00572+2325 MKT 2 Aa,Ab
00h 57m 12.43s +23° 25' 03.9" P.A. 41.00 sep 0.0 mag 4.42, Sp G8IIIb dist. 70.42 pc (229.71 l.y.)
Coord 2000 |
00572+2325 |
|
Discov num |
MKT 2 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
00 57 12.43 +23 25 03.9 |
|
Date first |
1990 |
|
Date last |
1992 |
|
Obs |
23 |
|
Pa first |
157 |
|
Pa last |
40.5 |
|
P.A. Now (θ) |
40.5° |
|
Sep first |
0.0 |
|
Sep last |
0.01 |
|
Sep. Now (ρ) |
0.01" |
|
Mag pri |
4.42 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
G8IIIb (yellow) |
|
Pri motion ra |
-044 |
|
Sec motion ra |
|
|
Pri motion dec |
-045 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
00572+2325 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
74388 |
00 57 12 +23 25 04 |
MKT 2 Aa,Ab |
1992 |
23 |
41 |
0.0 |
4.42 |
|
|
Y |
<=== |
Show |
Eta And |
74388 |
00 57 12 +23 25 04 |
FOX 116 AB |
2001 |
8 |
232 |
129.3 |
4.42 |
12.34 |
7.92 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Andromeda |
|
SAO |
74388 |
|
HIP |
4463 |
|
Tycho2 |
1740-02109-1 |
|
Gaia DR2 |
2803727059958899584 |
|
HD |
5516 |
|
HR |
271 |
|
GC |
1136 |
|
BD |
BD+22 153 |
|
Bayer |
Eta Andromedae |
|
Bayer name |
Eta And |
|
Flamsteed |
38 Andromedae |
|
Flamsteed name |
38 And |
|
FK5 |
2060 |
|
Distance |
70.42 |
|
Distance ly |
229.71 |
|
Bayer greek |
η And |
|
ORBITAL ELEMENTS
Period (P) | 115.72d | ± 0.01 |
Periastron (T) | 48013d (1990.331y) | ± 1 |
Semi-major axis (a) | 10.37m | ± 0.03 |
Eccentricity (e) | 0.006 | ± 0.002 |
Inclination (i) | 30.5° | ± 0.4 |
Longitude of periastron (ω) | 215° | ± 4 |
Node (Ω) | 69.4° | ± 0.5 |
Notes | n | |
Reference | MkT1993b | |
Equinox | | |
Last observation | 1992 | |
Grade | 1 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
106.6 |
0.010 |
2001-01-01 |
167.6 |
0.009 |
2002-01-01 |
226.0 |
0.010 |
2003-01-01 |
276.0 |
0.010 |
2004-01-01 |
335.9 |
0.009 |
2005-01-01 |
36.7 |
0.010 |
2006-01-01 |
86.0 |
0.010 |
2007-01-01 |
141.9 |
0.009 |
2008-01-01 |
204.4 |
0.010 |
2009-01-01 |
255.8 |
0.010 |
2010-01-01 |
310.2 |
0.009 |
2011-01-01 |
14.2 |
0.009 |
2012-01-01 |
66.7 |
0.010 |
2013-01-01 |
117.7 |
0.010 |
2014-01-01 |
180.4 |
0.009 |
2015-01-01 |
236.1 |
0.010 |
2016-01-01 |
286.8 |
0.010 |
2017-01-01 |
349.1 |
0.009 |
2018-01-01 |
47.1 |
0.010 |
2019-01-01 |
96.1 |
0.010 |
2020-01-01 |
154.7 |
0.009 |
2021-01-01 |
215.5 |
0.010 |
2022-01-01 |
265.8 |
0.010 |
2023-01-01 |
322.9 |
0.009 |
2024-01-01 |
25.8 |
0.010 |
2025-01-01 |
76.4 |
0.010 |
2026-01-01 |
129.5 |
0.009 |
2027-01-01 |
192.8 |
0.009 |
2028-01-01 |
246.0 |
0.010 |
2029-01-01 |
298.2 |
0.009 |
2030-01-01 |
1.9 |
0.009 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 00572+2325 MKT 2 Aa,Ab : NOTES
discov_num |
notes |
refcode |
FOX 116 |
eta And = 38 And. A is a spectroscopic binary, P = 115.7d. |
|
MKT 2 |
Hummel et al. (1993) orbital elements were derived from Mark III |
MkT1993b |
|
interferometer astrometry. Combined with spectroscopy by Gordon (1946 |
|
|
ApJ, 103, 13) to yield masses and distance. |
|
|
Errors are given as "error ellipses"; these values are tabulated |
|
|
below. Columns include date (BY), major and minor axes of the ellipse |
|
|
(mas), and ellipse orientation (deg): |
|
|
1990.5359 0.57 0.04 107.1 |
|
|
1990.5687 0.12 0.02 105.8 |
|
|
1990.5742 0.17 0.02 105.2 |
|
|
1990.6125 0.43 0.05 102.7 |
|
|
1990.6262 0.12 0.03 98.5 |
|
|
1990.6426 0.09 0.02 96.9 |
|
|
1990.6563 0.08 0.02 93.3 |
|
|
1990.6591 0.06 0.01 85.7 |
|
|
1990.6646 0.24 0.02 81.0 |
|
|
1990.6673 0.06 0.02 82.2 |
|
|
1990.6728 0.09 0.03 100.6 |
|
|
1990.6837 0.61 0.09 78.9 |
|
|
1990.7056 0.08 0.02 92.4 |
|
|
1990.8233 0.08 0.02 98.0 |
|
|
1991.6037 0.22 0.04 105.1 |
|
|
1991.6557 0.10 0.02 88.5 |
|
|
1991.6584 0.12 0.03 98.1 |
|
|
1991.7077 0.10 0.03 96.5 |
|
|
1991.7104 0.08 0.02 99.7 |
|
|
1991.7132 0.05 0.01 84.4 |
|
|
1991.7460 0.08 0.02 84.3 |
|
|
1992.6413 0.19 0.03 85.5 |
|
|
1992.6441 0.56 0.05 96.3 |
|
|
Pourbaix gives combined solution for this resolved SB2, yielding |
Pbx2000b |
|
orbital parallaxes and component masses. |
|
|
Aa,Ab: Malkov et al. (2012) derive dynamical, photometric, and |
|
|
spectroscopic masses 3.88 +/- 0.22, 5.02, and 2.63 Msun, respectively. |
Mlk2012 |
REFERENCES
refcode |
metd |
author |
reference |
MkT1993b |
Km j |
Hummel, C.A., Armstrong, J.T., Quirrenbach, A., Buscher, D.F., Mozurkewich, D., |
1993AJ....106.2486H |
MkT1993b |
+orb |
Simon, R.S., & Johnston, K.J. |
|
MkT1993b |
|
AJ 106, 2486, 1993 |
|
Mlk2012 |
not - |
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. |
2012A&A...546A..69M |
Mlk2012 |
|
A&A 546, A69, 2012 |
|
Pbx2000b |
orb - |
Pourbaix, D. |
2000A&AS..145..215P |
Pbx2000b |
|
A&AS 145, 215, 2000 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
FOX |
Fox, P. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
00572+2325 |
MKT 2 |
Aa,Ab |
1992 |
23 |
41 |
0.0 |
4.42 |
|
G8IIIb |
NO |
005712.43+232503.9 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 00572+2325 MKT 2 Aa,Ab : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 00572+2325 MKT 2 Aa,Ab : MEASURES
No records found.
WDS 00572+2325 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
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|
WDS 00572+2325 : ALADIN DSS IMAGE @ 00h 57m 12.43s +23° 25' 03.9"
WDS 00572+2325 MKT 2 Aa,Ab : 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 |
|
00572+2325 |
MKT 2 |
Aa,Ab |
41 |
0.0 |
|
Show |
|
00572+2325 |
FOX 116 |
AB |
232 |
129.3 |
|
Show |
|
00555+2337 |
POU 77 |
|
91 |
4.2 |
27 |
Show |
|
00553+2310 |
HDS 122 |
|
110 |
11.1 |
31 |
Show |
|
00584+2259 |
CVR 355 |
|
236 |
14.9 |
31 |
Show |
|
00550+2338 |
STF 73 |
AB |
335 |
1.2 |
34 |
Show |
|
00550+2338 |
FOX 115 |
AB,C |
223 |
161.7 |
34 |
Show |
|
00550+2338 |
TOK 447 |
AD |
129 |
999.9 |
34 |
Show |
|
00568+2404 |
POU 78 |
|
43 |
5.4 |
41 |
Show |
|
00571+2413 |
KPP3435 |
|
314 |
2.1 |
48 |
Show |
|
00550+2406 |
ENG 3 |
|
207 |
37.5 |
52 |
Show |
|
00543+2405 |
UC 463 |
|
132 |
7.8 |
57 |
Show |
|
01011+2347 |
CVR 361 |
|
188 |
9.4 |
58 |
Show |
|
01004+2403 |
POU 85 |
|
270 |
4.4 |
58 |
Show |
|
01008+2357 |
CFN 1 |
|
5 |
1.5 |
59 |
Show |
|
00528+2329 |
POU 72 |
|
87 |
13.3 |
62 |
Show |
|
00557+2428 |
ITF 27 |
|
|
6.1 |
67 |
Show |
|
01019+2347 |
AG 12 |
|
237 |
5.9 |
68 |
Show |
|
00525+2300 |
CVR 350 |
|
173 |
9.2 |
70 |
Show |
|
01000+2426 |
POU 84 |
|
188 |
7.7 |
72 |
Show |
|
00519+2320 |
CVR1057 |
|
38 |
4.1 |
74 |
Show |
|
00576+2438 |
POU 80 |
|
152 |
9.9 |
74 |
Show |
|
00525+2406 |
POU 71 |
|
156 |
5.3 |
76 |
Show |
|
00594+2435 |
POU 83 |
|
160 |
19.5 |
76 |
Show |
|
00553+2213 |
CVR1061 |
|
233 |
3.8 |
77 |
Show |
|
00516+2338 |
HU 414 |
|
112 |
1.4 |
78 |
Show |
|
00588+2441 |
AG 10 |
|
112 |
4.4 |
79 |
Show |
|
01015+2424 |
POU 89 |
|
19 |
6.5 |
84 |
Show |
|
01029+2406 |
POU 95 |
|
109 |
17.3 |
88 |
Show |
|
01007+2439 |
POU 87 |
|
294 |
5.2 |
89 |
Show |
|
01005+2444 |
UC 486 |
|
166 |
14.1 |
91 |
Show |
|
00516+2237 |
A 1808 |
|
195 |
0.2 |
91 |
Show |
|
00555+2457 |
POU 76 |
|
194 |
17.9 |
95 |
Show |
|
01026+2426 |
POU 94 |
AB |
225 |
7.2 |
97 |
Show |
|
01026+2426 |
GRV 65 |
AC |
199 |
28.4 |
97 |
Show |
|
00511+2236 |
LDS3204 |
|
137 |
312.2 |
98 |
Show |
|
01042+2344 |
COU 76 |
|
151 |
2.1 |
98 |
Show |
|
00508+2413 |
POU 67 |
|
114 |
11.9 |
100 |
Show |
|
00552+2502 |
POU 75 |
|
277 |
12.1 |
101 |
Show |
|
00511+2231 |
AZC 7 |
|
112 |
13.8 |
101 |
Show |
|
01042+2256 |
GIC 19 |
|
266 |
7.5 |
101 |
Show |
|
00505+2406 |
UC 5 |
|
91 |
40.2 |
101 |
Show |
|
01020+2444 |
POU 91 |
|
261 |
2.9 |
103 |
Show |
|
01038+2232 |
J 874 |
|
300 |
2.4 |
104 |
Show |
|
00593+2508 |
POU 82 |
|
318 |
14.5 |
108 |
Show |
|
01039+2226 |
LDS 874 |
|
252 |
45.0 |
108 |
Show |
|
01012+2458 |
LDS 872 |
|
68 |
89.6 |
108 |
Show |
|
01014+2459 |
POU 88 |
|
58 |
7.4 |
111 |
Show |
|
00512+2211 |
KU 70 |
|
125 |
53.9 |
111 |
Show |
|
00573+2518 |
POU 79 |
|
221 |
15.3 |
113 |
Show |
|
00493+2403 |
POU 66 |
|
228 |
13.1 |
115 |
|
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WDS 00572+2325 : COMPONENTS
|
A |
Ab |
Ab |
pa=38.1°
sep=0.01"
| |
B |
pa=229.5°
sep=122.78"
| pa=229.5°
sep=122.79"
|
00572+2325 A
Name |
Eta And |
|
Coord arcsec 2000 |
005712.43+232503.9 |
|
Mag |
4.42 |
|
Spectral class |
G8IIIb (yellow) |
|
PmRA |
-44.00 |
|
PmDE |
-46.0 |
|
SAO |
74388 |
|
HIP |
4463 |
|
Tycho2 |
1740-02109-1 |
|
HD |
5516 |
|
HR |
271 |
|
GC |
1136 |
|
BD |
BD+22 153 |
|
Bayer |
Eta Andromedae |
|
Bayer name |
Eta And |
|
Flamsteed |
38 Andromedae |
|
Flamsteed name |
38 And |
|
FK5 |
2060 |
|
Tycho2 |
1740-02109-1 |
|
Pflag |
|
|
RAmdeg |
14.30166610 |
|
DEmdeg |
23.41765180 |
|
PmRA |
-43.4 |
|
PmDE |
-45.0 |
|
E RAmdeg |
3 |
|
E DEmdeg |
3 |
|
E pmRA |
0.8 |
|
E pmDE |
0.8 |
|
EpRAm |
1991.48 |
|
EpDEm |
1991.25 |
|
Num |
18 |
|
Q RAmdeg |
0.7 |
|
Q DEmdeg |
0.7 |
|
Q pmRA |
0.8 |
|
Q pmDE |
0.8 |
|
BTmag |
5.602 |
|
E BTmag |
0.014 |
|
VTmag |
4.499 |
|
E VTmag |
0.009 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
4463 |
|
CCDM |
|
|
RAdeg |
14.30177500 |
|
DEdeg |
23.41775861 |
|
EpRA 1990 |
1.68 |
|
EpDE 1990 |
1.46 |
|
E RAdeg |
3.2 |
|
E DEdeg |
3.4 |
|
Posflg |
|
|
Corr |
-0.5 |
|
SAO |
74388 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0025 |
|
DE1950 |
|
|
PmDE1950 |
-0.037 |
|
Vmag |
4.6 |
|
SpType |
G5 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
1136 |
|
DM |
BD+22 153 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
5516 |
|
M HD |
0 |
|
GC |
1136 |
|
RA1950rad |
0.23793833 |
|
DE1950rad |
0.40401216 |
|
PmRA2000 |
-0.0025 |
|
PmDE2000 |
-0.042 |
|
Catalog |
H |
|
HIP |
4463 |
|
Proxy |
|
|
RAhms |
00 57 12.43 |
|
DEdms |
+23 25 03.9 |
|
Vmag |
4.4 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
14.3018 |
|
DEdeg |
23.4178 |
|
AstroRef |
|
|
Plx |
13.44 |
|
CCDM |
00572+2325 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
5516 |
|
BD |
BD+22 153 |
|
CD |
|
|
CP |
|
|
Dm number |
+22 153 |
|
VIred |
0.94 |
|
SpType |
G8III-IV |
|
R SpType |
|
|
Coord arcsec 2000 |
005712.43+232503.9 |
|
HIP |
4463 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
0.2496131947 |
|
DErad |
0.4087170143 |
|
Plx |
14.2 |
|
PmRA |
-43.47 |
|
PmDE |
-45.73 |
|
E RArad |
0.22 |
|
E DErad |
0.14 |
|
E Plx |
0.26 |
|
E pmRA |
0.24 |
|
E pmDE |
0.12 |
|
Hpmag |
4.5603 |
|
E Hpmag |
0.0005 |
|
SHp |
0.005 |
|
VA |
0 |
|
BV |
0.94 |
|
E BV |
0.005 |
|
VI |
0.94 |
|
Ccdm |
00572+2325 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
0.41 |
|
DDEs |
3.6 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
4.6 |
|
Sp |
G5 |
|
PmNote |
* |
|
PmRA |
-42 |
|
PmDE |
-39 |
|
Dm number |
+22 153 |
|
Cat1 |
BD |
|
Name2 |
+23 89 |
|
Cat2 |
AGK2/3 |
|
HD |
5516 |
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
00519N2253A |
|
HIC |
4463 |
|
00572+2325 Ab
Coord arcsec 2000 |
005712.43+232503.9 |
|
Calc delta mag |
4.42 |
|
Calc coord |
yes |
|
00572+2325 B
Coord arcsec 2000 |
005705.65+232344.1 |
|
Mag |
12.34 |
|
PmRA |
4.00 |
|
PmDE |
-11.0 |
|
Calc delta mag |
7.92 |
|
Calc coord |
yes |
|
Ccdm |
00572+2325 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
FOX |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1913 |
|
Theta |
232 |
|
Rho |
133.4 |
|
Obs |
2 |
|
Vmag |
11.5 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
00519N2253B |
|
HIC |
|
|