18186-1341 DCH 20
18h 18m 33.73s -13° 40' 58.4" P.A. 228.00 sep 0.5 mag 8.92,11.45 Sp B0V
| Coord 2000 |
18186-1341 |
|
Discov num |
DCH 20 |
|
Comp |
|
|
Coord arcsec 2000 |
18 18 33.73 -13 40 58.4 |
|
| Date first |
1998 |
|
Date last |
1998 |
|
Obs |
1 |
|
| Pa first |
228 |
|
Pa last |
227.7 |
|
P.A. Now (θ) |
227.7° |
|
| Sep first |
0.5 |
|
Sep last |
0.543 |
|
Sep. Now (ρ) |
0.543" |
|
| Mag pri |
8.92 |
|
Mag sec |
11.45 |
|
delta mag (ΔM) |
2.53 |
|
Spectral class |
B0V (blue-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
|
|
| Notes |
K
(K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Serpens |
|
Gaia DR2 |
4146614319533501440 |
|