18553-1738 HJ 2844 (HD 175278)
18h 55m 19.52s -17° 37' 51.4" P.A. 105.00 sep 23.7 mag 9.27,11.21 Sp B6V
| Coord 2000 |
18553-1738 |
|
Discov num |
HJ 2844 |
|
Comp |
|
|
Coord arcsec 2000 |
18 55 19.52 -17 37 51.4 |
|
| Date first |
1890 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
106 |
|
Pa last |
104.6 |
|
P.A. Now (θ) |
104.6° |
|
| Sep first |
23.2 |
|
Sep last |
23.657 |
|
Sep. Now (ρ) |
23.657" |
|
| Mag pri |
9.27 |
|
Mag sec |
11.21 |
|
delta mag (ΔM) |
1.94 |
|
Spectral class |
B6V (blue-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
+030 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
-028 |
|
| Notes |
|
|
rPM=1.103
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 175278 |
|
Constellation |
Sagittarius |
|
SAO |
161980 |
|
Tycho2 |
6285-03035-1 |
|
| Gaia DR2 |
4086959663363013376 |
|
HD |
175278 |
|
