18088+1015 ROE 98 AB
18h 08m 47.55s +10° 15' 08.3" P.A. 272.00 sep 4.7 mag 11.36,11.50
| Coord 2000 |
18088+1015 |
|
Discov num |
ROE 98 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 08 47.55 +10 15 08.3 |
|
| Date first |
1910 |
|
Date last |
2016 |
|
Obs |
16 |
|
| Pa first |
272 |
|
Pa last |
271.5 |
|
P.A. Now (θ) |
271.5° |
|
| Sep first |
5.1 |
|
Sep last |
4.72 |
|
Sep. Now (ρ) |
4.72" |
|
| Mag pri |
11.36 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
0.14 |
|
Spectral class |
|
|
| Pri motion ra |
+023 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18088+1015 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 08 48 +10 15 08 |
ROE 98 AB |
2016 |
16 |
272 |
4.7 |
11.36 |
11.50 |
0.14 |
|
<=== |
| Show |
|
|
18 08 48 +10 15 08 |
ROE 98 AC |
2016 |
6 |
261 |
30.7 |
11.36 |
13.92 |
2.56 |
|
|
| Show |
|
|
18 08 46 +10 15 04 |
ROE 98 CD |
2016 |
9 |
177 |
31.8 |
13.92 |
13.90 |
0.02 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
Tycho2 |
1013-00460-1 |
|
Gaia DR2 |
4482864899657232512 |
|
