17238-2138 HDS 2456 (HD 157380)
17h 23m 48.27s -21° 38' 27.4" P.A. 205.00 sep 0.1 mag 9.15,11.21 Sp K2III dist. 253.16 pc (825.81 l.y.)
| Coord 2000 |
17238-2138 |
|
Discov num |
HDS2456 |
|
Comp |
|
|
Coord arcsec 2000 |
17 23 48.27 -21 38 27.4 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
205 |
|
Pa last |
205 |
|
P.A. Now (θ) |
205° |
|
| Sep first |
0.1 |
|
Sep last |
0.142 |
|
Sep. Now (ρ) |
0.142" |
|
| Mag pri |
9.15 |
|
Mag sec |
11.21 |
|
delta mag (ΔM) |
2.06 |
|
Spectral class |
K2III (yellow-orange) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
+008 |
|
Sec motion dec |
|
|
| Notes |
X
(Dubious double) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 157380 |
|
Constellation |
Ophiuchus |
|
SAO |
185355 |
|
HIP |
85121 |
|
| Tycho2 |
6246-00390-1 |
|
Gaia DR2 |
4114862794592444672 |
|
HD |
157380 |
|
BD |
BD-21 4595 |
|
| Distance |
253.16 |
|
Distance ly |
825.81 |
|
WDS 17238-2138 HDS 2456 (HD 157380) : NOTES
No records found.
REFERENCES
| refcode |
metd |
author |
reference |
| HDS |
|
Hipparcos Double Star (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 |
| 17238-2138 |
HDS2456 |
|
1991 |
1 |
205 |
0.1 |
9.15 |
11.21 |
K2III |
|
172348.27-213827.4 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 17238-2138 HDS 2456 (HD 157380) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 17238-2138 HDS 2456 (HD 157380) : MEASURES
No records found.
WDS 17238-2138 (HD 157380) : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 17238-2138 (HD 157380) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
