18531-2745 I 1031 (HD 174742)
18h 53m 07.64s -27° 45' 23.3" P.A. 349.00 sep 0.4 mag 7.70,8.90 Sp A9V
| Coord 2000 |
18531-2745 |
|
Discov num |
I 1031 |
|
Comp |
|
|
Coord arcsec 2000 |
18 53 07.64 -27 45 23.3 |
|
| Date first |
1910 |
|
Date last |
2021 |
|
Obs |
15 |
|
| Pa first |
280 |
|
Pa last |
349.2 |
|
P.A. Now (θ) |
349.2° |
|
| Sep first |
0.5 |
|
Sep last |
0.38 |
|
Sep. Now (ρ) |
0.38" |
|
| Mag pri |
7.70 |
|
Mag sec |
8.90 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
A9V (white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
+025 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 174742 |
|
Constellation |
Sagittarius |
|
SAO |
187403 |
|
Tycho2 |
6868-01153-1 |
|
| Gaia DR2 |
4071963836574908800 |
|
HD |
174742 |
|
GC |
25890 |
|
ADS |
11774 |
|
