |
|
Distance ly |
75.84 |
|
ORBITAL ELEMENTS
Period (P) | 1584.3798y | ± 558.908 |
Periastron (T) | 1548.9975y | ± 135.2553 |
Semi-major axis (a) | 13.88028a | ± 8.48814 |
Eccentricity (e) | 0.63268 | ± 0.23949 |
Inclination (i) | 108.687° | ± 10.571 |
Longitude of periastron (ω) | 273.84° | ± 16.662 |
Node (Ω) | 288.192° | ± 9.031 |
Notes | n | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
248.4 |
9.126 |
2001 |
248.2 |
9.115 |
2002 |
248.1 |
9.104 |
2003 |
248.0 |
9.094 |
2004 |
247.8 |
9.083 |
2005 |
247.7 |
9.072 |
2006 |
247.6 |
9.062 |
2007 |
247.4 |
9.051 |
2008 |
247.3 |
9.040 |
2009 |
247.2 |
9.030 |
2010 |
247.0 |
9.019 |
2011 |
246.9 |
9.008 |
2012 |
246.8 |
8.998 |
2013 |
246.6 |
8.987 |
2014 |
246.5 |
8.976 |
2015 |
246.4 |
8.966 |
2016 |
246.2 |
8.955 |
2017 |
246.1 |
8.944 |
2018 |
246.0 |
8.934 |
2019 |
245.8 |
8.923 |
2020 |
245.7 |
8.912 |
2021 |
245.5 |
8.902 |
2022 |
245.4 |
8.891 |
2023 |
245.3 |
8.880 |
2024 |
245.1 |
8.870 |
2025 |
245.0 |
8.859 |
2026 |
244.9 |
8.848 |
2027 |
244.7 |
8.838 |
2028 |
244.6 |
8.827 |
2029 |
244.4 |
8.816 |
2030 |
244.3 |
8.806 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 11387+4507 STF 1561 AB (HD 101177) : NOTES
discov_num |
notes |
refcode |
STF1561 |
AB: Secondary is 23.5d SB1; AB has estimated period of 2100y. |
Tok2006 |
|
AB: NLTT 28087/28086 |
Chm2004 |
|
AB: H 3 87. |
MEv2010 |
|
AB: B is SB2, P=23.541d |
Tok2014d |
|
AC and AE: Optical pairs, based on study of relative motion of the |
|
|
components using the method of apparent motion parameters. |
Kiy2008 |
|
AE, BC: Rectilinear solutions by Friedman et al. (2011). |
USN2011a |
|
BE: Rectilinear solution by Hurowitz et al. (2014). |
USN2014a |
REFERENCES
refcode |
metd |
author |
reference |
Chm2004 |
E - |
Chaname, J. & Gould, A. |
2004ApJ...601..289C |
Chm2004 |
|
ApJ 601, 289, 2004 |
|
Chm2004 |
|
(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early |
|
Chm2004 |
|
versions of 2MASS and UCAC, with date given only as "circa 2000". Measures |
|
Chm2004 |
|
identical to discovery observations - predominantly close pairs - were assumed |
|
Chm2004 |
|
not new observations, so not included in WDS. Similar concerns when primary and |
|
Chm2004 |
|
secondary magnitudes or proper motions were the same.) |
|
Izm2019 |
orb u |
Izmailov, I.S. |
2019AstL...45...30I |
Izm2019 |
|
Ast. Lett. 45, 30, 2019 |
|
Izm2019 |
|
(Orbital elements from weighted solutions used when available (Table 2), |
|
Izm2019 |
|
unweighted elements (Table 1) used for remaining 29 systems.) |
|
Kiy2008 |
- |
Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. |
2008SvAL...32..405K |
Kiy2008 |
|
SvAL 34, 405, 2008 |
|
MEv2010 |
- |
MacEvoy, B. |
................... |
MEv2010 |
|
private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) |
|
Tok2006 |
A j |
Tokovinin, A., Thomas, S., Sterzik, M., & Udry, S. |
2006A&A...450..681T |
Tok2006 |
+E2 |
A&A 450, 681, 2006 |
|
Tok2014d |
E2 - |
Tokovinin, A. |
2014AJ....147...86T |
Tok2014d |
|
AJ 147, 86, 2014 |
|
USN2011a |
lin - |
Friedman, E.A., Mason, B.D., & Hartkopf, W.I. |
2011IAUDS.175....1F |
USN2011a |
|
Inf. Circ. 175, 1, 2011 |
|
USN2014a |
lin - |
Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. |
2014IAUDS.182....1H |
USN2014a |
|
Inf. Circ. 182, 1, 2014 |
|
DISCOVERER
idgroup |
discov |
author |
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 |
11387+4507 |
STF1561 |
AB |
2007 |
110 |
248 |
9.3 |
6.53 |
8.23 |
G0V |
NODV |
113844.90+450630.3 |
11387+4507 |
STF1561 |
AB |
2008 |
111 |
247 |
9.6 |
6.53 |
8.23 |
G0V |
NODV |
113844.90+450630.3 |
11387+4507 |
STF1561 |
AB |
2009 |
120 |
249 |
8.9 |
6.53 |
8.23 |
G0V |
NOD |
113844.90+450630.3 |
11387+4507 |
STF1561 |
AB |
2011 |
121 |
247 |
9.0 |
6.53 |
8.23 |
G0V |
NOD |
113844.90+450630.3 |
11387+4507 |
STF1561 |
AB |
2013 |
123 |
246 |
9.1 |
6.53 |
8.23 |
G0V |
NOD |
113844.90+450630.3 |
11387+4507 |
STF1561 |
AB |
2015 |
134 |
245 |
9.2 |
6.53 |
8.23 |
G0V |
NOD |
113844.90+450630.3 |
11387+4507 |
STF1561 |
AB |
2017 |
147 |
247 |
8.9 |
6.53 |
8.23 |
G0V |
NO |
113844.90+450630.3 |
11387+4507 |
STF1561 |
AB |
2019 |
150 |
247 |
8.9 |
6.53 |
8.23 |
G0V |
NO |
113844.90+450630.3 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 11387+4507 STF 1561 AB (HD 101177) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 11387+4507 STF 1561 AB (HD 101177) : MEASURES
No records found.
WDS 11387+4507 (HD 101177) : 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 11387+4507 (HD 101177) : ALADIN DSS IMAGE @ 11h 38m 44.90s +45° 06' 30.3"
WDS 11387+4507 STF 1561 AB (HD 101177) : 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 |
|
11387+4507 |
STF1561 |
AB |
246 |
8.9 |
|
Show |
|
11387+4507 |
STF1561 |
AC |
90 |
176.8 |
|
Show |
|
11387+4507 |
STF1561 |
AE |
338 |
60.7 |
|
Show |
|
11387+4507 |
STF1561 |
AD |
76 |
718.2 |
|
Show |
|
11387+4507 |
STF1561 |
BC |
89 |
179.6 |
1 |
Show |
|
11387+4507 |
STF1561 |
BE |
347 |
61.7 |
1 |
Show |
|
11387+4507 |
STF1561 |
CD |
72 |
553.1 |
3 |
Show |
|
11387+4450 |
TDS7974 |
|
40 |
0.5 |
17 |
Show |
|
11406+4524 |
SKF2632 |
|
275 |
10.5 |
27 |
Show |
|
11336+4445 |
LEO 34 |
|
159 |
1.7 |
59 |
Show |
|
11444+4518 |
KPP3245 |
|
125 |
1.4 |
61 |
Show |
|
11385+4405 |
ES 1153 |
|
259 |
5.8 |
62 |
Show |
|
11401+4608 |
LDS4130 |
|
247 |
156.9 |
63 |
Show |
|
11390+4614 |
LDS5736 |
|
248 |
319.6 |
68 |
Show |
|
11455+4536 |
STF1570 |
|
49 |
10.9 |
78 |
Show |
|
11438+4411 |
ES 123 |
AB |
204 |
6.8 |
78 |
Show |
|
11438+4411 |
ES 123 |
AC |
273 |
44.6 |
78 |
Show |
|
11438+4411 |
ES 123 |
BC |
282 |
42.1 |
78 |
Show |
|
11308+4508 |
LDS4107 |
|
193 |
51.5 |
85 |
Show |
|
11319+4555 |
COU1750 |
|
235 |
2.0 |
87 |
Show |
|
11470+4508 |
LDS5741 |
|
110 |
80.2 |
87 |
Show |
|
11383+4338 |
TOK 549 |
|
10 |
528.0 |
90 |
Show |
|
11297+4515 |
LDS4105 |
|
325 |
127.6 |
97 |
Show |
|
11479+4541 |
HJ 1198 |
|
104 |
11.9 |
103 |
Show |
|
11473+4601 |
SLW 649 |
|
214 |
36.8 |
105 |
Show |
|
11462+4357 |
HJ 2585 |
|
68 |
36.2 |
106 |
Show |
|
11435+4334 |
COU1423 |
|
204 |
1.0 |
106 |
Show |
|
11334+4637 |
COU1751 |
|
147 |
0.2 |
106 |
Show |
|
11286+4526 |
UC 2147 |
|
236 |
38.0 |
109 |
Show |
|
11309+4345 |
YSC 42 |
AB |
127 |
0.1 |
117 |
Show |
|
11309+4345 |
TOK 547 |
AC |
319 |
999.9 |
117 |
Show |
|
11342+4656 |
LDS4117 |
|
55 |
55.2 |
120 |
Show |
|
11279+4434 |
STF1542 |
|
267 |
3.9 |
120 |
Show |
|
11358+4308 |
SKF 832 |
AB |
252 |
29.5 |
124 |
Show |
|
11288+4615 |
SLW 606 |
|
156 |
21.7 |
125 |
Show |
|
11473+4339 |
SKF2633 |
|
258 |
6.1 |
127 |
Show |
|
11277+4410 |
A 1848 |
|
190 |
0.6 |
132 |
Show |
|
11395+4719 |
SLW 627 |
|
242 |
156.3 |
133 |
Show |
|
11489+4350 |
SLW 654 |
|
21 |
166.2 |
133 |
Show |
|
11513+4516 |
WIS 193 |
AB |
344 |
999.9 |
134 |
Show |
|
11513+4516 |
KPP3247 |
Aa,Ab |
282 |
1.3 |
134 |
Show |
|
11277+4618 |
STF1541 |
|
27 |
7.8 |
137 |
Show |
|
11517+4449 |
HJ 842 |
|
88 |
3.1 |
139 |
Show |
|
11439+4717 |
ES 1084 |
|
261 |
4.8 |
142 |
Show |
|
11374+4728 |
KU 39 |
|
144 |
1.2 |
142 |
Show |
|
11389+4733 |
COU1574 |
|
183 |
1.7 |
146 |
Show |
|
11498+4637 |
SKF2636 |
BC |
344 |
24.5 |
147 |
Show |
|
11498+4637 |
SKF2636 |
AB |
295 |
9.1 |
147 |
Show |
|
11498+4637 |
SKF2636 |
AC |
331 |
31.3 |
147 |
Show |
|
11512+4405 |
STF1574 |
|
6 |
9.4 |
147 |
Show |
|
11467+4305 |
SLW 646 |
|
285 |
11.0 |
149 |
|
|
WDS 11387+4507 : COMPONENTS
|
A |
B |
C |
D |
B |
pa=249.0°
sep=9.19"
| |
C |
pa=89.7°
sep=162.19"
| pa=88.6°
sep=170.81"
| |
D |
pa=70.5°
sep=521.42"
| pa=70.5°
sep=530.60"
| pa=62.3°
sep=372.08"
| |
E |
pa=344.4°
sep=58.61"
| pa=353.1°
sep=60.18"
| pa=287.3°
sep=186.40"
| pa=257.0°
sep=520.70"
|
11387+4507 A
Name |
HD 101177 |
|
Coord arcsec 2000 |
113844.90+450630.3 |
|
Mag |
6.53 |
|
Spectral class |
G0V (yellow) |
|
PmRA |
-594.00 |
|
PmDE |
15.0 |
|
SAO |
43841 |
|
HIP |
56809 |
|
Tycho2 |
3452-01883-1 |
|
HD |
101177 |
|
HR |
4486 |
|
GC |
15976 |
|
BD |
BD+45 1947 |
|
Tycho2 |
3452-01883-1 |
|
Pflag |
|
|
RAmdeg |
174.68708647 |
|
DEmdeg |
45.10841579 |
|
PmRA |
-594.0 |
|
PmDE |
15.1 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
1.2 |
|
E pmDE |
1.3 |
|
EpRAm |
1991.36 |
|
EpDEm |
1991.46 |
|
Num |
9 |
|
Q RAmdeg |
1.2 |
|
Q DEmdeg |
1.8 |
|
Q pmRA |
1.2 |
|
Q pmDE |
1.6 |
|
BTmag |
7.167 |
|
E BTmag |
0.015 |
|
VTmag |
6.534 |
|
E VTmag |
0.010 |
|
Prox |
93 |
|
TYC |
T |
|
HIP |
56809 |
|
CCDM |
A |
|
RAdeg |
174.68906194 |
|
DEdeg |
45.10838056 |
|
EpRA 1990 |
1.55 |
|
EpDE 1990 |
1.62 |
|
E RAdeg |
4.4 |
|
E DEdeg |
4.1 |
|
Posflg |
|
|
Corr |
0.2 |
|
SAO |
43841 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0566 |
|
DE1950 |
|
|
PmDE1950 |
0.021 |
|
Vmag |
6.3 |
|
SpType |
G0 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
15976 |
|
DM |
BD+45 1947 |
|
DMcomp |
A |
|
BDsup |
|
|
HD |
101177 |
|
M HD |
0 |
|
GC |
15976 |
|
RA1950rad |
3.03740635 |
|
DE1950rad |
0.79212248 |
|
PmRA2000 |
-0.0561 |
|
PmDE2000 |
0.026 |
|
Catalog |
H |
|
HIP |
56809 |
|
Proxy |
H |
|
RAhms |
11 38 45.39 |
|
DEdms |
+45 06 30.2 |
|
Vmag |
6.29 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
174.689 |
|
DEdeg |
45.1084 |
|
AstroRef |
A |
|
Plx |
42.94 |
|
CCDM |
11387+4506 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
250 |
|
Rho |
9.224 |
|
HD |
101177 |
|
BD |
BD+45 1947 |
|
CD |
|
|
CP |
|
|
Dm number |
+45 1947 |
|
VIred |
0.64 |
|
SpType |
G0V |
|
R SpType |
|
|
Coord arcsec 2000 |
113845.39+450630.2 |
|
HIP |
56809 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
3.0489005204 |
|
DErad |
0.7872897482 |
|
Plx |
43.01 |
|
PmRA |
-594.65 |
|
PmDE |
15.78 |
|
E RArad |
0.55 |
|
E DErad |
0.34 |
|
E Plx |
0.73 |
|
E pmRA |
0.62 |
|
E pmDE |
0.38 |
|
Hpmag |
6.4144 |
|
E Hpmag |
0.0008 |
|
SHp |
0.01 |
|
VA |
0 |
|
BV |
0.566 |
|
E BV |
0.007 |
|
VI |
0.64 |
|
11387+4507 B
Coord arcsec 2000 |
113844.09+450627.0 |
|
Coord calc |
113844.09+450627.0 |
|
Mag |
8.23 |
|
Spectral class |
K2V (yellow-orange) |
|
PmRA |
-571.00 |
|
PmDE |
-1.0 |
|
Tycho2 |
3452-01883-2 |
|
Calc delta mag |
1.7 |
|
Tycho2 |
3452-01883-2 |
|
Pflag |
|
|
RAmdeg |
174.68371076 |
|
DEmdeg |
45.10749285 |
|
PmRA |
-577.3 |
|
PmDE |
1.5 |
|
E RAmdeg |
8 |
|
E DEmdeg |
8 |
|
E pmRA |
1.0 |
|
E pmDE |
1.0 |
|
EpRAm |
1991.00 |
|
EpDEm |
1991.00 |
|
Num |
8 |
|
Q RAmdeg |
1.9 |
|
Q DEmdeg |
0.4 |
|
Q pmRA |
2.0 |
|
Q pmDE |
0.4 |
|
BTmag |
9.253 |
|
E BTmag |
0.021 |
|
VTmag |
8.232 |
|
E VTmag |
0.014 |
|
Prox |
93 |
|
TYC |
T |
|
HIP |
56809 |
|
CCDM |
B |
|
RAdeg |
174.68559194 |
|
DEdeg |
45.10748944 |
|
EpRA 1990 |
1.72 |
|
EpDE 1990 |
1.72 |
|
E RAdeg |
8.2 |
|
E DEdeg |
8.1 |
|
Posflg |
|
|
Corr |
0.1 |
|
11387+4507 C
Coord arcsec 2000 |
113900.22+450631.2 |
|
Coord calc |
113900.22+450631.2 |
|
Mag |
9.46 |
|
Spectral class |
F2 (yellow-white) |
|
PmRA |
19.00 |
|
PmDE |
-9.0 |
|
Tycho2 |
3452-02057-1 |
|
Calc delta mag |
2.93 |
|
Tycho2 |
3452-02057-1 |
|
Pflag |
|
|
RAmdeg |
174.75094084 |
|
DEmdeg |
45.10869172 |
|
PmRA |
0.1 |
|
PmDE |
4.4 |
|
E RAmdeg |
12 |
|
E DEmdeg |
15 |
|
E pmRA |
1.3 |
|
E pmDE |
1.3 |
|
EpRAm |
1989.93 |
|
EpDEm |
1989.45 |
|
Num |
6 |
|
Q RAmdeg |
1.3 |
|
Q DEmdeg |
0.9 |
|
Q pmRA |
1.2 |
|
Q pmDE |
0.8 |
|
BTmag |
10.633 |
|
E BTmag |
0.036 |
|
VTmag |
9.462 |
|
E VTmag |
0.019 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
174.75094139 |
|
DEdeg |
45.10868278 |
|
EpRA 1990 |
1.72 |
|
EpDE 1990 |
1.66 |
|
E RAdeg |
13.0 |
|
E DEdeg |
15.8 |
|
Posflg |
|
|
Corr |
-0.1 |
|
11387+4507 D
Coord arcsec 2000 |
113931.36+450924.0 |
|
Mag |
7.56 |
|
PmRA |
15.00 |
|
PmDE |
-6.0 |
|
Calc delta mag |
1.03 |
|
Calc coord |
yes |
|
11387+4507 E
Coord arcsec 2000 |
113843.41+450726.7 |
|
Mag |
12.08 |
|
PmRA |
-33.00 |
|
PmDE |
12.0 |
|
Calc delta mag |
5.55 |
|
Calc coord |
yes |
|