11250-3200 CHR 242 Aa,Ab
11h 24m 58.83s -31° 59' 57.5" P.A. 72.00 sep 0.1 mag 8.00,8.90 Sp G5V dist. 47.35 pc (154.46 l.y.)
Coord 2000 |
11250-3200 |
|
Discov num |
CHR 242 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
11 24 58.83 -31 59 57.5 |
|
Date first |
1996 |
|
Date last |
2021 |
|
Obs |
12 |
|
Pa first |
340 |
|
Pa last |
71.9 |
|
P.A. Now (θ) |
345.9° |
|
Sep first |
0.1 |
|
Sep last |
0.096 |
|
Sep. Now (ρ) |
0.058" |
|
Mag pri |
8.00 |
|
Mag sec |
8.90 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
G5V (yellow) |
|
Pri motion ra |
-060 |
|
Sec motion ra |
|
|
Pri motion dec |
+013 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
11250-3200 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
202425 |
11 24 59 -31 59 58 |
CHR 242 Aa,Ab |
2021 |
12 |
72 |
0.1 |
8.00 |
8.90 |
0.90 |
Y |
<=== |
Show |
HD 99240 |
202425 |
11 24 59 -31 59 58 |
UC 2133 AB |
2017 |
10 |
192 |
57.1 |
8.93 |
9.92 |
0.99 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hydra |
|
SAO |
202425 |
|
HIP |
55714 |
|
Tycho2 |
7219-00022-1 |
|
Gaia DR2 |
3481380127975181696 |
|
HD |
99240 |
|
CD |
CD-31 8979 |
|
CP |
CP-31 3271 |
|
Distance |
47.35 |
|
Distance ly |
154.46 |
|
ORBITAL ELEMENTS
Period (P) | 13.47y | ± 0.13 |
Periastron (T) | 2010.74y | ± 0.14 |
Semi-major axis (a) | 0.137a | ± 0.002 |
Eccentricity (e) | 0.563 | ± 0.02 |
Inclination (i) | 115.7° | ± 1 |
Longitude of periastron (ω) | 211° | ± 4.7 |
Node (Ω) | 123.7° | ± 1.7 |
Notes | n | |
Reference | Tok2019c | |
Equinox | | |
Last observation | 2018 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
129.7 |
0.152 |
2001 |
123.4 |
0.182 |
2002 |
118.4 |
0.197 |
2003 |
113.9 |
0.198 |
2004 |
109.1 |
0.190 |
2005 |
103.6 |
0.172 |
2006 |
96.5 |
0.145 |
2007 |
85.5 |
0.112 |
2008 |
64.4 |
0.076 |
2009 |
17.4 |
0.054 |
2010 |
323.3 |
0.065 |
2011 |
266.6 |
0.039 |
2012 |
152.3 |
0.072 |
2013 |
133.9 |
0.132 |
2014 |
126.1 |
0.170 |
2015 |
120.7 |
0.191 |
2016 |
116.0 |
0.199 |
2017 |
111.4 |
0.195 |
2018 |
106.4 |
0.181 |
2019 |
100.1 |
0.159 |
2020 |
91.4 |
0.128 |
2021 |
76.4 |
0.093 |
2022 |
43.6 |
0.061 |
2023 |
345.9 |
0.058 |
2024 |
300.6 |
0.061 |
2025 |
182.6 |
0.040 |
2026 |
139.9 |
0.106 |
2027 |
129.3 |
0.155 |
2028 |
123.1 |
0.183 |
2029 |
118.1 |
0.197 |
2030 |
113.6 |
0.198 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 11250-3200 CHR 242 Aa,Ab : NOTES
discov_num |
notes |
refcode |
CHR 242 |
Aa,Ab: The 0".1 pair CHR 242 has only 1 observation in the WDS, |
|
|
unresolved with speckle. Double lines were noted by the GCS. This star |
|
|
remains a mystery. |
Tok2012a |
UC 2133 |
AB: CPM candidate does not pass photometry test; likely optical. |
Tok2013c |
REFERENCES
refcode |
metd |
author |
reference |
Tok2012a |
A j |
Tokovinin, A., Hartnung, M., Hayward, T.L., & Makarov, V.V. |
2012AJ....144....7T |
Tok2012a |
|
AJ 144, 7, 2012 |
|
Tok2013c |
- |
Tokovinin, A. |
. |
Tok2013c |
|
private communication, 2013 |
|
Tok2019c |
St j |
Tokovinin, A., Mason, B.D., Mendez, R.A., Horch, E.P. & Briceno, C. |
2019AJ....158...48T |
Tok2019c |
+orb |
AJ 158, 48, 2019 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
CHR |
Center for High Ang. Res. Astronomy (speckle interferometry systems) |
3 |
UC |
USNO CCD Astrographic Catalog (UCAC1, UCAC2, UCAC3, UCAC4) |
3 |
UC |
Zacharias, N., Finch, C.T., Girard, T.M., Henden, A., Bartlett, J.L., Monet, D.G., |
3 |
UC |
& Zacharias, M.I. (UCAC4 Catalog) |
14 |
UC |
Zacharias, N., Finch, C.T., Subasavage, J.P., Bredthauer, G., Crockett, C., |
14 |
UC |
DiVittorio, M., Ferguson, E., Harris, F., Harris, H.C., Hendon, A., Kilian, C., |
14 |
UC |
Munn, J., Rafferty, T., Rhodes, A., Schultheis, M., Tilleman, T., & Wieder, G. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
11250-3200 |
CHR 242 |
Aa,Ab |
2001 |
2 |
292 |
0.2 |
8.00 |
8.90 |
G5V |
D |
112458.83-315957.5 |
11250-3200 |
CHR 242 |
Aa,Ab |
2013 |
3 |
132 |
0.1 |
8.00 |
8.90 |
G5V |
N |
112458.83-315957.5 |
11250-3200 |
CHR 242 |
Aa,Ab |
2014 |
4 |
126 |
0.2 |
8.00 |
8.90 |
G5V |
N |
112458.83-315957.5 |
11250-3200 |
CHR 242 |
Aa,Ab |
2015 |
5 |
120 |
0.2 |
8.00 |
8.90 |
G5V |
N |
112458.83-315957.5 |
11250-3200 |
CHR 242 |
Aa,Ab |
2017 |
7 |
110 |
0.2 |
8.00 |
8.90 |
G5V |
N |
112458.83-315957.5 |
11250-3200 |
CHR 242 |
Aa,Ab |
2018 |
9 |
100 |
0.2 |
8.00 |
8.90 |
G5V |
N |
112458.83-315957.5 |
11250-3200 |
CHR 242 |
Aa,Ab |
2019 |
10 |
92 |
0.1 |
8.00 |
8.90 |
G5V |
NO |
112458.83-315957.5 |
11250-3200 |
CHR 242 |
Aa,Ab |
2020 |
11 |
79 |
0.1 |
8.00 |
8.90 |
G5V |
NO |
112458.83-315957.5 |
11250-3200 |
CHR 242 |
Aa,Ab |
2021 |
12 |
72 |
0.1 |
8.00 |
8.90 |
G5V |
NO |
112458.83-315957.5 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 11250-3200 CHR 242 Aa,Ab : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 11250-3200 CHR 242 Aa,Ab : MEASURES
No records found.
WDS 11250-3200 : 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 11250-3200 : ALADIN DSS IMAGE @ 11h 24m 58.83s -31° 59' 57.5"
WDS 11250-3200 CHR 242 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 |
|
11250-3200 |
CHR 242 |
Aa,Ab |
72 |
0.1 |
|
Show |
|
11250-3200 |
UC 2133 |
AB |
192 |
57.1 |
|
Show |
|
11249-3225 |
TDS7846 |
|
188 |
1.4 |
25 |
Show |
|
11270-3157 |
UC 2139 |
|
143 |
34.7 |
26 |
Show |
|
11264-3223 |
RST2748 |
|
21 |
1.4 |
30 |
Show |
|
11235-3135 |
RST2745 |
|
192 |
0.3 |
31 |
Show |
|
11234-3224 |
LDS4092 |
|
121 |
18.9 |
31 |
Show |
|
11214-3212 |
RST2742 |
|
113 |
0.8 |
48 |
Show |
|
11273-3242 |
RST2750 |
|
97 |
1.5 |
51 |
Show |
|
11286-3136 |
TDS 636 |
|
190 |
1.1 |
53 |
Show |
|
11229-3247 |
JSP 484 |
AB |
143 |
2.7 |
54 |
Show |
|
11275-3115 |
TDS7865 |
|
261 |
0.5 |
56 |
Show |
|
11241-3255 |
BRT1669 |
|
143 |
3.8 |
56 |
Show |
|
11282-3114 |
HJ 4439 |
|
109 |
18.4 |
62 |
Show |
|
11296-3133 |
BRT2987 |
|
215 |
3.8 |
65 |
Show |
|
11218-3107 |
SKF1901 |
|
228 |
43.1 |
67 |
Show |
|
11230-3054 |
HJ 4430 |
|
271 |
17.3 |
72 |
Show |
|
11299-3123 |
RUZ 1 |
|
79 |
22.6 |
73 |
Show |
|
11225-3054 |
HJ 4428 |
|
134 |
23.1 |
73 |
Show |
|
11240-3045 |
RUZ 7 |
|
135 |
6.6 |
76 |
Show |
|
11273-3044 |
I 76 |
|
50 |
7.2 |
82 |
Show |
|
11219-3318 |
HDS1617 |
|
103 |
0.4 |
88 |
Show |
|
11188-3121 |
I 505 |
|
284 |
1.6 |
89 |
Show |
|
11274-3328 |
UC 2141 |
|
173 |
64.0 |
94 |
Show |
|
11191-3100 |
I 506 |
|
173 |
0.8 |
97 |
Show |
|
11261-3338 |
TVB 238 |
|
232 |
11.4 |
100 |
Show |
|
11330-3151 |
HJ 4449 |
AB |
134 |
74.6 |
103 |
Show |
|
11330-3151 |
WSI 102 |
Aa,Ab |
14 |
0.1 |
103 |
Show |
|
11219-3024 |
LDS5729 |
|
137 |
78.2 |
104 |
Show |
|
11277-3022 |
UC 2142 |
|
109 |
51.6 |
105 |
Show |
|
11301-3038 |
UC 2155 |
|
321 |
8.0 |
105 |
Show |
|
11295-3031 |
SKF1218 |
|
346 |
3.7 |
107 |
Show |
|
11332-3137 |
LDS5731 |
|
18 |
9.2 |
107 |
Show |
|
11335-3221 |
LDS5732 |
|
22 |
277.0 |
111 |
Show |
|
11172-3110 |
RSS 260 |
|
236 |
1.7 |
112 |
Show |
|
11339-3150 |
LDS5733 |
AB |
328 |
17.0 |
114 |
Show |
|
11339-3150 |
LDS5733 |
Aa,Ab |
352 |
0.8 |
114 |
Show |
|
11344-3225 |
KPP 876 |
|
156 |
7.4 |
123 |
Show |
|
11348-3227 |
I 1213 |
|
153 |
1.6 |
128 |
Show |
|
11316-3338 |
I 1543 |
AB |
340 |
2.5 |
129 |
Show |
|
11316-3338 |
I 1543 |
AC |
160 |
26.8 |
129 |
Show |
|
11345-3250 |
LDS6245 |
|
129 |
15.1 |
131 |
Show |
|
11323-3020 |
LPR 1 |
|
359 |
80.2 |
138 |
Show |
|
11338-3039 |
SKF1903 |
|
96 |
13.5 |
139 |
Show |
|
11164-3032 |
DAW 100 |
|
327 |
1.9 |
141 |
Show |
|
11219-3416 |
VOU 25 |
|
238 |
0.4 |
142 |
Show |
|
11170-3023 |
DAW 101 |
|
284 |
3.7 |
142 |
Show |
|
11359-3259 |
LDS4121 |
|
220 |
3.0 |
151 |
Show |
|
11218-2936 |
LDS4089 |
|
106 |
22.4 |
151 |
Show |
|
11267-3429 |
NSN 294 |
|
110 |
7.1 |
151 |
Show |
|
11214-2936 |
HDS1616 |
|
181 |
0.3 |
152 |
|
|
WDS 11250-3200 : COMPONENTS
|
A |
Ab |
Ab |
pa=68.9°
sep=0.08"
| |
B |
pa=189.8°
sep=56.78"
| pa=189.9°
sep=56.82"
|
11250-3200 A
Name |
HD 99240 |
|
Coord arcsec 2000 |
112458.83-315957.5 |
|
Mag |
8.93 |
|
Spectral class |
G5V (yellow) |
|
PmRA |
-64.00 |
|
PmDE |
3.0 |
|
SAO |
202425 |
|
HIP |
55714 |
|
Tycho2 |
7219-00022-1 |
|
HD |
99240 |
|
CD |
CD-31 8979 |
|
CP |
CP-31 3271 |
|
Tycho2 |
7219-00022-1 |
|
Pflag |
|
|
RAmdeg |
171.24514253 |
|
DEmdeg |
-31.99930911 |
|
PmRA |
-66.4 |
|
PmDE |
3.3 |
|
E RAmdeg |
6 |
|
E DEmdeg |
7 |
|
E pmRA |
1.3 |
|
E pmDE |
1.3 |
|
EpRAm |
1991.06 |
|
EpDEm |
1990.79 |
|
Num |
11 |
|
Q RAmdeg |
0.7 |
|
Q DEmdeg |
0.9 |
|
Q pmRA |
0.8 |
|
Q pmDE |
0.9 |
|
BTmag |
8.901 |
|
E BTmag |
0.017 |
|
VTmag |
8.151 |
|
E VTmag |
0.012 |
|
Prox |
584 |
|
TYC |
T |
|
HIP |
55714 |
|
CCDM |
|
|
RAdeg |
171.24532417 |
|
DEdeg |
-31.99931694 |
|
EpRA 1990 |
1.66 |
|
EpDE 1990 |
1.59 |
|
E RAdeg |
6.1 |
|
E DEdeg |
6.7 |
|
Posflg |
|
|
Corr |
0.2 |
|
SAO |
202425 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0047 |
|
DE1950 |
|
|
PmDE1950 |
0.013 |
|
Vmag |
8 |
|
SpType |
G5 |
|
Double code |
|
|
Source |
40 |
|
CatNum |
5638 |
|
DM |
CD-31 8979 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
99240 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
2.97810936 |
|
DE1950rad |
-0.55369471 |
|
PmRA2000 |
-0.0045 |
|
PmDE2000 |
0.017 |
|
Catalog |
H |
|
HIP |
55714 |
|
Proxy |
|
|
RAhms |
11 24 58.88 |
|
DEdms |
-31 59 57.5 |
|
Vmag |
8.08 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
171.245 |
|
DEdeg |
-31.9993 |
|
AstroRef |
|
|
Plx |
20.55 |
|
CCDM |
|
|
N CCDM |
|
|
Nsys |
|
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
99240 |
|
BD |
|
|
CD |
CD-31 8979 |
|
CP |
CP-31 3271 |
|
Dm number |
-31 8979 |
|
VIred |
0.73 |
|
SpType |
G5V |
|
R SpType |
|
|
Coord arcsec 2000 |
112458.88-315957.5 |
|
HIP |
55714 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
2.9887948168 |
|
DErad |
-0.5584934487 |
|
Plx |
21.12 |
|
PmRA |
-58.84 |
|
PmDE |
-0.37 |
|
E RArad |
0.54 |
|
E DErad |
0.48 |
|
E Plx |
0.75 |
|
E pmRA |
0.74 |
|
E pmDE |
0.48 |
|
Hpmag |
8.212 |
|
E Hpmag |
0.0018 |
|
SHp |
0.014 |
|
VA |
0 |
|
BV |
0.665 |
|
E BV |
0.013 |
|
VI |
0.73 |
|
11250-3200 Ab
Coord arcsec 2000 |
112458.84-315957.5 |
|
Mag |
8.9 |
|
Calc delta mag |
0.9 |
|
Calc coord |
yes |
|
11250-3200 B
Coord arcsec 2000 |
112458.07-320053.5 |
|
Mag |
9.92 |
|
PmRA |
-70.00 |
|
PmDE |
7.0 |
|
Tycho2 |
7219-00003-1 |
|
Calc delta mag |
1.92 |
|
Calc coord |
yes |
|
Tycho2 |
7219-00003-1 |
|
Pflag |
|
|
RAmdeg |
171.24129462 |
|
DEmdeg |
-32.01517661 |
|
PmRA |
-65.8 |
|
PmDE |
7.9 |
|
E RAmdeg |
20 |
|
E DEmdeg |
23 |
|
E pmRA |
2.2 |
|
E pmDE |
2.1 |
|
EpRAm |
1990.35 |
|
EpDEm |
1989.58 |
|
Num |
6 |
|
Q RAmdeg |
0.9 |
|
Q DEmdeg |
2.0 |
|
Q pmRA |
0.9 |
|
Q pmDE |
2.0 |
|
BTmag |
10.633 |
|
E BTmag |
0.041 |
|
VTmag |
9.949 |
|
E VTmag |
0.033 |
|
Prox |
584 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
171.24147444 |
|
DEdeg |
-32.01519444 |
|
EpRA 1990 |
1.71 |
|
EpDE 1990 |
1.59 |
|
E RAdeg |
19.7 |
|
E DEdeg |
24.1 |
|
Posflg |
|
|
Corr |
0.2 |
|