18174-0717 HJ 857
18h 17m 22.56s -07° 17' 11.0" P.A. 18.00 sep 21.3 mag 8.43,13.50 Sp A0 dist. 208.77 pc (681.01 l.y.)
| Coord 2000 |
18174-0717 |
|
Discov num |
HJ 857 |
|
Comp |
|
|
Coord arcsec 2000 |
18 17 22.56 -07 17 11.0 |
|
| Date first |
1827 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
23 |
|
Pa last |
18.4 |
|
P.A. Now (θ) |
18.4° |
|
| Sep first |
16.5 |
|
Sep last |
21.255 |
|
Sep. Now (ρ) |
21.255" |
|
| Mag pri |
8.43 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
5.07 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+016 |
|
Sec motion ra |
|
|
| Pri motion dec |
+001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Serpens |
|
SAO |
142193 |
|
HIP |
89619 |
|
Tycho2 |
5110-00146-1 |
|
| Gaia DR2 |
4160429953717220352 |
|
HD |
167832 |
|
BD |
BD-07 4582 |
|
Distance |
208.77 |
|
| Distance ly |
681.01 |
|
