18186-1345 DCH 21 (HD 168112)
18h 18m 37.05s -13° 45' 28.6" P.A. 299.00 sep 0.1 mag 10.14,10.30 dist. 769.23 pc (2509.23 l.y.)
| Coord 2000 |
18186-1345 |
|
Discov num |
DCH 21 |
|
Comp |
|
|
Coord arcsec 2000 |
18 18 37.05 -13 45 28.6 |
|
| Date first |
1998 |
|
Date last |
1998 |
|
Obs |
1 |
|
| Pa first |
299 |
|
Pa last |
298.7 |
|
P.A. Now (θ) |
298.7° |
|
| Sep first |
0.1 |
|
Sep last |
0.139 |
|
Sep. Now (ρ) |
0.139" |
|
| Mag pri |
10.14 |
|
Mag sec |
10.30 |
|
delta mag (ΔM) |
0.16 |
|
Spectral class |
|
|
| Pri motion ra |
-013 |
|
Sec motion ra |
|
|
| Pri motion dec |
+025 |
|
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
| Name |
HD 168112 |
|
Constellation |
Serpens |
|
SAO |
161311 |
|
HIP |
89729 |
|
| Tycho2 |
5685-03744-1 |
|
Gaia DR2 |
4146612498467318400 |
|
HD |
168112 |
|
BD |
BD-12 4988 |
|
| Distance |
769.23 |
|
Distance ly |
2509.23 |
|
