18131-0747 RST 4001
18h 13m 06.73s -07° 46' 48.2" P.A. 278.00 sep 1.9 mag 9.82,14.10 Sp G5
| Coord 2000 |
18131-0747 |
|
Discov num |
RST4001 |
|
Comp |
|
|
Coord arcsec 2000 |
18 13 06.73 -07 46 48.2 |
|
| Date first |
1938 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
269 |
|
Pa last |
278.1 |
|
P.A. Now (θ) |
278.1° |
|
| Sep first |
1.5 |
|
Sep last |
1.889 |
|
Sep. Now (ρ) |
1.889" |
|
| Mag pri |
9.82 |
|
Mag sec |
14.10 |
|
delta mag (ΔM) |
4.28 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-038 |
|
Sec motion ra |
|
|
| Pri motion dec |
-135 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Serpens |
|
SAO |
142157 |
|
Tycho2 |
5676-00100-1 |
|
Gaia DR2 |
4158982760205666816 |
|
| HD |
166919 |
|
