17232-5313 TDT 331 (HD 156939)
17h 23m 12.17s -53° 12' 30.9" P.A. 94.00 sep 0.4 mag 9.56,10.17 Sp M3III:
Coord 2000 |
17232-5313 |
|
Discov num |
TDT 331 |
|
Comp |
|
|
Coord arcsec 2000 |
17 23 12.17 -53 12 30.9 |
|
Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
Pa first |
94 |
|
Pa last |
93.6 |
|
P.A. Now (θ) |
93.6° |
|
Sep first |
0.4 |
|
Sep last |
0.4 |
|
Sep. Now (ρ) |
0.4" |
|
Mag pri |
9.56 |
|
Mag sec |
10.17 |
|
delta mag (ΔM) |
0.61 |
|
Spectral class |
M3III: (red) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-018 |
|
Sec motion dec |
-018 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 156939 |
|
Constellation |
Ara |
|
SAO |
244691 |
|
Tycho2 |
8728-00356-1 |
|
Gaia DR2 |
5924778265252906112 |
|
HD |
156939 |
|
DM |
CP-53 8572 |
|