10419-7811 HDS1530

 
 
10h 41m 54.45s -78 11' 03.3" P.A. 19.5 sep 0.2 mag 10.31,11.08 Sp K5V dist. 47.62 pc (155.34 l.y.)
 
 
Coord 2000
10419-7811
Discov num
HDS1530
Comp
Coord arcsec 2000
10 41 54.45 -78 11 03.3
Date first
1991
Date last
2015
Obs
10
Pa first
84
Pa last
7
P.A. Now (θ)
19.5°
Sep first
0.4
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
10.31
Mag sec
11.08
delta mag (ΔM)
0.77
Spectral class
K5V (yellow-orange)
Pri motion ra
-140
Sec motion ra
Pri motion dec
+102
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
7.1
Precise sep
0.186
Constellation
Chamaeleon
HIP
52351
Tycho2
9414-00744-1
CD
CD-77 464
Distance
47.62
Distance ly
155.34
last precise pa
7.1
last precise sep
0.186
 
 
ORBITAL ELEMENTS
 
 
Period (P)43.48y Periastron (T)2007.33y Semi-major axis (a)0.277a
Eccentricity (e)0.637 Inclination (i)55.2° Longitude of periastron (ω)121.2°
Node (Ω)114.9° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.293 107.1
2001 0.272 110.6
2002 0.247 114.7
2003 0.215 120.0
2004 0.177 127.3
2005 0.131 139.1
2006 0.081 165.4
2007 0.062 230.6
2008 0.099 278.3
2009 0.131 299.5
2010 0.149 313.7
2011 0.159 325.5
2012 0.165 336.1
2013 0.171 346.0
2014 0.176 355.4
2015 0.183 4.0
2016 0.190 12.1
2017 0.199 19.5
2018 0.208 26.2
2019 0.219 32.4
2020 0.229 37.9
2021 0.241 43.0
2022 0.252 47.6
2023 0.263 51.8
2024 0.274 55.7
2025 0.285 59.3
2026 0.295 62.6
2027 0.305 65.7
2028 0.314 68.6
2029 0.322 71.4
2030 0.330 74.0

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds10419-7811a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10419-7811 HDS1530 1991 1 84 0.4 10.31 11.08 K5V 104154.45-781103.3
10419-7811 HDS1530 2009 2 134 0.1 10.31 11.08 K5V 104154.45-781103.3
10419-7811 HDS1530 2010 4 125 0.2 10.31 11.08 K5V 104154.45-781103.3
10419-7811 HDS1530 2012 7 152 0.2 10.31 11.08 K5V 104154.45-781103.3
10419-7811 HDS1530 2013 8 165 0.2 10.31 11.08 K5V 104154.45-781103.3
10419-7811 HDS1530 2014 9 177 0.2 10.31 11.08 K5V O 104154.45-781103.3
10419-7811 HDS1530 2015 10 187 0.2 10.31 11.08 K5V O 104154.45-781103.3

If you need more information about this double, apply for a data request form to the WDS.
 
 
WDS 10419-7811 HDS1530 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2015c orb j Tokovinin, A., Mason, B.D., Hartkopf, W.I., Mendez, R.A., & Horch, E.P. 2015AJ....150...50T
Tok2015c +St AJ 150, 50, 2015 (some measures corrected in Tok2017b) 2017AJ....154..110T
 
 
DISCOVERER
 
 
discov author
HDS Hipparcos Double Star (from additional DD list)

 
 
WDS 10419-7811 HDS1530 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10419-7811 HDS1530 : MEASURES
 
 
No records found.

 
 
WDS 10419-7811 HDS1530 : Virtual Eyepiece
 
 

10419-7811  HDS1530 A 10419-7811  HDS1530 sep 0.2 P.A. 19.5 mag 10.31,11.08 Sp K5V virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Radius:
 
 
WDS 10419-7811 HDS1530 : Aladin DSS image @ 10h 41m 54.45s -78 11' 03.3"
 
 
 
 
WDS 10419-7811 HDS1530 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


10419-7811  HDS1530 distance=1' 10323-7902  UC 1949 distance=59' 10495-7656  TDS7488 distance=79' 10453-8028  I   294 (Del1 Cha) distance=138' 10339-8028  UC 1956 distance=139' grafico limitrofi
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 sep pa dist(')
Show 10419-7811 HDS1530 0.20 19.50 1
Show 10323-7902 UC 1949 37.50 118 59
Show 10495-7656 TDS7488 1 289 79
Show Del1 Cha 10453-8028 I 294 0.80 85 138
Show 10339-8028 UC 1956 51.50 272 139