18231-1701 HU 237 (HD 168971)
18h 23m 07.35s -17° 01' 02.7" P.A. 28.00 sep 0.5 mag 9.46,9.86 Sp A0III/IV
| Coord 2000 |
18231-1701 |
|
Discov num |
HU 237 |
|
Comp |
|
|
Coord arcsec 2000 |
18 23 07.35 -17 01 02.7 |
|
| Date first |
1900 |
|
Date last |
1991 |
|
Obs |
7 |
|
| Pa first |
24 |
|
Pa last |
28.3 |
|
P.A. Now (θ) |
28.3° |
|
| Sep first |
0.4 |
|
Sep last |
0.51 |
|
Sep. Now (ρ) |
0.51" |
|
| Mag pri |
9.46 |
|
Mag sec |
9.86 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
A0III/IV (white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 168971 |
|
Constellation |
Sagittarius |
|
SAO |
161410 |
|
Tycho2 |
6269-01299-1 |
|
| Gaia DR2 |
4096957964942936704 |
|
HD |
168971 |
|
ADS |
11295 |
|
