18303-1321 TDT 917 (HD 170494)
18h 30m 18.04s -13° 21' 17.1" P.A. 33.00 sep 7.6 mag 10.19,11.58 Sp B
Coord 2000 |
18303-1321 |
|
Discov num |
TDT 917 |
|
Comp |
|
|
Coord arcsec 2000 |
18 30 18.04 -13 21 17.1 |
|
Date first |
1907 |
|
Date last |
2015 |
|
Obs |
13 |
|
Pa first |
37 |
|
Pa last |
32.9 |
|
P.A. Now (θ) |
32.9° |
|
Sep first |
8.2 |
|
Sep last |
7.605 |
|
Sep. Now (ρ) |
7.605" |
|
Mag pri |
10.19 |
|
Mag sec |
11.58 |
|
delta mag (ΔM) |
1.39 |
|
Spectral class |
B (blue-white) |
|
Pri motion ra |
+004 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
-001 |
|
Notes |
|
|
rPM=1.213
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 170494 |
|
Constellation |
Scutum |
|
SAO |
161543 |
|
Tycho2 |
5702-01494-1 |
|
Gaia DR2 |
4104828995108639616 |
|
HD |
170494 |
|
DM |
BD-13 5006 |
|