17530-2803 RST 1997 A,BC (HD 316493)
17h 52m 58.88s -28° 03' 39.3" P.A. 203.00 sep 2.8 mag 11.33,11.40 Sp A2
| Coord 2000 |
17530-2803 |
|
Discov num |
RST1997 |
|
Comp |
A,BC |
|
Coord arcsec 2000 |
17 52 58.88 -28 03 39.3 |
|
| Date first |
1934 |
|
Date last |
1999 |
|
Obs |
3 |
|
| Pa first |
204 |
|
Pa last |
203.2 |
|
P.A. Now (θ) |
203.2° |
|
| Sep first |
2.7 |
|
Sep last |
2.787 |
|
Sep. Now (ρ) |
2.787" |
|
| Mag pri |
11.33 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.07 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+017 |
|
Sec motion ra |
+015 |
|
| Pri motion dec |
+025 |
|
Sec motion dec |
-019 |
|
| Notes |
|
|
rPM=1.457
This double is not physical.
17530-2803 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 316493 |
|
17 52 59 -28 03 39 |
RST 1997 A,BC |
1999 |
3 |
203 |
2.8 |
11.33 |
11.40 |
0.07 |
|
<=== |
| Show |
|
|
17 52 59 -28 03 43 |
RST 1997 BC |
1951 |
3 |
177 |
0.3 |
11.80 |
11.80 |
0.00 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 316493 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6849-00405-1 |
|
Gaia DR2 |
4063450180660851712 |
|
| HD |
316493 |
|
