15122-1948 BU 618 BC
15h 12m 17.12s -19° 47' 49.7" P.A. 13.00 sep 2.1 mag 10.87,11.40 Sp G5IV
Coord 2000 |
15122-1948 |
|
Discov num |
BU 618 |
|
Comp |
BC |
|
Coord arcsec 2000 |
15 12 17.12 -19 47 49.7 |
|
Date first |
1878 |
|
Date last |
2016 |
|
Obs |
22 |
|
Pa first |
24 |
|
Pa last |
12.9 |
|
P.A. Now (θ) |
12.9° |
|
Sep first |
1.9 |
|
Sep last |
2.058 |
|
Sep. Now (ρ) |
2.058" |
|
Mag pri |
10.87 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.53 |
|
Spectral class |
G5IV (yellow) |
|
Pri motion ra |
-039 |
|
Sec motion ra |
|
|
Pri motion dec |
-023 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
15122-1948 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
159090 |
15 12 13 -19 47 30 |
B 2351 Aa,Ab |
2021 |
75 |
117 |
0.1 |
5.10 |
5.50 |
0.40 |
Y |
|
Show |
Iot Lib |
159090 |
15 12 13 -19 47 30 |
H 6 44 AB |
2016 |
30 |
111 |
57.7 |
4.53 |
10.87 |
6.34 |
|
|
Show |
|
|
15 12 17 -19 47 50 |
BU 618 BC |
2016 |
22 |
13 |
2.1 |
10.87 |
11.40 |
0.53 |
|
<=== |
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Libra |
|
Gaia DR2 |
6256039162806785664 |
|
WDS 15122-1948 BU 618 BC : NOTES
discov_num |
notes |
refcode |
B 2351 |
iot 1 Lib = 24 Lib. Alternate spectrum of Aa: ApSi. |
|
|
Double-lined spectrum, frequently blended. The second spectrum may |
|
|
belong, not to the visual companion, but to a third star, since the |
|
|
RV variation - if real - is faster and larger than the visual orbit |
|
|
with its low inclination could cause. |
|
|
This system has crude Delta m estimates from lunar occultation of |
|
|
about 1.3 magnitudes in both red and blue. |
Bvr1979b |
|
Masses and bolometric magnitudes are derived for the two components |
|
|
of this system, based on assumed spectral types and available |
|
|
parallaxes. |
Msn1999a |
|
See Baize & Petit (1989) catalog of doubles with variable component. |
Baz1989d |
|
Aa,Ab: Orbits of this system have been published by Heintz (1982) |
Hei1982c |
|
and later by Mason (1994, 1995); further analysis is in |
Msn1994 |
|
progress. |
Msn1995b |
|
Aa,Ab: Malkov et al. (2012) derive dynamical, photometric, and |
|
|
spectroscopic masses 6.20 +/- 0.56, 5.14, and 2.82 Msun, respectively. |
Mlk2012 |
H 6 44 |
AB: H VI 44. |
|
REFERENCES
refcode |
metd |
author |
reference |
Baz1989d |
- |
Baize, P. & Petit, M. |
1989A&AS...77..497B |
Baz1989d |
|
A&AS 77, 497, 1989 |
|
Bvr1979b |
O j |
Eitter, J.J. & Beavers, W.I. |
1979ApJS...40..475E |
Bvr1979b |
|
ApJS 40, 475, 1979 |
|
Hei1982c |
orb - |
Heintz, W.D. |
1982A&AS...47..569H |
Hei1982c |
|
A&AS 47, 569, 1982 |
|
Mlk2012 |
not - |
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. |
2012A&A...546A..69M |
Mlk2012 |
|
A&A 546, A69, 2012 |
|
Msn1994 |
orb - |
Mason, B.D. |
1994PhDT........57M |
Msn1994 |
|
Thesis, Georgia State University, 1994 |
|
Msn1995b |
orb - |
Mason, B.D. |
1995PASP..107..299M |
Msn1995b |
|
PASP 107, 799, 1995 |
|
Msn1999a |
Su j |
Mason, B.D., Douglass, G.G., & Hartkopf, W.I. |
1999AJ....117.1023M |
Msn1999a |
+orb |
AJ 117, 1023, 1999 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
B |
van den Bos, W.H. |
212 |
BU |
Burnham, S.W. (BU 1 - 81) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
15122-1948 |
BU 618 |
BC |
2000 |
18 |
14 |
2.0 |
10.40 |
10.90 |
G5IV |
|
151217.12-194749.7 |
15122-1948 |
BU 618 |
BC |
2013 |
19 |
13 |
2.1 |
10.87 |
11.40 |
G5IV |
N |
151217.12-194749.7 |
15122-1948 |
BU 618 |
BC |
2015 |
20 |
11 |
2.4 |
10.87 |
11.40 |
G5IV |
N |
151217.12-194749.7 |
15122-1948 |
BU 618 |
BC |
2016 |
22 |
13 |
2.1 |
10.87 |
11.40 |
G5IV |
N |
151217.12-194749.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 15122-1948 BU 618 BC : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 15122-1948 BU 618 BC : MEASURES
No records found.
WDS 15122-1948 : 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 15122-1948 : ALADIN DSS IMAGE @ 15h 12m 17.12s -19° 47' 49.7"
WDS 15122-1948 BU 618 BC : 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 |
|
15122-1948 |
BU 618 |
BC |
13 |
2.1 |
|
Show |
|
15122-1948 |
B 2351 |
Aa,Ab |
117 |
0.1 |
1 |
Show |
|
15122-1948 |
H 6 44 |
AB |
111 |
57.7 |
1 |
Show |
|
15129-2007 |
OCC 108 |
|
-1 |
0.3 |
22 |
Show |
|
15103-1945 |
UC 2947 |
|
119 |
35.8 |
28 |
Show |
|
15133-2015 |
HU 1158 |
|
281 |
0.6 |
31 |
Show |
|
15092-1946 |
B 2349 |
|
318 |
0.5 |
44 |
Show |
|
15127-1905 |
GWP2502 |
|
198 |
11.3 |
44 |
Show |
|
15098-2031 |
OCC1062 |
|
-1 |
0.1 |
56 |
Show |
|
15090-2024 |
B 1774 |
|
328 |
5.0 |
59 |
Show |
|
15076-2015 |
KPP2210 |
|
106 |
18.3 |
72 |
Show |
|
15149-1843 |
UC 2970 |
|
100 |
14.1 |
75 |
Show |
|
15149-1841 |
DON 724 |
|
64 |
1.9 |
77 |
Show |
|
15145-1826 |
SHJ 195 |
|
141 |
47.5 |
88 |
Show |
|
15060-1933 |
UC 2917 |
|
37 |
78.5 |
90 |
Show |
|
15115-2119 |
HDS2133 |
|
161 |
0.3 |
92 |
Show |
|
15108-1817 |
TDS9432 |
|
12 |
2.1 |
94 |
Show |
|
15065-1858 |
GWP2493 |
|
285 |
104.3 |
96 |
Show |
|
15053-1936 |
RST3907 |
|
103 |
0.1 |
100 |
Show |
|
15203-1958 |
HDS2154 |
|
53 |
8.6 |
115 |
Show |
|
15036-1938 |
KPP2640 |
|
57 |
24.5 |
124 |
Show |
|
15090-2144 |
HJ 2764 |
|
139 |
21.9 |
125 |
Show |
|
15069-1806 |
HU 1157 |
|
245 |
2.6 |
128 |
Show |
|
15064-2130 |
DON 715 |
|
341 |
0.3 |
132 |
Show |
|
15213-2020 |
KPP3044 |
|
102 |
1.4 |
132 |
Show |
|
15036-2042 |
LDS4524 |
|
44 |
9.1 |
133 |
Show |
|
15195-1820 |
HU 306 |
|
84 |
0.3 |
135 |
Show |
|
15111-2205 |
B 1775 |
|
57 |
3.7 |
138 |
Show |
|
15023-1934 |
FOX 16 |
AB |
236 |
52.9 |
141 |
Show |
|
15023-1934 |
FOX 16 |
BC |
304 |
2.0 |
142 |
Show |
|
15217-2040 |
BVD 114 |
|
119 |
21.4 |
142 |
Show |
|
15021-2017 |
HLD 22 |
AB |
7 |
2.0 |
146 |
Show |
|
15021-2017 |
HLD 22 |
AC |
313 |
49.1 |
146 |
Show |
|
15084-2206 |
B 1773 |
|
151 |
2.0 |
149 |
Show |
|
15140-1721 |
NSN 419 |
|
107 |
16.6 |
150 |
Show |
|
15232-1947 |
B 1782 |
|
68 |
1.5 |
154 |
Show |
|
15226-2043 |
UC 2991 |
|
18 |
38.0 |
155 |
Show |
|
15045-1754 |
S 665 |
|
91 |
25.1 |
159 |
Show |
|
15160-1718 |
ARA 81 |
|
271 |
7.8 |
159 |
Show |
|
15225-2056 |
UC 2990 |
|
321 |
16.4 |
160 |
Show |
|
15061-2201 |
DAM 689 |
BC |
113 |
121.3 |
160 |
Show |
|
15061-2201 |
LDS4529 |
AB |
43 |
5.4 |
160 |
Show |
|
15218-1822 |
ARA 237 |
|
295 |
14.1 |
161 |
Show |
|
15144-2228 |
OCC 221 |
|
-1 |
0.1 |
163 |
Show |
|
15196-2158 |
ARA1490 |
|
90 |
11.9 |
166 |
Show |
|
15005-1956 |
SHN 195 |
|
-1 |
0.7 |
167 |
Show |
|
15208-1749 |
FMR 11 |
|
330 |
5.2 |
170 |
Show |
|
15098-2234 |
KPP 339 |
|
235 |
4.9 |
171 |
Show |
|
15234-1842 |
RST2953 |
|
257 |
1.5 |
171 |
Show |
|
15000-1955 |
KPP 331 |
|
94 |
4.7 |
174 |
Show |
|
15177-1712 |
HDS2150 |
|
193 |
20.8 |
174 |
|
|
WDS 15122-1948 : COMPONENTS
|
A |
Ab |
B |
Ab |
pa=118.2°
sep=0.10"
| |
B |
pa=110.2°
sep=57.30"
| pa=110.2°
sep=57.20"
| |
C |
pa=108.2°
sep=57.05"
| pa=108.2°
sep=56.95"
| pa=12.2°
sep=2.05"
|
15122-1948 A
Name |
Iot Lib |
|
Coord arcsec 2000 |
151213.31-194729.9 |
|
Mag |
4.53 |
|
Spectral class |
A0pSi (white) |
|
PmRA |
-35.00 |
|
PmDE |
-33.0 |
|
SAO |
159090 |
|
HIP |
74392 |
|
Tycho2 |
6178-01225-1 |
|
HD |
134759 |
|
HR |
5652 |
|
GC |
20433 |
|
BD |
BD-19 4047 |
|
Bayer |
Iota Librae |
|
Bayer name |
Iot Lib |
|
Flamsteed |
24 Librae |
|
Flamsteed name |
24 Lib |
|
FK5 |
559 |
|
Tycho2 |
6178-01225-1 |
|
Pflag |
X |
|
RAmdeg |
|
|
DEmdeg |
|
|
PmRA |
|
|
PmDE |
|
|
E RAmdeg |
|
|
E DEmdeg |
|
|
E pmRA |
|
|
E pmDE |
|
|
EpRAm |
|
|
EpDEm |
|
|
Num |
|
|
Q RAmdeg |
|
|
Q DEmdeg |
|
|
Q pmRA |
|
|
Q pmDE |
|
|
BTmag |
4.439 |
|
E BTmag |
0.014 |
|
VTmag |
4.529 |
|
E VTmag |
0.009 |
|
Prox |
576 |
|
TYC |
T |
|
HIP |
74392 |
|
CCDM |
|
|
RAdeg |
228.05545917 |
|
DEdeg |
-19.79163444 |
|
EpRA 1990 |
1.74 |
|
EpDE 1990 |
1.60 |
|
E RAdeg |
3.5 |
|
E DEdeg |
3.8 |
|
Posflg |
|
|
Corr |
0.3 |
|
SAO |
159090 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0027 |
|
DE1950 |
|
|
PmDE1950 |
-0.043 |
|
Vmag |
4.7 |
|
SpType |
A0p |
|
Double code |
|
|
Source |
74 |
|
CatNum |
559 |
|
DM |
BD-19 4047 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
134759 |
|
M HD |
0 |
|
GC |
20433 |
|
RA1950rad |
3.96785666 |
|
DE1950rad |
-0.34215096 |
|
PmRA2000 |
-0.0026 |
|
PmDE2000 |
-0.039 |
|
Catalog |
H |
|
HIP |
74392 |
|
Proxy |
|
|
RAhms |
15 12 13.31 |
|
DEdms |
-19 47 29.9 |
|
Vmag |
4.54 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
228.055 |
|
DEdeg |
-19.7916 |
|
AstroRef |
|
|
Plx |
8.66 |
|
CCDM |
15122-1948 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
S |
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
134759 |
|
BD |
BD-19 4047 |
|
CD |
|
|
CP |
|
|
Dm number |
-19 4047 |
|
VIred |
-0.06 |
|
SpType |
Asp... |
|
R SpType |
|
|
Coord arcsec 2000 |
151213.31-194729.9 |
|
HIP |
74392 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
3.9803187851 |
|
DErad |
-0.3454291287 |
|
Plx |
8.59 |
|
PmRA |
-35.4 |
|
PmDE |
-32.79 |
|
E RArad |
0.21 |
|
E DErad |
0.14 |
|
E Plx |
0.25 |
|
E pmRA |
0.27 |
|
E pmDE |
0.18 |
|
Hpmag |
4.5179 |
|
E Hpmag |
0.0006 |
|
SHp |
0.005 |
|
VA |
0 |
|
BV |
-0.071 |
|
E BV |
0.019 |
|
VI |
-0.06 |
|
Ccdm |
15122-1948 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
1.28 |
|
DDEs |
29.7 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
4 |
|
Vmag |
4.7 |
|
Sp |
A0 |
|
PmNote |
* |
|
PmRA |
-38 |
|
PmDE |
-43 |
|
Dm number |
-19 4047 |
|
Cat1 |
BD |
|
Name2 |
159090 |
|
Cat2 |
SAO |
|
HD |
134759 |
|
M HD |
|
|
ADS BDS |
A 9532 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
15066S1925A |
|
HIC |
74392 |
|
15122-1948 Ab
Coord arcsec 2000 |
151213.32-194729.9 |
|
Mag |
5.5 |
|
Calc delta mag |
0.4 |
|
Calc coord |
yes |
|
15122-1948 B
Coord arcsec 2000 |
151217.12-194749.7 |
|
Coord calc |
151217.12-194749.7 |
|
Mag |
10.87 |
|
Spectral class |
G5IV (yellow) |
|
PmRA |
-39.00 |
|
PmDE |
-23.0 |
|
Calc delta mag |
5.77 |
|
Ccdm |
15122-1948 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
H 44 |
|
DRAs |
5.36 |
|
DDEs |
12.7 |
|
R dRAs |
10 |
|
Year |
1782 |
|
Theta |
111 |
|
Rho |
57.8 |
|
Obs |
14 |
|
Vmag |
9.4 |
|
Sp |
|
|
PmNote |
* |
|
PmRA |
3 |
|
PmDE |
1 |
|
Dm number |
-19 4048 |
|
Cat1 |
BD |
|
Name2 |
159091 |
|
Cat2 |
SAO |
|
HD |
|
|
M HD |
|
|
ADS BDS |
A 9532 |
|
M ADS BDS |
N |
|
N IDS |
|
|
IDS |
15066S1925B |
|
HIC |
|
|
15122-1948 C
Coord arcsec 2000 |
151217.15-194747.7 |
|
Mag |
11.4 |
|
Calc delta mag |
6.3 |
|
Calc coord |
yes |
|
Ccdm |
15122-1948 |
|
RComp |
B |
|
Comp |
C |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
BU 618 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1943 |
|
Theta |
017 |
|
Rho |
1.9 |
|
Obs |
13 |
|
Vmag |
11.0 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A 9532 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
15066S1925C |
|
HIC |
|
|