18450+4239 HDS 2657
18h 45m 00.64s +42° 38' 37.5" P.A. 37.00 sep 0.2 mag 8.90,11.11 Sp K0 dist. 602.41 pc (1965.06 l.y.)
| Coord 2000 |
18450+4239 |
|
Discov num |
HDS2657 |
|
Comp |
|
|
Coord arcsec 2000 |
18 45 00.64 +42 38 37.5 |
|
| Date first |
1991 |
|
Date last |
2009 |
|
Obs |
3 |
|
| Pa first |
35 |
|
Pa last |
37.1 |
|
P.A. Now (θ) |
37.1° |
|
| Sep first |
0.2 |
|
Sep last |
0.21 |
|
Sep. Now (ρ) |
0.21" |
|
| Mag pri |
8.90 |
|
Mag sec |
11.11 |
|
delta mag (ΔM) |
2.21 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-009 |
|
Sec motion ra |
|
|
| Pri motion dec |
-018 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
HIP |
91994 |
|
Tycho2 |
3126-00537-1 |
|
Gaia DR2 |
2116742544137540608 |
|
| BD |
BD+42 3150 |
|
Distance |
602.41 |
|
Distance ly |
1965.06 |
|