07209-2039 DON 170 AB
07h 20m 54.14s -20° 38' 56.6" P.A. 286.00 sep 2.2 mag 7.00,13.00 Sp A7IV dist. 130.89 pc (426.96 l.y.)
| Coord 2000 |
07209-2039 |
|
Discov num |
DON 170 |
|
Comp |
AB |
|
Coord arcsec 2000 |
07 20 54.14 -20 38 56.6 |
|
| Date first |
1933 |
|
Date last |
1941 |
|
Obs |
2 |
|
| Pa first |
282 |
|
Pa last |
285.5 |
|
P.A. Now (θ) |
285.5° |
|
| Sep first |
2.3 |
|
Sep last |
2.17 |
|
Sep. Now (ρ) |
2.17" |
|
| Mag pri |
7.00 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
6 |
|
Spectral class |
A7IV (white) |
|
| Pri motion ra |
-020 |
|
Sec motion ra |
|
|
| Pri motion dec |
-007 |
|
Sec motion dec |
|
|
| Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Canis Major |
|
SAO |
173515 |
|
HIP |
35610 |
|
Tycho2 |
5978-03676-1 |
|
| HD |
57544 |
|
BD |
BD-20 1869 |
|
Distance |
130.89 |
|
Distance ly |
426.96 |
|
WDS 07209-2039 DON 170 AB : NOTES
No records found.
REFERENCES
| refcode |
metd |
author |
reference |
| Don1937 |
Ma j |
Donner, H.F. |
1937MmRAS..65...51R |
| Don1937 |
|
MemRAS 65, 51, 1937 |
|
| Don1955 |
Ma - |
Donner, H.F. |
1955POMic..11....1R |
| Don1955 |
|
Pub. Univ. Michigan Obs. 11, 1, 1955 |
|
| Don1964 |
Ma j |
Donner, H.F. |
1964POMic...9...73R |
| Don1964 |
|
Pub. Univ. Michigan Obs. 9, 73, 1964 |
|
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 07209-2039 |
DON 170 |
AB |
1941 |
2 |
286 |
2.2 |
7.00 |
13.00 |
A7IV |
W |
072054.14-203856.6 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 07209-2039 DON 170 AB : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 07209-2039 DON 170 AB : MEASURES
No records found.
WDS 07209-2039 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 07209-2039 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
