18092-0817 RST 3998 AB
18h 09m 09.30s -08° 16' 36.7" P.A. 161.00 sep 0.4 mag 10.50,10.50 Sp A0
| Coord 2000 |
18092-0817 |
|
Discov num |
RST3998 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 09 09.30 -08 16 36.7 |
|
| Date first |
1938 |
|
Date last |
2013 |
|
Obs |
9 |
|
| Pa first |
134 |
|
Pa last |
161.2 |
|
P.A. Now (θ) |
161.2° |
|
| Sep first |
0.3 |
|
Sep last |
0.365 |
|
Sep. Now (ρ) |
0.365" |
|
| Mag pri |
10.50 |
|
Mag sec |
10.50 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-014 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18092-0817 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
142120 |
18 09 09 -08 16 37 |
RST 3998 AB |
2013 |
9 |
161 |
0.4 |
10.50 |
10.50 |
0.00 |
|
<=== |
| Show |
HD 166050 |
142120 |
18 09 09 -08 16 37 |
B 2856 AB,C |
2018 |
11 |
123 |
11.9 |
9.76 |
11.60 |
1.84 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Serpens |
|
SAO |
142120 |
|
Tycho2 |
5676-00292-1 |
|
Gaia DR2 |
4158853911189506688 |
|
| HD |
166050 |
|
