12199-0040 MCA 37 (Zaniah)
12h 19m 54.39s -00° 40' 00.3" P.A. 328.00 sep 0.1 mag 3.89,5.90 Sp A2IV dist. 81.37 pc (265.43 l.y.)
Coord 2000 |
12199-0040 |
|
Discov num |
MCA 37 |
|
Comp |
|
|
Coord arcsec 2000 |
12 19 54.39 -00 40 00.3 |
|
Date first |
1976 |
|
Date last |
2021 |
|
Obs |
94 |
|
Pa first |
152 |
|
Pa last |
328.4 |
|
P.A. Now (θ) |
356.3° |
|
Sep first |
0.1 |
|
Sep last |
0.124 |
|
Sep. Now (ρ) |
0.145" |
|
Mag pri |
3.89 |
|
Mag sec |
5.90 |
|
delta mag (ΔM) |
2.01 |
|
Spectral class |
A2IV (white) |
|
Pri motion ra |
-063 |
|
Sec motion ra |
|
|
Pri motion dec |
-018 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Common name |
Zaniah |
|
Var name |
NSV5555 Vir |
|
Constellation |
Virgo |
|
SAO |
138721 |
|
HIP |
60129 |
|
Tycho2 |
4940-01158-1 |
|
HD |
107259 |
|
HR |
4689 |
|
GC |
16813 |
|
BD |
BD+00 2926 |
|
Bayer |
Eta Virginis |
|
Bayer name |
Eta Vir |
|
Flamsteed |
15 Virginis |
|
Flamsteed name |
15 Vir |
|
FK5 |
460 |
|
Distance |
81.37 |
|
Distance ly |
265.43 |
|
Bayer greek |
η Vir |
|
ORBITAL ELEMENTS
Period (P) | 13.1y | |
Periastron (T) | 1990.2y | |
Semi-major axis (a) | 0.135a | |
Eccentricity (e) | 0.08 | |
Inclination (i) | 50° | |
Longitude of periastron (ω) | 4° | |
Node (Ω) | 173° | |
Notes | n | |
Reference | Sod1999 | |
Equinox | 2000 | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
74.0 |
0.088 |
2001 |
115.5 |
0.092 |
2002 |
146.7 |
0.112 |
2003 |
169.3 |
0.124 |
2004 |
190.8 |
0.117 |
2005 |
218.7 |
0.097 |
2006 |
258.7 |
0.086 |
2007 |
298.3 |
0.099 |
2008 |
324.5 |
0.124 |
2009 |
342.5 |
0.142 |
2010 |
357.9 |
0.145 |
2011 |
14.3 |
0.133 |
2012 |
36.2 |
0.109 |
2013 |
69.9 |
0.089 |
2014 |
111.7 |
0.091 |
2015 |
144.1 |
0.110 |
2016 |
167.2 |
0.124 |
2017 |
188.5 |
0.119 |
2018 |
215.4 |
0.100 |
2019 |
254.3 |
0.086 |
2020 |
294.9 |
0.097 |
2021 |
322.4 |
0.121 |
2022 |
340.9 |
0.141 |
2023 |
356.3 |
0.145 |
2024 |
12.5 |
0.134 |
2025 |
33.6 |
0.112 |
2026 |
65.9 |
0.090 |
2027 |
107.7 |
0.089 |
2028 |
141.4 |
0.108 |
2029 |
165.1 |
0.123 |
2030 |
186.3 |
0.120 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 12199-0040 MCA 37 (Zaniah) : NOTES
discov_num |
notes |
refcode |
MCA 37 |
eta Vir = 15 Vir = Zaniah. A spectroscopic and occultation binary now |
|
|
resolved by speckle interferometry. |
|
|
Observed parallax corroborates closely the orbital value given by |
|
|
Hartkopf et al. (1992). Primary is 72d SB2 (#718 in Batten et al., |
Hrt1992a |
|
1989). This is not the SB2 because the observed angular separations |
Bte1989 |
|
are much larger than the 12 mas maximum predicted by Halbwachs (1981) |
HJL1981 |
|
from the spectroscopic elements. See discussion in Balega et al. |
Bag1984b |
|
(1984), who give preliminary orbital elements based entirely on |
|
|
speckle observations. |
|
|
1985.2053, 1985.2491: These measures agree well with the preliminary |
|
|
orbit of Balega et al. (1984), who adopted a period of 13 years. The |
|
|
orbit proposed by Tokovinin (1984) with P = 9.8 years fails to fit the |
Tok1984 |
|
speckle observations. |
Bnu1986 |
|
See Baize & Petit (1989) catalog of doubles with variable component. |
Baz1989d |
|
A new speckle/spectroscopic orbit of the early A type triple system |
|
|
eta Vir has been determined by Hartkopf et al. (1992). |
Hrt1992a |
|
Martin et al. (1998) derive component masses 6.009 +/- 2.164 and |
|
|
0.673 +/- 0.800 Msun. |
Mig1998 |
REFERENCES
refcode |
metd |
author |
reference |
Bag1984b |
S j |
Balega, Y.Y., Bonneau, D., & Foy, R |
1984A&AS...57...31B |
Bag1984b |
|
A&AS 57, 31, 1984 |
|
Baz1989d |
- |
Baize, P. & Petit, M. |
1989A&AS...77..497B |
Baz1989d |
|
A&AS 77, 497, 1989 |
|
Bnu1986 |
S j |
Bonneau, D., Balega, Y., Blazit, A, Foy, R., Vakili, F., & Vidal, J.L. |
1986A&AS...65...27B |
Bnu1986 |
|
A&AS 65, 27, 1986 |
|
Bte1989 |
- |
Batten, A.H. & Fletcher, J.M. |
1989PDAO...17....1B |
Bte1989 |
|
Eighth Catalogue of the Orbital Elements of Spectroscopic Binary Systems; 89 |
|
Bte1989 |
|
Pub. DAO 17, 1, 19 |
|
HJL1981 |
- |
Halbwachs, J.L. |
1981A&AS...44...47H |
HJL1981 |
|
A&AS 44, 47, 1981 |
|
Hrt1992a |
orb - |
Hartkopf, W.I., McAlister, H.A., Yang, X., & Fekel, F.C. |
1992AJ....103.1976H |
Hrt1992a |
|
AJ 103, 1976, 1992 |
|
Mig1998 |
orb - |
Martin, Ch., Mignard, F., Hartkopf, W.I., & McAlister, H.A. |
1998A&AS..133..149M |
Mig1998 |
|
A&AS 133, 149, 1998 |
|
Sod1999 |
orb - |
Soderhjelm, S. |
1999A&A...341..121S |
Sod1999 |
|
A&A 341, 121, 1999 |
|
Tok1984 |
orb - |
Tokovinin, A.A. |
1984SvAL...10..121T |
Tok1984 |
|
SvAL 10, 121, 1984 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
MCA |
McAlister, H.A. |
46 |
MCA |
McAlister, H.A., Hartkopf, W.I., Bagnuolo, W.G., Sowell, J.R., Franz, O.G., & |
46 |
MCA |
Evans, D.S. |
61 |
MCA |
Fu, H.-H., Hartkopf, W.I., Mason, B.D., McAlister, H.A., Dombrowski, E.G., & |
61 |
MCA |
Franz, O.G. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
12199-0040 |
MCA 37 |
|
2008 |
81 |
333 |
0.1 |
3.89 |
5.90 |
A2IV |
NOD |
121954.39-004000.3 |
12199-0040 |
MCA 37 |
|
2017 |
88 |
195 |
0.1 |
3.89 |
5.90 |
A2IV |
NO |
121954.39-004000.3 |
12199-0040 |
MCA 37 |
|
2018 |
90 |
253 |
0.1 |
3.89 |
5.90 |
A2IV |
NO |
121954.39-004000.3 |
12199-0040 |
MCA 37 |
|
2019 |
92 |
272 |
0.1 |
3.89 |
5.90 |
A2IV |
NO |
121954.39-004000.3 |
12199-0040 |
MCA 37 |
|
2020 |
93 |
297 |
0.1 |
3.89 |
5.90 |
A2IV |
NO |
121954.39-004000.3 |
12199-0040 |
MCA 37 |
|
2021 |
94 |
328 |
0.1 |
3.89 |
5.90 |
A2IV |
NO |
121954.39-004000.3 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 12199-0040 MCA 37 (Zaniah) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 12199-0040 MCA 37 (Zaniah) : MEASURES
No records found.
WDS 12199-0040 (Zaniah) : 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 12199-0040 (Zaniah) : ALADIN DSS IMAGE @ 12h 19m 54.39s -00° 40' 00.3"
WDS 12199-0040 MCA 37 (Zaniah) : 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 |
Zaniah |
12199-0040 |
MCA 37 |
|
328 |
0.1 |
|
Show |
|
12204+0035 |
RST5366 |
|
15 |
0.9 |
10 |
Show |
|
12190+0022 |
GRV1076 |
|
139 |
10.9 |
18 |
Show |
|
12203-0009 |
OCC 15 |
|
-1 |
0.1 |
32 |
Show |
|
12213-0014 |
GWP1794 |
|
352 |
66.4 |
34 |
Show |
|
12190+0005 |
GRV1075 |
|
138 |
15.0 |
35 |
Show |
|
12225+0053 |
GRV1199 |
|
330 |
22.2 |
42 |
Show |
|
12170-0020 |
SLW 703 |
|
48 |
132.9 |
48 |
Show |
|
12218+0119 |
SHN 155 |
|
-1 |
0.6 |
49 |
Show |
|
12177+0002 |
A 2582 |
|
64 |
0.4 |
51 |
Show |
|
12179+0126 |
SHN 22 |
|
175 |
0.1 |
56 |
Show |
|
12234+0020 |
GWP1800 |
|
303 |
14.2 |
57 |
Show |
|
12157+0051 |
HJ 1214 |
AB |
337 |
13.0 |
64 |
Show |
|
12157+0051 |
HJ 1214 |
AC |
180 |
18.2 |
64 |
Show |
|
12157+0051 |
ABH 77 |
AD |
343 |
28.1 |
64 |
Show |
|
12162-0003 |
CVR1419 |
|
46 |
3.3 |
67 |
Show |
|
12240+0015 |
SLW 715 |
|
342 |
25.7 |
67 |
Show |
|
12244+0022 |
SLW 718 |
|
239 |
9.6 |
70 |
Show |
|
12153-0022 |
SLW 700 |
|
156 |
24.0 |
71 |
Show |
|
12156+0011 |
GWP1776 |
|
116 |
37.1 |
71 |
Show |
|
12246+0026 |
UC 2331 |
|
155 |
21.8 |
72 |
Show |
|
12149-0051 |
BAL 867 |
|
357 |
6.6 |
76 |
Show |
|
12171+0143 |
A 2487 |
|
177 |
2.0 |
76 |
Show |
|
12248+0111 |
UC 2332 |
|
122 |
42.7 |
81 |
Show |
|
12228+0151 |
LDS2879 |
AB |
289 |
67.2 |
82 |
Show |
|
12228+0151 |
RAO 277 |
Aa,Ab |
110 |
0.6 |
82 |
Show |
|
12152+0124 |
CVR1414 |
|
124 |
3.7 |
84 |
Show |
|
12198+0209 |
SHN 154 |
|
-1 |
0.7 |
89 |
Show |
|
12250+0123 |
GRV 855 |
|
16 |
43.5 |
90 |
Show |
|
12257-0017 |
OCC 104 |
|
-1 |
0.1 |
90 |
Show |
|
12199+0215 |
RAO 275 |
|
258 |
0.3 |
95 |
Show |
|
12152+0151 |
BAL1884 |
|
323 |
4.4 |
100 |
Show |
|
12266+0045 |
BAL1452 |
|
57 |
2.6 |
101 |
Show |
|
12267+0008 |
CVR1433 |
|
213 |
4.5 |
107 |
Show |
|
12268-0011 |
AGC 4 |
|
145 |
0.5 |
107 |
Show |
|
12268+0007 |
SLW 722 |
|
287 |
144.6 |
109 |
Show |
|
12122+0013 |
SLW 694 |
|
133 |
26.8 |
119 |
Show |
|
12120+0015 |
ZHN 20 |
|
359 |
250.8 |
122 |
Show |
|
12227+0238 |
BAL2389 |
|
106 |
2.8 |
126 |
Show |
|
12247+0225 |
AG 177 |
AB |
221 |
7.3 |
128 |
Show |
|
12247+0225 |
AG 177 |
AC |
57 |
96.3 |
128 |
Show |
|
12097+0154 |
BUP 138 |
|
99 |
48.0 |
132 |
Show |
|
12287-0035 |
UC 2346 |
|
278 |
24.9 |
132 |
Show |
|
12210-0131 |
BAL 868 |
|
135 |
6.6 |
133 |
Show |
|
12287-0025 |
GWP1817 |
|
139 |
86.8 |
133 |
Show |
|
12228+0246 |
UC 171 |
|
53 |
40.8 |
134 |
Show |
|
12191+0257 |
STF1629 |
|
299 |
24.7 |
138 |
Show |
|
12190-0138 |
HJ 206 |
|
118 |
18.3 |
139 |
Show |
|
12175+0253 |
UC 2309 |
|
294 |
29.7 |
139 |
Show |
|
12100-0020 |
GRV1072 |
AB |
47 |
11.1 |
139 |
Show |
|
12205-0140 |
SLW 710 |
|
350 |
173.6 |
141 |
|
|
WDS 12199-0040 : COMPONENTS
12199-0040 A
Componente originario normalizzato |
AB |
|
Common name |
Zaniah |
|
Meaning |
angle |
|
Coord arcsec 2000 |
121954.39-004000.3 |
|
Mag |
3.89 |
|
Spectral class |
A2IV (white) |
|
PmRA |
-63.00 |
|
PmDE |
-18.0 |
|
SAO |
138721 |
|
HIP |
60129 |
|
Tycho2 |
4940-01158-1 |
|
HD |
107259 |
|
HR |
4689 |
|
GC |
16813 |
|
BD |
BD+00 2926 |
|
Bayer |
Eta Virginis |
|
Bayer name |
Eta Vir |
|
Flamsteed |
15 Virginis |
|
Flamsteed name |
15 Vir |
|
FK5 |
460 |
|
Tycho2 |
4940-01158-1 |
|
Pflag |
|
|
RAmdeg |
184.97647537 |
|
DEmdeg |
-0.66679342 |
|
PmRA |
-63.9 |
|
PmDE |
-19.0 |
|
E RAmdeg |
3 |
|
E DEmdeg |
3 |
|
E pmRA |
0.3 |
|
E pmDE |
0.3 |
|
EpRAm |
1990.07 |
|
EpDEm |
1989.93 |
|
Num |
29 |
|
Q RAmdeg |
1.7 |
|
Q DEmdeg |
1.7 |
|
Q pmRA |
1.7 |
|
Q pmDE |
1.7 |
|
BTmag |
3.911 |
|
E BTmag |
0.014 |
|
VTmag |
3.874 |
|
E VTmag |
0.009 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
60129 |
|
CCDM |
|
|
RAdeg |
184.97662000 |
|
DEdeg |
-0.66674833 |
|
EpRA 1990 |
1.85 |
|
EpDE 1990 |
1.46 |
|
E RAdeg |
3.2 |
|
E DEdeg |
3.4 |
|
Posflg |
|
|
Corr |
0.4 |
|
SAO |
138721 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0043 |
|
DE1950 |
|
|
PmDE1950 |
-0.022 |
|
Vmag |
4 |
|
SpType |
A0 |
|
Double code |
|
|
Source |
74 |
|
CatNum |
460 |
|
DM |
BD+00 2926 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
107259 |
|
M HD |
0 |
|
GC |
16813 |
|
RA1950rad |
3.21727891 |
|
DE1950rad |
-0.00679053 |
|
PmRA2000 |
-0.0041 |
|
PmDE2000 |
-0.018 |
|
Catalog |
H |
|
HIP |
60129 |
|
Proxy |
|
|
RAhms |
12 19 54.39 |
|
DEdms |
-00 40 00.3 |
|
Vmag |
3.89 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
184.977 |
|
DEdeg |
-0.666747 |
|
AstroRef |
|
|
Plx |
13.06 |
|
CCDM |
|
|
N CCDM |
|
|
Nsys |
|
|
Ncomp |
1 |
|
MultFlag |
G |
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
107259 |
|
BD |
BD+00 2926 |
|
CD |
|
|
CP |
|
|
Dm number |
+00 2926 |
|
VIred |
0.03 |
|
SpType |
A2IV |
|
R SpType |
|
|
Coord arcsec 2000 |
121954.39-004000.3 |
|
HIP |
60129 |
|
Sn |
7 |
|
So |
1 |
|
Nc |
1 |
|
RArad |
3.2284512488 |
|
DErad |
-0.0116369299 |
|
Plx |
12.29 |
|
PmRA |
-57.58 |
|
PmDE |
-25.19 |
|
E RArad |
0.43 |
|
E DErad |
0.27 |
|
E Plx |
0.45 |
|
E pmRA |
0.47 |
|
E pmDE |
0.48 |
|
Hpmag |
3.8992 |
|
E Hpmag |
0.0005 |
|
SHp |
0.004 |
|
VA |
0 |
|
BV |
0.026 |
|
E BV |
0.003 |
|
VI |
0.03 |
|
Ccdm |
12199-0040 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
0.36 |
|
DDEs |
-0.5 |
|
R dRAs |
5 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
3.9 |
|
Sp |
A2 |
|
PmNote |
* |
|
PmRA |
-63 |
|
PmDE |
-18 |
|
Dm number |
+00 2926 |
|
Cat1 |
BD |
|
Name2 |
138721 |
|
Cat2 |
SAO |
|
HD |
107259 |
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
12148S0007A |
|
HIC |
60129 |
|
12199-0040 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
121954.39+004000.4 |
|
Mag |
5.9 |
|
Calc delta mag |
2.01 |
|
Calc coord |
yes |
|
Ccdm |
12199-0040 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
* |
|
Note2 |
|
|
Discov num |
MAL 37 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1976 |
|
Theta |
152 |
|
Rho |
0.1 |
|
Obs |
22 |
|
Vmag |
|
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
12148S0007B |
|
HIC |
60129 |
|