17267+3105 LDS 995 (HD 158226)
17h 26m 43.20s +31° 04' 37.9" P.A. 200.00 sep 68.1 mag 8.48,9.67 Sp G1V+G8V dist. 71.23 pc (232.35 l.y.)
| Coord 2000 |
17267+3105 |
|
Discov num |
LDS 995 |
|
Comp |
|
|
Coord arcsec 2000 |
17 26 43.20 +31 04 37.9 |
|
| Date first |
1902 |
|
Date last |
2020 |
|
Obs |
22 |
|
| Pa first |
201 |
|
Pa last |
199.5 |
|
P.A. Now (θ) |
199.5° |
|
| Sep first |
68.3 |
|
Sep last |
68.08 |
|
Sep. Now (ρ) |
68.08" |
|
| Mag pri |
8.48 |
|
Mag sec |
9.67 |
|
delta mag (ΔM) |
1.19 |
|
Spectral class |
G1V+G8V (yellow/yellow) |
|
| Pri motion ra |
-361 |
|
Sec motion ra |
-360 |
|
| Pri motion dec |
+075 |
|
Sec motion dec |
+075 |
|
| Notes |
N
T
(See Notes, Parallax indicates physical) |
|
rPM=0.003 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 158226 |
|
Constellation |
Hercules |
|
SAO |
66051 |
|
HIP |
85373 |
|
| Tycho2 |
2605-00347-1 |
|
HD |
158226 |
|
BD |
BD+31 3025 |
|
Distance |
71.23 |
|
| Distance ly |
232.35 |
|
WDS 17267+3105 LDS 995 (HD 158226) : NOTES
| discov_num |
notes |
refcode |
| LDS 995 |
B is BD+31@3025. |
|
|
NLTT 44816/44814 |
Chm2004 |
|
HJL 247. |
HJL1986 |
|
SHY 720. Bayesian analysis by Shaya & Olling (2011) indicates very |
Shy2011 |
|
high (near 100%) probability pair is physical. |
|
REFERENCES
| refcode |
metd |
author |
reference |
| Chm2004 |
E - |
Chaname, J. & Gould, A. |
2004ApJ...601..289C |
| Chm2004 |
|
ApJ 601, 289, 2004 |
|
| Chm2004 |
|
(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early |
|
| Chm2004 |
|
versions of 2MASS and UCAC, with date given only as "circa 2000". Measures |
|
| Chm2004 |
|
identical to discovery observations - predominantly close pairs - were assumed |
|
| Chm2004 |
|
not new observations, so not included in WDS. Similar concerns when primary and |
|
| Chm2004 |
|
secondary magnitudes or proper motions were the same.) |
|
| HJL1986 |
Pa - |
Halbwachs, J.L. |
1986A&AS...66..131H |
| HJL1986 |
|
A&AS 66, 131, 1986 |
|
| HJL1986 |
|
(Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added |
|
| HJL1986 |
|
only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113) |
|
| Shy2011 |
- |
Shaya, E.J. & Olling, R. |
2011ApJS..192....2S |
| Shy2011 |
|
ApJS 192, 2, 2011 |
|
| Shy2011 |
|
(Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs |
|
| Shy2011 |
|
added to WDS only if probability 90% or greater.) |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
LDS |
Luyten p.m. catalog (from additional DD list) |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 17267+3105 |
LDS 995 |
|
2004 |
13 |
200 |
68.1 |
8.48 |
9.67 |
G1V |
NZDV |
172643.20+310437.9 |
| 17267+3105 |
LDS 995 |
|
2010 |
15 |
200 |
67.9 |
8.48 |
9.67 |
G1V+G8V |
NZ V |
172643.20+310437.9 |
| 17267+3105 |
LDS 995 |
|
2015 |
16 |
200 |
67.8 |
8.48 |
9.67 |
G1V+G8V |
NZ V |
172643.20+310437.9 |
| 17267+3105 |
LDS 995 |
|
2020 |
20 |
200 |
68.1 |
8.48 |
9.67 |
G1V+G8V |
NT |
172643.20+310437.9 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 17267+3105 LDS 995 (HD 158226) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 17267+3105 LDS 995 (HD 158226) : MEASURES
No records found.
WDS 17267+3105 (HD 158226) : VIRTUAL EYEPIECE
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WDS 17267+3105 (HD 158226) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
