21022-4300 DUN 236 (HD 200011)
21h 02m 12.73s -43° 00' 07.7" P.A. 73.00 sep 57.4 mag 6.68,6.95 Sp G3IV+ dist. 82.24 pc (268.27 l.y.)
Coord 2000 |
21022-4300 |
|
Discov num |
DUN 236 |
|
Comp |
|
|
Coord arcsec 2000 |
21 02 12.73 -43 00 07.7 |
|
Date first |
1826 |
|
Date last |
2018 |
|
Obs |
32 |
|
Pa first |
75 |
|
Pa last |
73.1 |
|
P.A. Now (θ) |
73.1° |
|
Sep first |
67.2 |
|
Sep last |
57.422 |
|
Sep. Now (ρ) |
57.422" |
|
Mag pri |
6.68 |
|
Mag sec |
6.95 |
|
delta mag (ΔM) |
0.27 |
|
Spectral class |
G3IV+ (yellow) |
|
Pri motion ra |
+073 |
|
Sec motion ra |
+071 |
|
Pri motion dec |
-114 |
|
Sec motion dec |
-111 |
|
Notes |
N
T
(See Notes, Parallax indicates physical) |
|
rPM=0.027 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 200011 |
|
Constellation |
Microscopium |
|
SAO |
230492 |
|
HIP |
103814 |
|
Tycho2 |
7973-01202-1 |
|
Gaia DR2 |
6484888042680733824 |
|
HD |
200011 |
|
HR |
8042 |
|
GC |
29345 |
|
CD |
CD-4314325 |
|
CP |
CP-43 9359 |
|
Distance |
82.24 |
|
Distance ly |
268.27 |
|
WDS 21022-4300 DUN 236 (HD 200011) : NOTES
discov_num |
notes |
refcode |
DUN 236 |
B is CD-43@14327. |
|
|
A is ~1090d spectroscopic binary (G3IV+K0IV), B is a K0III. |
Tok2023b |
|
SHY 788. Bayesian analysis by Shaya & Olling (2011) indicates very |
Shy2011 |
|
high (near 100%) probability pair is physical. |
|
REFERENCES
refcode |
metd |
author |
reference |
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.) |
|
Tok2023b |
St+ |
Tokovinin, A. |
2023AJ....165..160T |
Tok2023b |
orb |
AJ 165, 160, 2023 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
DUN |
Dunlop, J. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
21022-4300 |
DUN 236 |
|
1999 |
26 |
73 |
57.5 |
6.68 |
6.95 |
G3IV+K0IV |
NZD |
210212.73-430007.7 |
21022-4300 |
DUN 236 |
|
2013 |
28 |
72 |
57.5 |
6.68 |
6.95 |
G3IV K0IV |
NZ V |
210212.73-430007.7 |
21022-4300 |
DUN 236 |
|
2016 |
30 |
73 |
57.5 |
6.68 |
6.95 |
G3IV+K0IV |
NZ V |
210212.73-430007.7 |
21022-4300 |
DUN 236 |
|
2018 |
32 |
73 |
57.4 |
6.68 |
6.95 |
G3IV+K0IV |
NZ V |
210212.73-430007.7 |
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WDS 21022-4300 DUN 236 (HD 200011) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21022-4300 DUN 236 (HD 200011) : MEASURES
No records found.
WDS 21022-4300 (HD 200011) : VIRTUAL EYEPIECE
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WDS 21022-4300 (HD 200011) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.