19583-5154 DUN 229 AB (HD 188557)
19h 58m 15.29s -51° 53' 43.4" P.A. 242.00 sep 80.9 mag 7.65,8.23 Sp A9IV+F6V dist. 87.72 pc (286.14 l.y.)
Coord 2000 |
19583-5154 |
|
Discov num |
DUN 229 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 58 15.29 -51 53 43.4 |
|
Date first |
1826 |
|
Date last |
2016 |
|
Obs |
22 |
|
Pa first |
247 |
|
Pa last |
242.1 |
|
P.A. Now (θ) |
242.1° |
|
Sep first |
84.1 |
|
Sep last |
80.87 |
|
Sep. Now (ρ) |
80.87" |
|
Mag pri |
7.65 |
|
Mag sec |
8.23 |
|
delta mag (ΔM) |
0.58 |
|
Spectral class |
A9IV+F6V (white/yellow-white) |
|
Pri motion ra |
+046 |
|
Sec motion ra |
+046 |
|
Pri motion dec |
-044 |
|
Sec motion dec |
-043 |
|
Notes |
N
T
W
(See Notes, Parallax indicates physical, ) |
|
rPM=0.016 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 188557 |
|
Constellation |
Telescopium |
|
SAO |
246357 |
|
HIP |
98294 |
|
Tycho2 |
8403-02136-1 |
|
HD |
188557 |
|
GC |
27623 |
|
CP |
CP-5211589 |
|
Distance |
87.72 |
|
Distance ly |
286.14 |
|
WDS 19583-5154 DUN 229 AB (HD 188557) : NOTES
discov_num |
notes |
refcode |
DUN 229 |
B is CPD-52@11587. |
|
|
Estimated P of AB ~ 400 kyr. B is a spectroscopic binary with P ~ 236d. |
Tok2022e |
REFERENCES
refcode |
metd |
author |
reference |
Tok2022e |
orb |
Tokovinin, A. |
2022AJ....163..161T |
Tok2022e |
|
AJ 163, 161, 2022 |
|
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 |
19583-5154 |
DUN 229 |
AB |
2016 |
21 |
242 |
80.9 |
7.65 |
8.23 |
A9IV |
NTW |
195815.29-515343.4 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 19583-5154 DUN 229 AB (HD 188557) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 19583-5154 DUN 229 AB (HD 188557) : MEASURES
No records found.
WDS 19583-5154 (HD 188557) : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
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WDS 19583-5154 (HD 188557) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.