19191-2018 I 647 (HD 180930)
19h 19m 06.66s -20° 17' 45.9" P.A. 347.00 sep 1.6 mag 9.85,11.46 Sp A6/8III
Coord 2000 |
19191-2018 |
|
Discov num |
I 647 |
|
Comp |
|
|
Coord arcsec 2000 |
19 19 06.66 -20 17 45.9 |
|
Date first |
1909 |
|
Date last |
2016 |
|
Obs |
8 |
|
Pa first |
340 |
|
Pa last |
347.3 |
|
P.A. Now (θ) |
347.3° |
|
Sep first |
0.9 |
|
Sep last |
1.604 |
|
Sep. Now (ρ) |
1.604" |
|
Mag pri |
9.85 |
|
Mag sec |
11.46 |
|
delta mag (ΔM) |
1.61 |
|
Spectral class |
A6/8III (white) |
|
Pri motion ra |
+004 |
|
Sec motion ra |
+004 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 180930 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6304-00563-1 |
|
Gaia DR2 |
4082964278602508672 |
|
HD |
180930 |
|
ADS |
12293 |
|